import { useState, useEffect } from 'react'
import { Link } from 'react-router-dom'
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
import { useSources, useUpdateSources, useUpdateApiKeys, useConfig, useAiStatus, useAnalysisConfig, useSaveAnalysisConfig, useCycleStatus, useUpdateCycleConfig, useTriggerCycle, useCycleStepCatalog, useRiskProfiles, useUpsertProfile, useDeleteProfile, useExitDefaults, useSaveExitDefaults, useOptionsGate, useSaveOptionsGate, useTechIndicatorsConfig, useSaveTechIndicatorsConfig, useInstrumentsWatchlist, useAddWatchlistInstrument, useRemoveWatchlistInstrument, validateTicker, useSaxoStatus, useDisconnectSaxo, useSaxoWatchlist, useUpdateSaxoWatchlist, useSnapshotSaxoNow, useValidateSaxoWatchlist, useSaxoCatalog, useSaxoCatalogSummary, useRefreshSaxoCatalog, useTestSaxoQuote, useSaxoSettings, useUpdateSaxoSettings, useSnapshotAllSaxoNow, useExpandSaxoWatchlist, type CycleStepDef } from '../hooks/useApi'
import { Settings, Key, Globe, CheckCircle, XCircle, AlertCircle, Save, Eye, EyeOff, Brain, SlidersHorizontal, RefreshCw, Zap, Plus, Trash2, Pencil, X, Lock, Gauge, DollarSign, TrendingUp, ShieldAlert, DatabaseBackup, Radar, Link2, Unlink, Camera, ShieldCheck, ExternalLink } from 'lucide-react'
import clsx from 'clsx'

const API = ''

const SOURCE_CATEGORIES = {
  'Active RSS Feeds': ['reuters_world', 'reuters_business', 'reuters_energy', 'ap_top', 'aljazeera', 'ft', 'bloomberg'],
  'Economic Data': ['newsapi', 'gdelt', 'eia', 'fred', 'usda'],
  'Health & Disasters': ['who', 'emdat'],
  'Social Media': ['twitter_trump'],
}

const SOURCE_DOCS: Record<string, { description: string; link?: string; cost: string }> = {
  reuters_world: { description: 'Reuters World News', cost: 'Free' },
  reuters_business: { description: 'Reuters Business & Markets', cost: 'Free' },
  reuters_energy: { description: 'Reuters Energy & Commodities', cost: 'Free' },
  ap_top: { description: 'Associated Press — Top Stories', cost: 'Free' },
  aljazeera: { description: 'Al Jazeera — Middle East/World coverage', cost: 'Free' },
  ft: { description: 'Financial Times — international finance', cost: 'Free' },
  bloomberg: { description: 'Bloomberg Markets RSS', cost: 'Free' },
  newsapi: { description: '100 req/day free — multi-source world news', link: 'https://newsapi.org', cost: '100 req/d free' },
  gdelt: { description: 'Global geopolitical database — 300K events/day', link: 'https://gdeltproject.org', cost: 'Totally free' },
  eia: { description: 'US Energy Information Administration — weekly oil/gas data', link: 'https://www.eia.gov/opendata', cost: 'Free with key' },
  fred: { description: 'Federal Reserve St. Louis — US macro (GDP, inflation, employment)', link: 'https://fred.stlouisfed.org/docs/api/fred/', cost: 'Free with key' },
  usda: { description: 'USDA — official US agricultural reports', cost: 'Free' },
  who: { description: 'WHO — global health alerts RSS', cost: 'Free' },
  emdat: { description: 'EM-DAT — natural disasters database', link: 'https://www.emdat.be', cost: 'Free registration' },
  twitter_trump: { description: 'X/Twitter Trump feed — speeches, tariff announcements', cost: 'Paid API ($100/mo+)' },
}

// ── Risk Profiles Component ───────────────────────────────────────────────────

const PROFILE_COLORS = [
  { value: '#22c55e', label: 'Green' },
  { value: '#3b82f6', label: 'Blue' },
  { value: '#f97316', label: 'Orange' },
  { value: '#ef4444', label: 'Red' },
  { value: '#8b5cf6', label: 'Purple' },
  { value: '#eab308', label: 'Yellow' },
]

function NextRunCountdown({ nextRunAt }: { nextRunAt: string }) {
  const [remaining, setRemaining] = useState('')

  useEffect(() => {
    function update() {
      const diff = new Date(nextRunAt + 'Z').getTime() - Date.now()
      if (diff <= 0) { setRemaining('Imminent…'); return }
      const h = Math.floor(diff / 3_600_000)
      const m = Math.floor((diff % 3_600_000) / 60_000)
      const s = Math.floor((diff % 60_000) / 1_000)
      setRemaining(h > 0 ? `${h}h ${m.toString().padStart(2,'0')}min` : `${m}min ${s.toString().padStart(2,'0')}s`)
    }
    update()
    const id = setInterval(update, 1_000)
    return () => clearInterval(id)
  }, [nextRunAt])

  const absTime = new Date(nextRunAt + 'Z').toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' })

  return (
    <div className="flex items-center gap-2 text-emerald-400/80">
      <span className="inline-block w-1.5 h-1.5 rounded-full bg-emerald-400 animate-pulse" />
      <span>Next cycle in <span className="font-mono font-semibold text-emerald-300">{remaining}</span></span>
      <span className="text-slate-600">({absTime} local time)</span>
    </div>
  )
}

function evNetLabel(evNet: number): { text: string; cls: string } {
  if (evNet > 0.05) return { text: `Net EV +${(evNet * 100).toFixed(0)}%`, cls: 'text-emerald-400' }
  if (evNet >= -0.01) return { text: 'Net EV ≈ 0', cls: 'text-yellow-400' }
  return { text: `Net EV ${(evNet * 100).toFixed(0)}%`, cls: 'text-slate-600' }
}

function ProfileRow({
  profile,
  onSave,
  onDelete,
}: {
  profile: any
  onSave: (p: any) => void
  onDelete: (id: number) => void
}) {
  const [editing, setEditing] = useState(false)
  const [name, setName] = useState(profile.name)
  const [score, setScore] = useState(profile.min_score)
  const [gain, setGain] = useState(profile.min_gain_pct)
  const [color, setColor] = useState(profile.color ?? '#3b82f6')
  const [enabled, setEnabled] = useState(profile.enabled !== 0)

  // Live EV computation
  const p = score / 100
  const G = gain / 100
  const denom = p * G + (1 - p)
  const ev_net = p * G - (1 - p)
  const trade_score = denom > 0 ? (p * G / denom * 100) : 0
  const { text: evText, cls: evCls } = evNetLabel(ev_net)

  const save = () => {
    onSave({ id: profile.id, name, min_score: score, min_gain_pct: gain, color, enabled, sort_order: profile.sort_order ?? 0 })
    setEditing(false)
  }

  if (!editing) {
    const { text: fev, cls: fevc } = evNetLabel(profile.ev_net_at_frontier ?? 0)
    return (
      <div className="flex items-center gap-3 py-2 px-3 rounded hover:bg-dark-700/40 group">
        <div className="w-2.5 h-2.5 rounded-full shrink-0" style={{ background: profile.color ?? '#3b82f6' }} />
        <div className="flex-1 min-w-0">
          <div className="flex items-center gap-2 flex-wrap">
            <span className={clsx('text-sm font-semibold', enabled ? 'text-slate-200' : 'text-slate-600')}>{profile.name}</span>
            {!enabled && <span className="text-[10px] text-slate-700 italic">disabled</span>}
            <span className="text-xs text-slate-500">Score ≥ <span className="text-slate-300 font-mono">{profile.min_score}</span></span>
            <span className="text-xs text-slate-500">Gain ≥ <span className="text-slate-300 font-mono">{profile.min_gain_pct}%</span></span>
            <span className={clsx('text-[11px] font-mono', fevc)}>{fev}</span>
            <span className="text-[11px] text-slate-600">Trade Score ≥ {(profile.trade_score_at_frontier ?? 0).toFixed(0)}</span>
          </div>
        </div>
        <div className="flex gap-1 opacity-0 group-hover:opacity-100 transition-opacity shrink-0">
          <button onClick={() => setEditing(true)}
            className="text-slate-600 hover:text-slate-300 p-1 rounded">
            <Pencil className="w-3 h-3" />
          </button>
          <button onClick={() => onDelete(profile.id)}
            className="text-slate-600 hover:text-red-400 p-1 rounded">
            <Trash2 className="w-3 h-3" />
          </button>
        </div>
      </div>
    )
  }

  return (
    <div className="bg-dark-700/60 rounded-lg p-3 border border-slate-600/40 space-y-3">
      <div className="grid grid-cols-3 gap-3">
        <div>
          <label className="text-[10px] text-slate-500 mb-1 block">Profile name</label>
          <input value={name} onChange={e => setName(e.target.value)}
            className="w-full bg-dark-800 border border-slate-700 rounded px-2 py-1 text-sm text-white" />
        </div>
        <div>
          <label className="text-[10px] text-slate-500 mb-1 block">Score min = <span className="text-blue-400 font-mono">{score}</span>/100</label>
          <input type="range" min="0" max="90" step="5" value={score}
            onChange={e => setScore(parseInt(e.target.value))}
            className="w-full accent-blue-500" />
        </div>
        <div>
          <label className="text-[10px] text-slate-500 mb-1 block">Gain min = <span className="text-blue-400 font-mono">{gain}%</span></label>
          <input type="range" min="10" max="2000" step="10" value={gain}
            onChange={e => setGain(parseFloat(e.target.value))}
            className="w-full accent-blue-500" />
        </div>
      </div>

      {/* Live EV preview */}
      <div className="bg-dark-800 rounded px-3 py-2 text-xs flex items-center gap-4 flex-wrap">
        <span className="text-slate-500">At the frontier (score={score}, gain={gain}%)</span>
        <span className={clsx('font-mono font-bold', evCls)}>{evText}</span>
        <span className="text-slate-600">Trade Score = <span className="text-slate-400">{trade_score.toFixed(1)}</span>/100</span>
        <span className="text-slate-600">
          Score min EV=0 : <span className="text-slate-400 font-mono">{Math.ceil(100 / (G + 1))}</span>/100
        </span>
      </div>

      <div className="flex items-center gap-3">
        <div className="flex gap-1.5">
          {PROFILE_COLORS.map(c => (
            <button key={c.value} onClick={() => setColor(c.value)}
              title={c.label}
              className={clsx('w-5 h-5 rounded-full border-2 transition-all',
                color === c.value ? 'border-white scale-110' : 'border-transparent opacity-60 hover:opacity-100')}
              style={{ background: c.value }} />
          ))}
        </div>
        <button onClick={() => setEnabled(!enabled)}
          className={clsx('text-xs px-2 py-0.5 rounded border transition-all',
            enabled ? 'border-emerald-600/40 text-emerald-400 bg-emerald-900/20' : 'border-slate-700 text-slate-600')}>
          {enabled ? '✓ Enabled' : '○ Disabled'}
        </button>
        <div className="ml-auto flex gap-2">
          <button onClick={() => setEditing(false)}
            className="text-xs text-slate-500 hover:text-slate-300 px-2 py-1">Cancel</button>
          <button onClick={save}
            className="text-xs bg-blue-600 hover:bg-blue-500 text-white px-3 py-1 rounded font-semibold">
            Save
          </button>
        </div>
      </div>
    </div>
  )
}

function RiskProfilesCard() {
  const { data: profileData, isLoading } = useRiskProfiles()
  const { mutate: upsert } = useUpsertProfile()
  const { mutate: del } = useDeleteProfile()
  const [showNew, setShowNew] = useState(false)
  const [newName, setNewName] = useState('')
  const [newScore, setNewScore] = useState(30)
  const [newGain, setNewGain] = useState(200)
  const [newColor, setNewColor] = useState('#3b82f6')

  const profiles: any[] = (profileData as any)?.profiles ?? []

  // Live preview for new profile
  const np = newScore / 100
  const nG = newGain / 100
  const nDenom = np * nG + (1 - np)
  const nEvNet = np * nG - (1 - np)
  const nTradeScore = nDenom > 0 ? (np * nG / nDenom * 100) : 0
  const nMinScore = Math.ceil(100 / (nG + 1))

  const saveNew = () => {
    if (!newName.trim()) return
    upsert({ name: newName, min_score: newScore, min_gain_pct: newGain, color: newColor, enabled: true, sort_order: profiles.length })
    setShowNew(false)
    setNewName('')
    setNewScore(30)
    setNewGain(200)
  }

  return (
    <div className="card bg-dark-700/20 mb-4">
      <div className="flex items-center justify-between mb-3">
        <div>
          <div className="text-sm font-semibold text-slate-300">Risk Profiles</div>
          <div className="text-[10px] text-slate-600 mt-0.5">
            A trade is logged in the journal if it passes <span className="text-slate-500">at least one</span> enabled profile
            · Formula: Net EV = (score/100 × gain/100) − (1 − score/100)
          </div>
        </div>
        <button onClick={() => setShowNew(true)}
          className="flex items-center gap-1 text-xs border border-blue-500/40 text-blue-400 hover:bg-blue-900/20 px-2.5 py-1 rounded">
          <Plus className="w-3 h-3" /> New profile
        </button>
      </div>

      {isLoading ? (
        <div className="h-16 animate-pulse bg-dark-700 rounded" />
      ) : profiles.length === 0 ? (
        <div className="text-center py-6 text-slate-600 text-sm">No profiles — all trades will be ignored</div>
      ) : (
        <div className="space-y-1">
          {profiles.map((p: any) => (
            <ProfileRow key={p.id} profile={p}
              onSave={data => upsert(data)}
              onDelete={id => del(id)} />
          ))}
        </div>
      )}

      {/* New profile form */}
      {showNew && (
        <div className="bg-dark-700/60 rounded-lg p-3 border border-blue-700/30 space-y-3 mt-3">
          <div className="flex items-center justify-between">
            <span className="text-xs font-semibold text-blue-400">New profile</span>
            <button onClick={() => setShowNew(false)} className="text-slate-600 hover:text-slate-400"><X className="w-3.5 h-3.5" /></button>
          </div>
          <div className="grid grid-cols-3 gap-3">
            <div>
              <label className="text-[10px] text-slate-500 mb-1 block">Name</label>
              <input value={newName} onChange={e => setNewName(e.target.value)} placeholder="e.g. Ultra-aggressive"
                className="w-full bg-dark-800 border border-slate-700 rounded px-2 py-1 text-sm text-white placeholder:text-slate-700" />
            </div>
            <div>
              <label className="text-[10px] text-slate-500 mb-1 block">Score min = <span className="text-blue-400 font-mono">{newScore}</span></label>
              <input type="range" min="0" max="90" step="5" value={newScore}
                onChange={e => setNewScore(parseInt(e.target.value))} className="w-full accent-blue-500" />
            </div>
            <div>
              <label className="text-[10px] text-slate-500 mb-1 block">Gain min = <span className="text-blue-400 font-mono">{newGain}%</span></label>
              <input type="range" min="10" max="2000" step="10" value={newGain}
                onChange={e => setNewGain(parseFloat(e.target.value))} className="w-full accent-blue-500" />
            </div>
          </div>

          {/* Live math */}
          <div className="bg-dark-800 rounded px-3 py-2 text-xs flex items-center gap-4 flex-wrap">
            <span className={clsx('font-mono font-bold', evNetLabel(nEvNet).cls)}>{evNetLabel(nEvNet).text}</span>
            <span className="text-slate-600">Trade Score = <span className="text-slate-400">{nTradeScore.toFixed(1)}</span>/100</span>
            <span className="text-slate-700">Min score for EV=0 with gain {newGain}% : <span className="text-slate-500 font-mono">{nMinScore}</span>/100</span>
          </div>

          <div className="flex items-center gap-3">
            <div className="flex gap-1.5">
              {PROFILE_COLORS.map(c => (
                <button key={c.value} onClick={() => setNewColor(c.value)} title={c.label}
                  className={clsx('w-5 h-5 rounded-full border-2 transition-all',
                    newColor === c.value ? 'border-white scale-110' : 'border-transparent opacity-60 hover:opacity-100')}
                  style={{ background: c.value }} />
              ))}
            </div>
            <div className="ml-auto flex gap-2">
              <button onClick={() => setShowNew(false)} className="text-xs text-slate-500 hover:text-slate-300 px-2 py-1">Cancel</button>
              <button onClick={saveNew} disabled={!newName.trim()}
                className="text-xs bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white px-3 py-1 rounded font-semibold">
                Create
              </button>
            </div>
          </div>
        </div>
      )}

      {/* Frontier visualization */}
      {profiles.length > 0 && (
        <div className="mt-3 pt-3 border-t border-slate-700/30">
          <div className="text-[10px] text-slate-600 mb-2">Acceptance frontier — each point represents the minimum required per profile</div>
          <div className="flex flex-wrap gap-2">
            {profiles.filter((p: any) => p.enabled).map((p: any) => {
              const { text: ev, cls } = evNetLabel(p.ev_net_at_frontier ?? 0)
              return (
                <div key={p.id} className="flex items-center gap-2 bg-dark-700 rounded px-2.5 py-1.5 text-xs">
                  <div className="w-2 h-2 rounded-full" style={{ background: p.color }} />
                  <span className="text-slate-400 font-semibold">{p.name}</span>
                  <span className="font-mono text-slate-500">{p.min_score}pts</span>
                  <span className="text-slate-600">×</span>
                  <span className="font-mono text-slate-500">{p.min_gain_pct}%</span>
                  <span className={clsx('font-mono text-[10px]', cls)}>→ {ev}</span>
                </div>
              )
            })}
          </div>
        </div>
      )}
    </div>
  )
}

function WatchlistCard() {
  const { data: items, isLoading } = useInstrumentsWatchlist()
  const { mutateAsync: addTicker, isPending: adding } = useAddWatchlistInstrument()
  const { mutate: removeTicker } = useRemoveWatchlistInstrument()
  const [input, setInput] = useState('')
  const [error, setError] = useState('')

  const handleAdd = async () => {
    const sym = input.trim().toUpperCase()
    if (!sym) return
    setError('')
    const check = await validateTicker(sym)
    if (!check.valid) {
      setError(check.reason ?? 'Ticker not found')
      return
    }
    try {
      await addTicker(sym)
      setInput('')
    } catch (e: unknown) {
      const msg = (e as any)?.response?.data?.detail ?? (e as { message?: string })?.message ?? 'Could not add ticker'
      setError(msg)
    }
  }

  const list: any[] = items ?? []

  return (
    <div className="card bg-dark-700/20 mb-4">
      <div className="flex items-center justify-between mb-3">
        <div>
          <div className="text-sm font-semibold text-slate-300 flex items-center gap-1.5">
            <Radar className="w-4 h-4 text-blue-400" /> Instruments Watchlist
          </div>
          <div className="text-[10px] text-slate-600 mt-0.5">
            Instruments surveillés pour le radar du Dashboard et les highlights Options Lab — liste indépendante des autres watchlists (Markets, Options Lab, InstrumentModels).
          </div>
        </div>
      </div>

      <div className="flex items-center gap-2 mb-3">
        <input
          value={input}
          onChange={e => setInput(e.target.value)}
          onKeyDown={e => e.key === 'Enter' && handleAdd()}
          placeholder="Ticker (ex. AAPL, EURUSD=X, ^GSPC)"
          className="bg-dark-800 border border-slate-700/40 rounded px-3 py-1.5 text-xs text-white w-64 focus:outline-none focus:border-blue-500/50"
        />
        <button onClick={handleAdd} disabled={adding || !input.trim()}
          className="flex items-center gap-1 px-3 py-1.5 rounded text-xs bg-blue-600 text-white hover:bg-blue-500 disabled:opacity-40 transition-colors">
          <Plus className="w-3.5 h-3.5" /> Add
        </button>
      </div>
      {error && <div className="text-[10px] text-red-400 mb-3">{error}</div>}

      {isLoading ? (
        <div className="text-xs text-slate-600">Loading…</div>
      ) : list.length === 0 ? (
        <div className="text-xs text-slate-600">No instrument watched yet.</div>
      ) : (
        <div className="space-y-1.5">
          {list.map(item => (
            <div key={item.ticker} className="flex items-center justify-between bg-dark-800/60 rounded px-3 py-1.5">
              <div className="flex items-center gap-2 min-w-0">
                <span className="text-xs font-mono font-bold text-white">{item.ticker}</span>
                <span className="text-[10px] text-slate-500 truncate">{item.name}</span>
                <span className="text-[9px] text-slate-700 bg-dark-700 px-1.5 py-0.5 rounded capitalize">{item.asset_class}</span>
              </div>
              <button onClick={() => removeTicker(item.ticker)} className="text-slate-600 hover:text-red-400 transition-colors">
                <X className="w-3.5 h-3.5" />
              </button>
            </div>
          ))}
        </div>
      )}
    </div>
  )
}

// ── Saxo OpenAPI connection ────────────────────────────────────────────────────

function timeUntil(iso?: string): string {
  if (!iso) return ''
  const ms = new Date(iso).getTime() - Date.now()
  if (ms <= 0) return 'expiré'
  const min = Math.round(ms / 60000)
  return min < 60 ? `${min} min` : `${(min / 60).toFixed(1)} h`
}

function SaxoConnectionCard() {
  const qc = useQueryClient()
  const { data: status } = useSaxoStatus()
  const { data: watchlistData } = useSaxoWatchlist()
  const disconnect = useDisconnectSaxo()
  const updateWatchlist = useUpdateSaxoWatchlist()
  const snapshotNow = useSnapshotSaxoNow()
  const { data: validation, refetch: runValidation, isFetching: validating } = useValidateSaxoWatchlist()
  const { data: catalogSummary } = useSaxoCatalogSummary()
  const refreshCatalog = useRefreshSaxoCatalog()
  const { data: settings } = useSaxoSettings()
  const updateSettings = useUpdateSaxoSettings()
  const snapshotAllNow = useSnapshotAllSaxoNow()
  const [input, setInput] = useState('')
  const [snapMsg, setSnapMsg] = useState('')
  const { data: catalogMatches } = useSaxoCatalog(undefined, input.length >= 2 ? input : undefined)
  const testQuote = useTestSaxoQuote()
  const [quoteSymbol, setQuoteSymbol] = useState('EURUSD')
  const [quoteAssetType, setQuoteAssetType] = useState('FxSpot')
  const expandWatchlist = useExpandSaxoWatchlist()
  const [expandKeyword, setExpandKeyword] = useState('')
  const [expandMsg, setExpandMsg] = useState('')

  useEffect(() => {
    const params = new URLSearchParams(window.location.search)
    if (params.has('saxo_connected') || params.has('saxo_error')) {
      qc.invalidateQueries({ queryKey: ['saxo-status'] })
      setSnapMsg(params.has('saxo_connected') ? '✓ Connecté à Saxo' : "✗ Échec de la connexion Saxo — vérifiez l'App Secret dans backend/.env")
      params.delete('saxo_connected'); params.delete('saxo_error')
      const qs = params.toString()
      window.history.replaceState({}, '', window.location.pathname + (qs ? `?${qs}` : ''))
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [])

  const symbols = watchlistData?.symbols ?? []

  const addSymbol = () => {
    const sym = input.trim().toUpperCase()
    if (!sym || symbols.includes(sym)) return
    updateWatchlist.mutate([...symbols, sym])
    setInput('')
  }

  // Guarded by isPending everywhere it's called from the UI: each call captures `symbols`
  // from the current render, so firing a second mutation before the first one's
  // invalidateQueries/refetch completes reads a stale list and undoes the first removal
  // once it resolves — confirmed as the cause of rapid multi-click removals "coming back".
  const removeSymbol = (sym: string) => updateWatchlist.mutate(symbols.filter(s => s !== sym))
  const clearAllSymbols = () => {
    if (symbols.length === 0) return
    if (!window.confirm(`Effacer les ${symbols.length} ticker(s) de la watchlist Saxo ?`)) return
    updateWatchlist.mutate([])
  }

  const handleExpandWatchlist = async () => {
    const kw = expandKeyword.trim()
    if (!kw) return
    setExpandMsg('')
    try {
      const r = await expandWatchlist.mutateAsync(kw)
      setExpandMsg(r.added.length
        ? `✓ ${r.added.length} ticker(s) ajouté(s) : ${r.added.join(', ')}`
        : `○ Aucun nouveau ticker pour "${kw}" (déjà présents, ou rafraîchissez le catalogue)`)
      setExpandKeyword('')
    } catch (e: any) {
      setExpandMsg(`✗ ${e?.response?.data?.detail ?? 'échec'}`)
    }
  }

  const handleSnapshotNow = async (sym: string) => {
    setSnapMsg('')
    try {
      const r = await snapshotNow.mutateAsync(sym)
      setSnapMsg(`✓ ${sym} — ${r.rows_saved} lignes enregistrées`)
    } catch (e: any) {
      setSnapMsg(`✗ ${sym} — ${e?.response?.data?.detail ?? 'échec'}`)
    }
  }

  const handleSnapshotAllNow = async () => {
    setSnapMsg('')
    try {
      const r = await snapshotAllNow.mutateAsync()
      const total = Object.values(r.results).reduce((a, b) => a + b, 0)
      setSnapMsg(`✓ Watchlist entière — ${total} lignes enregistrées (${Object.keys(r.results).length} symboles)`)
    } catch (e: any) {
      setSnapMsg(`✗ ${e?.response?.data?.detail ?? 'échec'}`)
    }
  }

  return (
    <div className="card">
      <div className="flex items-center justify-between mb-3">
        <div className="section-title mb-0 flex items-center gap-1">
          <Link2 className="w-3 h-3" /> Saxo OpenAPI ({(status?.environment ?? 'sim').toUpperCase()})
        </div>
        <span className={clsx('badge', status?.connected ? 'badge-green' : 'badge-red')}>
          {status?.connected ? 'Connecté' : 'Déconnecté'}
        </span>
      </div>

      {!status?.configured && (
        <div className="text-xs text-amber-400 bg-amber-900/10 border border-amber-700/30 rounded px-3 py-2 mb-3">
          SAXO_APP_KEY / SAXO_APP_SECRET manquants dans backend/.env — ajoutez-les puis redémarrez le backend.
        </div>
      )}

      {status?.connected && (
        <div className="text-xs text-slate-500 mb-3 space-y-0.5">
          <div>Token valide encore <span className="text-slate-300">{timeUntil(status.expires_at)}</span></div>
          <div>Rafraîchi automatiquement en tâche de fond — pas besoin de te reconnecter.</div>
        </div>
      )}

      <div className="flex items-center gap-2 mb-4">
        {status?.connected ? (
          <button
            onClick={() => disconnect.mutate()}
            disabled={disconnect.isPending}
            className="flex items-center gap-1.5 bg-dark-700 hover:bg-dark-600 border border-slate-700/50 text-slate-300 px-3 py-1.5 rounded text-xs font-semibold disabled:opacity-40"
          >
            <Unlink className="w-3.5 h-3.5" /> Déconnecter
          </button>
        ) : (
          <a
            href="/oauth/saxo/login"
            className={clsx(
              'flex items-center gap-1.5 px-3 py-1.5 rounded text-xs font-semibold text-white',
              status?.configured ? 'bg-blue-600 hover:bg-blue-500' : 'bg-dark-700 opacity-40 pointer-events-none',
            )}
          >
            <Link2 className="w-3.5 h-3.5" /> Se connecter à Saxo
          </a>
        )}
      </div>

      <div className="flex items-center justify-between mb-2">
        <div className="text-xs text-slate-500 flex items-center gap-2">
          <span>Watchlist snapshotée toutes les</span>
          <input
            type="number" min={1} max={120}
            value={settings?.snapshot_minutes ?? ''}
            onChange={e => updateSettings.mutate(parseFloat(e.target.value) || 5)}
            className="w-14 bg-dark-800 border border-slate-700/40 rounded px-1.5 py-0.5 text-xs text-white text-center"
          />
          <span>min (historique Date/Spot/Expiry/Strike/Bid/Ask/Mid/VolatilityPct/Greeks) :</span>
        </div>
        <div className="flex items-center gap-2 shrink-0">
          <button
            onClick={handleSnapshotAllNow}
            disabled={!status?.connected || snapshotAllNow.isPending}
            title="Snapshot immédiat de toute la watchlist, sans attendre le prochain cycle"
            className="flex items-center gap-1 text-xs text-slate-400 hover:text-slate-200 border border-slate-700/50 px-2 py-1 rounded disabled:opacity-40"
          >
            <RefreshCw className={clsx('w-3.5 h-3.5', snapshotAllNow.isPending && 'animate-spin')} /> Rafraîchir maintenant
          </button>
          <button
            onClick={() => runValidation()}
            disabled={!status?.connected || validating}
            title="Vérifie que chaque symbole résout bien vers un vrai instrument Saxo"
            className="flex items-center gap-1 text-xs text-slate-400 hover:text-slate-200 border border-slate-700/50 px-2 py-1 rounded disabled:opacity-40"
          >
            <ShieldCheck className={clsx('w-3.5 h-3.5', validating && 'animate-pulse')} /> Vérifier l'orthographe
          </button>
          <Link to="/saxo-history" className="flex items-center gap-1 text-xs text-blue-400 hover:text-blue-300">
            <ExternalLink className="w-3.5 h-3.5" /> Historique
          </Link>
        </div>
      </div>
      <div className="flex items-center justify-between mb-2">
        <div className="text-[10px] text-slate-600">
          Catalogue local (Futures/FX — tickers Saxo non-évidents, ex. Or = <code>OG:xcme</code>) :{' '}
          {(catalogSummary ?? []).map(s => `${s.asset_type} (${s.count})`).join(' · ') || 'vide'}
        </div>
        <button
          onClick={() => refreshCatalog.mutate(undefined)}
          disabled={!status?.connected || refreshCatalog.isPending}
          className="flex items-center gap-1 text-[10px] text-slate-400 hover:text-slate-200 border border-slate-700/50 px-2 py-1 rounded disabled:opacity-40"
        >
          <RefreshCw className={clsx('w-3 h-3', refreshCatalog.isPending && 'animate-spin')} /> Rafraîchir le catalogue
        </button>
      </div>
      <div className="flex items-center gap-2 mb-2">
        <input
          value={input}
          onChange={e => setInput(e.target.value)}
          onKeyDown={e => e.key === 'Enter' && addSymbol()}
          placeholder="Symbole (ex. SPY, ou tape pour chercher dans le catalogue)"
          list="saxo-catalog-datalist"
          className="bg-dark-800 border border-slate-700/40 rounded px-3 py-1.5 text-xs text-white w-72 focus:outline-none focus:border-blue-500/50"
        />
        <datalist id="saxo-catalog-datalist">
          {(catalogMatches ?? []).map(m => (
            <option key={m.uic} value={m.symbol}>{m.description} ({m.asset_type})</option>
          ))}
        </datalist>
        <button onClick={addSymbol} disabled={!input.trim() || updateWatchlist.isPending}
          className="flex items-center gap-1 px-3 py-1.5 rounded text-xs bg-blue-600 text-white hover:bg-blue-500 disabled:opacity-40">
          <Plus className="w-3.5 h-3.5" /> Ajouter
        </button>
      </div>
      <div className="flex items-center gap-2 mb-2">
        <input
          value={expandKeyword}
          onChange={e => setExpandKeyword(e.target.value)}
          onKeyDown={e => e.key === 'Enter' && handleExpandWatchlist()}
          placeholder="Mot-clé sous-jacent (ex. EURUSD, Gold, Brent)"
          className="bg-dark-800 border border-slate-700/40 rounded px-3 py-1.5 text-xs text-white w-72 focus:outline-none focus:border-blue-500/50"
        />
        <button
          onClick={handleExpandWatchlist}
          disabled={!expandKeyword.trim() || expandWatchlist.isPending}
          title="Ajoute toutes les maturités/racines du catalogue correspondant à ce mot-clé (pas besoin de connaître chaque ticker exact)"
          className="flex items-center gap-1 px-3 py-1.5 rounded text-xs bg-dark-700 hover:bg-dark-600 border border-slate-700/50 text-slate-300 disabled:opacity-40"
        >
          <Plus className="w-3.5 h-3.5" /> Ajouter toutes les maturités
        </button>
      </div>
      {expandMsg && <div className="text-[10px] text-slate-500 mb-2">{expandMsg}</div>}
      {symbols.length > 0 && (
        <div className="flex justify-end mb-1.5">
          <button onClick={clearAllSymbols} disabled={updateWatchlist.isPending}
            title="Retire tous les tickers de la watchlist en un seul appel"
            className="flex items-center gap-1 px-2 py-1 rounded text-[10px] border border-red-700/40 text-red-400 hover:bg-red-900/20 disabled:opacity-40">
            <Trash2 className="w-3 h-3" /> Tout effacer ({symbols.length})
          </button>
        </div>
      )}
      <div className="flex flex-wrap gap-1.5">
        {symbols.map(sym => {
          const check = validation?.find(v => v.symbol === sym.toUpperCase())
          return (
            <span key={sym} className={clsx('badge flex items-center gap-1.5',
              check ? (check.valid ? 'badge-green' : 'badge-red') : 'badge-blue')}
              title={check ? (check.valid
                ? `Résolu: ${check.matched_symbol ?? '?'} — ${check.description ?? ''} (${check.asset_type ?? '?'}, Uic ${check.uic})`
                : check.error ?? 'Symbole non résolu par Saxo') : undefined}
            >
              {sym}
              {check && (check.valid ? <CheckCircle className="w-3 h-3" /> : <XCircle className="w-3 h-3" />)}
              <button onClick={() => handleSnapshotNow(sym)} title="Snapshot maintenant" className="hover:text-white">
                <Camera className="w-3 h-3" />
              </button>
              <button onClick={() => removeSymbol(sym)} disabled={updateWatchlist.isPending} className="disabled:opacity-40">
                <X className="w-3 h-3" />
              </button>
            </span>
          )
        })}
      </div>
      {snapMsg && <div className="text-[10px] text-slate-500 mt-2">{snapMsg}</div>}

      <div className="mt-4 pt-3 border-t border-slate-700/30">
        <div className="text-xs text-slate-500 mb-2">
          Tester un prix hors options (isole si un blocage est spécifique aux options ou plus large) :
        </div>
        <div className="flex items-center gap-2">
          <input
            value={quoteSymbol}
            onChange={e => setQuoteSymbol(e.target.value.toUpperCase())}
            placeholder="EURUSD"
            className="bg-dark-800 border border-slate-700/40 rounded px-3 py-1.5 text-xs text-white w-32 focus:outline-none focus:border-blue-500/50"
          />
          <select
            value={quoteAssetType}
            onChange={e => setQuoteAssetType(e.target.value)}
            className="bg-dark-800 border border-slate-700/40 rounded px-2 py-1.5 text-xs text-white"
          >
            <option value="FxSpot">FxSpot</option>
            <option value="Stock">Stock</option>
            <option value="StockIndex">StockIndex</option>
            <option value="ContractFutures">ContractFutures</option>
          </select>
          <button
            onClick={() => testQuote.mutate({ symbol: quoteSymbol, assetType: quoteAssetType })}
            disabled={!status?.connected || !quoteSymbol.trim() || testQuote.isPending}
            className="flex items-center gap-1 px-3 py-1.5 rounded text-xs bg-dark-700 hover:bg-dark-600 border border-slate-700/50 text-slate-300 disabled:opacity-40"
          >
            <RefreshCw className={clsx('w-3.5 h-3.5', testQuote.isPending && 'animate-spin')} /> Tester
          </button>
        </div>
        {testQuote.isSuccess && (
          <div className="text-xs text-emerald-400 mt-2">
            ✓ {testQuote.data.symbol} ({testQuote.data.description}) — Bid {testQuote.data.bid} / Ask {testQuote.data.ask}
            <span className="text-slate-600"> · {testQuote.data.price_source}</span>
          </div>
        )}
        {testQuote.isError && (
          <div className="text-xs text-red-400 mt-2">
            ✗ {(testQuote.error as any)?.response?.data?.detail ?? 'échec'}
          </div>
        )}
      </div>
    </div>
  )
}

// ── Cycle step config — generic renderer driven by GET /api/cycle/step-catalog ─
// Same declarative pattern as AI Desks' SIGNAL_CATALOG/SignalToggle: adding a new
// knob to CYCLE_STEP_CATALOG (backend) needs zero new frontend code here.
function CycleStepRow({
  step, value, onChange,
}: {
  step: CycleStepDef
  value: Record<string, any>
  onChange: (v: Record<string, any>) => void
}) {
  const [open, setOpen] = useState(false)
  const hasToggle = 'enabled' in step.params
  const enabled = hasToggle ? (value.enabled ?? step.params.enabled.default) : true
  const otherParams = Object.entries(step.params).filter(([k]) => k !== 'enabled')
  const update = (key: string, val: any) => onChange({ ...value, [key]: val })

  return (
    <div className={clsx('rounded-lg border transition-colors', enabled ? 'border-cyan-700/40 bg-cyan-900/10' : 'border-slate-700/30 bg-dark-800/60')}>
      <div className="flex items-center gap-3 px-3 py-2.5">
        {hasToggle ? (
          <button onClick={() => update('enabled', !enabled)} className="shrink-0 text-xs px-2 py-1 rounded border font-semibold"
            style={{ borderColor: enabled ? '#22d3ee88' : '#47556955', color: enabled ? '#22d3ee' : '#64748b' }}>
            {enabled ? 'ON' : 'OFF'}
          </button>
        ) : (
          <span className="w-2 h-2 rounded-full bg-slate-600 shrink-0" />
        )}
        <div className="flex-1 min-w-0">
          <div className={clsx('text-sm font-medium', enabled ? 'text-white' : 'text-slate-500')}>{step.label}</div>
          <div className="text-xs text-slate-600 truncate">{step.description}</div>
        </div>
        {enabled && otherParams.length > 0 && (
          <button onClick={() => setOpen(o => !o)} className="text-slate-500 hover:text-slate-300 text-xs shrink-0">
            {open ? '▲' : '▼'}
          </button>
        )}
      </div>
      {open && enabled && otherParams.length > 0 && (
        <div className="px-4 pb-3 space-y-2 border-t border-slate-700/20 pt-2">
          {otherParams.map(([key, p]) => (
            <div key={key} className="flex items-center gap-3">
              <label className="text-xs text-slate-400 w-40 shrink-0">{p.label ?? key}</label>
              <input
                type="number"
                min={p.min}
                max={p.max}
                step={p.type === 'float' ? 0.01 : 1}
                value={value[key] ?? p.default}
                onChange={e => update(key, p.type === 'float' ? parseFloat(e.target.value) : parseInt(e.target.value))}
                className="w-28 bg-dark-900 border border-slate-700/40 rounded px-2 py-1 text-xs text-white"
              />
            </div>
          ))}
        </div>
      )}
    </div>
  )
}

export default function Config() {
  const { data: sources, isLoading } = useSources()
  const { data: config } = useConfig()
  const { data: aiStatus } = useAiStatus()
  const { data: analysisCfg } = useAnalysisConfig()
  const { mutate: updateSources, isPending: savingSources } = useUpdateSources()
  const { mutate: updateApiKeys, isPending: savingKeys } = useUpdateApiKeys()
  const { mutate: saveAnalysis, isPending: savingAnalysis } = useSaveAnalysisConfig()
  const { data: cycleStatus, refetch: refetchCycle } = useCycleStatus()
  const { mutate: updateCycleConfig, isPending: savingCycle } = useUpdateCycleConfig()
  const { mutate: triggerCycle, isPending: triggeringCycle } = useTriggerCycle()
  const { data: exitDefaultsData } = useExitDefaults()
  const { mutate: saveExitDefaults, isPending: savingExitDefaults } = useSaveExitDefaults()
  const { data: optionsGateData } = useOptionsGate()
  const { mutate: saveOptionsGate, isPending: savingOptionsGate } = useSaveOptionsGate()

  const [localSources, setLocalSources] = useState<Record<string, any> | null>(null)
  const [openaiKey, setOpenaiKey] = useState('')
  const [newsapiKey, setNewsapiKey] = useState('')
  const [eiaKey, setEiaKey] = useState('')
  const [fredKey, setFredKey] = useState('')
  const [fmpKey, setFmpKey] = useState('')
  const [calendarRefreshH, setCalendarRefreshH] = useState(6)
  const [showKeys, setShowKeys] = useState(false)
  const [savedMsg, setSavedMsg] = useState('')
  const [configTab, setConfigTab] = useState<'ia' | 'cycle' | 'sources' | 'options' | 'profiles' | 'watchlist' | 'data'>('ia')

  // IV gate local state
  const [ivGateEnabled, setIvGateEnabled] = useState(true)
  const [ivGateHigh, setIvGateHigh] = useState(60)
  const [ivGateExtreme, setIvGateExtreme] = useState(80)
  const [ivGateSkew, setIvGateSkew] = useState(8)

  // Tech indicators local state
  const { data: techIndicatorsData } = useTechIndicatorsConfig()
  const { mutate: saveTechIndicators, isPending: savingTechIndicators } = useSaveTechIndicatorsConfig()
  const [techEnabled, setTechEnabled] = useState(true)
  const [techAutoCalibrate, setTechAutoCalibrate] = useState(true)
  const [techList, setTechList] = useState<string[]>(['rsi', 'ma', 'bollinger', 'atr'])

  // Analysis config local state
  const [analysisTopN, setAnalysisTopN] = useState(10)
  const [analysisCategoryDefault, setAnalysisCategoryDefault] = useState('all')
  const [analysisTemplate, setAnalysisTemplate] = useState('')

  // Exit defaults local state
  const [exitTarget, setExitTarget] = useState(30)
  const [exitStop, setExitStop] = useState(-50)
  const [exitSignalMode, setExitSignalMode] = useState('badge_only')
  const [exitSignalThreshold, setExitSignalThreshold] = useState(25)
  useEffect(() => {
    const ed = exitDefaultsData as any
    if (ed) {
      setExitTarget(ed.target_pct ?? 30)
      setExitStop(ed.stop_loss_pct ?? -50)
      setExitSignalMode(ed.signal_reversal_mode ?? 'badge_only')
      setExitSignalThreshold(ed.signal_reversal_threshold ?? 25)
    }
  }, [exitDefaultsData])

  // VaR + PnL scheduler state
  const qc = useQueryClient()
  const { data: schedStatus, refetch: refetchSched } = useQuery({
    queryKey: ['sched-status'],
    queryFn: () => fetch(`${API}/api/var/scheduler/status`).then(r => r.json()),
    staleTime: 30_000,
    retry: 1,
  })
  const [varSchedEnabled, setVarSchedEnabled] = useState(false)
  const [varSchedHours, setVarSchedHours] = useState(6)
  const [pnlSchedEnabled, setPnlSchedEnabled] = useState(false)
  const [pnlSchedHours, setPnlSchedHours] = useState(1)
  useEffect(() => {
    if (schedStatus) {
      setVarSchedEnabled(schedStatus.var?.enabled ?? false)
      setVarSchedHours(schedStatus.var?.hours ?? 6)
      setPnlSchedEnabled(schedStatus.pnl?.enabled ?? false)
      setPnlSchedHours(schedStatus.pnl?.hours ?? 1)
    }
  }, [schedStatus])
  const { mutate: saveSchedConfig, isPending: savingSched } = useMutation({
    mutationFn: (cfg: any) => fetch(`${API}/api/var/scheduler/config`, {
      method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(cfg),
    }).then(r => r.json()),
    onSuccess: () => { refetchSched(); setSavedMsg('Schedulers saved'); setTimeout(() => setSavedMsg(''), 2000) },
  })
  const { mutate: triggerVarNow, isPending: triggeringVar } = useMutation({
    mutationFn: () => fetch(`${API}/api/var/run-now`, { method: 'POST' }).then(r => r.json()),
    onSuccess: () => { setSavedMsg('VaR snapshot saved'); setTimeout(() => setSavedMsg(''), 2000) },
  })
  const { mutate: triggerPnlNow, isPending: triggeringPnl } = useMutation({
    mutationFn: () => fetch(`${API}/api/var/pnl/run-now`, { method: 'POST' }).then(r => r.json()),
    onSuccess: () => { setSavedMsg('PnL snapshot saved'); setTimeout(() => setSavedMsg(''), 2000) },
  })

  // Auto-cycle local state
  const cs = cycleStatus as any
  const [cycleEnabled, setCycleEnabled] = useState(false)
  const [cycleHours, setCycleHours] = useState(3)
  const [cycleSimilarity, setCycleSimilarity] = useState(0.30)
  const [minEv, setMinEv] = useState(0.0)
  const [minScore, setMinScore] = useState(0)
  const [tradeBudget, setTradeBudget] = useState(5000)
  const [horizonMin, setHorizonMin] = useState(30)
  const [horizonMax, setHorizonMax] = useState(180)
  const [retentionDays, setRetentionDays] = useState(90)
  const [maturityThreshold, setMaturityThreshold] = useState(35)
  const [weekendEnabled, setWeekendEnabled] = useState(true)
  const [weekendTimes, setWeekendTimes] = useState<string[]>(['08:00', '22:00'])
  const [stepConfig, setStepConfig] = useState<Record<string, Record<string, any>>>({})
  const { data: stepCatalog } = useCycleStepCatalog()
  useEffect(() => {
    if (cs) {
      setCycleEnabled(cs.enabled ?? false)
      setCycleHours(cs.interval_hours ?? 3)
      setCycleSimilarity(cs.similarity_threshold ?? 0.30)
      setMinEv(cs.min_ev_threshold ?? 0.0)
      setMinScore(cs.min_score_threshold ?? 0)
      setTradeBudget(cs.trade_budget_eur ?? 5000)
      setHorizonMin(cs.preferred_horizon_min ?? 30)
      setHorizonMax(cs.preferred_horizon_max ?? 180)
      setRetentionDays(cs.journal_retention_days ?? 90)
      setMaturityThreshold(cs.maturity_threshold_pct ?? 35)
      setWeekendEnabled(cs.weekend_cycle_enabled ?? true)
      const times = (cs.weekend_cycle_times || '08:00,22:00').split(',').map((t: string) => t.trim()).filter(Boolean)
      setWeekendTimes(times)
      if (cs.cycle_step_config) setStepConfig(cs.cycle_step_config)
    }
  }, [cs])

  useEffect(() => {
    if (analysisCfg) {
      setAnalysisTopN(analysisCfg.top_n ?? 10)
      setAnalysisCategoryDefault(analysisCfg.category_filter ?? 'all')
      setAnalysisTemplate(analysisCfg.template ?? '')
    }
  }, [analysisCfg])

  useEffect(() => {
    if (optionsGateData) {
      setIvGateEnabled(optionsGateData.iv_gate_enabled ?? true)
      setIvGateHigh(optionsGateData.iv_gate_ivr_high ?? 60)
      setIvGateExtreme(optionsGateData.iv_gate_ivr_extreme ?? 80)
      setIvGateSkew(optionsGateData.iv_gate_skew_threshold ?? 8)
    }
  }, [optionsGateData])

  useEffect(() => {
    if (config?.calendar_refresh_h) {
      const h = parseFloat(config.calendar_refresh_h)
      if (!isNaN(h)) setCalendarRefreshH(h)
    }
  }, [config])

  useEffect(() => {
    if (techIndicatorsData) {
      setTechEnabled(techIndicatorsData.tech_indicators_enabled ?? true)
      setTechAutoCalibrate(techIndicatorsData.tech_indicators_auto_calibrate ?? true)
      const list = (techIndicatorsData.tech_indicators_list || 'rsi,ma,bollinger,atr').split(',').map((s: string) => s.trim()).filter(Boolean)
      setTechList(list)
    }
  }, [techIndicatorsData])

  const displaySources = localSources ?? sources ?? {}

  const toggleSource = (key: string) => {
    setLocalSources(prev => {
      const base = prev ?? sources ?? {}
      return { ...base, [key]: { ...base[key], enabled: !base[key]?.enabled } }
    })
  }

  const saveSources = () => {
    updateSources(displaySources, {
      onSuccess: () => { setSavedMsg('Sources saved'); setTimeout(() => setSavedMsg(''), 2000) }
    })
  }

  const saveKeys = () => {
    const keys: Record<string, string> = {}
    if (openaiKey) keys.openai_api_key = openaiKey
    if (newsapiKey) keys.newsapi_key = newsapiKey
    if (eiaKey) keys.eia_api_key = eiaKey
    if (fredKey) keys.fred_api_key = fredKey
    if (fmpKey) keys.fmp_api_key = fmpKey
    updateApiKeys(keys, {
      onSuccess: () => {
        setSavedMsg('API keys saved')
        setTimeout(() => setSavedMsg(''), 2000)
        setOpenaiKey(''); setNewsapiKey(''); setEiaKey(''); setFredKey(''); setFmpKey('')
      }
    })
  }

  const CONFIG_TABS = [
    { key: 'ia',       label: 'AI & Analysis',          icon: Brain },
    { key: 'cycle',    label: 'Auto-Cycle & Logging',   icon: Zap },
    { key: 'sources',  label: 'Sources',                icon: Globe },
    { key: 'options',  label: 'Options — Settings',     icon: TrendingUp },
    { key: 'profiles', label: 'Risk Profiles',          icon: SlidersHorizontal },
    { key: 'watchlist', label: 'Watchlist',             icon: Radar },
    { key: 'data',     label: 'Data Management',        icon: DatabaseBackup },
  ] as const

  return (
    <div className="p-6 space-y-5">
      <div className="flex items-center justify-between">
        <div>
          <h1 className="text-xl font-bold text-white flex items-center gap-2">
            <Settings className="w-5 h-5 text-blue-400" /> Configuration
          </h1>
          <p className="text-xs text-slate-500 mt-0.5">API keys, sources, AI &amp; cycle settings</p>
        </div>
        {savedMsg && (
          <div className="flex items-center gap-2 text-emerald-400 text-sm bg-emerald-900/10 border border-emerald-700/30 rounded px-3 py-1.5">
            <CheckCircle className="w-4 h-4" /> {savedMsg}
          </div>
        )}
      </div>

      {/* Tab navigation */}
      <div className="flex gap-1 bg-dark-700 p-1 rounded w-fit">
        {CONFIG_TABS.map(({ key, label, icon: Icon }) => (
          <button key={key} onClick={() => setConfigTab(key as any)}
            className={clsx('flex items-center gap-1.5 px-3 py-1.5 rounded text-sm transition-colors', {
              'bg-blue-600 text-white': configTab === key,
              'text-slate-400 hover:text-slate-200': configTab !== key,
            })}>
            <Icon className="w-3.5 h-3.5" />
            {label}
          </button>
        ))}
      </div>

      {/* ── IA & Analyse ── */}
      {configTab === 'ia' && (
        <div className="grid grid-cols-2 gap-6">
          <div className="space-y-4">
          {/* AI Status */}
          <div className={clsx('card', aiStatus?.enabled ? 'border-emerald-700/40' : 'border-slate-700/40')}>
            <div className="section-title flex items-center gap-1"><Key className="w-3 h-3" /> AI Status</div>
            <div className="flex items-center gap-3 mb-3">
              {aiStatus?.enabled ? (
                <><CheckCircle className="w-5 h-5 text-emerald-400" />
                <div><div className="text-sm text-emerald-400 font-semibold">OpenAI Connected</div>
                <div className="text-xs text-slate-500">GPT-4o + GPT-4o-mini</div></div></>
              ) : (
                <><XCircle className="w-5 h-5 text-red-400" />
                <div><div className="text-sm text-red-400 font-semibold">OpenAI Not configured</div>
                <div className="text-xs text-slate-500">Enter key below</div></div></>
              )}
            </div>
            <div className="text-xs text-slate-600 space-y-1">
              <div>• Speech analysis (Trump, Powell...)</div>
              <div>• AI news classification</div>
              <div>• Pattern evaluation</div>
              <div>• Top 10 contextualized ideas</div>
            </div>
          </div>

          {/* OpenAI API Key */}
          <div className="card">
            <div className="flex items-center justify-between mb-3">
              <div className="section-title mb-0 flex items-center gap-1"><Key className="w-3 h-3" /> OpenAI Key</div>
              <button onClick={() => setShowKeys(!showKeys)} className="text-slate-500 hover:text-slate-300">
                {showKeys ? <EyeOff className="w-3.5 h-3.5" /> : <Eye className="w-3.5 h-3.5" />}
              </button>
            </div>
            <div className="space-y-3">
              <div>
                <div className="flex items-center justify-between mb-1">
                  <label className="text-xs text-slate-500">OpenAI API Key</label>
                  <span className={clsx('text-xs', aiStatus?.enabled ? 'text-emerald-400' : 'text-slate-600')}>
                    {aiStatus?.enabled ? '✓ Active' : '○ Inactive'}
                  </span>
                </div>
                <input
                  type={showKeys ? 'text' : 'password'}
                  value={openaiKey}
                  onChange={e => setOpenaiKey(e.target.value)}
                  placeholder="sk-proj-..."
                  className="w-full bg-dark-700 border border-slate-700 rounded px-2 py-1.5 text-xs text-white focus:outline-none focus:border-blue-500 font-mono"
                />
              </div>
              <button
                onClick={saveKeys}
                disabled={savingKeys || !openaiKey}
                className="w-full bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white rounded py-1.5 text-xs font-semibold flex items-center justify-center gap-1.5"
              >
                <Save className="w-3.5 h-3.5" />
                {savingKeys ? 'Saving...' : 'Save key'}
              </button>
            </div>
          </div>
          </div>

          {/* Right: Analysis params */}
          <div className="card">
            <h2 className="text-base font-bold text-white flex items-center gap-2 mb-4">
              <SlidersHorizontal className="w-4 h-4 text-blue-400" /> AI Analysis Settings
            </h2>
            <div className="grid grid-cols-2 gap-4 mb-4">
              <div>
                <label className="text-xs text-slate-500 mb-1 block">Default top N results</label>
                <div className="flex gap-1">
                  {[5, 10, 15, 20].map(n => (
                    <button key={n} onClick={() => setAnalysisTopN(n)}
                      className={clsx('flex-1 py-1.5 rounded text-sm transition-colors', {
                        'bg-blue-600 text-white': analysisTopN === n,
                        'bg-dark-700 text-slate-400 hover:text-slate-200': analysisTopN !== n,
                      })}>
                      Top {n}
                    </button>
                  ))}
                </div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-1 block">Default category</label>
                <select value={analysisCategoryDefault} onChange={e => setAnalysisCategoryDefault(e.target.value)}
                  className="w-full bg-dark-700 border border-slate-700 rounded px-2 py-1.5 text-sm text-white focus:outline-none focus:border-blue-500">
                  <option value="all">All categories</option>
                  <option value="energy">Energy</option>
                  <option value="metals">Metals</option>
                  <option value="agriculture">Agriculture</option>
                  <option value="indices">Indices</option>
                  <option value="equities">Equities</option>
                  <option value="forex">Forex</option>
                </select>
              </div>
            </div>
            <div className="mb-4">
              <div className="flex items-center justify-between mb-1">
                <label className="text-xs text-slate-500">Analysis template (GPT-4o prompt)</label>
                <button onClick={() => setAnalysisTemplate('')} className="text-xs text-slate-600 hover:text-slate-400">
                  Default
                </button>
              </div>
              <textarea
                value={analysisTemplate}
                onChange={e => setAnalysisTemplate(e.target.value)}
                rows={8}
                placeholder="Leave empty to use default template..."
                className="w-full bg-dark-700 border border-slate-700 rounded px-3 py-2 text-sm text-white font-mono focus:outline-none focus:border-blue-500 resize-y"
              />
              <div className="text-xs text-slate-600 mt-1">
                Market context (prices, IV, 1d change) and filtered news are automatically injected.
              </div>
            </div>
            <button
              onClick={() => saveAnalysis(
                { top_n: analysisTopN, category_filter: analysisCategoryDefault, template: analysisTemplate || undefined },
                { onSuccess: () => { setSavedMsg('Analysis settings saved'); setTimeout(() => setSavedMsg(''), 2000) } }
              )}
              disabled={savingAnalysis}
              className="flex items-center gap-1.5 bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
              <Save className="w-4 h-4" />
              {savingAnalysis ? 'Saving...' : 'Save'}
            </button>
          </div>
        </div>
      )}

      {/* ── Auto-Cycle & Logging ── */}
      {configTab === 'cycle' && (
        <div className="space-y-5">
          {/* Score min threshold — prominent */}
          <div className="card border-blue-700/40 bg-blue-900/5">
            <h2 className="text-base font-bold text-white flex items-center gap-2 mb-1">
              <SlidersHorizontal className="w-4 h-4 text-blue-400" /> Minimum score for the cycle
            </h2>
            <p className="text-xs text-slate-500 mb-4">
              Cycle pre-filter — patterns with a score below this are not submitted for analysis.
              Risk profiles then determine which trades get logged.
            </p>
            <div className="grid grid-cols-2 gap-6">
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Score minimum pre-cycle : <span className="text-blue-300 font-mono font-bold text-lg">{minScore}</span>
                  <span className="text-slate-600 ml-1">/100</span>
                </label>
                <input type="range" min="0" max="80" step="5"
                  value={minScore}
                  onChange={e => setMinScore(parseInt(e.target.value))}
                  className="w-full accent-blue-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>0 (all)</span><span>80 (very selective)</span>
                </div>
                <div className="text-xs text-slate-500 mt-2">
                  {minScore === 0
                    ? 'All patterns processed by the cycle'
                    : `Only patterns with score ≥ ${minScore} are submitted to the cycle`}
                </div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  EV minimum : <span className="text-blue-300 font-mono font-bold">{minEv >= 0 ? '+' : ''}{(minEv * 100).toFixed(0)}%</span>
                  <span className="text-slate-600 ml-1">net attendu</span>
                </label>
                <input type="range" min="-0.5" max="0.5" step="0.05"
                  value={minEv}
                  onChange={e => setMinEv(parseFloat(e.target.value))}
                  className="w-full accent-blue-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>-50%</span><span>+50%</span>
                </div>
                <div className="text-xs text-slate-500 mt-2">
                  {minEv === 0
                    ? 'Any net EV accepted'
                    : minEv > 0
                    ? `Net EV ≥ +${(minEv * 100).toFixed(0)}% required`
                    : `Filter disabled (EV < ${(minEv * 100).toFixed(0)}%)`}
                </div>
              </div>
            </div>
          </div>

          {/* Trade Parameters */}
          <div className="card">
            <h2 className="text-base font-bold text-white flex items-center gap-2 mb-1">
              <DollarSign className="w-4 h-4 text-emerald-400" /> Trade Parameters
            </h2>
            <p className="text-xs text-slate-500 mb-4">
              Passed into every AI cycle — controls capital sizing and filters out patterns outside your investment horizon.
            </p>
            <div className="grid grid-cols-1 gap-6 md:grid-cols-3">
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Simulation budget: <span className="text-emerald-400 font-mono font-bold">€{tradeBudget.toLocaleString()}</span>
                </label>
                <input type="range" min="500" max="50000" step="500"
                  value={tradeBudget}
                  onChange={e => setTradeBudget(parseInt(e.target.value))}
                  className="w-full accent-emerald-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>€500</span><span>€50,000</span>
                </div>
                <div className="text-xs text-slate-500 mt-1">
                  Max per position: <span className="text-slate-300 font-mono">€{Math.round(tradeBudget * 0.25).toLocaleString()}</span> (25%)
                </div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Min horizon: <span className="text-blue-400 font-mono font-bold">{horizonMin}d</span>
                </label>
                <input type="range" min="1" max="90" step="1"
                  value={horizonMin}
                  onChange={e => setHorizonMin(Math.min(parseInt(e.target.value), horizonMax - 5))}
                  className="w-full accent-blue-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>1d</span><span>90d</span>
                </div>
                <div className="text-xs text-slate-500 mt-1">Patterns shorter than {horizonMin}d penalized in R/R</div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Max horizon: <span className="text-blue-400 font-mono font-bold">{horizonMax}d</span>
                </label>
                <input type="range" min="30" max="365" step="5"
                  value={horizonMax}
                  onChange={e => setHorizonMax(Math.max(parseInt(e.target.value), horizonMin + 5))}
                  className="w-full accent-blue-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>30d</span><span>365d</span>
                </div>
                <div className="text-xs text-slate-500 mt-1">Patterns longer than {horizonMax}d penalized in R/R</div>
              </div>
            </div>
            <div className="mt-4 p-3 rounded bg-emerald-900/10 border border-emerald-700/20 text-xs text-emerald-300">
              Active mandate: budget <span className="font-mono">€{tradeBudget.toLocaleString()}</span> · horizon{' '}
              <span className="font-mono">{horizonMin}–{horizonMax}d</span> · AI will size + filter suggestions accordingly
            </div>
          </div>

          {/* Auto-Cycle settings */}
          <div className="card">
            <div className="flex items-center justify-between mb-4">
              <h2 className="text-base font-bold text-white flex items-center gap-2">
                <Zap className="w-4 h-4 text-blue-400" /> Auto-Cycle Intelligence
              </h2>
              {cs && (
                <div className="flex items-center gap-2 text-xs">
                  {cs.running ? (
                    <span className="flex items-center gap-1 text-blue-400 bg-blue-900/30 border border-blue-700/30 px-2 py-0.5 rounded animate-pulse">
                      <RefreshCw className="w-3 h-3 animate-spin" /> Running...
                    </span>
                  ) : cs.scheduler_alive ? (
                    <span className="text-emerald-400 bg-emerald-900/30 border border-emerald-700/30 px-2 py-0.5 rounded">
                      ● Scheduler active
                    </span>
                  ) : (
                    <span className="text-slate-600 bg-dark-700 border border-slate-700/30 px-2 py-0.5 rounded">
                      ○ Scheduler inactive
                    </span>
                  )}
                </div>
              )}
            </div>
            <p className="text-xs text-slate-500 mb-4">
              Every N hours: suggests new patterns, deduplicates, scores everything, logs prices, and generates an AI comment.
            </p>

            <div className="grid grid-cols-3 gap-4 mb-4">
              <div>
                <label className="text-xs text-slate-500 mb-2 block">Enable auto-cycle</label>
                <button
                  onClick={() => setCycleEnabled(!cycleEnabled)}
                  className={clsx('w-full py-2 rounded border text-sm font-semibold transition-all', {
                    'bg-blue-600 border-blue-500 text-white': cycleEnabled,
                    'bg-dark-700 border-slate-700 text-slate-400 hover:border-slate-500': !cycleEnabled,
                  })}>
                  {cycleEnabled ? '✓ Enabled' : '○ Disabled'}
                </button>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">Interval (hours)</label>
                <div className="flex gap-1">
                  {[1, 3, 6, 12].map(h => (
                    <button key={h} onClick={() => setCycleHours(h)}
                      className={clsx('flex-1 py-2 rounded text-sm transition-colors', {
                        'bg-blue-600 text-white': cycleHours === h,
                        'bg-dark-700 text-slate-400 hover:text-slate-200': cycleHours !== h,
                      })}>
                      {h}h
                    </button>
                  ))}
                </div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Max similarity ({Math.round(cycleSimilarity * 100)}%)
                </label>
                <input type="range" min="0.1" max="0.8" step="0.05"
                  value={cycleSimilarity}
                  onChange={e => setCycleSimilarity(parseFloat(e.target.value))}
                  className="w-full accent-blue-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>10% (strict)</span><span>80% (permissif)</span>
                </div>
              </div>
            </div>

            <div className="grid grid-cols-2 gap-4 mb-4">
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Journal retention ({retentionDays}d)
                </label>
                <div className="flex gap-1">
                  {[30, 60, 90, 180].map(d => (
                    <button key={d} onClick={() => setRetentionDays(d)}
                      className={clsx('flex-1 py-2 rounded text-sm transition-colors', {
                        'bg-blue-600 text-white': retentionDays === d,
                        'bg-dark-700 text-slate-400 hover:text-slate-200': retentionDays !== d,
                      })}>
                      {d}j
                    </button>
                  ))}
                </div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Maturity threshold ({maturityThreshold}%)
                </label>
                <div className="flex gap-1">
                  {[20, 30, 35, 50].map(p => (
                    <button key={p} onClick={() => setMaturityThreshold(p)}
                      className={clsx('flex-1 py-2 rounded text-sm transition-colors', {
                        'bg-blue-600 text-white': maturityThreshold === p,
                        'bg-dark-700 text-slate-400 hover:text-slate-200': maturityThreshold !== p,
                      })}>
                      {p}%
                    </button>
                  ))}
                </div>
              </div>
            </div>

            {/* Weekend scheduling */}
            <div className="border border-slate-700/50 rounded-lg p-3 mb-4 bg-dark-700/30">
              <div className="flex items-center justify-between mb-3">
                <div>
                  <span className="text-xs font-semibold text-slate-300">Weekend cycles</span>
                  <p className="text-[10px] text-slate-500 mt-0.5">Sat/Sun — Globex opens Sun ~18h UTC. Times in UTC.</p>
                </div>
                <button
                  onClick={() => setWeekendEnabled(!weekendEnabled)}
                  className={clsx('px-3 py-1.5 rounded border text-xs font-semibold transition-all', {
                    'bg-amber-600/20 border-amber-500/50 text-amber-300': weekendEnabled,
                    'bg-dark-700 border-slate-700 text-slate-500 hover:border-slate-500': !weekendEnabled,
                  })}>
                  {weekendEnabled ? '✓ Enabled' : '○ Disabled'}
                </button>
              </div>
              {weekendEnabled && (
                <div>
                  <label className="text-[10px] text-slate-500 mb-1.5 block">UTC times (click to enable/disable)</label>
                  <div className="flex gap-1.5 flex-wrap">
                    {['06:00', '08:00', '12:00', '18:00', '22:00', '00:00'].map(t => {
                      const active = weekendTimes.includes(t)
                      return (
                        <button key={t}
                          onClick={() => setWeekendTimes(prev =>
                            active ? prev.filter(x => x !== t) : [...prev, t].sort()
                          )}
                          className={clsx('px-2.5 py-1 rounded text-xs font-mono transition-colors', {
                            'bg-amber-600 text-white': active,
                            'bg-dark-700 text-slate-500 hover:text-slate-300 border border-slate-700': !active,
                          })}>
                          {t}
                        </button>
                      )
                    })}
                  </div>
                  {weekendTimes.length === 0 && (
                    <p className="text-[10px] text-red-400 mt-1">Select at least one time</p>
                  )}
                </div>
              )}
            </div>

            {cs?.last_cycle && (
              <div className="card bg-dark-700/50 mb-2 text-xs space-y-2">
                <div className="flex items-center gap-4 flex-wrap">
                  <span className="text-slate-500">Last cycle:</span>
                  <span className="text-slate-300">{cs.last_cycle.started_at?.slice(0, 16)} UTC</span>
                  <span className={clsx('badge', cs.last_cycle.status === 'completed' ? 'badge-green' : 'badge-red')}>
                    {cs.last_cycle.status}
                  </span>
                  <span className="text-slate-500">+{cs.last_cycle.patterns_added} patterns</span>
                  <span className="text-slate-500">{cs.last_cycle.patterns_scored} scored</span>
                  <span className="text-slate-500">Geo: {cs.last_cycle.geo_score}</span>
                  <span className="text-slate-500 capitalize">{cs.last_cycle.dominant_regime}</span>
                </div>
              </div>
            )}
            {cs?.enabled && cs?.next_run_at && !cs?.running && (
              <div className="card bg-dark-700/50 mb-4 text-xs">
                <NextRunCountdown nextRunAt={cs.next_run_at} />
              </div>
            )}

            <div className="flex items-center gap-3">
              <button
                onClick={() => updateCycleConfig(
                  {
                    enabled: cycleEnabled,
                    interval_hours: cycleHours,
                    similarity_threshold: cycleSimilarity,
                    min_ev_threshold: minEv,
                    min_score_threshold: minScore,
                    trade_budget_eur: tradeBudget,
                    preferred_horizon_min: horizonMin,
                    preferred_horizon_max: horizonMax,
                    journal_retention_days: retentionDays,
                    maturity_threshold_pct: maturityThreshold,
                    weekend_cycle_enabled: weekendEnabled,
                    weekend_cycle_times: weekendTimes.length > 0 ? weekendTimes.join(',') : '08:00,22:00',
                    cycle_step_config: stepConfig,
                  },
                  { onSuccess: () => { refetchCycle(); setSavedMsg('Auto-cycle configured'); setTimeout(() => setSavedMsg(''), 2000) } }
                )}
                disabled={savingCycle}
                className="flex items-center gap-1.5 bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
                <Save className="w-4 h-4" />
                {savingCycle ? 'Saving...' : 'Apply'}
              </button>
              <button
                onClick={() => triggerCycle(undefined, { onSuccess: () => { refetchCycle(); setSavedMsg('Cycle started!'); setTimeout(() => setSavedMsg(''), 3000) } })}
                disabled={triggeringCycle || !aiStatus?.enabled}
                className="flex items-center gap-1.5 border border-blue-500/50 text-blue-400 hover:bg-blue-900/20 disabled:opacity-40 px-4 py-2 rounded text-sm font-semibold">
                <RefreshCw className={clsx('w-4 h-4', triggeringCycle && 'animate-spin')} />
                Run now
              </button>
            </div>
          </div>

          {/* ── Étapes du cycle ── */}
          <div className="card">
            <h2 className="text-base font-bold text-white flex items-center gap-2 mb-1">
              <SlidersHorizontal className="w-4 h-4 text-cyan-400" /> Étapes du cycle
            </h2>
            <p className="text-xs text-slate-500 mb-4">
              Chaque étape du cycle automatique (y compris en mode planifié) lit ces réglages —
              activer/désactiver ou ajuster une fenêtre ici change réellement ce qui se passe au prochain cycle.
            </p>
            {['portfolio', 'ai', 'data'].map(group => {
              const groupSteps = (stepCatalog ?? []).filter(s => s.group === group)
              if (groupSteps.length === 0) return null
              return (
                <div key={group} className="mb-4 last:mb-0">
                  <div className="text-[10px] uppercase tracking-wide text-slate-600 mb-2">
                    {group === 'portfolio' ? 'Portefeuille' : group === 'ai' ? 'Analyse IA' : 'Données & fenêtres'}
                  </div>
                  <div className="space-y-2">
                    {groupSteps.map(step => (
                      <CycleStepRow
                        key={step.id}
                        step={step}
                        value={stepConfig[step.id] ?? {}}
                        onChange={v => setStepConfig(prev => ({ ...prev, [step.id]: v }))}
                      />
                    ))}
                  </div>
                </div>
              )
            })}
            <div className="mt-2 text-[10px] text-slate-600">
              Ces réglages sont appliqués via le bouton "Apply" ci-dessus (Auto-Cycle Intelligence).
            </div>
          </div>

          {/* ── VaR & PnL Schedulers ── */}
          <div className="card">
            <h2 className="text-base font-bold text-white flex items-center gap-2 mb-4">
              <Gauge className="w-4 h-4 text-red-400" /> Schedulers VaR &amp; PnL
            </h2>
            <p className="text-xs text-slate-500 mb-4">
              Automatically computes and saves VaR (Black-Scholes delta) and PnL snapshots at defined intervals.
              Data is accessible from the VaR Analysis page with full history.
            </p>
            <div className="grid grid-cols-2 gap-6 mb-4">
              {/* VaR scheduler */}
              <div className="space-y-3">
                <div className="flex items-center gap-2">
                  <Gauge className="w-3.5 h-3.5 text-red-400" />
                  <span className="text-sm font-semibold text-slate-300">Scheduler VaR</span>
                  {schedStatus?.var?.alive
                    ? <span className="text-[10px] bg-emerald-900/30 text-emerald-400 border border-emerald-700/30 px-1.5 py-0.5 rounded ml-auto">● Active</span>
                    : <span className="text-[10px] bg-dark-700 text-slate-600 border border-slate-700/30 px-1.5 py-0.5 rounded ml-auto">○ Inactive</span>}
                </div>
                <div>
                  <label className="text-xs text-slate-500 mb-1 block">Enable</label>
                  <button onClick={() => setVarSchedEnabled(!varSchedEnabled)}
                    className={clsx('w-full py-2 rounded border text-sm font-semibold transition-all', {
                      'bg-red-700 border-red-600 text-white': varSchedEnabled,
                      'bg-dark-700 border-slate-700 text-slate-400': !varSchedEnabled,
                    })}>
                    {varSchedEnabled ? '✓ Enabled' : '○ Disabled'}
                  </button>
                </div>
                <div>
                  <label className="text-xs text-slate-500 mb-1 block">Interval</label>
                  <div className="flex gap-1">
                    {[1, 3, 6, 12, 24].map(h => (
                      <button key={h} onClick={() => setVarSchedHours(h)}
                        className={clsx('flex-1 py-1.5 rounded text-xs transition-colors', {
                          'bg-red-700 text-white': varSchedHours === h,
                          'bg-dark-700 text-slate-400 hover:text-slate-200': varSchedHours !== h,
                        })}>
                        {h}h
                      </button>
                    ))}
                  </div>
                </div>
              </div>

              {/* PnL scheduler */}
              <div className="space-y-3">
                <div className="flex items-center gap-2">
                  <DollarSign className="w-3.5 h-3.5 text-emerald-400" />
                  <span className="text-sm font-semibold text-slate-300">Scheduler PnL</span>
                  {schedStatus?.pnl?.alive
                    ? <span className="text-[10px] bg-emerald-900/30 text-emerald-400 border border-emerald-700/30 px-1.5 py-0.5 rounded ml-auto">● Active</span>
                    : <span className="text-[10px] bg-dark-700 text-slate-600 border border-slate-700/30 px-1.5 py-0.5 rounded ml-auto">○ Inactive</span>}
                </div>
                <div>
                  <label className="text-xs text-slate-500 mb-1 block">Enable</label>
                  <button onClick={() => setPnlSchedEnabled(!pnlSchedEnabled)}
                    className={clsx('w-full py-2 rounded border text-sm font-semibold transition-all', {
                      'bg-emerald-700 border-emerald-600 text-white': pnlSchedEnabled,
                      'bg-dark-700 border-slate-700 text-slate-400': !pnlSchedEnabled,
                    })}>
                    {pnlSchedEnabled ? '✓ Enabled' : '○ Disabled'}
                  </button>
                </div>
                <div>
                  <label className="text-xs text-slate-500 mb-1 block">Interval</label>
                  <div className="flex gap-1">
                    {[1, 2, 4, 8, 24].map(h => (
                      <button key={h} onClick={() => setPnlSchedHours(h)}
                        className={clsx('flex-1 py-1.5 rounded text-xs transition-colors', {
                          'bg-emerald-700 text-white': pnlSchedHours === h,
                          'bg-dark-700 text-slate-400 hover:text-slate-200': pnlSchedHours !== h,
                        })}>
                        {h}h
                      </button>
                    ))}
                  </div>
                </div>
              </div>
            </div>

            <div className="flex items-center gap-3 flex-wrap">
              <button
                onClick={() => saveSchedConfig({ var_enabled: varSchedEnabled, var_hours: varSchedHours, pnl_enabled: pnlSchedEnabled, pnl_hours: pnlSchedHours })}
                disabled={savingSched}
                className="flex items-center gap-1.5 bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
                <Save className="w-4 h-4" />
                {savingSched ? 'Saving…' : 'Apply'}
              </button>
              <button
                onClick={() => triggerVarNow()}
                disabled={triggeringVar}
                className="flex items-center gap-1.5 border border-red-500/50 text-red-400 hover:bg-red-900/20 disabled:opacity-40 px-4 py-2 rounded text-sm font-semibold">
                <Gauge className={clsx('w-4 h-4', triggeringVar && 'animate-spin')} />
                VaR snapshot now
              </button>
              <button
                onClick={() => triggerPnlNow()}
                disabled={triggeringPnl}
                className="flex items-center gap-1.5 border border-emerald-500/50 text-emerald-400 hover:bg-emerald-900/20 disabled:opacity-40 px-4 py-2 rounded text-sm font-semibold">
                <DollarSign className={clsx('w-4 h-4', triggeringPnl && 'animate-spin')} />
                PnL snapshot now
              </button>
            </div>
          </div>

          {/* Calendar auto-sync frequency */}
          <div className="card">
            <h2 className="text-base font-bold text-white flex items-center gap-2 mb-3">
              <RefreshCw className="w-4 h-4 text-indigo-400" /> Calendar Auto-Sync
            </h2>
            <div className="text-xs text-slate-400 mb-3">
              Interval between automatic economic calendar syncs (Forex Factory live JSON + HTML scraper; FMP API used as fallback for weeks 3+ if the FF scraper gets blocked — needs an FMP key below).
            </div>
            <div className="flex items-center gap-3">
              <label className="text-xs text-slate-500 whitespace-nowrap">Refresh every</label>
              <div className="flex gap-1">
                {[2, 4, 6, 12, 24].map(h => (
                  <button key={h} onClick={() => setCalendarRefreshH(h)}
                    className={clsx('px-3 py-1.5 rounded text-xs transition-colors', {
                      'bg-indigo-700 text-white': calendarRefreshH === h,
                      'bg-dark-700 text-slate-400 hover:text-slate-200': calendarRefreshH !== h,
                    })}>
                    {h}h
                  </button>
                ))}
              </div>
              <button
                onClick={() => updateApiKeys({ calendar_refresh_h: String(calendarRefreshH) }, {
                  onSuccess: () => { setSavedMsg('Calendar refresh saved'); setTimeout(() => setSavedMsg(''), 2000) }
                })}
                disabled={savingKeys}
                className="flex items-center gap-1.5 bg-indigo-700 hover:bg-indigo-600 disabled:opacity-40 text-white px-3 py-1.5 rounded text-xs font-semibold">
                <Save className="w-3.5 h-3.5" />
                {savingKeys ? 'Saving…' : 'Save'}
              </button>
            </div>
          </div>
        </div>
      )}

      {/* ── Sources ── */}
      {configTab === 'sources' && (
        <div className="space-y-5">
          {/* Data API Keys */}
          <div className="card">
            <div className="flex items-center justify-between mb-3">
              <div className="section-title mb-0 flex items-center gap-1"><Key className="w-3 h-3" /> Data API Keys</div>
              <button onClick={() => setShowKeys(!showKeys)} className="text-slate-500 hover:text-slate-300">
                {showKeys ? <EyeOff className="w-3.5 h-3.5" /> : <Eye className="w-3.5 h-3.5" />}
              </button>
            </div>
            <div className="grid grid-cols-4 gap-4">
              {[
                { label: 'NewsAPI Key', value: newsapiKey, setter: setNewsapiKey, placeholder: 'Get at newsapi.org', configKey: 'newsapi_key' },
                { label: 'EIA API Key', value: eiaKey, setter: setEiaKey, placeholder: 'Get at eia.gov', configKey: 'eia_api_key' },
                { label: 'FRED API Key', value: fredKey, setter: setFredKey, placeholder: 'Get at fred.stlouisfed.org', configKey: 'fred_api_key' },
                { label: 'FMP API Key', value: fmpKey, setter: setFmpKey, placeholder: 'Calendar fallback — financialmodelingprep.com', configKey: 'fmp_api_key' },
              ].map(({ label, value, setter, placeholder, configKey }) => (
                <div key={label}>
                  <label className="text-xs text-slate-500 mb-1 flex items-center justify-between">
                    <span>{label}</span>
                    {config?.[`${configKey}_set`] ? (
                      <span className="text-emerald-400 text-[10px] font-semibold">✓ active</span>
                    ) : (
                      <span className="text-slate-600 text-[10px]">not set</span>
                    )}
                  </label>
                  <input
                    type={showKeys ? 'text' : 'password'}
                    value={value}
                    onChange={e => setter(e.target.value)}
                    placeholder={placeholder}
                    className="w-full bg-dark-700 border border-slate-700 rounded px-2 py-1.5 text-xs text-white focus:outline-none focus:border-blue-500 font-mono"
                  />
                </div>
              ))}
            </div>
            <button
              onClick={saveKeys}
              disabled={savingKeys || (!newsapiKey && !eiaKey && !fredKey && !fmpKey)}
              className="mt-3 flex items-center gap-1.5 bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
              <Save className="w-4 h-4" />
              {savingKeys ? 'Saving...' : 'Save keys'}
            </button>
          </div>

          <SaxoConnectionCard />

          {/* RSS / data sources */}
          {isLoading ? (
            <div className="card animate-pulse h-40 bg-dark-700" />
          ) : (
            <>
              {Object.entries(SOURCE_CATEGORIES).map(([catName, keys]) => (
                <div key={catName} className="card">
                  <div className="section-title flex items-center gap-1">
                    <Globe className="w-3 h-3" /> {catName}
                  </div>
                  <div className="space-y-2">
                    {keys.map(key => {
                      const src = displaySources[key] ?? {}
                      const enabled = src.enabled ?? false
                      const requiresKey = src.requires_key
                      const doc = SOURCE_DOCS[key]
                      const keySet = requiresKey ? !!config?.[requiresKey + '_set'] : true
                      return (
                        <div key={key} className={clsx('flex items-start justify-between p-3 rounded border transition-all',
                          enabled ? 'border-blue-500/40 bg-blue-900/5' : 'border-slate-700/30 bg-dark-700/30')}>
                          <div className="flex-1 min-w-0 mr-3">
                            <div className="flex items-center gap-2">
                              <span className="text-xs text-white font-semibold">{src.name || key}</span>
                              <span className={clsx('badge text-xs', {
                                'badge-green': doc?.cost === 'Free' || doc?.cost === 'Totally free',
                                'badge-blue': doc?.cost?.includes('free') || doc?.cost?.includes('registration'),
                                'badge-yellow': doc?.cost?.includes('key') || doc?.cost?.includes('key'),
                                'badge-red': doc?.cost?.includes('Paid'),
                              })}>
                                {doc?.cost}
                              </span>
                              {requiresKey && !keySet && <span className="badge badge-orange text-xs">Key required</span>}
                            </div>
                            <div className="text-xs text-slate-500 mt-0.5">{doc?.description}</div>
                          </div>
                          <button onClick={() => toggleSource(key)} disabled={requiresKey && !keySet}
                            className={clsx('shrink-0 w-10 h-5 rounded-full border transition-all relative',
                              enabled ? 'bg-blue-600 border-blue-500' : 'bg-dark-600 border-slate-600',
                              requiresKey && !keySet && 'opacity-40 cursor-not-allowed')}>
                            <div className={clsx('absolute top-0.5 w-4 h-4 rounded-full bg-white transition-all',
                              enabled ? 'left-5' : 'left-0.5')} />
                          </button>
                        </div>
                      )
                    })}
                  </div>
                </div>
              ))}
              <div className="flex justify-end">
                <button onClick={saveSources} disabled={savingSources || !localSources}
                  className="flex items-center gap-2 bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
                  <Save className="w-4 h-4" />
                  {savingSources ? 'Saving...' : 'Apply changes'}
                </button>
              </div>
            </>
          )}
        </div>
      )}

      {/* ── Options — Paramètres ── */}
      {configTab === 'options' && (
        <div className="space-y-5">

          {/* ── IV Gate — Paramètres d'entrée ── */}
          <div className="card border-blue-700/30 bg-blue-900/5">
            <div className="flex items-center justify-between mb-1">
              <h2 className="text-base font-bold text-white flex items-center gap-2">
                <ShieldAlert className="w-4 h-4 text-blue-400" /> IV Gate — Entry Filters
              </h2>
              <button
                onClick={() => setIvGateEnabled(!ivGateEnabled)}
                className={clsx('text-xs px-3 py-1 rounded border font-semibold transition-all', {
                  'bg-blue-600 border-blue-500 text-white': ivGateEnabled,
                  'bg-dark-700 border-slate-700 text-slate-400': !ivGateEnabled,
                })}>
                {ivGateEnabled ? '✓ Gate active' : '○ Gate disabled'}
              </button>
            </div>
            <p className="text-xs text-slate-500 mb-5">
              Automatically blocks trades with verdict <span className="text-red-400 font-semibold">ALERT</span> before
              they are logged in the journal. An ALERT trade is a strategy incompatible with the current volatility regime
              (e.g. Long Call at IVR 100%). Blocked trades appear in skipped trades with reason <span className="text-slate-400 font-mono">[IV_GATE]</span>.
            </p>

            <div className={clsx('space-y-5 transition-opacity', !ivGateEnabled && 'opacity-40 pointer-events-none')}>
              {/* IVR High — seuil vol chère */}
              <div className="grid grid-cols-2 gap-6">
                <div>
                  <div className="flex items-center justify-between mb-2">
                    <label className="text-xs text-slate-400 font-medium">
                      High vol threshold (IVR High)
                    </label>
                    <span className={clsx('font-mono font-bold text-base', ivGateHigh >= 70 ? 'text-orange-400' : 'text-yellow-400')}>
                      {ivGateHigh}%
                    </span>
                  </div>
                  <input type="range" min="30" max="85" step="5"
                    value={ivGateHigh}
                    onChange={e => {
                      const v = parseInt(e.target.value)
                      setIvGateHigh(v)
                      if (ivGateExtreme <= v) setIvGateExtreme(Math.min(v + 10, 100))
                    }}
                    className="w-full accent-yellow-500" />
                  <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                    <span>30% (strict)</span><span>85% (permissif)</span>
                  </div>
                  <div className="text-[10px] text-slate-500 mt-1.5 space-y-0.5">
                    <div>IVR &lt; {ivGateHigh}% → <span className="text-emerald-400">Long Call / Long Put OK</span></div>
                    <div>IVR {ivGateHigh}–{ivGateExtreme}% → <span className="text-yellow-400">Spreads requis</span> — naked long → WARN</div>
                  </div>
                </div>

                <div>
                  <div className="flex items-center justify-between mb-2">
                    <label className="text-xs text-slate-400 font-medium">
                      Extreme vol threshold (IVR Extreme)
                    </label>
                    <span className="font-mono font-bold text-base text-red-400">{ivGateExtreme}%</span>
                  </div>
                  <input type="range" min="50" max="100" step="5"
                    value={ivGateExtreme}
                    onChange={e => {
                      const v = parseInt(e.target.value)
                      setIvGateExtreme(v)
                      if (ivGateHigh >= v) setIvGateHigh(Math.max(v - 10, 30))
                    }}
                    className="w-full accent-red-500" />
                  <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                    <span>50%</span><span>100%</span>
                  </div>
                  <div className="text-[10px] text-slate-500 mt-1.5 space-y-0.5">
                    <div>IVR &gt; {ivGateExtreme}% → <span className="text-red-400 font-semibold">BLOCKED</span> — naked long vol → ALERT</div>
                    <div>Straddle / Strangle → ALERT when IVR &gt; {ivGateExtreme}% (penalty ×1.3)</div>
                  </div>
                </div>
              </div>

              {/* Skew threshold */}
              <div className="grid grid-cols-2 gap-6">
                <div>
                  <div className="flex items-center justify-between mb-2">
                    <label className="text-xs text-slate-400 font-medium">
                      Put skew threshold (expensive protection)
                    </label>
                    <span className="font-mono font-bold text-base text-orange-400">{ivGateSkew} pts</span>
                  </div>
                  <input type="range" min="2" max="20" step="1"
                    value={ivGateSkew}
                    onChange={e => setIvGateSkew(parseInt(e.target.value))}
                    className="w-full accent-orange-500" />
                  <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                    <span>2pts (very sensitive)</span><span>20pts (very tolerant)</span>
                  </div>
                  <div className="text-[10px] text-slate-500 mt-1.5">
                    Put skew &gt; {ivGateSkew}pts → puts very expensive, WARN signal on Long Put
                  </div>
                </div>

                {/* Visual summary */}
                <div className="bg-dark-700/60 rounded-lg px-4 py-3 text-xs space-y-2">
                  <div className="text-slate-500 font-semibold mb-2 text-[10px] uppercase tracking-wide">Current gate summary</div>
                  <div className="flex items-center gap-2">
                    <div className="w-2 h-2 rounded-full bg-emerald-500" />
                    <span className="text-slate-400">IVR &lt; <span className="text-emerald-400 font-mono">{ivGateHigh}%</span> → Any strategy OK</span>
                  </div>
                  <div className="flex items-center gap-2">
                    <div className="w-2 h-2 rounded-full bg-yellow-500" />
                    <span className="text-slate-400">IVR <span className="text-yellow-400 font-mono">{ivGateHigh}–{ivGateExtreme}%</span> → Spreads preferred</span>
                  </div>
                  <div className="flex items-center gap-2">
                    <div className="w-2 h-2 rounded-full bg-red-500 animate-pulse" />
                    <span className="text-slate-400">IVR &gt; <span className="text-red-400 font-mono">{ivGateExtreme}%</span> → Long naked → <strong className="text-red-400">BLOCKED</strong></span>
                  </div>
                  <div className="flex items-center gap-2">
                    <div className="w-2 h-2 rounded-full bg-orange-500" />
                    <span className="text-slate-400">Skew &gt; <span className="text-orange-400 font-mono">{ivGateSkew}pts</span> → Expensive puts (WARN)</span>
                  </div>
                </div>
              </div>
            </div>

            <div className="mt-5 pt-4 border-t border-slate-700/30">
              <button
                onClick={() => saveOptionsGate(
                  { iv_gate_enabled: ivGateEnabled, iv_gate_ivr_high: ivGateHigh,
                    iv_gate_ivr_extreme: ivGateExtreme, iv_gate_skew_threshold: ivGateSkew },
                  { onSuccess: () => { setSavedMsg('IV Gate saved'); setTimeout(() => setSavedMsg(''), 2000) } }
                )}
                disabled={savingOptionsGate}
                className="flex items-center gap-1.5 bg-blue-600 hover:bg-blue-500 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
                <Save className="w-4 h-4" />
                {savingOptionsGate ? 'Saving...' : 'Save gate'}
              </button>
            </div>
          </div>

          {/* ── Paramètres de sortie ── */}
          <div className="card">
            <h2 className="text-base font-bold text-white flex items-center gap-2 mb-1">
              <Lock className="w-4 h-4 text-amber-400" /> Trade Exit Settings
            </h2>
            <p className="text-xs text-slate-500 mb-5">
              Default values for targets and stop-losses. Each trade can have its own thresholds (Journal → Open).
            </p>
            <div className="grid grid-cols-2 gap-6 mb-4">
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Profit target: <span className="text-emerald-400 font-mono font-bold">+{exitTarget}%</span>
                  <span className="text-slate-600 ml-1">(underlying P&L)</span>
                </label>
                <input type="range" min="5" max="150" step="5"
                  value={exitTarget}
                  onChange={e => setExitTarget(parseFloat(e.target.value))}
                  className="w-full accent-emerald-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>+5%</span><span>+150%</span>
                </div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Stop-loss: <span className="text-red-400 font-mono font-bold">{exitStop}%</span>
                  <span className="text-slate-600 ml-1">(underlying P&L)</span>
                </label>
                <input type="range" min="-90" max="-5" step="5"
                  value={exitStop}
                  onChange={e => setExitStop(parseFloat(e.target.value))}
                  className="w-full accent-red-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>-90%</span><span>-5%</span>
                </div>
              </div>
            </div>
            <div className="grid grid-cols-2 gap-6 mb-5">
              <div>
                <label className="text-xs text-slate-500 mb-2 block">AI reversal signal mode</label>
                <div className="flex gap-2">
                  {[
                    { value: 'badge_only', label: '🔔 Badge only' },
                    { value: 'auto', label: '⚡ Auto (future)' },
                  ].map(opt => (
                    <button key={opt.value} onClick={() => setExitSignalMode(opt.value)}
                      className={clsx('flex-1 py-2 rounded text-xs border transition-all', {
                        'bg-blue-600 border-blue-500 text-white': exitSignalMode === opt.value,
                        'bg-dark-700 border-slate-700 text-slate-400 hover:text-slate-200': exitSignalMode !== opt.value,
                      })}>
                      {opt.label}
                    </button>
                  ))}
                </div>
                <div className="text-[10px] text-slate-600 mt-1">
                  Badge only: visible alert, you confirm manually. Auto: closure suggested.
                </div>
              </div>
              <div>
                <label className="text-xs text-slate-500 mb-2 block">
                  Signal reversal threshold: <span className="text-blue-400 font-mono font-bold">{exitSignalThreshold}pts</span>
                </label>
                <input type="range" min="10" max="60" step="5"
                  value={exitSignalThreshold}
                  onChange={e => setExitSignalThreshold(parseFloat(e.target.value))}
                  className="w-full accent-blue-500" />
                <div className="flex justify-between text-[10px] text-slate-600 mt-1">
                  <span>10pts (sensitive)</span><span>60pts (tolerant)</span>
                </div>
              </div>
            </div>
            <button
              onClick={() => saveExitDefaults(
                { target_pct: exitTarget, stop_loss_pct: exitStop,
                  signal_reversal_mode: exitSignalMode, signal_reversal_threshold: exitSignalThreshold },
                { onSuccess: () => { setSavedMsg('Exit settings saved'); setTimeout(() => setSavedMsg(''), 2000) } }
              )}
              disabled={savingExitDefaults}
              className="flex items-center gap-1.5 bg-amber-600 hover:bg-amber-500 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
              <Save className="w-4 h-4" />
              {savingExitDefaults ? 'Saving...' : 'Save thresholds'}
            </button>
          </div>

          {/* ── Indicateurs techniques du sous-jacent ── */}
          <div className="card border-purple-700/30 bg-purple-900/5">
            <div className="flex items-center justify-between mb-1">
              <h2 className="text-base font-bold text-white flex items-center gap-2">
                <TrendingUp className="w-4 h-4 text-purple-400" /> Underlying Technical Indicators
              </h2>
              <button
                onClick={() => setTechEnabled(!techEnabled)}
                className={clsx('text-xs px-3 py-1 rounded border font-semibold transition-all', {
                  'bg-purple-600 border-purple-500 text-white': techEnabled,
                  'bg-dark-700 border-slate-700 text-slate-400': !techEnabled,
                })}>
                {techEnabled ? '✓ Enabled' : '○ Disabled'}
              </button>
            </div>
            <p className="text-xs text-slate-500 mb-4">
              Injects RSI, MA, Bollinger and ATR into the AI context at each cycle. Periods are automatically calibrated based on the option's horizon.
            </p>

            <div className={clsx('space-y-4 transition-opacity', !techEnabled && 'opacity-40 pointer-events-none')}>
              {/* Indicateurs à activer */}
              <div>
                <label className="text-xs text-slate-400 font-medium block mb-2">Active indicators</label>
                <div className="flex flex-wrap gap-2">
                  {[
                    { key: 'rsi',       label: 'RSI',            desc: 'Momentum / overbought-oversold' },
                    { key: 'ma',        label: 'MA fast/slow',   desc: 'Trend & golden/death cross' },
                    { key: 'bollinger', label: 'Bollinger',      desc: 'Position in vol bands' },
                    { key: 'atr',       label: 'ATR',            desc: 'Recent realized volatility' },
                  ].map(({ key, label, desc }) => {
                    const active = techList.includes(key)
                    return (
                      <button
                        key={key}
                        title={desc}
                        onClick={() => setTechList(prev =>
                          active ? prev.filter(k => k !== key) : [...prev, key]
                        )}
                        className={clsx('text-xs px-3 py-1.5 rounded border font-semibold transition-all', {
                          'bg-purple-700 border-purple-500 text-white': active,
                          'bg-dark-700 border-slate-700 text-slate-400 hover:border-purple-600': !active,
                        })}>
                        {active ? '✓ ' : ''}{label}
                      </button>
                    )
                  })}
                </div>
                <p className="text-[10px] text-slate-600 mt-1.5">Hover to see each indicator's description.</p>
              </div>

              {/* Calibration auto */}
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-xs text-slate-300 font-medium">Auto-calibration by horizon</p>
                  <p className="text-[10px] text-slate-500">≤30j → RSI14, MA20/50 | ≤90j → RSI21, MA50/100 | &gt;90j → RSI28, MA100/200</p>
                </div>
                <button
                  onClick={() => setTechAutoCalibrate(!techAutoCalibrate)}
                  className={clsx('text-xs px-3 py-1 rounded border font-semibold transition-all flex-shrink-0 ml-4', {
                    'bg-purple-600 border-purple-500 text-white': techAutoCalibrate,
                    'bg-dark-700 border-slate-700 text-slate-400': !techAutoCalibrate,
                  })}>
                  {techAutoCalibrate ? '✓ Auto' : '○ Fixed'}
                </button>
              </div>
            </div>

            <button
              onClick={() => saveTechIndicators(
                { tech_indicators_enabled: techEnabled, tech_indicators_list: techList.join(','), tech_indicators_auto_calibrate: techAutoCalibrate },
                { onSuccess: () => { setSavedMsg('Technical indicators saved'); setTimeout(() => setSavedMsg(''), 2000) } }
              )}
              disabled={savingTechIndicators}
              className="mt-4 flex items-center gap-1.5 bg-purple-700 hover:bg-purple-600 disabled:opacity-40 text-white px-4 py-2 rounded text-sm font-semibold">
              <Save className="w-4 h-4" />
              {savingTechIndicators ? 'Saving...' : 'Save indicators'}
            </button>
          </div>
        </div>
      )}

      {/* ── Profils de risque ── */}
      {configTab === 'profiles' && <RiskProfilesCard />}

      {/* ── Watchlist ── */}
      {configTab === 'watchlist' && <WatchlistCard />}

      {/* ── Data Management ── */}
      {configTab === 'data' && <DataManagementCard />}

    </div>
  )
}

// ── Data Management card ───────────────────────────────────────────────────────

function PurgeButton({ label, description, tables, endpoint, color = 'red' }: {
  label: string
  description: string
  tables: string[]
  endpoint: string
  color?: 'red' | 'orange'
}) {
  const qc = useQueryClient()
  const [confirm, setConfirm] = useState(false)
  const [loading, setLoading] = useState(false)
  const [done, setDone] = useState<string | null>(null)

  const handlePurge = async () => {
    setLoading(true)
    try {
      const res = await fetch(endpoint, { method: 'DELETE' })
      const data = await res.json()
      setDone(`Deleted ${data.deleted ?? '?'} rows`)
      setConfirm(false)
      qc.invalidateQueries()
    } catch (e: any) {
      setDone(`Error: ${e?.message}`)
    } finally {
      setLoading(false)
    }
  }

  const borderCol = color === 'red' ? 'border-red-800/40' : 'border-orange-800/40'
  const bgCol     = color === 'red' ? 'bg-red-900/5'      : 'bg-orange-900/5'
  const btnCol    = color === 'red'
    ? 'bg-red-700 hover:bg-red-600 disabled:opacity-50'
    : 'bg-orange-700 hover:bg-orange-600 disabled:opacity-50'

  return (
    <div className={`border ${borderCol} ${bgCol} rounded-lg p-4`}>
      <div className="flex items-start justify-between gap-3">
        <div className="flex-1">
          <div className="text-sm font-semibold text-slate-200 mb-0.5">{label}</div>
          <div className="text-xs text-slate-500 mb-1.5">{description}</div>
          <div className="flex flex-wrap gap-1">
            {tables.map(t => (
              <span key={t} className="text-[10px] font-mono bg-slate-800 text-slate-400 px-1.5 py-0.5 rounded">{t}</span>
            ))}
          </div>
        </div>
        <div className="flex-shrink-0 flex flex-col items-end gap-1.5">
          {done && <span className="text-[10px] text-emerald-400">{done}</span>}
          {!confirm ? (
            <button onClick={() => { setConfirm(true); setDone(null) }}
              className={`text-xs px-3 py-1.5 rounded text-white font-semibold ${btnCol}`}>
              <Trash2 className="w-3 h-3 inline mr-1" />Purge
            </button>
          ) : (
            <div className="flex items-center gap-2">
              <span className="text-xs text-red-400 font-semibold">Are you sure?</span>
              <button onClick={handlePurge} disabled={loading}
                className={`text-xs px-3 py-1.5 rounded text-white font-semibold ${btnCol}`}>
                {loading ? 'Deleting…' : 'Yes, delete all'}
              </button>
              <button onClick={() => setConfirm(false)} className="text-xs text-slate-500 hover:text-slate-300">Cancel</button>
            </div>
          )}
        </div>
      </div>
    </div>
  )
}

function DataManagementCard() {
  return (
    <div className="space-y-4">
      <div className="flex items-center gap-2 mb-2">
        <DatabaseBackup className="w-4 h-4 text-red-400" />
        <h2 className="text-base font-bold text-white">Data Management</h2>
        <span className="text-xs text-slate-500 ml-2">Irreversible operations — all deletes are permanent</span>
      </div>

      <PurgeButton
        label="System Logs"
        description="Clear all system logs immediately (normally kept 30 days)."
        tables={['system_logs']}
        endpoint="/api/logs/purge-all"
        color="orange"
      />

      <PurgeButton
        label="AI Reports (Rapport IA)"
        description="Delete all generated cycle reports and trade assessments."
        tables={['cycle_reports', 'ai_reports']}
        endpoint="/api/reports/purge-all"
        color="orange"
      />

      <PurgeButton
        label="Portfolio — All Positions"
        description="Delete every position (open + closed) and all trade entry price history. Cannot be undone."
        tables={['portfolio', 'trade_entry_prices']}
        endpoint="/api/portfolio/purge-all"
        color="red"
      />

      <PurgeButton
        label="Analytics History"
        description="Purge all pattern score history, regime clusters, embeddings, cycle run logs, and macro/geo alert history."
        tables={['pattern_score_history', 'regime_clusters', 'pattern_embeddings', 'cycle_runs', 'macro_regime_history', 'geo_alert_history']}
        endpoint="/api/analytics/purge-all"
        color="red"
      />

      <PurgeButton
        label="VaR & PnL Snapshots"
        description="Delete all Value-at-Risk snapshots and daily PnL snapshots."
        tables={['var_snapshots', 'pnl_snapshots']}
        endpoint="/api/var/purge-all"
        color="orange"
      />

      <PurgeButton
        label="Pattern Lab Runs"
        description="Delete all Pattern Lab backtest runs (event presets + instrument scans). Does not affect the Pattern Library."
        tables={['backtest_lab_runs']}
        endpoint="/api/pattern-lab/purge-all"
        color="orange"
      />

      <PurgeButton
        label="Pattern Library"
        description="Delete all custom and backtested patterns from the library. Trade ideas will regenerate from scratch on the next cycle. Does not affect Pattern Lab run history."
        tables={['custom_patterns']}
        endpoint="/api/patterns/purge-all"
        color="red"
      />

      <div className="mt-2 p-3 border border-slate-700/40 rounded-lg bg-dark-700/30">
        <p className="text-xs text-slate-500">
          <span className="font-semibold text-slate-400">Note:</span> Trade Ideas are computed live from the Pattern Library — they have no separate table. Risk profiles, config, API keys, and the Knowledge Base are managed from their respective sections.
        </p>
      </div>
    </div>
  )
}