(function () {
  var HLS_CDN = "https://cdn.jsdelivr.net/npm/hls.js@1.5.7/dist/hls.min.js";

  function loadHls() {
    if (window.Hls) return Promise.resolve();
    if (window.__hlsLoad) return window.__hlsLoad;
    window.__hlsLoad = new Promise(function (resolve, reject) {
      var s = document.createElement("script");
      s.src = HLS_CDN;
      s.async = true;
      s.onload = resolve;
      s.onerror = reject;
      document.head.appendChild(s);
    });
    return window.__hlsLoad;
  }

  function ready(fn) {
    if (document.readyState === "loading") {
      document.addEventListener("DOMContentLoaded", fn, { once: true });
    } else {
      fn();
    }
  }

  function addDecorativeCaptionsTrack(video) {
    if (video.querySelector('track[data-ps-track="1"]')) return;
    var vtt =
      "WEBVTT\n\nNOTE\nThis video has no spoken dialogue.\n\n1\n00:00:00.000 --> 00:00:00.001\n.\n";
    var track = document.createElement("track");
    track.setAttribute("data-ps-track", "1");
    track.kind = "captions";
    track.label = "No speech";
    track.srclang = "en";
    track.src = "data:text/vtt;charset=utf-8," + encodeURIComponent(vtt);
    video.appendChild(track);
    if (video.textTracks && video.textTracks.length) {
      try { video.textTracks[0].mode = "hidden"; } catch (e) {}
    }
  }

  function muxMp4FromUrl(url) {
    var m = (url || "").match(/stream\.mux\.com\/([^/?#]+)/i);
    if (!m) return "";
    var id = m[1].replace(/\.m3u8$/i, "");
    return "https://stream.mux.com/" + id + "/capped-1080p.mp4";
  }

  function applyVideoFlags(video) {
    video.muted = true;
    video.defaultMuted = true;
    video.autoplay = true;
    video.loop = true;
    video.playsInline = true;
    video.setAttribute("muted", "");
    video.setAttribute("autoplay", "");
    video.setAttribute("loop", "");
    video.setAttribute("playsinline", "");
    video.setAttribute("preload", "auto");
    video.removeAttribute("data-lazy-load");
  }

  function requestPlay(video) {
    function tryPlay() {
      if (!video || !video.paused) return;
      video.muted = true;
      video.play().catch(function () {});
    }
    tryPlay();
    video.addEventListener("canplay", tryPlay);
    video.addEventListener("loadeddata", tryPlay);
    document.addEventListener("visibilitychange", function () {
      if (!document.hidden) tryPlay();
    });
    window.addEventListener("pageshow", tryPlay);
  }

  function attachHls(video, url) {
    loadHls()
      .then(function () {
        if (!window.Hls || !Hls.isSupported()) {
          video.src = url;
          requestPlay(video);
          return;
        }
        var hls = new Hls({ enableWorker: true, autoStartLoad: true });
        hls.loadSource(url);
        hls.attachMedia(video);
        hls.on(Hls.Events.MANIFEST_PARSED, function () {
          requestPlay(video);
        });
        video._hls = hls;
      })
      .catch(function () {
        video.src = url;
        requestPlay(video);
      });
  }

  function startVideo(video) {
    addDecorativeCaptionsTrack(video);

    var url =
      video.getAttribute("data-hls-src") ||
      video.getAttribute("data-src") ||
      video.getAttribute("src") ||
      "";

    if (!url) return;
    if (video.dataset.hlsInit === "1") {
      requestPlay(video);
      return;
    }
    video.dataset.hlsInit = "1";
    applyVideoFlags(video);

    var isHls = /\.m3u8(\?|#|$)/i.test(url);
    var isMp4 = /\.mp4(\?|#|$)/i.test(url);
    var muxMp4 = muxMp4FromUrl(url);

    if (isMp4) {
      if (video.src !== url) video.src = url;
      requestPlay(video);
      return;
    }

    // Chrome autoplay: progressive MP4, not HLS
    if (muxMp4) {
      video.src = muxMp4;
      video.addEventListener(
        "error",
        function () {
          if (isHls) attachHls(video, url);
        },
        { once: true }
      );
      requestPlay(video);
      return;
    }

    if (!isHls) return;

    // hls.js first; native HLS only if MSE is unavailable (Safari)
    if (window.Hls && Hls.isSupported()) {
      attachHls(video, url);
      return;
    }
    if (video.canPlayType("application/vnd.apple.mpegurl")) {
      video.src = url;
      requestPlay(video);
      return;
    }
    attachHls(video, url);
  }

  ready(function () {
    var videos = document.querySelectorAll("video");
    var needsHls = Array.prototype.some.call(videos, function (video) {
      var url =
        video.getAttribute("data-hls-src") ||
        video.getAttribute("data-src") ||
        video.getAttribute("src") ||
        "";
      return /\.m3u8(\?|#|$)/i.test(url) && !muxMp4FromUrl(url);
    });

    var initAll = function () {
      videos.forEach(startVideo);
    };

    if (needsHls) {
      loadHls().then(initAll).catch(initAll);
    } else {
      initAll();
    }
  });
})();