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

  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\n" +
      "NOTE\n" +
      "This video has no spoken dialogue.\n\n" +
      "1\n" +
      "00:00:00.000 --> 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 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", "metadata");
  }

  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") return;
    video.dataset.hlsInit = "1";

    applyVideoFlags(video);

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

    if (isMp4) {
      if (video.src !== url) video.src = url;
      video.play().catch(function () {});
      return;
    }

    if (!isHls) return;

    if (video.canPlayType("application/vnd.apple.mpegurl")) {
      video.src = url;
      video.play().catch(function () {});
      return;
    }

    if (window.Hls && Hls.isSupported()) {
      var hls = new Hls({ enableWorker: true, autoStartLoad: true });
      hls.loadSource(url);
      hls.attachMedia(video);
      hls.on(Hls.Events.MANIFEST_PARSED, function () {
        video.play().catch(function () {});
      });
      hls.on(Hls.Events.ERROR, function (_, data) {
        if (data && data.fatal) {
          console.warn("HLS fatal:", data.type, data.details);
        }
      });
    }
  }

  ready(function () {
    var videos = document.querySelectorAll("video");

    var hasHls = 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);
    });

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

    if (hasHls) {
      loadScript("https://cdn.jsdelivr.net/npm/hls.js@latest")
        .then(initAll)
        .catch(function (e) {
          console.error("hls.js load error", e);
          initAll();
        });
    } else {
      initAll();
    }
  });
})();