import { useState, useEffect, useCallback } from 'react'
import {
  Settings, Bot, Wifi, MessageSquare, Database, Brain, Eye,
  Terminal, Cpu, Cloud, Radio, BookOpen, Layers, Activity,
  Thermometer, LayoutDashboard, Save, RotateCcw, RefreshCw,
  Plus, Trash2, ChevronDown, ChevronRight, AlertTriangle,
  Check, X, Eye as EyeIcon, EyeOff, ExternalLink, Bell, Send
} from 'lucide-react'

// Types for config sections
interface BotConfig {
  name: string
  owner: string
  respond_to_dms: boolean
  filter_bbs_protocols: boolean
}

interface ConnectionConfig {
  type: string
  serial_port: string
  tcp_host: string
  tcp_port: number
}

interface ResponseConfig {
  delay_min: number
  delay_max: number
  max_length: number
  max_messages: number
}

interface HistoryConfig {
  database: string
  max_messages_per_user: number
  conversation_timeout: number
  auto_cleanup: boolean
  cleanup_interval_hours: number
  max_age_days: number
}

interface MemoryConfig {
  enabled: boolean
  window_size: number
  summarize_threshold: number
}

interface ContextConfig {
  enabled: boolean
  observe_channels: number[]
  ignore_nodes: string[]
  max_age: number
  max_context_items: number
}

interface CommandsConfig {
  enabled: boolean
  prefix: string
  disabled_commands: string[]
  custom_commands: Record<string, string>
}

interface LLMConfig {
  backend: string
  api_key: string
  base_url: string
  model: string
  timeout: number
  max_response_tokens: number
  system_prompt: string
  use_system_prompt: boolean
  web_search: boolean
  google_grounding: boolean
}

interface WeatherConfig {
  primary: string
  fallback: string
  default_location: string
  openmeteo: { url: string }
  wttr: { url: string }
}

interface MeshMonitorConfig {
  enabled: boolean
  url: string
  inject_into_prompt: boolean
  refresh_interval: number
  polite_mode: boolean
}

interface KnowledgeConfig {
  enabled: boolean
  backend: string
  qdrant_host: string
  qdrant_port: number
  qdrant_collection: string
  tei_host: string
  tei_port: number
  sparse_host: string
  sparse_port: number
  use_sparse: boolean
  db_path: string
  top_k: number
}

interface MeshSourceConfig {
  name: string
  type: string
  url: string
  api_token: string
  refresh_interval: number
  polite_mode: boolean
  enabled: boolean
  host?: string
  port?: number
  username?: string
  password?: string
  topic_root?: string
  use_tls?: boolean
}

interface RegionAnchor {
  name: string
  lat: number
  lon: number
  local_name: string
  description: string
  aliases: string[]
  cities: string[]
}

interface AlertRulesConfig {
  infra_offline: boolean
  infra_recovery: boolean
  new_router: boolean
  battery_trend_declining: boolean
  battery_warning: boolean
  battery_critical: boolean
  battery_emergency: boolean
  battery_warning_threshold: number
  battery_critical_threshold: number
  battery_emergency_threshold: number
  power_source_change: boolean
  solar_not_charging: boolean
  sustained_high_util: boolean
  high_util_threshold: number
  high_util_hours: number
  packet_flood: boolean
  packet_flood_threshold: number
  infra_single_gateway: boolean
  feeder_offline: boolean
  region_total_blackout: boolean
  mesh_score_alert: boolean
  mesh_score_threshold: number
  region_score_alert: boolean
  region_score_threshold: number
}

interface MeshIntelligenceConfig {
  enabled: boolean
  regions: RegionAnchor[]
  locality_radius_miles: number
  offline_threshold_hours: number
  packet_threshold: number
  battery_warning_percent: number
  critical_nodes: string[]
  alert_channel: number
  alert_cooldown_minutes: number
  alert_rules: AlertRulesConfig
}

interface NWSConfig {
  enabled: boolean
  tick_seconds: number
  areas: string[]
  severity_min: string
  user_agent: string
}

interface EnvironmentalConfig {
  enabled: boolean
  nws_zones: string[]
  nws: NWSConfig
  swpc: { enabled: boolean }
  ducting: { enabled: boolean; tick_seconds: number; latitude: number; longitude: number }
  fires: { enabled: boolean; tick_seconds: number; state: string }
  avalanche: { enabled: boolean; tick_seconds: number; center_ids: string[]; season_months: number[] }
  usgs: { enabled: boolean; tick_seconds: number; sites: string[] }
  traffic: { enabled: boolean; tick_seconds: number; api_key: string; corridors: { name: string; lat: number; lon: number }[] }
  roads511: { enabled: boolean; tick_seconds: number; api_key: string; base_url: string; endpoints: string[]; bbox: number[] }
  firms: { enabled: boolean; tick_seconds: number; map_key: string; source: string; bbox: number[]; day_range: number; confidence_min: string; proximity_km: number }
}

interface DashboardConfig {
  enabled: boolean
  port: number
  host: string
}

interface NotificationChannelConfig {
  id: string
  type: string
  enabled: boolean
  channel_index: number
  node_ids: string[]
  smtp_host: string
  smtp_port: number
  smtp_user: string
  smtp_password: string
  smtp_tls: boolean
  from_address: string
  recipients: string[]
  url: string
  headers: Record<string, string>
}

interface NotificationRuleConfig {
  name: string
  categories: string[]
  min_severity: string
  channel_ids: string[]
  override_quiet: boolean
}

interface NotificationsConfig {
  enabled: boolean
  quiet_hours_start: string
  quiet_hours_end: string
  dedup_seconds: number
  channels: NotificationChannelConfig[]
  rules: NotificationRuleConfig[]
}

interface AlertCategory {
  id: string
  name: string
  description: string
  default_severity: string
}

interface FullConfig {
  bot: BotConfig
  connection: ConnectionConfig
  response: ResponseConfig
  history: HistoryConfig
  memory: MemoryConfig
  context: ContextConfig
  commands: CommandsConfig
  llm: LLMConfig
  weather: WeatherConfig
  meshmonitor: MeshMonitorConfig
  knowledge: KnowledgeConfig
  mesh_sources: MeshSourceConfig[]
  mesh_intelligence: MeshIntelligenceConfig
  environmental: EnvironmentalConfig
  dashboard: DashboardConfig
  notifications: NotificationsConfig
}

type SectionKey = keyof FullConfig

const SECTIONS: { key: SectionKey; label: string; icon: typeof Settings }[] = [
  { key: 'bot', label: 'Bot', icon: Bot },
  { key: 'connection', label: 'Connection', icon: Wifi },
  { key: 'response', label: 'Response', icon: MessageSquare },
  { key: 'history', label: 'History', icon: Database },
  { key: 'memory', label: 'Memory', icon: Brain },
  { key: 'context', label: 'Context', icon: Eye },
  { key: 'commands', label: 'Commands', icon: Terminal },
  { key: 'llm', label: 'LLM', icon: Cpu },
  { key: 'weather', label: 'Weather', icon: Cloud },
  { key: 'meshmonitor', label: 'MeshMonitor', icon: Radio },
  { key: 'knowledge', label: 'Knowledge', icon: BookOpen },
  { key: 'mesh_sources', label: 'Mesh Sources', icon: Layers },
  { key: 'mesh_intelligence', label: 'Intelligence', icon: Activity },
  { key: 'environmental', label: 'Environmental', icon: Thermometer },
  { key: 'notifications', label: 'Notifications', icon: Bell },
  { key: 'dashboard', label: 'Dashboard', icon: LayoutDashboard },
]

// Section descriptions
const SECTION_DESCRIPTIONS: Record<SectionKey, string> = {
  bot: 'Identity and behavior settings for the bot on the mesh network.',
  connection: 'How MeshAI connects to your Meshtastic radio.',
  response: 'Controls how quickly and how much the bot responds on the mesh.',
  history: 'Conversation history storage and cleanup.',
  memory: 'Short-term conversation memory management. Controls how the bot maintains context within a conversation.',
  context: 'Passive channel monitoring. The bot listens to mesh channels and uses recent messages as context when responding.',
  commands: 'Mesh commands available via the configured prefix. Toggle individual commands on or off.',
  llm: 'AI model configuration. MeshAI uses an LLM to understand questions and generate responses.',
  weather: 'Weather data for the !weather command. This is separate from NWS environmental alerts.',
  meshmonitor: 'AIDA MeshMonitor integration. An additional data source for mesh network monitoring.',
  knowledge: 'Knowledge base for answering questions from stored documents. Connects to Qdrant vector database or local SQLite.',
  mesh_sources: 'Data sources for mesh network information. MeshAI can pull data from multiple sources simultaneously and merge them into a unified view.',
  mesh_intelligence: 'Advanced mesh analysis: health scoring, region management, and automated alerting. The intelligence engine monitors your mesh and detects problems automatically.',
  environmental: 'Live environmental data feeds for situational awareness. Each feed polls a public or authenticated API for real-time conditions affecting your area.',
  notifications: 'Alert delivery system. Configure where alerts get sent (mesh, email, webhooks) and which conditions trigger them.',
  dashboard: "Web dashboard settings. You're looking at it right now.",
}

// Available commands with descriptions
const AVAILABLE_COMMANDS = [
  { name: 'help', description: 'Show available commands and usage' },
  { name: 'health', description: 'Mesh network health overview with status dots' },
  { name: 'status', description: 'Quick mesh status summary' },
  { name: 'region', description: 'List regions or get detailed region breakdown' },
  { name: 'neighbors', description: 'Show top infrastructure neighbors with signal quality' },
  { name: 'ping', description: 'Test bot responsiveness' },
  { name: 'clear', description: 'Clear your conversation history' },
  { name: 'reset', description: 'Reset conversation context' },
  { name: 'sub', description: 'Subscribe to scheduled reports or alerts' },
  { name: 'unsub', description: 'Remove a subscription' },
  { name: 'mysubs', description: 'List your active subscriptions' },
  { name: 'alerts', description: 'Active NWS weather alerts for mesh area' },
  { name: 'solar', description: 'Space weather and HF propagation conditions' },
  { name: 'hf', description: 'HF radio propagation (alias for !solar)' },
  { name: 'fire', description: 'Active wildfires near the mesh' },
  { name: 'avy', description: 'Avalanche advisories for configured zones' },
  { name: 'hotspots', description: 'NASA FIRMS satellite fire detections' },
  { name: 'streams', description: 'USGS stream gauge readings' },
  { name: 'roads', description: 'Road conditions and closures' },
  { name: 'traffic', description: 'Traffic flow on monitored corridors' },
]

// US States for dropdown
const US_STATES = [
  { value: 'US-AL', label: 'Alabama' }, { value: 'US-AK', label: 'Alaska' },
  { value: 'US-AZ', label: 'Arizona' }, { value: 'US-AR', label: 'Arkansas' },
  { value: 'US-CA', label: 'California' }, { value: 'US-CO', label: 'Colorado' },
  { value: 'US-CT', label: 'Connecticut' }, { value: 'US-DE', label: 'Delaware' },
  { value: 'US-FL', label: 'Florida' }, { value: 'US-GA', label: 'Georgia' },
  { value: 'US-HI', label: 'Hawaii' }, { value: 'US-ID', label: 'Idaho' },
  { value: 'US-IL', label: 'Illinois' }, { value: 'US-IN', label: 'Indiana' },
  { value: 'US-IA', label: 'Iowa' }, { value: 'US-KS', label: 'Kansas' },
  { value: 'US-KY', label: 'Kentucky' }, { value: 'US-LA', label: 'Louisiana' },
  { value: 'US-ME', label: 'Maine' }, { value: 'US-MD', label: 'Maryland' },
  { value: 'US-MA', label: 'Massachusetts' }, { value: 'US-MI', label: 'Michigan' },
  { value: 'US-MN', label: 'Minnesota' }, { value: 'US-MS', label: 'Mississippi' },
  { value: 'US-MO', label: 'Missouri' }, { value: 'US-MT', label: 'Montana' },
  { value: 'US-NE', label: 'Nebraska' }, { value: 'US-NV', label: 'Nevada' },
  { value: 'US-NH', label: 'New Hampshire' }, { value: 'US-NJ', label: 'New Jersey' },
  { value: 'US-NM', label: 'New Mexico' }, { value: 'US-NY', label: 'New York' },
  { value: 'US-NC', label: 'North Carolina' }, { value: 'US-ND', label: 'North Dakota' },
  { value: 'US-OH', label: 'Ohio' }, { value: 'US-OK', label: 'Oklahoma' },
  { value: 'US-OR', label: 'Oregon' }, { value: 'US-PA', label: 'Pennsylvania' },
  { value: 'US-RI', label: 'Rhode Island' }, { value: 'US-SC', label: 'South Carolina' },
  { value: 'US-SD', label: 'South Dakota' }, { value: 'US-TN', label: 'Tennessee' },
  { value: 'US-TX', label: 'Texas' }, { value: 'US-UT', label: 'Utah' },
  { value: 'US-VT', label: 'Vermont' }, { value: 'US-VA', label: 'Virginia' },
  { value: 'US-WA', label: 'Washington' }, { value: 'US-WV', label: 'West Virginia' },
  { value: 'US-WI', label: 'Wisconsin' }, { value: 'US-WY', label: 'Wyoming' },
]

// InfoButton component
function InfoButton({ info, link, linkText = 'Learn more' }: { info: string; link?: string; linkText?: string }) {
  const [open, setOpen] = useState(false)

  return (
    <div className="relative inline-block">
      <button
        type="button"
        onClick={(e) => { e.stopPropagation(); setOpen(!open) }}
        className="ml-1.5 w-4 h-4 rounded-full bg-slate-700 hover:bg-slate-600 text-slate-400 hover:text-slate-200 inline-flex items-center justify-center text-xs transition-colors"
        title="More info"
      >
        ?
      </button>
      {open && (
        <>
          <div className="fixed inset-0 z-40" onClick={() => setOpen(false)} />
          <div className="absolute left-0 top-6 z-50 w-72 p-3 bg-[#1a2332] border border-[#2a3a4a] rounded-lg shadow-xl text-xs text-slate-300 leading-relaxed">
            {info}
            {link && (
              <a
                href={link}
                target="_blank"
                rel="noopener noreferrer"
                className="mt-2 flex items-center gap-1 text-accent hover:underline"
                onClick={(e) => e.stopPropagation()}
              >
                {linkText} <ExternalLink size={10} />
              </a>
            )}
          </div>
        </>
      )}
    </div>
  )
}

// Section description component
function SectionDescription({ text }: { text: string }) {
  return (
    <p className="text-sm text-slate-500 mb-6 pb-4 border-b border-[#1e2a3a]">{text}</p>
  )
}

// Form components
function TextInput({ label, value, onChange, type = 'text', placeholder = '', helper = '', info = '', infoLink = '' }: {
  label: string
  value: string
  onChange: (v: string) => void
  type?: string
  placeholder?: string
  helper?: string
  info?: string
  infoLink?: string
}) {
  const [showPassword, setShowPassword] = useState(false)
  const isPassword = type === 'password'

  return (
    <div className="space-y-1">
      <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
        {label}
        {info && <InfoButton info={info} link={infoLink} />}
      </label>
      <div className="relative">
        <input
          type={isPassword && !showPassword ? 'password' : 'text'}
          value={value}
          onChange={(e) => onChange(e.target.value)}
          placeholder={placeholder}
          className="w-full px-3 py-2 bg-[#0a0e17] border border-[#1e2a3a] rounded text-sm text-slate-200 font-mono focus:outline-none focus:border-accent placeholder-slate-600"
        />
        {isPassword && (
          <button
            type="button"
            onClick={() => setShowPassword(!showPassword)}
            className="absolute right-2 top-1/2 -translate-y-1/2 text-slate-500 hover:text-slate-300"
          >
            {showPassword ? <EyeOff size={16} /> : <EyeIcon size={16} />}
          </button>
        )}
      </div>
      {helper && <p className="text-xs text-slate-600">{helper}</p>}
    </div>
  )
}

function NumberInput({ label, value, onChange, min, max, step = 1, helper = '', info = '', infoLink = '' }: {
  label: string
  value: number
  onChange: (v: number) => void
  min?: number
  max?: number
  step?: number
  helper?: string
  info?: string
  infoLink?: string
}) {
  return (
    <div className="space-y-1">
      <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
        {label}
        {info && <InfoButton info={info} link={infoLink} />}
      </label>
      <input
        type="number"
        value={value}
        onChange={(e) => onChange(Number(e.target.value))}
        min={min}
        max={max}
        step={step}
        className="w-full px-3 py-2 bg-[#0a0e17] border border-[#1e2a3a] rounded text-sm text-slate-200 font-mono focus:outline-none focus:border-accent"
      />
      {helper && <p className="text-xs text-slate-600">{helper}</p>}
    </div>
  )
}

function Toggle({ label, checked, onChange, helper = '', info = '', infoLink = '' }: {
  label: string
  checked: boolean
  onChange: (v: boolean) => void
  helper?: string
  info?: string
  infoLink?: string
}) {
  return (
    <div className="flex items-center justify-between py-2">
      <div>
        <span className="flex items-center text-sm text-slate-300">
          {label}
          {info && <InfoButton info={info} link={infoLink} />}
        </span>
        {helper && <p className="text-xs text-slate-600">{helper}</p>}
      </div>
      <button
        type="button"
        onClick={() => onChange(!checked)}
        className={`relative w-11 h-6 rounded-full transition-colors ${
          checked ? 'bg-accent' : 'bg-[#1e2a3a]'
        }`}
      >
        <span
          className={`absolute top-1 left-1 w-4 h-4 rounded-full bg-white transition-transform ${
            checked ? 'translate-x-5' : ''
          }`}
        />
      </button>
    </div>
  )
}

function SelectInput({ label, value, onChange, options, helper = '', info = '', infoLink = '' }: {
  label: string
  value: string
  onChange: (v: string) => void
  options: { value: string; label: string }[]
  helper?: string
  info?: string
  infoLink?: string
}) {
  return (
    <div className="space-y-1">
      <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
        {label}
        {info && <InfoButton info={info} link={infoLink} />}
      </label>
      <select
        value={value}
        onChange={(e) => onChange(e.target.value)}
        className="w-full px-3 py-2 bg-[#0a0e17] border border-[#1e2a3a] rounded text-sm text-slate-200 focus:outline-none focus:border-accent"
      >
        {options.map((opt) => (
          <option key={opt.value} value={opt.value}>{opt.label}</option>
        ))}
      </select>
      {helper && <p className="text-xs text-slate-600">{helper}</p>}
    </div>
  )
}

function TextArea({ label, value, onChange, rows = 4, helper = '', info = '', infoLink = '' }: {
  label: string
  value: string
  onChange: (v: string) => void
  rows?: number
  helper?: string
  info?: string
  infoLink?: string
}) {
  return (
    <div className="space-y-1">
      <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
        {label}
        {info && <InfoButton info={info} link={infoLink} />}
      </label>
      <textarea
        value={value}
        onChange={(e) => onChange(e.target.value)}
        rows={rows}
        className="w-full px-3 py-2 bg-[#0a0e17] border border-[#1e2a3a] rounded text-sm text-slate-200 font-mono focus:outline-none focus:border-accent resize-y"
      />
      {helper && <p className="text-xs text-slate-600">{helper}</p>}
    </div>
  )
}

function ListInput({ label, value, onChange, helper = '', info = '', infoLink = '' }: {
  label: string
  value: string[]
  onChange: (v: string[]) => void
  helper?: string
  info?: string
  infoLink?: string
}) {
  const [text, setText] = useState(value.join(', '))

  useEffect(() => {
    setText(value.join(', '))
  }, [value])

  const handleBlur = () => {
    const items = text.split(',').map(s => s.trim()).filter(Boolean)
    onChange(items)
  }

  return (
    <div className="space-y-1">
      <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
        {label}
        {info && <InfoButton info={info} link={infoLink} />}
      </label>
      <input
        type="text"
        value={text}
        onChange={(e) => setText(e.target.value)}
        onBlur={handleBlur}
        placeholder="item1, item2, item3"
        className="w-full px-3 py-2 bg-[#0a0e17] border border-[#1e2a3a] rounded text-sm text-slate-200 font-mono focus:outline-none focus:border-accent placeholder-slate-600"
      />
      {helper && <p className="text-xs text-slate-600">{helper}</p>}
    </div>
  )
}

function NumberListInput({ label, value, onChange, helper = '', info = '', infoLink = '' }: {
  label: string
  value: number[]
  onChange: (v: number[]) => void
  helper?: string
  info?: string
  infoLink?: string
}) {
  const [text, setText] = useState(value.join(', '))

  useEffect(() => {
    setText(value.join(', '))
  }, [value])

  const handleBlur = () => {
    const items = text.split(',').map(s => parseInt(s.trim(), 10)).filter(n => !isNaN(n))
    onChange(items)
  }

  return (
    <div className="space-y-1">
      <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
        {label}
        {info && <InfoButton info={info} link={infoLink} />}
      </label>
      <input
        type="text"
        value={text}
        onChange={(e) => setText(e.target.value)}
        onBlur={handleBlur}
        placeholder="0, 1, 2"
        className="w-full px-3 py-2 bg-[#0a0e17] border border-[#1e2a3a] rounded text-sm text-slate-200 font-mono focus:outline-none focus:border-accent placeholder-slate-600"
      />
      {helper && <p className="text-xs text-slate-600">{helper}</p>}
    </div>
  )
}

// Alert rule with description component
function AlertRuleToggle({ label, description, checked, onChange, threshold, onThresholdChange, thresholdLabel, thresholdMin, thresholdMax, thresholdStep = 1, thresholdSuffix = '' }: {
  label: string
  description: string
  checked: boolean
  onChange: (v: boolean) => void
  threshold?: number
  onThresholdChange?: (v: number) => void
  thresholdLabel?: string
  thresholdMin?: number
  thresholdMax?: number
  thresholdStep?: number
  thresholdSuffix?: string
}) {
  return (
    <div className="border border-[#1e2a3a] rounded-lg p-3 space-y-2">
      <div className="flex items-center justify-between">
        <div className="flex-1">
          <span className="text-sm text-slate-300">{label}</span>
          <p className="text-xs text-slate-600">{description}</p>
        </div>
        <button
          type="button"
          onClick={() => onChange(!checked)}
          className={`relative w-11 h-6 rounded-full transition-colors flex-shrink-0 ml-3 ${
            checked ? 'bg-accent' : 'bg-[#1e2a3a]'
          }`}
        >
          <span
            className={`absolute top-1 left-1 w-4 h-4 rounded-full bg-white transition-transform ${
              checked ? 'translate-x-5' : ''
            }`}
          />
        </button>
      </div>
      {checked && threshold !== undefined && onThresholdChange && (
        <div className="flex items-center gap-2 pt-2 border-t border-[#1e2a3a]">
          <span className="text-xs text-slate-500">{thresholdLabel || 'Threshold'}:</span>
          <input
            type="number"
            value={threshold}
            onChange={(e) => onThresholdChange(Number(e.target.value))}
            min={thresholdMin}
            max={thresholdMax}
            step={thresholdStep}
            className="w-20 px-2 py-1 bg-[#0a0e17] border border-[#1e2a3a] rounded text-xs text-slate-200 font-mono"
          />
          {thresholdSuffix && <span className="text-xs text-slate-500">{thresholdSuffix}</span>}
        </div>
      )}
    </div>
  )
}

// Section renderers
function BotSection({ data, onChange }: { data: BotConfig; onChange: (d: BotConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.bot} />
      <div className="grid grid-cols-2 gap-4">
        <TextInput
          label="Bot Name"
          value={data.name}
          onChange={(v) => onChange({ ...data, name: v })}
          helper="Name the bot responds to on the mesh"
          info="When someone sends a message containing this name, the bot will respond. Also used as the sender name in broadcasts. Changing this requires a restart."
        />
        <TextInput
          label="Owner"
          value={data.owner}
          onChange={(v) => onChange({ ...data, owner: v })}
          helper="Your callsign or identifier"
          info="Identifies the bot operator. Shown in !help responses and used for admin-level commands."
        />
      </div>
      <Toggle
        label="Respond to DMs"
        checked={data.respond_to_dms}
        onChange={(v) => onChange({ ...data, respond_to_dms: v })}
        helper="Reply when someone sends a direct message"
        info="When enabled, the bot responds to direct messages from any node. When disabled, the bot only responds to channel messages that mention its name."
      />
      <Toggle
        label="Filter BBS Protocols"
        checked={data.filter_bbs_protocols}
        onChange={(v) => onChange({ ...data, filter_bbs_protocols: v })}
        helper="Ignore BBS bulletin board traffic"
        info="Filters out automated BBS protocol messages (advBBS, MAIL*, BOARD*) so the bot doesn't try to respond to machine-to-machine traffic."
      />
    </div>
  )
}

function ConnectionSection({ data, onChange }: { data: ConnectionConfig; onChange: (d: ConnectionConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.connection} />
      <SelectInput
        label="Connection Type"
        value={data.type}
        onChange={(v) => onChange({ ...data, type: v })}
        options={[
          { value: 'serial', label: 'Serial (USB)' },
          { value: 'tcp', label: 'TCP (Network)' },
        ]}
        helper="Serial for USB-connected radios, TCP for network or meshtasticd"
        info="Serial: direct USB connection to a Meshtastic radio. TCP: connect over the network to a radio's IP or to meshtasticd running on another machine."
      />
      {data.type === 'serial' ? (
        <TextInput
          label="Serial Port"
          value={data.serial_port}
          onChange={(v) => onChange({ ...data, serial_port: v })}
          placeholder="/dev/ttyUSB0"
          helper="Device path for your USB radio"
          info="Usually /dev/ttyUSB0 on Linux or /dev/ttyACM0. Check with 'ls /dev/tty*' after plugging in your radio."
        />
      ) : (
        <div className="grid grid-cols-2 gap-4">
          <TextInput
            label="TCP Host"
            value={data.tcp_host}
            onChange={(v) => onChange({ ...data, tcp_host: v })}
            placeholder="192.168.1.100"
            helper="IP address or hostname of the radio/meshtasticd"
          />
          <NumberInput
            label="TCP Port"
            value={data.tcp_port}
            onChange={(v) => onChange({ ...data, tcp_port: v })}
            min={1}
            max={65535}
            helper="Default 4403 for meshtasticd"
          />
        </div>
      )}
    </div>
  )
}

function ResponseSection({ data, onChange }: { data: ResponseConfig; onChange: (d: ResponseConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.response} />
      <div className="grid grid-cols-2 gap-4">
        <NumberInput
          label="Delay Min (sec)"
          value={data.delay_min}
          onChange={(v) => onChange({ ...data, delay_min: v })}
          min={0}
          step={0.1}
          helper="Minimum wait before responding"
          info="Adds a random delay between min and max before the bot sends a response. Prevents the bot from appearing to respond instantly, which can feel unnatural on a radio network."
        />
        <NumberInput
          label="Delay Max (sec)"
          value={data.delay_max}
          onChange={(v) => onChange({ ...data, delay_max: v })}
          min={0}
          step={0.1}
          helper="Maximum wait before responding"
          info="Also prevents collisions with other traffic by staggering transmissions."
        />
      </div>
      <div className="grid grid-cols-2 gap-4">
        <NumberInput
          label="Max Length"
          value={data.max_length}
          onChange={(v) => onChange({ ...data, max_length: v })}
          min={50}
          max={500}
          helper="Maximum characters per response message"
          info="Meshtastic packets have limited size. This caps how long each message chunk can be. The bot will split longer responses into multiple messages up to Max Messages."
        />
        <NumberInput
          label="Max Messages"
          value={data.max_messages}
          onChange={(v) => onChange({ ...data, max_messages: v })}
          min={1}
          max={10}
          helper="Maximum chunks per response"
          info="If a response is longer than Max Length, the bot splits it into this many chunks at most. Higher values = more complete answers but more airtime used."
        />
      </div>
    </div>
  )
}

function HistorySection({ data, onChange }: { data: HistoryConfig; onChange: (d: HistoryConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.history} />
      <TextInput
        label="Database Path"
        value={data.database}
        onChange={(v) => onChange({ ...data, database: v })}
        helper="SQLite file for storing conversation history"
        info="Path to the SQLite database file. Created automatically if it doesn't exist. Stores all conversation history for context."
      />
      <div className="grid grid-cols-2 gap-4">
        <NumberInput
          label="Max Messages Per User"
          value={data.max_messages_per_user}
          onChange={(v) => onChange({ ...data, max_messages_per_user: v })}
          min={0}
          helper="History limit per user (0 = unlimited)"
          info="Limits how many messages are stored per user. Older messages are pruned when the limit is reached. Set to 0 for no limit."
        />
        <NumberInput
          label="Conversation Timeout (sec)"
          value={data.conversation_timeout}
          onChange={(v) => onChange({ ...data, conversation_timeout: v })}
          min={0}
          helper="Seconds before context resets"
          info="If a user doesn't message for this long, their next message starts a new conversation context. The bot won't remember the previous topic."
        />
      </div>
      <Toggle
        label="Auto Cleanup"
        checked={data.auto_cleanup}
        onChange={(v) => onChange({ ...data, auto_cleanup: v })}
        helper="Automatically prune old conversations"
      />
      {data.auto_cleanup && (
        <div className="grid grid-cols-2 gap-4">
          <NumberInput
            label="Cleanup Interval (hours)"
            value={data.cleanup_interval_hours}
            onChange={(v) => onChange({ ...data, cleanup_interval_hours: v })}
            min={1}
            helper="Hours between cleanup runs"
          />
          <NumberInput
            label="Max Age (days)"
            value={data.max_age_days}
            onChange={(v) => onChange({ ...data, max_age_days: v })}
            min={1}
            helper="Delete conversations older than this"
          />
        </div>
      )}
    </div>
  )
}

function MemorySection({ data, onChange }: { data: MemoryConfig; onChange: (d: MemoryConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.memory} />
      <Toggle
        label="Enable Memory"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Keep conversation context between messages"
      />
      {data.enabled && (
        <div className="grid grid-cols-2 gap-4">
          <NumberInput
            label="Window Size"
            value={data.window_size}
            onChange={(v) => onChange({ ...data, window_size: v })}
            min={1}
            helper="Recent message pairs kept in full"
            info="The bot keeps this many recent exchanges (user message + bot response pairs) as full text in context. Older messages are summarized to save token space."
          />
          <NumberInput
            label="Summarize Threshold"
            value={data.summarize_threshold}
            onChange={(v) => onChange({ ...data, summarize_threshold: v })}
            min={1}
            helper="Messages before older context is summarized"
            info="When the conversation exceeds this many messages, older ones outside the window are compressed into a summary by the LLM."
          />
        </div>
      )}
    </div>
  )
}

function ContextSection({ data, onChange }: { data: ContextConfig; onChange: (d: ContextConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.context} />
      <Toggle
        label="Enable Passive Context"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Listen to channel traffic for context"
        info="When enabled, the bot monitors mesh channels and includes recent messages in its context. This lets the bot reference things other people said on the channel."
      />
      {data.enabled && (
        <>
          <NumberListInput
            label="Observe Channels"
            value={data.observe_channels}
            onChange={(v) => onChange({ ...data, observe_channels: v })}
            helper="Channel indexes to monitor (empty = all)"
            info="Meshtastic channel numbers to listen on. Channel 0 is the default primary channel. Leave empty to monitor all channels."
          />
          <ListInput
            label="Ignore Nodes"
            value={data.ignore_nodes}
            onChange={(v) => onChange({ ...data, ignore_nodes: v })}
            helper="Node IDs to exclude from context"
            info="Messages from these nodes won't be included in passive context. Useful for filtering out noisy automated nodes."
          />
          <div className="grid grid-cols-2 gap-4">
            <NumberInput
              label="Max Age (sec)"
              value={data.max_age}
              onChange={(v) => onChange({ ...data, max_age: v })}
              min={0}
              helper="Ignore messages older than this"
            />
            <NumberInput
              label="Max Context Items"
              value={data.max_context_items}
              onChange={(v) => onChange({ ...data, max_context_items: v })}
              min={1}
              helper="Maximum recent messages to include"
            />
          </div>
        </>
      )}
    </div>
  )
}

function CommandsSection({ data, onChange }: { data: CommandsConfig; onChange: (d: CommandsConfig) => void }) {
  const disabledSet = new Set(data.disabled_commands.map(c => c.toLowerCase()))

  const toggleCommand = (cmdName: string) => {
    const lowerName = cmdName.toLowerCase()
    if (disabledSet.has(lowerName)) {
      onChange({ ...data, disabled_commands: data.disabled_commands.filter(c => c.toLowerCase() !== lowerName) })
    } else {
      onChange({ ...data, disabled_commands: [...data.disabled_commands, cmdName] })
    }
  }

  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.commands} />
      <Toggle
        label="Enable Commands"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Allow !commands on the mesh"
      />
      {data.enabled && (
        <>
          <TextInput
            label="Command Prefix"
            value={data.prefix}
            onChange={(v) => onChange({ ...data, prefix: v })}
            helper="Character that triggers commands (e.g. ! for !help)"
            info="Users type this character followed by the command name. Only single characters recommended."
          />

          <div className="space-y-2">
            <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
              Available Commands
              <InfoButton info="Toggle commands on or off. Disabled commands won't respond when users invoke them." />
            </label>
            <div className="grid gap-1">
              {AVAILABLE_COMMANDS.map((cmd) => {
                const isEnabled = !disabledSet.has(cmd.name.toLowerCase())
                return (
                  <div
                    key={cmd.name}
                    className="flex items-center justify-between p-2 bg-[#0a0e17] border border-[#1e2a3a] rounded hover:border-[#2a3a4a] transition-colors"
                  >
                    <div className="flex items-center gap-3">
                      <code className="text-accent text-sm">!{cmd.name}</code>
                      <span className="text-xs text-slate-500">{cmd.description}</span>
                    </div>
                    <button
                      type="button"
                      onClick={() => toggleCommand(cmd.name)}
                      className={`relative w-9 h-5 rounded-full transition-colors ${
                        isEnabled ? 'bg-accent' : 'bg-[#1e2a3a]'
                      }`}
                    >
                      <span
                        className={`absolute top-0.5 left-0.5 w-4 h-4 rounded-full bg-white transition-transform ${
                          isEnabled ? 'translate-x-4' : ''
                        }`}
                      />
                    </button>
                  </div>
                )
              })}
            </div>
          </div>
        </>
      )}
    </div>
  )
}

function LLMSection({ data, onChange }: { data: LLMConfig; onChange: (d: LLMConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.llm} />
      <div className="grid grid-cols-2 gap-4">
        <SelectInput
          label="Backend"
          value={data.backend}
          onChange={(v) => onChange({ ...data, backend: v })}
          options={[
            { value: 'openai', label: 'OpenAI' },
            { value: 'anthropic', label: 'Anthropic' },
            { value: 'google', label: 'Google (Gemini)' },
          ]}
          helper="LLM provider to use"
          info="OpenAI: GPT models (gpt-4o, gpt-4o-mini). Anthropic: Claude models (claude-sonnet-4-20250514). Google: Gemini models. Can also point to compatible APIs like Ollama, LM Studio, or Open WebUI by changing the Base URL."
        />
        <TextInput
          label="Model"
          value={data.model}
          onChange={(v) => onChange({ ...data, model: v })}
          placeholder="gpt-4o-mini"
          helper="Specific model name"
          info="The specific model to use. Common choices: gpt-4o-mini (fast, cheap), gpt-4o (better, costs more), claude-sonnet-4-20250514 (Anthropic equivalent). For local models via Ollama, use the model name you pulled (e.g. llama3.1)."
        />
      </div>
      <TextInput
        label="API Key"
        value={data.api_key}
        onChange={(v) => onChange({ ...data, api_key: v })}
        type="password"
        helper="Supports ${ENV_VAR} syntax"
        info="Your API key from the provider. You can also use ${ENV_VAR} syntax to read from an environment variable instead of storing the key in the config file."
      />
      <TextInput
        label="Base URL"
        value={data.base_url}
        onChange={(v) => onChange({ ...data, base_url: v })}
        placeholder="https://api.openai.com/v1"
        helper="API endpoint (change for local LLMs)"
        info="Default API endpoint for the selected backend. Change this to point to a local LLM server (Ollama at http://localhost:11434/v1, Open WebUI, LM Studio, etc.) or a proxy."
      />
      <div className="grid grid-cols-2 gap-4">
        <NumberInput
          label="Timeout (sec)"
          value={data.timeout}
          onChange={(v) => onChange({ ...data, timeout: v })}
          min={5}
          max={120}
          helper="Maximum seconds to wait for response"
        />
        <NumberInput
          label="Max Response Tokens"
          value={data.max_response_tokens}
          onChange={(v) => onChange({ ...data, max_response_tokens: v })}
          min={100}
          helper="Token limit for LLM responses"
        />
      </div>
      <Toggle
        label="Use System Prompt"
        checked={data.use_system_prompt}
        onChange={(v) => onChange({ ...data, use_system_prompt: v })}
        helper="Enable custom system instructions"
      />
      {data.use_system_prompt && (
        <TextArea
          label="System Prompt"
          value={data.system_prompt}
          onChange={(v) => onChange({ ...data, system_prompt: v })}
          rows={6}
          helper="Instructions that shape the bot's personality"
          info="Instructions that shape the bot's personality and behavior. The bot always follows these instructions. MeshAI adds mesh health data and environmental context automatically — you don't need to include those here."
        />
      )}
      <Toggle
        label="Web Search"
        checked={data.web_search}
        onChange={(v) => onChange({ ...data, web_search: v })}
        helper="Enable web search tool (Open WebUI feature)"
      />
      <Toggle
        label="Google Grounding"
        checked={data.google_grounding}
        onChange={(v) => onChange({ ...data, google_grounding: v })}
        helper="Ground responses in web search (Gemini only)"
      />
    </div>
  )
}

function WeatherSection({ data, onChange }: { data: WeatherConfig; onChange: (d: WeatherConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.weather} />
      <div className="grid grid-cols-2 gap-4">
        <SelectInput
          label="Primary Provider"
          value={data.primary}
          onChange={(v) => onChange({ ...data, primary: v })}
          options={[
            { value: 'openmeteo', label: 'Open-Meteo' },
            { value: 'wttr', label: 'wttr.in' },
            { value: 'llm', label: 'LLM' },
          ]}
          helper="Main weather data source"
        />
        <SelectInput
          label="Fallback Provider"
          value={data.fallback}
          onChange={(v) => onChange({ ...data, fallback: v })}
          options={[
            { value: 'openmeteo', label: 'Open-Meteo' },
            { value: 'wttr', label: 'wttr.in' },
            { value: 'llm', label: 'LLM' },
            { value: 'none', label: 'None' },
          ]}
          helper="Backup if primary fails"
        />
      </div>
      <TextInput
        label="Default Location"
        value={data.default_location}
        onChange={(v) => onChange({ ...data, default_location: v })}
        placeholder="Your city, state"
        helper="Location when none specified"
      />
    </div>
  )
}

function MeshMonitorSection({ data, onChange }: { data: MeshMonitorConfig; onChange: (d: MeshMonitorConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.meshmonitor} />
      <Toggle
        label="Enable MeshMonitor"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Connect to AIDA MeshMonitor instance"
        info="MeshMonitor by Yeraze provides node data, battery info, telemetry, and auto-responder patterns. MeshAI uses this as a data source and avoids duplicate responses."
      />
      {data.enabled && (
        <>
          <TextInput
            label="URL"
            value={data.url}
            onChange={(v) => onChange({ ...data, url: v })}
            placeholder="http://192.168.1.100:8080"
            helper="MeshMonitor API endpoint"
            info="Full URL to your MeshMonitor instance. Usually runs on port 8080."
          />
          <Toggle
            label="Inject Into Prompt"
            checked={data.inject_into_prompt}
            onChange={(v) => onChange({ ...data, inject_into_prompt: v })}
            helper="Tell LLM about MeshMonitor commands"
            info="Adds MeshMonitor's auto-responder patterns to the LLM context so it knows what commands MeshMonitor handles."
          />
          <NumberInput
            label="Refresh Interval (sec)"
            value={data.refresh_interval}
            onChange={(v) => onChange({ ...data, refresh_interval: v })}
            min={10}
            helper="How often to fetch patterns"
          />
          <Toggle
            label="Polite Mode"
            checked={data.polite_mode}
            onChange={(v) => onChange({ ...data, polite_mode: v })}
            helper="Reduce polling frequency"
            info="Reduces polling frequency for shared instances to be a good neighbor."
          />
        </>
      )}
    </div>
  )
}

function KnowledgeSection({ data, onChange }: { data: KnowledgeConfig; onChange: (d: KnowledgeConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.knowledge} />
      <Toggle
        label="Enable Knowledge Base"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Answer questions from stored documents"
        info="Uses RAG (Retrieval-Augmented Generation) to answer questions from a knowledge base. Supports Qdrant vector database or local SQLite with FTS5."
      />
      {data.enabled && (
        <>
          <SelectInput
            label="Backend"
            value={data.backend}
            onChange={(v) => onChange({ ...data, backend: v })}
            options={[
              { value: 'auto', label: 'Auto (Qdrant -> SQLite)' },
              { value: 'qdrant', label: 'Qdrant' },
              { value: 'sqlite', label: 'SQLite' },
            ]}
            helper="Knowledge storage backend"
            info="Auto tries Qdrant first, falls back to SQLite. Qdrant provides hybrid search with dense+sparse embeddings. SQLite uses FTS5 keyword search."
          />
          {(data.backend === 'qdrant' || data.backend === 'auto') && (
            <>
              <div className="grid grid-cols-2 gap-4">
                <TextInput
                  label="Qdrant Host"
                  value={data.qdrant_host}
                  onChange={(v) => onChange({ ...data, qdrant_host: v })}
                  helper="Qdrant server hostname"
                  info="IP or hostname of your Qdrant vector database server."
                />
                <NumberInput
                  label="Qdrant Port"
                  value={data.qdrant_port}
                  onChange={(v) => onChange({ ...data, qdrant_port: v })}
                  helper="Default 6333"
                />
              </div>
              <TextInput
                label="Collection"
                value={data.qdrant_collection}
                onChange={(v) => onChange({ ...data, qdrant_collection: v })}
                helper="Qdrant collection name"
              />
              <div className="grid grid-cols-2 gap-4">
                <TextInput
                  label="TEI Host"
                  value={data.tei_host}
                  onChange={(v) => onChange({ ...data, tei_host: v })}
                  helper="Text Embeddings Inference host"
                  info="TEI service for generating dense embeddings. Uses BAAI/bge-m3 model."
                />
                <NumberInput
                  label="TEI Port"
                  value={data.tei_port}
                  onChange={(v) => onChange({ ...data, tei_port: v })}
                  helper="Default 8090"
                />
              </div>
              <Toggle
                label="Use Sparse Embeddings"
                checked={data.use_sparse}
                onChange={(v) => onChange({ ...data, use_sparse: v })}
                helper="Enable hybrid search with sparse vectors"
                info="Combines dense embeddings with sparse (keyword-based) embeddings using Reciprocal Rank Fusion for better search results."
              />
            </>
          )}
          <TextInput
            label="SQLite DB Path"
            value={data.db_path}
            onChange={(v) => onChange({ ...data, db_path: v })}
            helper="Local knowledge database file"
          />
          <NumberInput
            label="Top K Results"
            value={data.top_k}
            onChange={(v) => onChange({ ...data, top_k: v })}
            min={1}
            max={20}
            helper="Number of documents to retrieve"
          />
        </>
      )}
    </div>
  )
}

function MeshSourceCard({ source, onChange, onDelete }: {
  source: MeshSourceConfig
  onChange: (s: MeshSourceConfig) => void
  onDelete: () => void
}) {
  const [expanded, setExpanded] = useState(false)

  const typeInfo: Record<string, string> = {
    meshview: 'Web-based mesh monitoring tool. Enter the full URL of a MeshView instance. No API key typically required.',
    meshmonitor: 'AIDA MeshMonitor API. Provides node data and network statistics. Requires API token.',
    mqtt: 'Subscribe directly to a Meshtastic MQTT broker for real-time packet data. This is push-based (instant) vs the polling approach of MeshView/MeshMonitor.',
  }

  return (
    <div className="border border-[#1e2a3a] rounded-lg overflow-hidden">
      <div
        className="flex items-center justify-between p-3 bg-[#0a0e17] cursor-pointer"
        onClick={() => setExpanded(!expanded)}
      >
        <div className="flex items-center gap-3">
          {expanded ? <ChevronDown size={16} /> : <ChevronRight size={16} />}
          <div className={`w-2 h-2 rounded-full ${source.enabled ? 'bg-green-500' : 'bg-slate-500'}`} />
          <span className="font-mono text-sm text-slate-200">{source.name || 'Unnamed Source'}</span>
          <span className="text-xs text-slate-500 bg-[#1e2a3a] px-2 py-0.5 rounded">{source.type}</span>
        </div>
        <button
          onClick={(e) => { e.stopPropagation(); onDelete(); }}
          className="p-1 text-red-400 hover:text-red-300 hover:bg-red-500/10 rounded"
        >
          <Trash2 size={14} />
        </button>
      </div>
      {expanded && (
        <div className="p-4 space-y-4 border-t border-[#1e2a3a]">
          <div className="grid grid-cols-2 gap-4">
            <TextInput label="Name" value={source.name} onChange={(v) => onChange({ ...source, name: v })} helper="Friendly name for this source" />
            <SelectInput
              label="Type"
              value={source.type}
              onChange={(v) => onChange({ ...source, type: v })}
              options={[
                { value: 'meshview', label: 'MeshView' },
                { value: 'meshmonitor', label: 'MeshMonitor' },
                { value: 'mqtt', label: 'MQTT Broker' },
              ]}
              info={typeInfo[source.type] || ''}
            />
          </div>
          {source.type !== 'mqtt' && (
            <TextInput label="URL" value={source.url} onChange={(v) => onChange({ ...source, url: v })} helper="Full URL including protocol" />
          )}
          {source.type === 'meshmonitor' && (
            <TextInput label="API Token" value={source.api_token} onChange={(v) => onChange({ ...source, api_token: v })} type="password" helper="Bearer token for authentication" />
          )}
          {source.type === 'mqtt' && (
            <>
              <div className="grid grid-cols-2 gap-4">
                <TextInput label="Host" value={source.host || ''} onChange={(v) => onChange({ ...source, host: v })} helper="MQTT broker hostname" />
                <NumberInput label="Port" value={source.port || 1883} onChange={(v) => onChange({ ...source, port: v })} min={1} max={65535} helper="1883 plain, 8883 TLS" />
              </div>
              <div className="grid grid-cols-2 gap-4">
                <TextInput label="Username" value={source.username || ''} onChange={(v) => onChange({ ...source, username: v })} />
                <TextInput label="Password" value={source.password || ''} onChange={(v) => onChange({ ...source, password: v })} type="password" />
              </div>
              <TextInput label="Topic Root" value={source.topic_root || 'msh/US'} onChange={(v) => onChange({ ...source, topic_root: v })} helper="Base topic to subscribe to" />
              <Toggle label="Use TLS" checked={source.use_tls || false} onChange={(v) => onChange({ ...source, use_tls: v })} helper="Encrypt MQTT connection" />
            </>
          )}
          <NumberInput label="Refresh Interval (sec)" value={source.refresh_interval} onChange={(v) => onChange({ ...source, refresh_interval: v })} min={10} helper="Polling frequency" />
          <Toggle label="Enabled" checked={source.enabled} onChange={(v) => onChange({ ...source, enabled: v })} />
          <Toggle label="Polite Mode" checked={source.polite_mode} onChange={(v) => onChange({ ...source, polite_mode: v })} helper="Reduce polling for shared instances" />
        </div>
      )}
    </div>
  )
}

function MeshSourcesSection({ data, onChange }: { data: MeshSourceConfig[]; onChange: (d: MeshSourceConfig[]) => void }) {
  const addSource = () => {
    onChange([...data, {
      name: 'New Source',
      type: 'meshview',
      url: '',
      api_token: '',
      refresh_interval: 30,
      polite_mode: false,
      enabled: true,
      host: '',
      port: 1883,
      username: '',
      password: '',
      topic_root: 'msh/US',
      use_tls: false,
    }])
  }

  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.mesh_sources} />
      {data.map((source, i) => (
        <MeshSourceCard
          key={i}
          source={source}
          onChange={(s) => {
            const newData = [...data]
            newData[i] = s
            onChange(newData)
          }}
          onDelete={() => {
            if (confirm(`Delete source "${source.name}"?`)) {
              onChange(data.filter((_, j) => j !== i))
            }
          }}
        />
      ))}
      <button
        onClick={addSource}
        className="w-full py-2 border border-dashed border-[#1e2a3a] rounded-lg text-slate-500 hover:text-slate-300 hover:border-accent flex items-center justify-center gap-2 transition-colors"
      >
        <Plus size={16} /> Add Source
      </button>
    </div>
  )
}

function MeshIntelligenceSection({ data, onChange }: { data: MeshIntelligenceConfig; onChange: (d: MeshIntelligenceConfig) => void }) {
  const [expandedRegion, setExpandedRegion] = useState<number | null>(null)

  return (
    <div className="space-y-6">
      <SectionDescription text={SECTION_DESCRIPTIONS.mesh_intelligence} />
      <Toggle
        label="Enable Mesh Intelligence"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Activate health scoring and alerting"
      />

      {data.enabled && (
        <>
          <div className="grid grid-cols-2 gap-4">
            <NumberInput
              label="Locality Radius (miles)"
              value={data.locality_radius_miles}
              onChange={(v) => onChange({ ...data, locality_radius_miles: v })}
              min={1}
              step={0.5}
              helper="Region assignment radius"
              info="Nodes within this distance of a region anchor point are assigned to that region."
            />
            <NumberInput
              label="Offline Threshold (hours)"
              value={data.offline_threshold_hours}
              onChange={(v) => onChange({ ...data, offline_threshold_hours: v })}
              min={1}
              helper="Time until node marked offline"
              info="A node is considered offline after not being heard for this many hours."
            />
          </div>
          <div className="grid grid-cols-2 gap-4">
            <NumberInput
              label="Packet Threshold"
              value={data.packet_threshold}
              onChange={(v) => onChange({ ...data, packet_threshold: v })}
              min={0}
              helper="Min packets per 24h to flag"
              info="Minimum packets per 24 hours. Nodes below this are flagged as low activity."
            />
            <NumberInput
              label="Battery Warning %"
              value={data.battery_warning_percent}
              onChange={(v) => onChange({ ...data, battery_warning_percent: v })}
              min={1}
              max={100}
              helper="Global battery warning level"
            />
          </div>

          <ListInput
            label="Critical Nodes"
            value={data.critical_nodes}
            onChange={(v) => onChange({ ...data, critical_nodes: v })}
            helper="Short names of critical infrastructure"
            info="Nodes that get priority alerting when they go offline. Use the node's short name (e.g., MHR, HPR)."
          />

          <div className="grid grid-cols-2 gap-4">
            <NumberInput
              label="Alert Channel"
              value={data.alert_channel}
              onChange={(v) => onChange({ ...data, alert_channel: v })}
              min={-1}
              helper="-1 = disabled"
              info="Meshtastic channel number for broadcast alerts. Set to -1 to disable channel broadcasting."
            />
            <NumberInput
              label="Alert Cooldown (min)"
              value={data.alert_cooldown_minutes}
              onChange={(v) => onChange({ ...data, alert_cooldown_minutes: v })}
              min={1}
              helper="Min time between repeat alerts"
              info="Minimum minutes between repeated alerts for the same condition. Uses scaling cooldown (12h, 24h, 48h)."
            />
          </div>

          <div className="space-y-2">
            <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
              Regions
              <InfoButton info="Regions group mesh nodes by geographic area. Each region has an anchor point (lat/lon) and nodes within the region radius are automatically assigned. Regions enable localized reports, alerts, and health scoring." />
            </label>
            {data.regions.map((region, i) => (
              <div key={i} className="border border-[#1e2a3a] rounded-lg overflow-hidden">
                <div
                  className="flex items-center justify-between p-3 bg-[#0a0e17] cursor-pointer"
                  onClick={() => setExpandedRegion(expandedRegion === i ? null : i)}
                >
                  <div className="flex items-center gap-3">
                    {expandedRegion === i ? <ChevronDown size={16} /> : <ChevronRight size={16} />}
                    <span className="font-medium text-slate-200">{region.name || 'Unnamed Region'}</span>
                    <span className="text-xs text-slate-500">{region.local_name}</span>
                  </div>
                  <button
                    onClick={(e) => {
                      e.stopPropagation()
                      if (confirm(`Delete region "${region.name || 'Unnamed Region'}"?`)) {
                        const newRegions = data.regions.filter((_, j) => j !== i)
                        onChange({ ...data, regions: newRegions })
                      }
                    }}
                    className="p-1 text-red-400 hover:text-red-300 hover:bg-red-500/10 rounded"
                  >
                    <Trash2 size={14} />
                  </button>
                </div>
                {expandedRegion === i && (
                  <div className="p-4 space-y-3 border-t border-[#1e2a3a]">
                    <div className="grid grid-cols-2 gap-4">
                      <TextInput label="Name" value={region.name} onChange={(v) => {
                        const newRegions = [...data.regions]
                        newRegions[i] = { ...region, name: v }
                        onChange({ ...data, regions: newRegions })
                      }} />
                      <TextInput label="Local Name" value={region.local_name} onChange={(v) => {
                        const newRegions = [...data.regions]
                        newRegions[i] = { ...region, local_name: v }
                        onChange({ ...data, regions: newRegions })
                      }} />
                    </div>
                    <div className="grid grid-cols-2 gap-4">
                      <NumberInput label="Latitude" value={region.lat} onChange={(v) => {
                        const newRegions = [...data.regions]
                        newRegions[i] = { ...region, lat: v }
                        onChange({ ...data, regions: newRegions })
                      }} step={0.0001} />
                      <NumberInput label="Longitude" value={region.lon} onChange={(v) => {
                        const newRegions = [...data.regions]
                        newRegions[i] = { ...region, lon: v }
                        onChange({ ...data, regions: newRegions })
                      }} step={0.0001} />
                    </div>
                    <TextInput label="Description" value={region.description} onChange={(v) => {
                      const newRegions = [...data.regions]
                      newRegions[i] = { ...region, description: v }
                      onChange({ ...data, regions: newRegions })
                    }} />
                    <ListInput label="Aliases" value={region.aliases} onChange={(v) => {
                      const newRegions = [...data.regions]
                      newRegions[i] = { ...region, aliases: v }
                      onChange({ ...data, regions: newRegions })
                    }} />
                    <ListInput label="Cities" value={region.cities} onChange={(v) => {
                      const newRegions = [...data.regions]
                      newRegions[i] = { ...region, cities: v }
                      onChange({ ...data, regions: newRegions })
                    }} />
                  </div>
                )}
              </div>
            ))}
            <button
              onClick={() => {
                const newRegion: RegionAnchor = {
                  name: '',
                  local_name: '',
                  lat: 0,
                  lon: 0,
                  description: '',
                  aliases: [],
                  cities: [],
                }
                onChange({ ...data, regions: [...data.regions, newRegion] })
                setExpandedRegion(data.regions.length)
              }}
              className="w-full py-2 border border-dashed border-[#1e2a3a] rounded-lg text-slate-500 hover:text-slate-300 hover:border-accent flex items-center justify-center gap-2 transition-colors"
            >
              <Plus size={16} /> Add Region
            </button>
          </div>

          <div className="space-y-3">
            <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
              Alert Rules
              <InfoButton info="Configure which conditions trigger alerts. Each rule can have an optional threshold value." />
            </label>

            <div className="space-y-2">
              <h4 className="text-xs text-slate-400 font-medium">Infrastructure</h4>
              <AlertRuleToggle
                label="Infra Offline"
                description="Alert when an infrastructure node (router/repeater) goes offline"
                checked={data.alert_rules.infra_offline}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, infra_offline: v } })}
              />
              <AlertRuleToggle
                label="Infra Recovery"
                description="Alert when an offline infrastructure node comes back online"
                checked={data.alert_rules.infra_recovery}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, infra_recovery: v } })}
              />
              <AlertRuleToggle
                label="New Router"
                description="Alert when a new router/repeater appears on the mesh"
                checked={data.alert_rules.new_router}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, new_router: v } })}
              />
              <AlertRuleToggle
                label="Feeder Offline"
                description="Alert when a data source (MeshView/MeshMonitor) stops responding"
                checked={data.alert_rules.feeder_offline}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, feeder_offline: v } })}
              />
              <AlertRuleToggle
                label="Single Gateway"
                description="Alert when an infrastructure node has only one connection path"
                checked={data.alert_rules.infra_single_gateway}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, infra_single_gateway: v } })}
              />
              <AlertRuleToggle
                label="Region Blackout"
                description="Alert when all infrastructure in a region goes offline"
                checked={data.alert_rules.region_total_blackout}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, region_total_blackout: v } })}
              />
            </div>

            <div className="space-y-2">
              <h4 className="text-xs text-slate-400 font-medium">Power</h4>
              <AlertRuleToggle
                label="Battery Warning"
                description="Alert when infra node battery drops below warning threshold"
                checked={data.alert_rules.battery_warning}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, battery_warning: v } })}
                threshold={data.alert_rules.battery_warning_threshold}
                onThresholdChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, battery_warning_threshold: v } })}
                thresholdLabel="Below"
                thresholdMin={10}
                thresholdMax={90}
                thresholdSuffix="%"
              />
              <AlertRuleToggle
                label="Battery Critical"
                description="Alert at critical battery level"
                checked={data.alert_rules.battery_critical}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, battery_critical: v } })}
                threshold={data.alert_rules.battery_critical_threshold}
                onThresholdChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, battery_critical_threshold: v } })}
                thresholdLabel="Below"
                thresholdMin={5}
                thresholdMax={50}
                thresholdSuffix="%"
              />
              <AlertRuleToggle
                label="Battery Emergency"
                description="Alert at emergency battery level"
                checked={data.alert_rules.battery_emergency}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, battery_emergency: v } })}
                threshold={data.alert_rules.battery_emergency_threshold}
                onThresholdChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, battery_emergency_threshold: v } })}
                thresholdLabel="Below"
                thresholdMin={1}
                thresholdMax={25}
                thresholdSuffix="%"
              />
              <AlertRuleToggle
                label="Battery Trend Declining"
                description="Alert when battery shows a declining trend over 7 days"
                checked={data.alert_rules.battery_trend_declining}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, battery_trend_declining: v } })}
              />
              <AlertRuleToggle
                label="Power Source Change"
                description="Alert when a node switches between battery and USB power"
                checked={data.alert_rules.power_source_change}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, power_source_change: v } })}
              />
              <AlertRuleToggle
                label="Solar Not Charging"
                description="Alert when a solar-powered node isn't charging during daylight"
                checked={data.alert_rules.solar_not_charging}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, solar_not_charging: v } })}
              />
            </div>

            <div className="space-y-2">
              <h4 className="text-xs text-slate-400 font-medium">Utilization</h4>
              <AlertRuleToggle
                label="High Utilization"
                description="Alert when channel utilization stays high for extended periods"
                checked={data.alert_rules.sustained_high_util}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, sustained_high_util: v } })}
                threshold={data.alert_rules.high_util_threshold}
                onThresholdChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, high_util_threshold: v } })}
                thresholdLabel="Above"
                thresholdMin={5}
                thresholdMax={50}
                thresholdSuffix={`% for ${data.alert_rules.high_util_hours}h`}
              />
              <AlertRuleToggle
                label="Packet Flood"
                description="Alert when a single node sends excessive packets"
                checked={data.alert_rules.packet_flood}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, packet_flood: v } })}
                threshold={data.alert_rules.packet_flood_threshold}
                onThresholdChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, packet_flood_threshold: v } })}
                thresholdLabel="Over"
                thresholdMin={100}
                thresholdMax={2000}
                thresholdSuffix="pkts/24h"
              />
            </div>

            <div className="space-y-2">
              <h4 className="text-xs text-slate-400 font-medium">Health Scores</h4>
              <AlertRuleToggle
                label="Mesh Score Alert"
                description="Alert when overall mesh health score drops below threshold"
                checked={data.alert_rules.mesh_score_alert}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, mesh_score_alert: v } })}
                threshold={data.alert_rules.mesh_score_threshold}
                onThresholdChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, mesh_score_threshold: v } })}
                thresholdLabel="Below"
                thresholdMin={30}
                thresholdMax={90}
                thresholdSuffix="/100"
              />
              <AlertRuleToggle
                label="Region Score Alert"
                description="Alert when a region's health score drops below threshold"
                checked={data.alert_rules.region_score_alert}
                onChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, region_score_alert: v } })}
                threshold={data.alert_rules.region_score_threshold}
                onThresholdChange={(v) => onChange({ ...data, alert_rules: { ...data.alert_rules, region_score_threshold: v } })}
                thresholdLabel="Below"
                thresholdMin={30}
                thresholdMax={90}
                thresholdSuffix="/100"
              />
            </div>
          </div>
        </>
      )}
    </div>
  )
}

function EnvironmentalSection({ data, onChange }: { data: EnvironmentalConfig; onChange: (d: EnvironmentalConfig) => void }) {
  return (
    <div className="space-y-6">
      <SectionDescription text={SECTION_DESCRIPTIONS.environmental} />
      <Toggle
        label="Enable Environmental Feeds"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Activate live data polling"
      />

      {data.enabled && (
        <>
          <ListInput
            label="NWS Zones"
            value={data.nws_zones}
            onChange={(v) => onChange({ ...data, nws_zones: v })}
            helper="Zone IDs like IDZ016, IDZ030"
            info="NWS forecast zones covering your mesh area. Find yours at https://www.weather.gov/pimar/PubZone"
            infoLink="https://www.weather.gov/pimar/PubZone"
          />

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <span className="text-sm font-medium text-slate-300">NWS Weather Alerts</span>
              <Toggle label="" checked={data.nws.enabled} onChange={(v) => onChange({ ...data, nws: { ...data.nws, enabled: v } })} />
            </div>
            {data.nws.enabled && (
              <>
                <TextInput
                  label="User Agent"
                  value={data.nws.user_agent}
                  onChange={(v) => onChange({ ...data, nws: { ...data.nws, user_agent: v } })}
                  placeholder="(MeshAI, your@email.com)"
                  helper="Required format: (app_name, contact_email)"
                  info="Required by NWS. You make it up - just use the format (app_name, your_email). No signup needed."
                />
                <div className="grid grid-cols-2 gap-4">
                  <NumberInput
                    label="Tick Seconds"
                    value={data.nws.tick_seconds}
                    onChange={(v) => onChange({ ...data, nws: { ...data.nws, tick_seconds: v } })}
                    min={30}
                    helper="Polling interval"
                  />
                  <SelectInput
                    label="Min Severity"
                    value={data.nws.severity_min}
                    onChange={(v) => onChange({ ...data, nws: { ...data.nws, severity_min: v } })}
                    options={[
                      { value: 'minor', label: 'Minor' },
                      { value: 'moderate', label: 'Moderate' },
                      { value: 'severe', label: 'Severe' },
                      { value: 'extreme', label: 'Extreme' },
                    ]}
                    helper="Filter out lower severity alerts"
                    info="Minimum severity level to display. 'Moderate' filters out minor advisories. 'Severe' shows only serious warnings."
                  />
                </div>
              </>
            )}
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">NOAA Space Weather (SWPC)</span>
                <p className="text-xs text-slate-600">Solar indices, geomagnetic storms, HF propagation</p>
              </div>
              <Toggle label="" checked={data.swpc.enabled} onChange={(v) => onChange({ ...data, swpc: { ...data.swpc, enabled: v } })} />
            </div>
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">Tropospheric Ducting</span>
                <p className="text-xs text-slate-600">VHF/UHF extended range conditions</p>
              </div>
              <Toggle label="" checked={data.ducting.enabled} onChange={(v) => onChange({ ...data, ducting: { ...data.ducting, enabled: v } })} />
            </div>
            {data.ducting.enabled && (
              <div className="grid grid-cols-3 gap-4">
                <NumberInput
                  label="Tick Seconds"
                  value={data.ducting.tick_seconds}
                  onChange={(v) => onChange({ ...data, ducting: { ...data.ducting, tick_seconds: v } })}
                  min={60}
                />
                <NumberInput
                  label="Latitude"
                  value={data.ducting.latitude}
                  onChange={(v) => onChange({ ...data, ducting: { ...data.ducting, latitude: v } })}
                  step={0.01}
                  info="Center point of your mesh coverage area. The ducting adapter checks atmospheric conditions at this location."
                />
                <NumberInput
                  label="Longitude"
                  value={data.ducting.longitude}
                  onChange={(v) => onChange({ ...data, ducting: { ...data.ducting, longitude: v } })}
                  step={0.01}
                />
              </div>
            )}
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">NIFC Fire Perimeters</span>
                <p className="text-xs text-slate-600">Active wildfires from National Interagency Fire Center</p>
              </div>
              <Toggle label="" checked={data.fires.enabled} onChange={(v) => onChange({ ...data, fires: { ...data.fires, enabled: v } })} />
            </div>
            {data.fires.enabled && (
              <div className="grid grid-cols-2 gap-4">
                <NumberInput
                  label="Tick Seconds"
                  value={data.fires.tick_seconds}
                  onChange={(v) => onChange({ ...data, fires: { ...data.fires, tick_seconds: v } })}
                  min={60}
                />
                <SelectInput
                  label="State"
                  value={data.fires.state}
                  onChange={(v) => onChange({ ...data, fires: { ...data.fires, state: v } })}
                  options={US_STATES}
                  helper="Filter fires by state"
                  info="Two-letter state code for NIFC wildfire filtering."
                />
              </div>
            )}
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">Avalanche Advisories</span>
                <p className="text-xs text-slate-600">Backcountry avalanche danger ratings</p>
              </div>
              <Toggle label="" checked={data.avalanche.enabled} onChange={(v) => onChange({ ...data, avalanche: { ...data.avalanche, enabled: v } })} />
            </div>
            {data.avalanche.enabled && (
              <>
                <NumberInput
                  label="Tick Seconds"
                  value={data.avalanche.tick_seconds}
                  onChange={(v) => onChange({ ...data, avalanche: { ...data.avalanche, tick_seconds: v } })}
                  min={60}
                />
                <ListInput
                  label="Center IDs"
                  value={data.avalanche.center_ids}
                  onChange={(v) => onChange({ ...data, avalanche: { ...data.avalanche, center_ids: v } })}
                  helper="e.g., SNFAC, IPAC, FAC"
                  info="Find your local center at https://avalanche.org/avalanche-centers/"
                  infoLink="https://avalanche.org/avalanche-centers/"
                />
                <NumberListInput
                  label="Season Months"
                  value={data.avalanche.season_months}
                  onChange={(v) => onChange({ ...data, avalanche: { ...data.avalanche, season_months: v } })}
                  helper="e.g., 12, 1, 2, 3, 4"
                  info="Months when avalanche forecasts are active. Default Dec-Apr. Adjust for your region's season."
                />
              </>
            )}
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">USGS Stream Gauges</span>
                <p className="text-xs text-slate-600">River and stream water levels</p>
              </div>
              <Toggle label="" checked={data.usgs?.enabled || false} onChange={(v) => onChange({ ...data, usgs: { ...data.usgs, enabled: v, tick_seconds: data.usgs?.tick_seconds || 900, sites: data.usgs?.sites || [] } })} />
            </div>
            {data.usgs?.enabled && (
              <>
                <NumberInput
                  label="Tick Seconds"
                  value={data.usgs.tick_seconds}
                  onChange={(v) => onChange({ ...data, usgs: { ...data.usgs, tick_seconds: v } })}
                  min={900}
                  helper="Minimum 15 min (900s)"
                />
                <ListInput
                  label="Site IDs"
                  value={data.usgs.sites}
                  onChange={(v) => onChange({ ...data, usgs: { ...data.usgs, sites: v } })}
                  helper="USGS gauge site numbers"
                  info="Find site IDs at waterdata.usgs.gov/nwis"
                  infoLink="https://waterdata.usgs.gov/nwis"
                />
              </>
            )}
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">TomTom Traffic</span>
                <p className="text-xs text-slate-600">Traffic flow on monitored corridors</p>
              </div>
              <Toggle label="" checked={data.traffic?.enabled || false} onChange={(v) => onChange({ ...data, traffic: { ...data.traffic, enabled: v, tick_seconds: data.traffic?.tick_seconds || 300, api_key: data.traffic?.api_key || '', corridors: data.traffic?.corridors || [] } })} />
            </div>
            {data.traffic?.enabled && (
              <>
                <TextInput
                  label="API Key"
                  value={data.traffic.api_key}
                  onChange={(v) => onChange({ ...data, traffic: { ...data.traffic, api_key: v } })}
                  type="password"
                  helper="Get key at developer.tomtom.com"
                  infoLink="https://developer.tomtom.com"
                />
                <NumberInput
                  label="Tick Seconds"
                  value={data.traffic.tick_seconds}
                  onChange={(v) => onChange({ ...data, traffic: { ...data.traffic, tick_seconds: v } })}
                  min={60}
                />
                <div className="text-xs text-slate-500 mt-2">Corridors (each with name, lat, lon):</div>
                {(data.traffic.corridors || []).map((c, i) => (
                  <div key={i} className="grid grid-cols-4 gap-2 items-end">
                    <TextInput label="Name" value={c.name} onChange={(v) => {
                      const newCorridors = [...data.traffic.corridors]
                      newCorridors[i] = { ...c, name: v }
                      onChange({ ...data, traffic: { ...data.traffic, corridors: newCorridors } })
                    }} />
                    <NumberInput label="Lat" value={c.lat} onChange={(v) => {
                      const newCorridors = [...data.traffic.corridors]
                      newCorridors[i] = { ...c, lat: v }
                      onChange({ ...data, traffic: { ...data.traffic, corridors: newCorridors } })
                    }} step={0.01} />
                    <NumberInput label="Lon" value={c.lon} onChange={(v) => {
                      const newCorridors = [...data.traffic.corridors]
                      newCorridors[i] = { ...c, lon: v }
                      onChange({ ...data, traffic: { ...data.traffic, corridors: newCorridors } })
                    }} step={0.01} />
                    <button
                      onClick={() => onChange({ ...data, traffic: { ...data.traffic, corridors: data.traffic.corridors.filter((_, j) => j !== i) } })}
                      className="px-2 py-2 text-xs text-red-400 hover:text-red-300 border border-red-400/30 rounded"
                    >Remove</button>
                  </div>
                ))}
                <button
                  onClick={() => onChange({ ...data, traffic: { ...data.traffic, corridors: [...(data.traffic.corridors || []), { name: '', lat: 0, lon: 0 }] } })}
                  className="text-xs text-accent hover:underline"
                >+ Add Corridor</button>
              </>
            )}
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">511 Road Conditions</span>
                <p className="text-xs text-slate-600">State DOT road events and closures</p>
              </div>
              <Toggle label="" checked={data.roads511?.enabled || false} onChange={(v) => onChange({ ...data, roads511: { ...data.roads511, enabled: v, tick_seconds: data.roads511?.tick_seconds || 300, api_key: data.roads511?.api_key || '', base_url: data.roads511?.base_url || '', endpoints: data.roads511?.endpoints || ['/get/event'], bbox: data.roads511?.bbox || [] } })} />
            </div>
            {data.roads511?.enabled && (
              <>
                <TextInput
                  label="Base URL"
                  value={data.roads511.base_url}
                  onChange={(v) => onChange({ ...data, roads511: { ...data.roads511, base_url: v } })}
                  placeholder="https://511.yourstate.gov/api/v2"
                  helper="State 511 API endpoint"
                />
                <TextInput
                  label="API Key"
                  value={data.roads511.api_key}
                  onChange={(v) => onChange({ ...data, roads511: { ...data.roads511, api_key: v } })}
                  type="password"
                  helper="Leave empty if not required"
                />
                <NumberInput
                  label="Tick Seconds"
                  value={data.roads511.tick_seconds}
                  onChange={(v) => onChange({ ...data, roads511: { ...data.roads511, tick_seconds: v } })}
                  min={60}
                />
                <ListInput
                  label="Endpoints"
                  value={data.roads511.endpoints}
                  onChange={(v) => onChange({ ...data, roads511: { ...data.roads511, endpoints: v } })}
                  helper="e.g., /get/event, /get/mountainpasses"
                />
                <div className="grid grid-cols-4 gap-2">
                  <NumberInput label="West" value={data.roads511.bbox?.[0] || 0} onChange={(v) => {
                    const bbox = [...(data.roads511.bbox || [0, 0, 0, 0])]
                    bbox[0] = v
                    onChange({ ...data, roads511: { ...data.roads511, bbox } })
                  }} step={0.01} />
                  <NumberInput label="South" value={data.roads511.bbox?.[1] || 0} onChange={(v) => {
                    const bbox = [...(data.roads511.bbox || [0, 0, 0, 0])]
                    bbox[1] = v
                    onChange({ ...data, roads511: { ...data.roads511, bbox } })
                  }} step={0.01} />
                  <NumberInput label="East" value={data.roads511.bbox?.[2] || 0} onChange={(v) => {
                    const bbox = [...(data.roads511.bbox || [0, 0, 0, 0])]
                    bbox[2] = v
                    onChange({ ...data, roads511: { ...data.roads511, bbox } })
                  }} step={0.01} />
                  <NumberInput label="North" value={data.roads511.bbox?.[3] || 0} onChange={(v) => {
                    const bbox = [...(data.roads511.bbox || [0, 0, 0, 0])]
                    bbox[3] = v
                    onChange({ ...data, roads511: { ...data.roads511, bbox } })
                  }} step={0.01} />
                </div>
                <div className="text-xs text-slate-500">Bounding box filter (leave all 0 to disable)</div>
              </>
            )}
          </div>

          <div className="border border-[#1e2a3a] rounded-lg p-4 space-y-3">
            <div className="flex items-center justify-between">
              <div>
                <span className="text-sm font-medium text-slate-300">NASA FIRMS Satellite Fire Detection</span>
                <p className="text-xs text-slate-600">Near real-time thermal anomalies from satellites</p>
              </div>
              <Toggle label="" checked={data.firms?.enabled || false} onChange={(v) => onChange({ ...data, firms: { ...data.firms, enabled: v, tick_seconds: data.firms?.tick_seconds || 1800, map_key: data.firms?.map_key || '', source: data.firms?.source || 'VIIRS_SNPP_NRT', bbox: data.firms?.bbox || [], day_range: data.firms?.day_range || 1, confidence_min: data.firms?.confidence_min || 'nominal', proximity_km: data.firms?.proximity_km || 10 } })} />
            </div>
            {data.firms?.enabled && (
              <>
                <TextInput
                  label="MAP Key"
                  value={data.firms.map_key}
                  onChange={(v) => onChange({ ...data, firms: { ...data.firms, map_key: v } })}
                  type="password"
                  helper="Get key at firms.modaps.eosdis.nasa.gov/api/area/"
                  infoLink="https://firms.modaps.eosdis.nasa.gov/api/area/"
                />
                <NumberInput
                  label="Tick Seconds"
                  value={data.firms.tick_seconds}
                  onChange={(v) => onChange({ ...data, firms: { ...data.firms, tick_seconds: v } })}
                  min={300}
                  helper="Minimum 5 min (300s)"
                />
                <SelectInput
                  label="Satellite Source"
                  value={data.firms.source}
                  onChange={(v) => onChange({ ...data, firms: { ...data.firms, source: v } })}
                  options={[
                    { value: 'VIIRS_SNPP_NRT', label: 'VIIRS SNPP (Near Real-Time)' },
                    { value: 'VIIRS_NOAA20_NRT', label: 'VIIRS NOAA-20 (Near Real-Time)' },
                    { value: 'MODIS_NRT', label: 'MODIS (Near Real-Time)' },
                  ]}
                />
                <NumberInput
                  label="Day Range"
                  value={data.firms.day_range}
                  onChange={(v) => onChange({ ...data, firms: { ...data.firms, day_range: v } })}
                  min={1}
                  max={10}
                  helper="1-10 days of data"
                />
                <SelectInput
                  label="Minimum Confidence"
                  value={data.firms.confidence_min}
                  onChange={(v) => onChange({ ...data, firms: { ...data.firms, confidence_min: v } })}
                  options={[
                    { value: 'low', label: 'Low' },
                    { value: 'nominal', label: 'Nominal' },
                    { value: 'high', label: 'High' },
                  ]}
                />
                <NumberInput
                  label="Proximity (km)"
                  value={data.firms.proximity_km}
                  onChange={(v) => onChange({ ...data, firms: { ...data.firms, proximity_km: v } })}
                  step={0.5}
                  helper="Distance to match known fires"
                />
                <div className="grid grid-cols-4 gap-2">
                  <NumberInput label="West" value={data.firms.bbox?.[0] || 0} onChange={(v) => {
                    const bbox = [...(data.firms.bbox || [0, 0, 0, 0])]
                    bbox[0] = v
                    onChange({ ...data, firms: { ...data.firms, bbox } })
                  }} step={0.01} />
                  <NumberInput label="South" value={data.firms.bbox?.[1] || 0} onChange={(v) => {
                    const bbox = [...(data.firms.bbox || [0, 0, 0, 0])]
                    bbox[1] = v
                    onChange({ ...data, firms: { ...data.firms, bbox } })
                  }} step={0.01} />
                  <NumberInput label="East" value={data.firms.bbox?.[2] || 0} onChange={(v) => {
                    const bbox = [...(data.firms.bbox || [0, 0, 0, 0])]
                    bbox[2] = v
                    onChange({ ...data, firms: { ...data.firms, bbox } })
                  }} step={0.01} />
                  <NumberInput label="North" value={data.firms.bbox?.[3] || 0} onChange={(v) => {
                    const bbox = [...(data.firms.bbox || [0, 0, 0, 0])]
                    bbox[3] = v
                    onChange({ ...data, firms: { ...data.firms, bbox } })
                  }} step={0.01} />
                </div>
                <div className="text-xs text-slate-500">Bounding box for monitoring area (required)</div>
              </>
            )}
          </div>
        </>
      )}
    </div>
  )
}

// Notification Channel Card Component
function NotificationChannelCard({
  channel,
  onChange,
  onDelete,
  onTest,
}: {
  channel: NotificationChannelConfig
  onChange: (c: NotificationChannelConfig) => void
  onDelete: () => void
  onTest: () => void
}) {
  const [expanded, setExpanded] = useState(false)
  const [testing, setTesting] = useState(false)

  const typeOptions = [
    { value: 'mesh_broadcast', label: 'Mesh Broadcast' },
    { value: 'mesh_dm', label: 'Mesh DM' },
    { value: 'email', label: 'Email' },
    { value: 'webhook', label: 'Webhook' },
  ]

  const typeDescriptions: Record<string, string> = {
    mesh_broadcast: 'Broadcast alerts to a mesh channel. All nodes on that channel receive the alert.',
    mesh_dm: 'Send alerts as direct messages to specific nodes.',
    email: 'Send alert emails via SMTP. Works with Gmail, Outlook, and any SMTP server.',
    webhook: 'POST alert JSON to any URL. Works with Discord webhooks, ntfy.sh, Pushover, Slack, Home Assistant, or any service that accepts HTTP POST.',
  }

  const handleTest = async () => {
    setTesting(true)
    await onTest()
    setTesting(false)
  }

  return (
    <div className="border border-[#1e2a3a] rounded-lg overflow-hidden">
      <div
        className="flex items-center justify-between p-3 bg-[#0a0e17] cursor-pointer"
        onClick={() => setExpanded(!expanded)}
      >
        <div className="flex items-center gap-3">
          {expanded ? <ChevronDown size={16} /> : <ChevronRight size={16} />}
          <div className={`w-2 h-2 rounded-full ${channel.enabled ? 'bg-green-500' : 'bg-slate-500'}`} />
          <span className="font-medium text-slate-200">{channel.id || 'New Channel'}</span>
          <span className="text-xs text-slate-500 bg-[#1e2a3a] px-2 py-0.5 rounded">
            {typeOptions.find(t => t.value === channel.type)?.label || channel.type}
          </span>
        </div>
        <div className="flex items-center gap-2">
          <button
            onClick={(e) => { e.stopPropagation(); handleTest() }}
            disabled={testing}
            className="p-1.5 text-blue-400 hover:text-blue-300 hover:bg-blue-500/10 rounded disabled:opacity-50"
            title="Send test alert"
          >
            <Send size={14} />
          </button>
          <button
            onClick={(e) => { e.stopPropagation(); onDelete() }}
            className="p-1 text-red-400 hover:text-red-300 hover:bg-red-500/10 rounded"
          >
            <Trash2 size={14} />
          </button>
        </div>
      </div>
      {expanded && (
        <div className="p-4 space-y-4 border-t border-[#1e2a3a]">
          <div className="grid grid-cols-2 gap-4">
            <TextInput
              label="Channel ID"
              value={channel.id}
              onChange={(v) => onChange({ ...channel, id: v })}
              helper="Unique identifier for this channel"
              info="Used to reference this channel in notification rules. Use lowercase with hyphens (e.g., 'mesh-main', 'email-admin')."
            />
            <SelectInput
              label="Type"
              value={channel.type}
              onChange={(v) => onChange({ ...channel, type: v })}
              options={typeOptions}
              info={typeDescriptions[channel.type] || 'Select a channel type'}
            />
          </div>
          <Toggle
            label="Enabled"
            checked={channel.enabled}
            onChange={(v) => onChange({ ...channel, enabled: v })}
            helper="Disable to temporarily stop alerts on this channel"
          />

          {/* Mesh Broadcast fields */}
          {channel.type === 'mesh_broadcast' && (
            <NumberInput
              label="Channel Index"
              value={channel.channel_index}
              onChange={(v) => onChange({ ...channel, channel_index: v })}
              min={0}
              max={7}
              helper="Mesh channel number (0-7)"
              info="The mesh channel to broadcast alerts on. Channel 0 is typically the default channel."
            />
          )}

          {/* Mesh DM fields */}
          {channel.type === 'mesh_dm' && (
            <ListInput
              label="Node IDs"
              value={channel.node_ids}
              onChange={(v) => onChange({ ...channel, node_ids: v })}
              helper="Node IDs to receive DM alerts"
              info="Node IDs that receive direct message alerts. Enter the full node ID (e.g., '!a1b2c3d4') for each recipient."
            />
          )}

          {/* Email fields */}
          {channel.type === 'email' && (
            <>
              <div className="grid grid-cols-2 gap-4">
                <TextInput
                  label="SMTP Host"
                  value={channel.smtp_host}
                  onChange={(v) => onChange({ ...channel, smtp_host: v })}
                  placeholder="smtp.gmail.com"
                  helper="SMTP server hostname"
                  info="The SMTP server for sending emails. Gmail: smtp.gmail.com, Outlook: smtp.office365.com"
                />
                <NumberInput
                  label="SMTP Port"
                  value={channel.smtp_port}
                  onChange={(v) => onChange({ ...channel, smtp_port: v })}
                  min={1}
                  max={65535}
                  helper="587 (TLS) or 465 (SSL)"
                  info="SMTP port. Use 587 for TLS (recommended) or 465 for SSL."
                />
              </div>
              <div className="grid grid-cols-2 gap-4">
                <TextInput
                  label="SMTP User"
                  value={channel.smtp_user}
                  onChange={(v) => onChange({ ...channel, smtp_user: v })}
                  placeholder="you@gmail.com"
                  helper="Login username"
                />
                <TextInput
                  label="SMTP Password"
                  value={channel.smtp_password}
                  onChange={(v) => onChange({ ...channel, smtp_password: v })}
                  type="password"
                  helper="App password recommended"
                  info="SMTP server for sending alert emails. Gmail users: use an App Password, not your regular password. Generate one at myaccount.google.com/apppasswords"
                />
              </div>
              <Toggle
                label="Use TLS"
                checked={channel.smtp_tls}
                onChange={(v) => onChange({ ...channel, smtp_tls: v })}
                helper="Encrypt SMTP connection"
                info="Enable TLS encryption for the SMTP connection. Required for most modern email servers."
              />
              <TextInput
                label="From Address"
                value={channel.from_address}
                onChange={(v) => onChange({ ...channel, from_address: v })}
                placeholder="alerts@yourdomain.com"
                helper="Sender email address"
                info="The email address that appears as the sender. Some servers require this to match your login."
              />
              <ListInput
                label="Recipients"
                value={channel.recipients}
                onChange={(v) => onChange({ ...channel, recipients: v })}
                helper="Email addresses to receive alerts"
                info="List of email addresses that will receive alerts from this channel."
              />
            </>
          )}

          {/* Webhook fields */}
          {channel.type === 'webhook' && (
            <>
              <TextInput
                label="Webhook URL"
                value={channel.url}
                onChange={(v) => onChange({ ...channel, url: v })}
                placeholder="https://discord.com/api/webhooks/..."
                helper="POST endpoint for alerts"
                info="POST alert JSON to any URL. Works with Discord webhooks, ntfy.sh, Pushover, Slack, Home Assistant, or any service that accepts HTTP POST."
              />
              <div className="space-y-1">
                <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
                  Headers (optional)
                  <InfoButton info="Additional HTTP headers to send with the webhook request. Useful for authentication tokens or custom headers required by the receiving service." />
                </label>
                <div className="text-xs text-slate-600">
                  Custom headers can be configured in the YAML config file
                </div>
              </div>
            </>
          )}
        </div>
      )}
    </div>
  )
}

// Notification Rule Card Component
function NotificationRuleCard({
  rule,
  categories,
  channels,
  onChange,
  onDelete,
}: {
  rule: NotificationRuleConfig
  categories: AlertCategory[]
  channels: NotificationChannelConfig[]
  onChange: (r: NotificationRuleConfig) => void
  onDelete: () => void
}) {
  const [expanded, setExpanded] = useState(false)

  const severityOptions = [
    { value: 'info', label: 'Info' },
    { value: 'advisory', label: 'Advisory' },
    { value: 'watch', label: 'Watch' },
    { value: 'warning', label: 'Warning' },
    { value: 'critical', label: 'Critical' },
    { value: 'emergency', label: 'Emergency' },
  ]

  const toggleCategory = (catId: string) => {
    const current = rule.categories || []
    if (current.includes(catId)) {
      onChange({ ...rule, categories: current.filter(c => c !== catId) })
    } else {
      onChange({ ...rule, categories: [...current, catId] })
    }
  }

  const toggleChannel = (channelId: string) => {
    const current = rule.channel_ids || []
    if (current.includes(channelId)) {
      onChange({ ...rule, channel_ids: current.filter(c => c !== channelId) })
    } else {
      onChange({ ...rule, channel_ids: [...current, channelId] })
    }
  }

  return (
    <div className="border border-[#1e2a3a] rounded-lg overflow-hidden">
      <div
        className="flex items-center justify-between p-3 bg-[#0a0e17] cursor-pointer"
        onClick={() => setExpanded(!expanded)}
      >
        <div className="flex items-center gap-3">
          {expanded ? <ChevronDown size={16} /> : <ChevronRight size={16} />}
          <span className="font-medium text-slate-200">{rule.name || 'New Rule'}</span>
          <span className="text-xs text-slate-500">
            {rule.categories?.length || 0} categories → {rule.channel_ids?.length || 0} channels
          </span>
        </div>
        <button
          onClick={(e) => { e.stopPropagation(); onDelete() }}
          className="p-1 text-red-400 hover:text-red-300 hover:bg-red-500/10 rounded"
        >
          <Trash2 size={14} />
        </button>
      </div>
      {expanded && (
        <div className="p-4 space-y-4 border-t border-[#1e2a3a]">
          <TextInput
            label="Rule Name"
            value={rule.name}
            onChange={(v) => onChange({ ...rule, name: v })}
            helper="Human-readable name for this rule"
            info="A descriptive name to identify this rule. Example: 'Emergency Alerts', 'Fire Notifications', 'Infrastructure Warnings'"
          />

          <SelectInput
            label="Minimum Severity"
            value={rule.min_severity}
            onChange={(v) => onChange({ ...rule, min_severity: v })}
            options={severityOptions}
            helper="Only alerts at or above this severity"
            info="Only alerts at this severity or above will trigger this rule. 'warning' is recommended for most channels. Use 'info' to receive all alerts."
          />

          <div className="space-y-2">
            <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
              Alert Categories
              <InfoButton info="Which alert types this rule applies to. Select none to match all categories. Alerts matching any selected category (AND meeting severity threshold) will trigger this rule." />
            </label>
            <div className="text-xs text-slate-500 mb-2">
              {rule.categories?.length === 0 ? 'All categories (none selected)' : `${rule.categories?.length} selected`}
            </div>
            <div className="max-h-48 overflow-y-auto border border-[#1e2a3a] rounded-lg p-2 space-y-1">
              {categories.map((cat) => (
                <label
                  key={cat.id}
                  className="flex items-start gap-2 p-2 rounded hover:bg-[#0a0e17] cursor-pointer"
                >
                  <input
                    type="checkbox"
                    checked={rule.categories?.includes(cat.id) || false}
                    onChange={() => toggleCategory(cat.id)}
                    className="mt-0.5 rounded border-slate-600 bg-[#0a0e17] text-accent focus:ring-accent"
                  />
                  <div className="flex-1 min-w-0">
                    <div className="text-sm text-slate-200">{cat.name}</div>
                    <div className="text-xs text-slate-500">{cat.description}</div>
                  </div>
                </label>
              ))}
            </div>
          </div>

          <div className="space-y-2">
            <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
              Delivery Channels
              <InfoButton info="Which channels receive alerts matching this rule. Select at least one channel." />
            </label>
            {channels.length === 0 ? (
              <div className="text-xs text-slate-500 p-2 border border-[#1e2a3a] rounded-lg">
                No channels configured. Add channels above first.
              </div>
            ) : (
              <div className="border border-[#1e2a3a] rounded-lg p-2 space-y-1">
                {channels.map((ch) => (
                  <label
                    key={ch.id}
                    className="flex items-center gap-2 p-2 rounded hover:bg-[#0a0e17] cursor-pointer"
                  >
                    <input
                      type="checkbox"
                      checked={rule.channel_ids?.includes(ch.id) || false}
                      onChange={() => toggleChannel(ch.id)}
                      className="rounded border-slate-600 bg-[#0a0e17] text-accent focus:ring-accent"
                    />
                    <span className="text-sm text-slate-200">{ch.id}</span>
                    <span className="text-xs text-slate-500">({ch.type})</span>
                  </label>
                ))}
              </div>
            )}
          </div>

          <Toggle
            label="Override Quiet Hours"
            checked={rule.override_quiet}
            onChange={(v) => onChange({ ...rule, override_quiet: v })}
            helper="Send alerts even during quiet hours"
            info="When enabled, this rule sends alerts even during quiet hours. Use for critical conditions like fires or infrastructure failures."
          />
        </div>
      )}
    </div>
  )
}

// Main Notifications Section Component
function NotificationsSection({ data, onChange }: { data: NotificationsConfig; onChange: (d: NotificationsConfig) => void }) {
  const [categories, setCategories] = useState<AlertCategory[]>([])
  const [testResult, setTestResult] = useState<{ success: boolean; message: string } | null>(null)

  // Fetch categories on mount
  useEffect(() => {
    fetch('/api/notifications/categories')
      .then(res => res.json())
      .then(setCategories)
      .catch(() => setCategories([]))
  }, [])

  const addChannel = () => {
    const newChannel: NotificationChannelConfig = {
      id: '',
      type: 'mesh_broadcast',
      enabled: true,
      channel_index: 0,
      node_ids: [],
      smtp_host: '',
      smtp_port: 587,
      smtp_user: '',
      smtp_password: '',
      smtp_tls: true,
      from_address: '',
      recipients: [],
      url: '',
      headers: {},
    }
    onChange({ ...data, channels: [...(data.channels || []), newChannel] })
  }

  const addRule = () => {
    const newRule: NotificationRuleConfig = {
      name: '',
      categories: [],
      min_severity: 'warning',
      channel_ids: [],
      override_quiet: false,
    }
    onChange({ ...data, rules: [...(data.rules || []), newRule] })
  }

  const testChannel = async (channelId: string) => {
    try {
      const res = await fetch(`/api/notifications/channels/${channelId}/test`, { method: 'POST' })
      const result = await res.json()
      setTestResult(result)
      setTimeout(() => setTestResult(null), 5000)
    } catch {
      setTestResult({ success: false, message: 'Test failed' })
      setTimeout(() => setTestResult(null), 5000)
    }
  }

  return (
    <div className="space-y-6">
      <SectionDescription text={SECTION_DESCRIPTIONS.notifications} />

      <Toggle
        label="Enable Notifications"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Master switch for all notification delivery"
        info="When disabled, no alerts will be delivered through any channel. The alert engine still runs and records alerts to history."
      />

      {testResult && (
        <div className={`p-3 rounded-lg text-sm ${testResult.success ? 'bg-green-500/10 text-green-400 border border-green-500/20' : 'bg-red-500/10 text-red-400 border border-red-500/20'}`}>
          {testResult.success ? <Check size={14} className="inline mr-2" /> : <X size={14} className="inline mr-2" />}
          {testResult.message}
        </div>
      )}

      {data.enabled && (
        <>
          {/* Channels Section */}
          <div className="space-y-3">
            <div className="flex items-center justify-between">
              <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
                Channels
                <InfoButton info="Where alerts get delivered. Add channels for each destination you want to receive alerts." />
              </label>
            </div>
            <p className="text-sm text-slate-500 -mt-1">
              Where alerts get delivered. Add channels for each destination you want to receive alerts.
            </p>
            {(data.channels || []).map((channel, i) => (
              <NotificationChannelCard
                key={i}
                channel={channel}
                onChange={(c) => {
                  const newChannels = [...(data.channels || [])]
                  newChannels[i] = c
                  onChange({ ...data, channels: newChannels })
                }}
                onDelete={() => {
                  if (confirm(`Delete channel "${channel.id || 'New Channel'}"?`)) {
                    onChange({ ...data, channels: (data.channels || []).filter((_, j) => j !== i) })
                  }
                }}
                onTest={() => testChannel(channel.id)}
              />
            ))}
            <button
              onClick={addChannel}
              className="w-full py-2 border border-dashed border-[#1e2a3a] rounded-lg text-slate-500 hover:text-slate-300 hover:border-accent flex items-center justify-center gap-2 transition-colors"
            >
              <Plus size={16} /> Add Channel
            </button>
          </div>

          {/* Rules Section */}
          <div className="space-y-3">
            <div className="flex items-center justify-between">
              <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
                Rules
                <InfoButton info="Rules connect alert categories to delivery channels. When a condition matches a rule, the alert is sent to all channels in that rule." />
              </label>
            </div>
            <p className="text-sm text-slate-500 -mt-1">
              Rules connect alert categories to delivery channels. When a condition matches a rule, the alert is sent to all channels in that rule.
            </p>
            {(data.rules || []).map((rule, i) => (
              <NotificationRuleCard
                key={i}
                rule={rule}
                categories={categories}
                channels={data.channels || []}
                onChange={(r) => {
                  const newRules = [...(data.rules || [])]
                  newRules[i] = r
                  onChange({ ...data, rules: newRules })
                }}
                onDelete={() => {
                  if (confirm(`Delete rule "${rule.name || 'New Rule'}"?`)) {
                    onChange({ ...data, rules: (data.rules || []).filter((_, j) => j !== i) })
                  }
                }}
              />
            ))}
            <button
              onClick={addRule}
              className="w-full py-2 border border-dashed border-[#1e2a3a] rounded-lg text-slate-500 hover:text-slate-300 hover:border-accent flex items-center justify-center gap-2 transition-colors"
            >
              <Plus size={16} /> Add Rule
            </button>
          </div>

          {/* Quiet Hours Section */}
          <div className="space-y-3">
            <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
              Quiet Hours
              <InfoButton info="Suppress non-emergency alerts during sleeping hours. Emergency and critical alerts always get through. Rules with 'Override Quiet Hours' enabled will also deliver during this time." />
            </label>
            <p className="text-sm text-slate-500 -mt-1">
              Suppress non-emergency alerts during sleeping hours. Emergency and critical alerts always get through.
            </p>
            <div className="grid grid-cols-2 gap-4">
              <TextInput
                label="Start Time"
                value={data.quiet_hours_start || '22:00'}
                onChange={(v) => onChange({ ...data, quiet_hours_start: v })}
                placeholder="22:00"
                helper="When quiet hours begin"
                info="Time in 24-hour format (HH:MM) when quiet hours start. Alerts below emergency severity will be held until quiet hours end."
              />
              <TextInput
                label="End Time"
                value={data.quiet_hours_end || '06:00'}
                onChange={(v) => onChange({ ...data, quiet_hours_end: v })}
                placeholder="06:00"
                helper="When quiet hours end"
                info="Time in 24-hour format (HH:MM) when quiet hours end. Held alerts will be delivered at this time."
              />
            </div>
          </div>

          {/* Dedup Section */}
          <div className="space-y-3">
            <label className="flex items-center text-xs text-slate-500 uppercase tracking-wide">
              Deduplication
              <InfoButton info="Prevents alert spam. If the same condition fires multiple times within this window, only the first one is delivered." />
            </label>
            <NumberInput
              label="Dedup Window (seconds)"
              value={data.dedup_seconds || 600}
              onChange={(v) => onChange({ ...data, dedup_seconds: v })}
              min={0}
              max={86400}
              helper="Don't re-send the same alert within this window"
              info="Prevents alert spam. If the same condition fires multiple times within this window, only the first one is delivered. Default is 600 seconds (10 minutes)."
            />
          </div>
        </>
      )}
    </div>
  )
}

function DashboardSection({ data, onChange }: { data: DashboardConfig; onChange: (d: DashboardConfig) => void }) {
  return (
    <div className="space-y-4">
      <SectionDescription text={SECTION_DESCRIPTIONS.dashboard} />
      <Toggle
        label="Enable Dashboard"
        checked={data.enabled}
        onChange={(v) => onChange({ ...data, enabled: v })}
        helper="Run the web dashboard"
      />
      {data.enabled && (
        <div className="grid grid-cols-2 gap-4">
          <TextInput
            label="Host"
            value={data.host}
            onChange={(v) => onChange({ ...data, host: v })}
            placeholder="0.0.0.0"
            helper="Network bind address"
            info="0.0.0.0 = accessible from any device on the network. 127.0.0.1 = only accessible from this machine."
          />
          <NumberInput
            label="Port"
            value={data.port}
            onChange={(v) => onChange({ ...data, port: v })}
            min={1}
            max={65535}
            helper="Dashboard URL port"
            info="Port number for the web dashboard URL. You access the dashboard at http://your-ip:port"
          />
        </div>
      )}
    </div>
  )
}

export default function Config() {
  const [config, setConfig] = useState<FullConfig | null>(null)
  const [originalConfig, setOriginalConfig] = useState<FullConfig | null>(null)
  const [activeSection, setActiveSection] = useState<SectionKey>('bot')
  const [loading, setLoading] = useState(true)
  const [saving, setSaving] = useState(false)
  const [error, setError] = useState<string | null>(null)
  const [success, setSuccess] = useState<string | null>(null)
  const [restartRequired, setRestartRequired] = useState(false)
  const [hasChanges, setHasChanges] = useState(false)

  const fetchConfig = useCallback(async () => {
    try {
      const res = await fetch('/api/config')
      if (!res.ok) throw new Error('Failed to fetch config')
      const data = await res.json()
      setConfig(data)
      setOriginalConfig(JSON.parse(JSON.stringify(data)))
      setHasChanges(false)
      setError(null)
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Unknown error')
    } finally {
      setLoading(false)
    }
  }, [])

  useEffect(() => {
    document.title = 'Config — MeshAI'
    fetchConfig()
  }, [fetchConfig])

  useEffect(() => {
    if (config && originalConfig) {
      setHasChanges(JSON.stringify(config) !== JSON.stringify(originalConfig))
    }
  }, [config, originalConfig])

  const saveSection = async () => {
    if (!config) return

    setSaving(true)
    setError(null)
    setSuccess(null)

    try {
      const sectionData = config[activeSection]
      const res = await fetch(`/api/config/${activeSection}`, {
        method: 'PUT',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(sectionData),
      })

      const result = await res.json()

      if (!res.ok) {
        throw new Error(result.detail || 'Save failed')
      }

      setSuccess(`${activeSection} saved successfully`)
      setOriginalConfig(JSON.parse(JSON.stringify(config)))
      setHasChanges(false)

      if (result.restart_required) {
        setRestartRequired(true)
      }

      setTimeout(() => setSuccess(null), 3000)
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Save failed')
    } finally {
      setSaving(false)
    }
  }

  const discardChanges = () => {
    if (originalConfig) {
      setConfig(JSON.parse(JSON.stringify(originalConfig)))
      setHasChanges(false)
    }
  }

  const restartService = async () => {
    try {
      await fetch('/api/restart', { method: 'POST' })
      setRestartRequired(false)
      setSuccess('Restart initiated')
    } catch {
      setError('Restart failed')
    }
  }

  const updateSection = <K extends SectionKey>(section: K, data: FullConfig[K]) => {
    if (!config) return
    setConfig({ ...config, [section]: data })
  }

  if (loading) {
    return (
      <div className="flex items-center justify-center h-64">
        <div className="text-slate-400">Loading configuration...</div>
      </div>
    )
  }

  if (!config) {
    return (
      <div className="flex items-center justify-center h-64">
        <div className="text-red-400">Failed to load configuration</div>
      </div>
    )
  }

  const renderSection = () => {
    switch (activeSection) {
      case 'bot': return <BotSection data={config.bot} onChange={(d) => updateSection('bot', d)} />
      case 'connection': return <ConnectionSection data={config.connection} onChange={(d) => updateSection('connection', d)} />
      case 'response': return <ResponseSection data={config.response} onChange={(d) => updateSection('response', d)} />
      case 'history': return <HistorySection data={config.history} onChange={(d) => updateSection('history', d)} />
      case 'memory': return <MemorySection data={config.memory} onChange={(d) => updateSection('memory', d)} />
      case 'context': return <ContextSection data={config.context} onChange={(d) => updateSection('context', d)} />
      case 'commands': return <CommandsSection data={config.commands} onChange={(d) => updateSection('commands', d)} />
      case 'llm': return <LLMSection data={config.llm} onChange={(d) => updateSection('llm', d)} />
      case 'weather': return <WeatherSection data={config.weather} onChange={(d) => updateSection('weather', d)} />
      case 'meshmonitor': return <MeshMonitorSection data={config.meshmonitor} onChange={(d) => updateSection('meshmonitor', d)} />
      case 'knowledge': return <KnowledgeSection data={config.knowledge} onChange={(d) => updateSection('knowledge', d)} />
      case 'mesh_sources': return <MeshSourcesSection data={config.mesh_sources} onChange={(d) => updateSection('mesh_sources', d)} />
      case 'mesh_intelligence': return <MeshIntelligenceSection data={config.mesh_intelligence} onChange={(d) => updateSection('mesh_intelligence', d)} />
      case 'environmental': return <EnvironmentalSection data={config.environmental} onChange={(d) => updateSection('environmental', d)} />
      case 'notifications': return <NotificationsSection data={config.notifications} onChange={(d) => updateSection('notifications', d)} />
      case 'dashboard': return <DashboardSection data={config.dashboard} onChange={(d) => updateSection('dashboard', d)} />
      default: return null
    }
  }

  const activeLabel = SECTIONS.find(s => s.key === activeSection)?.label || activeSection

  return (
    <div className="flex gap-6 h-[calc(100vh-8rem)]">
      <div className="w-48 flex-shrink-0 space-y-1">
        {SECTIONS.map(({ key, label, icon: Icon }) => (
          <button
            key={key}
            onClick={() => setActiveSection(key)}
            className={`w-full flex items-center gap-2 px-3 py-2 rounded text-sm transition-colors ${
              activeSection === key
                ? 'bg-accent text-white'
                : 'text-slate-400 hover:text-slate-200 hover:bg-bg-hover'
            }`}
          >
            <Icon size={16} />
            <span>{label}</span>
            {hasChanges && activeSection === key && (
              <span className="ml-auto w-2 h-2 bg-amber-500 rounded-full" />
            )}
          </button>
        ))}
      </div>

      <div className="flex-1 flex flex-col min-w-0">
        <div className="flex items-center justify-between mb-6">
          <div className="flex items-center gap-3">
            <Settings size={20} className="text-slate-500" />
            <h2 className="text-lg font-semibold text-slate-200">{activeLabel}</h2>
          </div>
          <div className="flex items-center gap-2">
            {hasChanges && (
              <button
                onClick={discardChanges}
                className="flex items-center gap-1.5 px-3 py-1.5 text-sm text-slate-400 hover:text-slate-200 bg-bg-hover rounded transition-colors"
              >
                <RotateCcw size={14} />
                Discard
              </button>
            )}
            <button
              onClick={saveSection}
              disabled={saving || !hasChanges}
              className="flex items-center gap-1.5 px-4 py-1.5 text-sm bg-accent text-white rounded hover:bg-accent/80 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
            >
              {saving ? <RefreshCw size={14} className="animate-spin" /> : <Save size={14} />}
              Save
            </button>
          </div>
        </div>

        {restartRequired && (
          <div className="flex items-center justify-between p-3 mb-4 bg-amber-500/10 border border-amber-500/30 rounded-lg">
            <div className="flex items-center gap-2 text-amber-400">
              <AlertTriangle size={16} />
              <span className="text-sm">Restart required for changes to take effect</span>
            </div>
            <button
              onClick={restartService}
              className="px-3 py-1 text-sm bg-amber-500 text-white rounded hover:bg-amber-600 transition-colors"
            >
              Restart Now
            </button>
          </div>
        )}

        {error && (
          <div className="flex items-center gap-2 p-3 mb-4 bg-red-500/10 border border-red-500/30 rounded-lg text-red-400">
            <X size={16} />
            <span className="text-sm">{error}</span>
          </div>
        )}

        {success && (
          <div className="flex items-center gap-2 p-3 mb-4 bg-green-500/10 border border-green-500/30 rounded-lg text-green-400">
            <Check size={16} />
            <span className="text-sm">{success}</span>
          </div>
        )}

        <div className="flex-1 overflow-y-auto pr-2">
          <div className="bg-bg-card border border-border rounded-lg p-6">
            {renderSection()}
          </div>
        </div>
      </div>
    </div>
  )
}