(function () {
  const list = document.getElementById('list');
  const filter = document.getElementById('filter');

  // --- wie in stream.js: mögliche Manifest-Dateien ausprobieren ---
  async function chooseManifest(name) {
    const enc = encodeURIComponent(name);
    const candidates = [
      `/hls/${enc}/index.m3u8`,
      `/hls/${enc}/main_stream.m3u8`,
    ];
    for (const url of candidates) {
      try {
        const r = await fetch(url, { cache: 'no-store' });
        if (r.ok) return url;
      } catch (_) {}
    }
    return null;
  }

  // Kleinster gemeinsamer Nenner: API-Live ODER Manifest erreichbar
  const probeCache = new Map(); // vermeidet Doppel-Requests pro Render

  async function probeLive(name) {
    if (probeCache.has(name)) return probeCache.get(name);
    const p = (async () => {
      const url = await chooseManifest(name);
      return !!url;
    })();
    probeCache.set(name, p);
    return p;
  }

  function render(data) {
    const q = (filter.value || '').toLowerCase();
    list.innerHTML = '';
    data.items
      .filter((it) => !q || it.name.toLowerCase().includes(q))
      .forEach((it) => {
        const a = document.createElement('a');
        a.href = '/' + encodeURIComponent(it.name);
        a.className = 'card';
        a.dataset.stream = it.name;

        // Grundzustand: was die API sagt
        const apiLive = !!it.live;
        const pillClass = apiLive ? 'live' : 'off';
        const pillText = apiLive ? 'LIVE' : 'Offline';
        const viewers = (()=>{
          const cands = [it.viewers, it.viewerCount, it.viewCount, it.watchers, it.clients, it.hls_viewers, it.stats && it.stats.viewers];
          for (const v of cands){
            const n = typeof v === 'string' ? parseInt(v,10) : v;
            if (Number.isFinite(n) && n >= 0) return n;
          }
          return 0;
        })();
        a.innerHTML = `
          <div class="row space-between">
            <div>
              <div class="title-strong">${it.name}</div>
              <div class="muted">Zuschauer: ${viewers}</div>
            </div>
            <div class="pill ${pillClass}" data-role="live-pill">${pillText}</div>
          </div>`;

        list.appendChild(a);

        // Sofort im Hintergrund „echtes“ Live prüfen und ggf. überschreiben
        probeLive(it.name).then((isLive) => {
          if (isLive || apiLive) {
            const pill = a.querySelector('[data-role="live-pill"]');
            if (pill) {
              pill.className = 'pill live';
              pill.textContent = 'LIVE';
            }
          }
        });
      });
  }

  // Filter rendert jetzt wirklich neu (vorher: leerer Handler)
  filter.addEventListener('input', () => render(last));

  let last = { items: [] };

  // Erst-Load (falls Server SSE erst später schickt)
  (async function initialFetch() {
    try {
      const r = await fetch('/api/streams', { cache: 'no-store' });
      if (r.ok) {
        last = await r.json();
        render(last);
      }
    } catch (_) {}
  })();

  // Live-Updates via SSE (wie gehabt)
  const es = new EventSource('/api/streams/events', { withCredentials: false });
  es.addEventListener('update', (ev) => {
    try {
      last = JSON.parse(ev.data);
      render(last);
    } catch (e) {
      console.warn('sse parse', e);
    }
  });
  es.onerror = (e) => console.warn('sse error', e);

  // Optionaler Reload-Button:
  const btn = document.getElementById('reload');
  if (btn) btn.addEventListener('click', () => render(last));
})();