(function () {
  'use strict';

  var VERSION = 10;
  if (window.__portfolioVideoDecoderVersion === VERSION) return;
  window.__portfolioVideoDecoderVersion = VERSION;

  var HLS_CDN = 'https://cdn.jsdelivr.net/npm/hls.js@1.5.7/dist/hls.min.js';
  var MOBILE_MQ = '(max-width: 991px)';
  var HERO_HLS_OPTS = {
    enableWorker: true,
    autoStartLoad: true,
    startFragPrefetch: true,
    maxBufferLength: 30,
    maxMaxBufferLength: 60,
    startLevel: 0,
    capLevelToPlayerSize: true
  };

  function loadHls() {
    if (window.Hls) return Promise.resolve();
    if (window.__portfolioHlsLoadPromise) return window.__portfolioHlsLoadPromise;
    window.__portfolioHlsLoadPromise = 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.__portfolioHlsLoadPromise;
  }

  loadHls().catch(function () {});

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

  function isArchiveGridVideo(video) {
    return !!(video && video.closest('.custom_grid .archive_item'));
  }

  function isCmsHeroVideo(video) {
    return !!(video && video.closest('.cms_background .cms_item'));
  }

  function getCmsItem(video) {
    return video ? video.closest('.cms_background .cms_item') : null;
  }

  function getHlsUrl(video) {
    return (
      video.getAttribute('data-hls-src') ||
      video.getAttribute('data-hsl-src') ||
      ''
    );
  }

  function getMuxPlaybackId(ref) {
    var m = (ref || '').match(/stream\.mux\.com\/([^/?#]+)/i);
    if (!m) return '';
    return m[1].replace(/\.m3u8$/i, '');
  }

  function getMuxMp4Url(video) {
    var id = getMuxPlaybackId(getHlsUrl(video) || video.getAttribute('src') || '');
    if (!id) return '';
    return 'https://stream.mux.com/' + id + '/capped-1080p.mp4';
  }

  function getVideoUrl(video) {
    return (
      video.getAttribute('data-mp4-src') ||
      video.getAttribute('data-src') ||
      getHlsUrl(video) ||
      video.getAttribute('src') ||
      ''
    );
  }

  function getHeroPlaybackUrl(video) {
    var mp4 = video.getAttribute('data-mp4-src') || video.getAttribute('data-src') || '';
    if (/\.mp4(\?|#|$)/i.test(mp4)) return { type: 'mp4', url: mp4 };
    var muxMp4 = getMuxMp4Url(video);
    if (muxMp4) return { type: 'mp4', url: muxMp4, fallback: getHlsUrl(video) };
    var hls = getHlsUrl(video);
    if (hls) return { type: 'hls', url: hls };
    return { type: 'unknown', url: video.getAttribute('src') || '' };
  }

  function shouldInit(video) {
    if (video.closest('.surf_live_overlay') || video.getAttribute('data-surf-live-player') === '1') {
      return false;
    }
    if (window.__workVisualVideoVersion && video.closest('.visual_item')) return false;
    if (isArchiveGridVideo(video)) {
      if (window.__archiveMobileVideoActive) return false;
      if (window.matchMedia(MOBILE_MQ).matches) return false;
    }
    return true;
  }

  function requestPlay(video) {
    if (!video) return;
    function tryPlay() {
      if (!video.paused) return;
      video.play().catch(function () {});
    }
    tryPlay();
    if (video.readyState < 3) {
      video.addEventListener('loadeddata', tryPlay, { once: true });
      video.addEventListener('canplay', tryPlay, { once: true });
    }
  }

  function clearPosterLayers(video, item) {
    item = item || getCmsItem(video);
    if (!video) return;
    video.removeAttribute('poster');
    if (item && item.dataset.posterBg === '1') {
      item.style.backgroundImage = '';
      item.style.backgroundSize = '';
      item.style.backgroundPosition = '';
      delete item.dataset.posterBg;
    }
  }

  function markVideoReady(video) {
    var item = getCmsItem(video);
    if (item) item.classList.add('is-video-ready');
  }

  function revealHeroVideo(video) {
    if (!video || !isCmsHeroVideo(video)) return;
    if (video.dataset.heroRevealed === '1') return;

    function tryReveal() {
      if (video.dataset.heroRevealed === '1') return;
      if (video.readyState < 2) return;
      if (video.paused && video.currentTime <= 0) return;

      video.dataset.heroRevealed = '1';
      markVideoReady(video);
      var item = getCmsItem(video);
      if (item && item.classList.contains('is-active')) {
        clearPosterLayers(video, item);
      }
    }

    video.addEventListener('loadeddata', tryReveal);
    video.addEventListener('canplay', tryReveal);
    video.addEventListener('playing', tryReveal);
    video.addEventListener(
      'timeupdate',
      function onTU() {
        if (video.currentTime > 0.01) {
          video.removeEventListener('timeupdate', onTU);
          tryReveal();
        }
      }
    );
    tryReveal();
  }

  function ensureCmsPosterFallback(video) {
    var item = getCmsItem(video);
    if (!item || item.dataset.posterBg === '1') return;
    var poster = video.getAttribute('poster');
    if (!poster) return;
    item.dataset.posterBg = '1';
    item.style.backgroundImage = 'url("' + poster.replace(/"/g, '%22') + '")';
    item.style.backgroundSize = 'cover';
    item.style.backgroundPosition = 'center';
  }

  function addDecorativeCaptionsTrack(video) {
    if (video.querySelector('track[data-ps-track="1"]')) return;
    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('WEBVTT\n\n1\n00:00:00.000 --> 00:00:01.000\n.\n');
    video.appendChild(track);
    if (video.textTracks && video.textTracks.length) {
      try {
        video.textTracks[0].mode = 'hidden';
      } catch (e) {}
    }
  }

  function applyVideoFlags(video, isHero) {
    video.muted = true;
    video.defaultMuted = true;
    video.loop = true;
    video.playsInline = true;
    video.setAttribute('muted', '');
    video.setAttribute('loop', '');
    video.setAttribute('playsinline', '');
    video.setAttribute('preload', 'auto');
    video.removeAttribute('data-lazy-load');
    if (!video.crossOrigin) video.crossOrigin = 'anonymous';
    if (isHero) {
      ensureCmsPosterFallback(video);
      revealHeroVideo(video);
    }
  }

  function attachHls(video, url, shouldPlay) {
    loadHls()
      .then(function () {
        if (!window.Hls || !Hls.isSupported()) {
          video.src = url;
          if (shouldPlay) requestPlay(video);
          return;
        }
        if (video._portfolioHls) {
          video._portfolioHls.destroy();
          video._portfolioHls = null;
        }
        var hls = new Hls(HERO_HLS_OPTS);
        hls.loadSource(url);
        hls.attachMedia(video);
        hls.on(Hls.Events.MANIFEST_PARSED, function () {
          if (shouldPlay) requestPlay(video);
        });
        hls.on(Hls.Events.FRAG_BUFFERED, function (_, data) {
          if (shouldPlay && data && data.frag && data.frag.sn === 0) {
            requestPlay(video);
          }
        });
        hls.on(Hls.Events.ERROR, function (_, data) {
          if (data && data.fatal) {
            console.warn('[portfolio-video-decoder] HLS fatal:', data.type, data.details);
          }
        });
        video._portfolioHls = hls;
      })
      .catch(function () {
        video.src = url;
        if (shouldPlay) requestPlay(video);
      });
  }

  function loadNativeVideo(video, url, shouldPlay) {
    if (video.src !== url) video.src = url;
    if (shouldPlay) {
      video.addEventListener('canplay', function () { requestPlay(video); }, { once: true });
      requestPlay(video);
    }
  }

  function loadSource(video, spec, shouldPlay) {
    if (!spec || !spec.url) return;

    if (spec.type === 'hls' || /\.m3u8(\?|#|$)/i.test(spec.url)) {
      if (video.canPlayType('application/vnd.apple.mpegurl')) {
        loadNativeVideo(video, spec.url, shouldPlay);
        return;
      }
      attachHls(video, spec.url, shouldPlay);
      return;
    }

    function useHlsFallback() {
      if (!spec.fallback) return;
      try {
        video.removeAttribute('src');
      } catch (e) {}
      attachHls(video, spec.fallback, shouldPlay);
    }

    video.addEventListener(
      'error',
      function onErr() {
        video.removeEventListener('error', onErr);
        useHlsFallback();
      },
      { once: true }
    );
    loadNativeVideo(video, spec.url, shouldPlay);
  }

  function resetVideoInit(video) {
    if (!video) return;
    if (video._portfolioHls) {
      try {
        video._portfolioHls.destroy();
      } catch (e) {}
      video._portfolioHls = null;
    }
    delete video.dataset.hlsInit;
    delete video.dataset.carouselPrimed;
    try {
      video.removeAttribute('src');
      video.load();
    } catch (e) {}
  }

  function startVideo(video, options) {
    if (!video || !shouldInit(video)) return;
    options = options || {};
    var isHero = !!options.isHero || isCmsHeroVideo(video);
    var shouldPlay = options.shouldPlay !== false && !options.bufferOnly;

    addDecorativeCaptionsTrack(video);

    if (video.dataset.hlsInit === '1') {
      if (video.error) resetVideoInit(video);
      else {
        if (shouldPlay) requestPlay(video);
        return;
      }
    }

    var spec = isHero ? getHeroPlaybackUrl(video) : { type: 'auto', url: getVideoUrl(video) };
    if (!spec.url) return;

    video.dataset.hlsInit = '1';
    applyVideoFlags(video, isHero);

    if (isHero) {
      loadSource(video, spec, shouldPlay);
      return;
    }

    if (/\.mp4(\?|#|$)/i.test(spec.url)) {
      loadNativeVideo(video, spec.url, shouldPlay);
      return;
    }

    if (/\.m3u8(\?|#|$)/i.test(spec.url)) {
      loadSource(video, { type: 'hls', url: spec.url }, shouldPlay);
      return;
    }

    if (shouldPlay) requestPlay(video);
  }

  function bufferHeroVideo(video) {
    if (!video || !shouldInit(video)) return;
    startVideo(video, { isHero: true, bufferOnly: true, shouldPlay: false });
  }

  function playHeroVideo(video) {
    if (!video) return;
    revealHeroVideo(video);
    startVideo(video, { isHero: true, shouldPlay: true });
    requestPlay(video);
    var item = getCmsItem(video);
    if (item && item.classList.contains('is-active') && video.readyState >= 2 && video.currentTime > 0) {
      clearPosterLayers(video, item);
    }
  }

  function bufferAllHeroVideos() {
    var items = document.querySelectorAll('.background_cases .cms_background .cms_item');
    var activeVideos = [];
    var idleVideos = [];

    items.forEach(function (item) {
      item.querySelectorAll('video').forEach(function (video) {
        if (item.classList.contains('is-active')) activeVideos.push(video);
        else idleVideos.push(video);
      });
    });

    activeVideos.forEach(playHeroVideo);

    idleVideos.forEach(function (video, i) {
      setTimeout(function () {
        bufferHeroVideo(video);
      }, 120 + i * 80);
    });
  }

  function disconnectArchiveVideos() {
    document.querySelectorAll('.custom_grid .archive_item video').forEach(function (video) {
      video.pause();
      if (video._portfolioHls) {
        try {
          video._portfolioHls.destroy();
        } catch (e) {}
        video._portfolioHls = null;
      }
      video.removeAttribute('src');
      try {
        video.load();
      } catch (e) {}
      delete video.dataset.hlsInit;
    });
  }

  function initVideo(video) {
    if (!shouldInit(video)) return;
    if (isCmsHeroVideo(video)) {
      var item = getCmsItem(video);
      if (item && item.classList.contains('is-active')) playHeroVideo(video);
      else bufferHeroVideo(video);
      return;
    }
    startVideo(video);
  }

  function initAll() {
    document.querySelectorAll('video').forEach(initVideo);
  }

  function warmVideo(video, keepPlaying) {
    if (!video || !shouldInit(video)) return;
    if (isCmsHeroVideo(video)) {
      bufferHeroVideo(video);
      if (keepPlaying) playHeroVideo(video);
      return;
    }
    startVideo(video, { bufferOnly: true, shouldPlay: false });
    if (!keepPlaying) video.pause();
  }

  window.startPortfolioVideo = startVideo;
  window.playPortfolioHeroVideo = playHeroVideo;
  window.bufferPortfolioHeroVideo = bufferHeroVideo;
  window.bufferAllPortfolioHeroVideos = bufferAllHeroVideos;
  window.warmPortfolioVideo = warmVideo;
  window.disconnectPortfolioArchiveVideos = disconnectArchiveVideos;

  ready(function () {
    bufferAllHeroVideos();
    initAll();

    if (typeof MutationObserver === 'function') {
      var pending = false;
      var observer = new MutationObserver(function () {
        if (pending) return;
        pending = true;
        requestAnimationFrame(function () {
          pending = false;
          initAll();
        });
      });
      observer.observe(document.documentElement, {
        childList: true,
        subtree: true,
        attributes: true,
        attributeFilter: ['data-hls-src', 'data-src', 'src', 'class']
      });
    }

    window.addEventListener('pageshow', function (e) {
      document.querySelectorAll('.cms_background .cms_item.is-active video').forEach(playHeroVideo);
      if (e.persisted) bufferAllHeroVideos();
    });

    console.info('[portfolio-video-decoder v' + VERSION + '] ready');
  });
})();