@extends('layouts.vitrine')

@section('titre', 'Visio · '.$seance->classe->nom)

{{-- Étape 15 : reprend design/resources/views/visio.blade.php (vue prof) ; la
     grille factice est remplacée par la vraie visio (Jitsi, IFrame API). --}}
@section('contenu')
<main style="background:#f8f9fa">
<section style="padding:40px 20px 8px"><div style="max-width:1280px;margin:0 auto">
  <p style="margin:0;display:inline-flex;align-items:center;gap:8px;border:1px solid #b8c1cf;border-radius:999px;background:#fff;padding:4px 12px;font-size:14px;font-weight:700;color:#1d3fa8">Visio de classe</p>
  <h1 style="margin:14px 0 0;font-size:clamp(30px,4vw,44px);line-height:1.1;font-weight:800;letter-spacing:-0.02em;color:#0b1220">{{ $seance->classe->nom }} · {{ $seance->lab->titre }}</h1>
  <p style="margin:12px 0 0;max-width:720px;font-size:18px;line-height:1.6;font-weight:500;color:#3c4043">Tous les élèves arrivent en sourdine. Ils lèvent la main, vous donnez la parole, un à la fois.</p>
</div></section>

<section style="padding:20px 20px 72px"><div class="grid gap-5 lg:grid-cols-[minmax(0,1fr)_360px]" style="max-width:1280px;margin:0 auto">
  <div style="background:#fff;border:1px solid #e3e5e8;border-radius:20px;overflow:hidden;min-width:0">
    <div style="display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid #e3e5e8">
      <div style="display:flex;align-items:center;gap:12px;flex-wrap:wrap">
        @if ($jeton)
          <span style="display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:999px;background:#fce8e6;color:#b3261e;font-size:13px;font-weight:800"><span style="width:8px;height:8px;border-radius:50%;background:#d93025"></span>En direct · <span id="v-chrono" style="font-family:'IBM Plex Mono',monospace">00:00:00</span></span>
        @else
          <span style="display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:999px;background:#eef0f3;color:#3c4043;font-size:13px;font-weight:800">Visio fermée</span>
        @endif
        <span style="font-size:14px;font-weight:700;color:#0b1220">{{ $seance->classe->nom }}</span><span id="v-nb" style="font-size:14px;font-weight:600;color:#5f6368"></span>
      </div>
      <div style="display:flex;gap:8px;flex-wrap:wrap">
        @if ($jeton)
          <button type="button" id="v-mute-all" style="display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer;border:1px solid #dadce0;background:#fff;color:#0b1220"><svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="9" y="2" width="6" height="12" rx="3"/><path d="M19 10v2a7 7 0 0 1-14 0v-2M12 19v3M3 3l18 18"/></svg>Couper tous les micros</button>
          <form id="v-terminer" action="{{ route('seances.visio.fermer', $seance) }}" method="post" style="margin:0">@csrf<button type="submit" style="display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer;border:0;background:#d93025;color:#fff">Terminer la visio</button></form>
        @else
          <form action="{{ route('seances.visio.ouvrir', $seance) }}" method="post" style="margin:0">@csrf<button type="submit" style="display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer;border:0;background:#0b57d0;color:#fff">Ouvrir la visio</button></form>
        @endif
      </div>
    </div>
    @if ($jeton)
      <div id="v-scene" style="height:min(70vh,620px);background:#202124"></div>
    @else
      <p style="margin:0;padding:40px 20px;font-size:16px;font-weight:600;color:#3c4043">La visio n’est pas ouverte. Les élèves qui la rejoignent attendent dans la salle d’attente ; ouvrez-la pour les faire entrer.</p>
    @endif
  </div>
  <div style="display:grid;gap:20px;align-content:start;min-width:0">
    <section style="background:#fff;border:1px solid #e3e5e8;border-radius:20px" aria-labelledby="t-mains"><div style="display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #e3e5e8"><h2 id="t-mains" style="margin:0;font-size:16px;font-weight:800;color:#0b1220">Mains levées</h2><span id="v-nb-mains" style="min-width:28px;height:28px;padding:0 8px;border-radius:999px;background:#fef7e0;color:#7a4b00;display:inline-grid;place-items:center;font-size:13px;font-weight:800">0</span></div><ol id="v-mains" style="margin:0;padding:8px 12px;list-style:none"></ol><p style="margin:0;padding:0 20px 14px;font-size:13px;font-weight:600;color:#5f6368">Premier arrivé en haut.</p></section>
    <section style="background:#fff;border:1px solid #e3e5e8;border-radius:20px" aria-labelledby="t-attente"><div style="display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 20px;border-bottom:1px solid #e3e5e8"><h2 id="t-attente" style="margin:0;font-size:16px;font-weight:800;color:#0b1220">Salle d’attente</h2>@unless ($jeton)<form action="{{ route('seances.visio.ouvrir', $seance) }}" method="post" style="margin:0">@csrf<button type="submit" id="v-tout-admettre" style="border:0;background:none;color:#0b57d0;font-size:14px;font-weight:700;cursor:pointer">Tout admettre</button></form>@endunless</div><ul id="v-attente" style="margin:0;padding:8px 12px;list-style:none"></ul></section>
    <section style="background:#fff;border:1px solid #e3e5e8;border-radius:20px" aria-labelledby="t-chat"><div style="display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 20px;border-bottom:1px solid #e3e5e8"><h2 id="t-chat" style="margin:0;font-size:16px;font-weight:800;color:#0b1220">Chat des élèves</h2><button type="button" id="v-chat-switch" role="switch" aria-checked="{{ $seance->visio_chat ? 'true' : 'false' }}" aria-label="Activer le chat des élèves" @disabled(! $jeton) style="position:relative;width:44px;height:26px;border-radius:999px;border:0;cursor:pointer;transition:background .2s;background:{{ $seance->visio_chat ? '#0b57d0' : '#c4c7c5' }}"><span style="position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.3);transition:transform .2s;transform:translateX({{ $seance->visio_chat ? '18px' : '0' }})"></span></button></div><div id="v-chat" style="padding:16px 20px;font-size:14px;font-weight:600;color:#5f6368">{{ $seance->visio_chat ? 'Le chat est ouvert aux élèves.' : 'Le chat est désactivé.' }}</div></section>
  </div>
</div></section>
</main>

@if ($jeton)
  <script nonce="{{ Vite::cspNonce() }}" src="https://{{ config('visio.domaine') }}/external_api.js"></script>
@endif
<script nonce="{{ Vite::cspNonce() }}">
(function () {
  var URL_ETAT = @json(route('seances.visio.etat', $seance));
  var URL_CHAT = @json(route('seances.visio.chat', $seance));
  var URL_PAROLE = @json(route('seances.visio.parole', [$seance, '__ELEVE__']));
  var CSRF = @json(csrf_token());
  var $ = function (s) { return document.querySelector(s); };
  var poster = function (url, donnees) {
    return fetch(url, { method: 'POST', headers: { 'X-CSRF-TOKEN': CSRF, 'Content-Type': 'application/json', 'Accept': 'application/json' }, body: JSON.stringify(donnees || {}) });
  };
  var esc = function (t) { var d = document.createElement('span'); d.textContent = t; return d.innerHTML; };
  var api = null;
  var BOUTONS = ['microphone', 'camera', 'desktop', 'raisehand', 'participants-pane', 'tileview', 'settings', 'fullscreen', 'hangup'];

  @if ($jeton)
    api = new JitsiMeetExternalAPI(@json(config('visio.domaine')), {
      roomName: @json($seance->visio_salle),
      jwt: @json($jeton),
      parentNode: $('#v-scene'),
      width: '100%', height: '100%',
      configOverwrite: {
        startWithAudioMuted: true, startWithVideoMuted: true, readOnlyName: true,
        prejoinConfig: { enabled: false }, disableDeepLinking: true,
        toolbarButtons: BOUTONS.concat(@json($seance->visio_chat) ? ['chat'] : [])
      }
    });
    // Seul le prof donne la parole : modération du micro dès l'arrivée.
    api.addListener('videoConferenceJoined', function () {
      api.executeCommand('toggleModeration', true, 'audio');
    });
    var compter = function () { $('#v-nb').textContent = '· ' + api.getNumberOfParticipants() + ' en ligne'; };
    api.addListener('participantJoined', compter);
    api.addListener('participantLeft', compter);
    api.addListener('readyToClose', function () { $('#v-terminer').submit(); });
    $('#v-mute-all').addEventListener('click', function () { api.executeCommand('muteEveryone', 'audio'); });
    $('#v-terminer').addEventListener('submit', function () { try { api.executeCommand('endConference'); } catch (e) {} });

    var debut = new Date(@json($seance->visio_ouverte_a?->toIso8601String())).getTime();
    setInterval(function () {
      var s = Math.max(0, Math.floor((Date.now() - debut) / 1000));
      $('#v-chrono').textContent = [Math.floor(s / 3600), Math.floor(s / 60) % 60, s % 60].map(function (n) { return String(n).padStart(2, '0'); }).join(':');
    }, 1000);

    $('#v-chat-switch').addEventListener('click', function () {
      var actif = this.getAttribute('aria-checked') !== 'true';
      poster(URL_CHAT, { actif: actif }).then(function () { rafraichir(); });
    });
  @endif

  function rafraichir() {
    fetch(URL_ETAT, { headers: { 'Accept': 'application/json' } }).then(function (r) { return r.json(); }).then(function (e) {
      $('#v-nb-mains').textContent = e.mains.length;
      $('#v-mains').innerHTML = e.mains.length ? e.mains.map(function (m) {
        var attente = Math.max(0, Math.floor(Date.now() / 1000) - m.depuis);
        return '<li style="display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px;border-radius:12px">'
          + '<span><strong>' + esc(m.nom) + '</strong> <span style="font-size:13px;color:#5f6368">' + (attente < 60 ? attente + ' s' : Math.floor(attente / 60) + ' min') + '</span></span>'
          + (api && m.participant_id ? '<button type="button" data-parole="' + m.eleve_id + '" data-participant="' + esc(m.participant_id) + '" style="display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:0;cursor:pointer;font-size:13px;font-weight:700;background:#0b57d0;color:#fff">Donner la parole</button>' : '')
          + '</li>';
      }).join('') : '<li style="padding:8px;font-size:14px;color:#5f6368">Aucune main levée.</li>';
      $('#v-attente').innerHTML = e.attente.length ? e.attente.map(function (a) {
        return '<li style="padding:8px;font-weight:700">' + esc(a.nom) + '</li>';
      }).join('') : '<li style="padding:8px;font-size:14px;color:#5f6368">Personne n’attend.</li>';
      var sw = $('#v-chat-switch');
      if (sw.getAttribute('aria-checked') !== String(e.chat)) {
        sw.setAttribute('aria-checked', String(e.chat));
        sw.style.background = e.chat ? '#0b57d0' : '#c4c7c5';
        sw.firstElementChild.style.transform = e.chat ? 'translateX(18px)' : 'translateX(0)';
        $('#v-chat').textContent = e.chat ? 'Le chat est ouvert aux élèves.' : 'Le chat est désactivé.';
        if (api) api.executeCommand('overwriteConfig', { toolbarButtons: BOUTONS.concat(e.chat ? ['chat'] : []) });
      }
    }).catch(function () {});
  }

  // « Donner la parole » : askToUnmute autorise le micro quand la modération
  // est active (documentation de l'IFrame API), puis la main est baissée.
  $('#v-mains').addEventListener('click', function (ev) {
    var b = ev.target.closest('[data-parole]');
    if (!b || !api) return;
    api.executeCommand('askToUnmute', b.dataset.participant);
    poster(URL_PAROLE.replace('__ELEVE__', b.dataset.parole)).then(rafraichir);
  });

  rafraichir();
  setInterval(rafraichir, 2000);
})();
</script>
@endsection