// The main séance screen: ghost backdrop, planchette board, mode panels
// (wire / evp / radio / ouija), transmission log and direct-contact row.
//
// Wiring notes:
// - PlanchetteBoard runs its own rAF loop and ticks the PlanchetteMachine
//   itself; this page only enqueues utterance text and polls snapshot()
//   (non-mutating) for the ouija panel readout.
// - Each mode panel is conditionally mounted, so mic / SDR teardown happens
//   in the panel's unmount cleanup — switching modes or leaving the page
//   always releases the hardware.

import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
import type { FormEvent } from 'react'
import { Link, Navigate } from 'react-router-dom'
import { useTranslation } from 'react-i18next'
import { useAuth } from '../state/auth'
import { SeanceProvider, useSeance } from '../state/seance'
import type { Toast } from '../state/seance'
import { GhostCanvas } from '../three/GhostCanvas'
import type { GhostMood, GhostVisualState } from '../three/GhostScene'
import { PlanchetteBoard } from '../components/PlanchetteBoard'
import { Transcript } from '../components/Transcript'
import { PlanchetteMachine } from '../lib/planchette'
import type { PlanchetteSnapshot } from '../lib/planchette'
import { EvpListener } from '../lib/evp'
import {
  isSupported,
  RtlSdr,
  SpectrumAnomalyDetector,
  SWEEP_END_MHZ,
  SWEEP_START_MHZ,
} from '../lib/sdr'
import { persistLanguage, storedLanguage } from '../i18n'
import type { Language, Mode } from '../lib/types'
import './SeancePage.css'

const MODES: readonly Mode[] = ['wire', 'evp', 'radio', 'ouija']
const TOAST_TTL_MS = 6000
/** SDR sample rate must match RtlSdr.open()'s default. */
const SDR_SAMPLE_RATE_HZ = 2_048_000

export function SeancePage() {
  const { user, checking } = useAuth()
  const { t } = useTranslation()

  if (checking) {
    return (
      <div className="seance-loading" role="status">
        <div className="loading-sigil" aria-hidden>
          ⟁
        </div>
        <p className="loading-text">{t('common.loading')}</p>
      </div>
    )
  }
  if (!user) return <Navigate to="/enter" replace />

  return (
    <SeanceProvider>
      <SeanceSession username={user.username} />
    </SeanceProvider>
  )
}

export default SeancePage

// ---- the séance itself (rendered inside SeanceProvider) ----

function SeanceSession({ username }: { username: string }) {
  const {
    state,
    audioPlayer,
    setMode,
    setPassive,
    setLanguage,
    summon,
    ask,
    playUtterance,
    dismissToast,
  } = useSeance()
  const { logout } = useAuth()
  const { t, i18n } = useTranslation()

  const [departed, setDeparted] = useState(false)
  const [question, setQuestion] = useState('')
  const [dossierOpen, setDossierOpen] = useState(true)

  // The planchette machine lives for the whole session; the board ticks it.
  const machineRef = useRef(new PlanchetteMachine())
  const [boardSnap, setBoardSnap] = useState<PlanchetteSnapshot | null>(null)

  // Tell the backend which tongue we whisper in (queued while connecting).
  useEffect(() => {
    setLanguage(storedLanguage())
  }, [setLanguage])

  // Feed every fresh utterance (greetings, fragments, replies) to the board.
  const lastEnqueuedRef = useRef<string | null>(null)
  useEffect(() => {
    const uts = state.utterances
    if (uts.length === 0) return
    const lastSeen = lastEnqueuedRef.current
    const idx = lastSeen === null ? -1 : uts.findIndex((u) => u.id === lastSeen)
    if (lastSeen !== null && idx === -1) return // store was capped; don't re-spell history
    const fresh = uts.slice(idx + 1)
    for (const u of fresh) machineRef.current.enqueue(u.text)
    lastEnqueuedRef.current = uts[uts.length - 1].id
  }, [state.utterances])

  // Poll the machine's snapshot for the ouija readout (board owns ticking).
  useEffect(() => {
    let lastSig = ''
    const id = window.setInterval(() => {
      const s = machineRef.current.snapshot()
      const sig = `${s.phase}|${s.word ?? ''}|${s.index}|${s.queued.length}|${s.spelled.length}`
      if (sig !== lastSig) {
        lastSig = sig
        setBoardSnap(s)
      }
    }, 150)
    return () => window.clearInterval(id)
  }, [])

  // Open the dossier whenever a new presence steps through.
  const entityId = state.entity?.id ?? null
  useEffect(() => {
    if (entityId) setDossierOpen(true)
  }, [entityId])

  const ghostVisual = useMemo<GhostVisualState | null>(
    () =>
      state.entity
        ? { hue: state.entity.visual.hue, form: state.entity.visual.form }
        : null,
    [state.entity],
  )

  const ghostMood: GhostMood = state.speakingId
    ? 'speaking'
    : state.status === 'gathering' || state.status === 'summoning'
      ? 'gathering'
      : state.status === 'attuning'
        ? 'attuning'
        : 'idle'

  const getAmplitude = useCallback(() => audioPlayer.getAmplitude(), [audioPlayer])

  const switchLanguage = (lang: Language) => {
    setLanguage(lang)
    void i18n.changeLanguage(lang)
    persistLanguage(lang)
  }

  const handleLogout = () => {
    void logout()
      .catch(() => undefined)
      .finally(() => setDeparted(true))
  }

  const streaming = state.replyStreaming.active
  const submitQuestion = (e: FormEvent) => {
    e.preventDefault()
    if (streaming) return
    ask(question)
    setQuestion('')
  }

  if (departed) return <Navigate to="/" replace />

  const entityHue = state.entity?.visual.hue ?? 150
  const entity = state.entity

  return (
    <div className="seance-page">
      <GhostCanvas
        className="seance-ghost"
        visual={ghostVisual}
        mood={ghostMood}
        getAmplitude={getAmplitude}
      />

      {/* ---- top bar ---- */}
      <header className="seance-topbar">
        <div className="seance-brand">
          <span className="brand-sigil" aria-hidden>
            ⟁
          </span>
          {t('common.appName')}
        </div>

        <nav className="seance-modes" aria-label="modes">
          {MODES.map((m) => (
            <button
              key={m}
              type="button"
              className={`mode-tab ${state.mode === m ? 'active' : ''}`}
              onClick={() => setMode(m)}
            >
              {t(`seance.modes.${m}`)}
            </button>
          ))}
        </nav>

        <div className="seance-top-right">
          <label className="passive-toggle" title={t('seance.passive')}>
            <input
              type="checkbox"
              checked={state.passive}
              onChange={(e) => setPassive(e.target.checked)}
            />
            <span className="passive-track" aria-hidden />
            <span className="passive-label">{t('seance.passive')}</span>
          </label>

          <div className="lang-toggle" role="group" aria-label="language">
            <button
              type="button"
              className={state.language === 'en' ? 'active' : ''}
              onClick={() => switchLanguage('en')}
            >
              EN
            </button>
            <button
              type="button"
              className={state.language === 'es' ? 'active' : ''}
              onClick={() => switchLanguage('es')}
            >
              ES
            </button>
          </div>

          <Link to="/codex" className="seance-codex-link">
            {t('nav.codex')}
          </Link>

          <span className="seance-user" title={username}>
            {username}
          </span>
          <button type="button" className="seance-logout" onClick={handleLogout}>
            {t('nav.logout')}
          </button>

          <span
            className={`conn-dot conn-${state.connection}`}
            title={t(`seance.connection.${state.connection}`)}
            aria-label={t(`seance.connection.${state.connection}`)}
          />
        </div>
      </header>

      {/* ---- unstable-veil banner ---- */}
      {state.connection !== 'open' && (
        <div className={`seance-conn-banner conn-${state.connection}`} role="alert">
          <span className="conn-glyph" aria-hidden>
            ⟁
          </span>
          {t(`seance.connection.${state.connection}`)}
        </div>
      )}

      {/* ---- main: board + side column ---- */}
      <main className="seance-main">
        <section className="seance-board-wrap">
          <PlanchetteBoard machine={machineRef.current} hue={entityHue} />

          {state.status && (
            <div className="seance-status-overlay" aria-live="polite">
              <span className="status-sigil" aria-hidden />
              <span className="status-text">{t(`seance.status.${state.status}`)}</span>
            </div>
          )}
        </section>

        <aside className="seance-side">
          {entity ? (
            <section className={`spirit-dossier ${dossierOpen ? 'open' : 'closed'}`}>
              <button
                type="button"
                className="dossier-header"
                onClick={() => setDossierOpen((o) => !o)}
                aria-expanded={dossierOpen}
              >
                <span className="dossier-title">{t('seance.entity.title')}</span>
                <span className="dossier-chevron" aria-hidden>
                  {dossierOpen ? '▾' : '◂'}
                </span>
              </button>
              {dossierOpen && (
                <div className="dossier-body">
                  <h3 className="dossier-name" style={{ color: `hsl(${entity.visual.hue} 85% 78%)` }}>
                    {entity.name}
                  </h3>
                  <p className="dossier-epithet">{entity.epithet}</p>
                  <div className="dossier-badges">
                    <span className={`rarity-badge rarity-${entity.rarity}`}>
                      {t(`seance.entity.rarity.${entity.rarity}`)}
                    </span>
                    {state.entityIsNew ? (
                      <span className="dossier-badge badge-new">{t('seance.entity.isNew')}</span>
                    ) : (
                      <span className="dossier-badge badge-known">
                        {t('seance.entity.known', { count: entity.contact_count })}
                      </span>
                    )}
                  </div>

                  <div className="dossier-section">
                    <h4>{t('seance.entity.persona')}</h4>
                    <p className="dossier-persona">{entity.persona}</p>
                  </div>

                  <div className="dossier-section">
                    <h4>{t('seance.entity.voice')}</h4>
                    <dl className="voice-params">
                      <div>
                        <dt>id</dt>
                        <dd>{entity.voice.voice_id}</dd>
                      </div>
                      <div>
                        <dt>pitch</dt>
                        <dd>{entity.voice.pitch.toFixed(2)}</dd>
                      </div>
                      <div>
                        <dt>rate</dt>
                        <dd>{entity.voice.rate.toFixed(2)}</dd>
                      </div>
                      <div>
                        <dt>noise</dt>
                        <dd>{entity.voice.noise.toFixed(2)}</dd>
                      </div>
                      <div>
                        <dt>echo</dt>
                        <dd>{entity.voice.echo.toFixed(2)}</dd>
                      </div>
                    </dl>
                  </div>

                  {entity.quotes.length > 0 && (
                    <div className="dossier-section">
                      <h4>{t('seance.entity.quotes')}</h4>
                      <ul className="dossier-quotes">
                        {entity.quotes.slice(0, 4).map((q, i) => (
                          <li key={i}>“{q}”</li>
                        ))}
                      </ul>
                    </div>
                  )}
                </div>
              )}
            </section>
          ) : (
            <section className="spirit-dossier empty">
              <div className="dossier-body">
                <p className="dossier-none">{t('seance.entity.none')}</p>
                <p className="dossier-nonehint dim">{t('seance.entity.noneHint')}</p>
              </div>
            </section>
          )}

          <section className="mode-panel">
            {state.mode === 'wire' && <WirePanel />}
            {state.mode === 'evp' && <EvpPanel />}
            {state.mode === 'radio' && <RadioPanel />}
            {state.mode === 'ouija' && <OuijaPanel snapshot={boardSnap} />}
          </section>
        </aside>
      </main>

      {/* ---- bottom: transmission log + direct contact ---- */}
      <footer className="seance-bottom">
        <div className="seance-transcript-wrap">
          <div className="seance-transcript-title">
            <span>{t('seance.transcriptTitle')}</span>
            <span className="anomaly-count">
              {t('seance.anomaly.count', { count: state.anomalyCount })}
            </span>
          </div>
          <Transcript
            entries={state.transcript}
            streaming={state.replyStreaming}
            speakingId={state.speakingId}
            onReplay={playUtterance}
          />
        </div>

        <form className="seance-contact" onSubmit={submitQuestion}>
          <input
            type="text"
            value={question}
            onChange={(e) => setQuestion(e.target.value)}
            placeholder={t('seance.askPlaceholder')}
            disabled={streaming}
            maxLength={280}
            aria-label={t('seance.ask')}
          />
          <button type="submit" className="ask-btn" disabled={streaming || !question.trim()}>
            {t('seance.ask')}
          </button>
          <button
            type="button"
            className="summon-btn"
            onClick={summon}
            disabled={state.status === 'summoning'}
          >
            {state.status === 'summoning' ? t('seance.summoning') : t('seance.summon')}
          </button>
        </form>
      </footer>

      {/* ---- toasts ---- */}
      <div className="seance-toasts" aria-live="polite">
        {state.toasts.map((toast) => (
          <ToastCard key={toast.id} toast={toast} onDismiss={dismissToast} />
        ))}
      </div>

      {/* ---- CRT overlays (above everything, never interactive) ---- */}
      <div className="seance-scanlines" aria-hidden />
      <div className="seance-vignette" aria-hidden />
    </div>
  )
}

// ---- toasts ----

function ToastCard({ toast, onDismiss }: { toast: Toast; onDismiss: (id: number) => void }) {
  const { t } = useTranslation()
  useEffect(() => {
    const id = window.setTimeout(() => onDismiss(toast.id), TOAST_TTL_MS)
    return () => window.clearTimeout(id)
  }, [toast.id, onDismiss])

  return (
    <div className="seance-toast" role="alert">
      <span className="toast-glyph" aria-hidden>
        ⚠
      </span>
      <span className="toast-msg">
        {t(`seance.toast.${toast.code}`, { defaultValue: toast.message })}
      </span>
      <button
        type="button"
        className="toast-dismiss"
        onClick={() => onDismiss(toast.id)}
        aria-label={t('common.dismiss')}
      >
        ×
      </button>
    </div>
  )
}

// ---- wire panel: raw line telemetry ----

function WirePanel() {
  const { state } = useSeance()
  const { t } = useTranslation()
  const tel = state.telemetry

  return (
    <div className="wire-panel">
      <h4 className="panel-title">{t('seance.telemetry.title')}</h4>
      {tel ? (
        <div className="telemetry-grid">
          <div className="tel-row">
            <span className="tel-key">{t('seance.telemetry.jitter')}</span>
            <span className="tel-val flicker-soft">
              {tel.jitter_bytes_per_s.toFixed(1)} {t('seance.telemetry.units.bytes')}
            </span>
          </div>
          <div className="tel-row">
            <span className="tel-key">{t('seance.telemetry.latencyVar')}</span>
            <span className="tel-val flicker-soft">
              {tel.latency_variance_ms.toFixed(2)} {t('seance.telemetry.units.ms')}
            </span>
          </div>
          <div className="tel-row">
            <span className="tel-key">{t('seance.telemetry.latencyMean')}</span>
            <span className="tel-val flicker-soft">
              {tel.latency_mean_ms.toFixed(1)} {t('seance.telemetry.units.ms')}
            </span>
          </div>
          <div className="tel-row">
            <span className="tel-key">{t('seance.telemetry.dns')}</span>
            <span className="tel-val flicker-soft">
              {tel.dns_ms.toFixed(1)} {t('seance.telemetry.units.ms')}
            </span>
          </div>
        </div>
      ) : (
        <p className="dim flicker">{t('common.loading')}</p>
      )}
      <p className="wire-count">{t('seance.anomaly.count', { count: state.anomalyCount })}</p>
      {!state.passive && (
        <p className="wire-hint dim">
          {t('seance.wire.hint', {
            defaultValue:
              'the wire knocks loudest when nobody is touching it — flip passive listening on and let the line murmur on its own.',
          })}
        </p>
      )}
    </div>
  )
}

// ---- EVP panel: microphone voice-band listening ----

function EvpPanel() {
  const { sendAnomaly } = useSeance()
  const { t } = useTranslation()
  const [listening, setListening] = useState(false)
  const [pending, setPending] = useState(false)
  const [denied, setDenied] = useState(false)
  const [bandDb, setBandDb] = useState<number | null>(null)
  const listenerRef = useRef<EvpListener | null>(null)
  const canvasRef = useRef<HTMLCanvasElement | null>(null)
  const lastMeterRef = useRef(0)

  // Release the microphone when the panel unmounts (mode switch / leaving).
  useEffect(
    () => () => {
      const l = listenerRef.current
      listenerRef.current = null
      if (l) void l.stop()
    },
    [],
  )

  const drawScope = (db: Float32Array) => {
    const canvas = canvasRef.current
    if (!canvas) return
    const ctx = canvas.getContext('2d')
    if (!ctx) return
    const w = canvas.width
    const h = canvas.height
    ctx.clearRect(0, 0, w, h)
    const n = db.length
    const step = Math.max(1, Math.floor(n / 160))
    const bw = w / (n / step)
    for (let i = 0, x = 0; i < n; i += step, x++) {
      const v = db[i] // dB, roughly -160..0
      const norm = Math.max(0, Math.min(1, (v + 110) / 80))
      const bh = Math.max(1, norm * h)
      ctx.fillStyle = `hsla(150 90% 65% / ${0.25 + norm * 0.6})`
      ctx.fillRect(x * bw, h - bh, Math.max(1, bw - 0.5), bh)
    }
  }

  const start = async () => {
    if (pending || listening) return
    setDenied(false)
    setPending(true)
    const listener = listenerRef.current ?? new EvpListener()
    listenerRef.current = listener
    try {
      await listener.start({
        onAnomaly: (a) => sendAnomaly('evp', a.frequency, a.magnitude),
        onFrame: (db) => {
          drawScope(db)
          const now = performance.now()
          if (now - lastMeterRef.current > 200) {
            lastMeterRef.current = now
            // Voice band ≈ 300–3400 Hz (assuming the usual 48 kHz / 2048 FFT).
            const n = db.length
            const lo = Math.floor((300 / 24000) * n)
            const hi = Math.min(n - 1, Math.ceil((3400 / 24000) * n))
            let peak = -Infinity
            for (let i = lo; i <= hi; i++) if (db[i] > peak) peak = db[i]
            setBandDb(Number.isFinite(peak) ? peak : null)
          }
        },
      })
      if (listenerRef.current === listener) setListening(true)
    } catch {
      if (listenerRef.current === listener) listenerRef.current = null
      setDenied(true)
      setBandDb(null)
    } finally {
      setPending(false)
    }
  }

  const stop = async () => {
    const l = listenerRef.current
    listenerRef.current = null
    if (l) await l.stop()
    setListening(false)
    setBandDb(null)
  }

  return (
    <div className="evp-panel">
      <canvas ref={canvasRef} width={520} height={90} className="evp-scope" aria-hidden />
      <div className="evp-readout">
        <span className="dim">{t('seance.evp.band')}</span>
        <span className="evp-level">{bandDb !== null ? `${bandDb.toFixed(0)} dB` : '—'}</span>
      </div>
      {listening && (
        <p className="evp-listening flicker">
          <span className="rec-dot" aria-hidden />
          {t('seance.evp.listening')}
        </p>
      )}
      {denied && (
        <div className="panel-notice error">
          <h4>{t('seance.evp.deniedTitle')}</h4>
          <p>{t('seance.evp.denied')}</p>
        </div>
      )}
      <button
        type="button"
        className="panel-action"
        onClick={() => void (listening ? stop() : start())}
        disabled={pending}
      >
        {listening ? t('seance.evp.stop') : t('seance.evp.start')}
      </button>
    </div>
  )
}

// ---- radio panel: RTL-SDR FM sweep ----

function RadioPanel() {
  const { sendAnomaly } = useSeance()
  const { t } = useTranslation()
  const supported = useMemo(() => isSupported(), [])
  const [phase, setPhase] = useState<'idle' | 'busy' | 'sweeping'>('idle')
  const [error, setError] = useState<string | null>(null)
  const [tunedMhz, setTunedMhz] = useState<number | null>(null)
  const sdrRef = useRef<RtlSdr | null>(null)
  const detectorRef = useRef<SpectrumAnomalyDetector | null>(null)
  const canvasRef = useRef<HTMLCanvasElement | null>(null)
  const lastTuneUiRef = useRef(0)

  // Power down the dongle on unmount (mode switch / leaving the page).
  useEffect(
    () => () => {
      const sdr = sdrRef.current
      sdrRef.current = null
      detectorRef.current = null
      if (sdr) {
        sdr.stopSweep()
        void sdr.close()
      }
    },
    [],
  )

  const drawWaterfallRow = (db: Float64Array) => {
    const canvas = canvasRef.current
    if (!canvas) return
    const ctx = canvas.getContext('2d')
    if (!ctx) return
    const w = canvas.width
    const h = canvas.height
    // Scroll the existing waterfall down one row, paint the new one on top.
    ctx.drawImage(canvas, 0, 1)
    const n = db.length
    const bw = w / n
    for (let i = 0; i < n; i++) {
      const norm = Math.max(0, Math.min(1, (db[i] + 90) / 70))
      ctx.fillStyle = `hsl(${272 - norm * 122} ${45 + norm * 50}% ${5 + norm * 52}%)`
      ctx.fillRect(i * bw, 0, Math.ceil(bw), 1)
    }
  }

  const stop = useCallback(() => {
    const sdr = sdrRef.current
    sdrRef.current = null
    detectorRef.current = null
    if (sdr) {
      sdr.stopSweep()
      void sdr.close()
    }
    setPhase('idle')
    setTunedMhz(null)
  }, [])

  const start = async () => {
    if (!supported || sdrRef.current || phase === 'busy') return
    setError(null)
    setPhase('busy')
    const sdr = new RtlSdr()
    try {
      await sdr.requestDevice()
      await sdr.open()
    } catch (err) {
      const msg = err instanceof Error ? err.message : String(err)
      const name = err instanceof DOMException ? err.name : ''
      setError(
        name === 'NotFoundError' || /no device selected/i.test(msg)
          ? t('seance.radio.noDevice')
          : /claim/i.test(msg)
            ? t('seance.radio.claimFailed')
            : msg,
      )
      setPhase('idle')
      void sdr.close()
      return
    }
    sdrRef.current = sdr
    detectorRef.current = new SpectrumAnomalyDetector()
    setPhase('sweeping')
    void sdr
      .sweep(SWEEP_START_MHZ * 1e6, SWEEP_END_MHZ * 1e6, 1_800_000, {
        onSpectrum: (centerHz, db) => {
          if (sdrRef.current !== sdr) return
          drawWaterfallRow(db)
          const now = performance.now()
          if (now - lastTuneUiRef.current > 250) {
            lastTuneUiRef.current = now
            setTunedMhz(centerHz / 1e6)
          }
          const det = detectorRef.current
          if (det) {
            const a = det.process(centerHz, SDR_SAMPLE_RATE_HZ, db, now)
            if (a) sendAnomaly('radio', a.frequency, a.magnitude)
          }
        },
        onError: (err) => {
          if (sdrRef.current === sdr) setError(err.message)
        },
      })
      .then(() => {
        if (sdrRef.current === sdr) setPhase('idle')
      })
      .catch((err: unknown) => {
        if (sdrRef.current === sdr) {
          setError(err instanceof Error ? err.message : String(err))
          setPhase('idle')
        }
      })
  }

  if (!supported) {
    return (
      <div className="panel-notice">
        <h4>{t('seance.radio.unsupportedTitle')}</h4>
        <p>{t('seance.radio.unsupported')}</p>
        <p className="dim troubleshoot">{t('seance.radio.troubleshoot')}</p>
        <button type="button" className="panel-action" disabled>
          {t('seance.radio.start')}
        </button>
      </div>
    )
  }

  return (
    <div className="radio-panel">
      <canvas ref={canvasRef} width={256} height={110} className="radio-waterfall" aria-hidden />
      <div className="radio-readout">
        {tunedMhz !== null ? (
          <span className="tuned-freq">{tunedMhz.toFixed(1)} MHz</span>
        ) : (
          <span className="dim">—</span>
        )}
        {phase === 'sweeping' && (
          <span className="dim flicker">
            {t('seance.radio.sweeping', { start: SWEEP_START_MHZ, end: SWEEP_END_MHZ })}
          </span>
        )}
      </div>
      {error && (
        <div className="panel-notice error">
          <p>{error}</p>
        </div>
      )}
      <button
        type="button"
        className="panel-action"
        onClick={() => void (phase === 'sweeping' ? stop() : start())}
        disabled={phase === 'busy'}
      >
        {phase === 'sweeping' ? t('seance.radio.stop') : t('seance.radio.start')}
      </button>
    </div>
  )
}

// ---- ouija panel: what the planchette is doing ----

function OuijaPanel({ snapshot }: { snapshot: PlanchetteSnapshot | null }) {
  const { t } = useTranslation()
  const word = snapshot?.word ?? null

  return (
    <div className="ouija-panel">
      {word ? (
        <div className="ouija-spelling">
          <span className="dim ouija-spelling-label">
            {t('seance.ouija.spelling', { defaultValue: 'the planchette spells' })}
          </span>
          <div className="ouija-word" aria-live="polite">
            {word.split('').map((ch, i) => (
              <span
                key={i}
                className={
                  snapshot && i === snapshot.index ? 'lit' : snapshot && i < snapshot.index ? 'done' : ''
                }
              >
                {ch}
              </span>
            ))}
          </div>
        </div>
      ) : (
        <p className="dim ouija-drift">
          {t('seance.ouija.drift', {
            defaultValue: 'the planchette drifts, waiting for words — ask below, or summon.',
          })}
        </p>
      )}
      {snapshot && snapshot.spelled.length > 0 && (
        <p className="ouija-history dim">{snapshot.spelled.slice(-6).join(' · ')}</p>
      )}
    </div>
  )
}