// Wait for the Cast framework to be available
window.castReceiverManager = window.castReceiverManager || cast.framework.CastReceiverContext.getInstance();
const context = cast.framework.CastReceiverContext.getInstance();
const playerManager = context.getPlayerManager();
const video = document.getElementById('video');

// Initialize Shaka Player on the video element
const shakaPlayer = new shaka.Player(video);

// Optional Shaka configuration
shakaPlayer.configure({
  streaming: {
    rebufferingGoal: 15,
  },
});

// Listen for Shaka player errors
shakaPlayer.addEventListener('error', (event) => {
  log('Shaka Player error:', event.detail);
});

// Intercept LOAD requests
playerManager.setMessageInterceptor(
  cast.framework.messages.MessageType.LOAD,
  async (loadRequestData) => {
    const url = loadRequestData.media.contentId;
    try {
      if (shakaPlayer.isLive() || shakaPlayer.getMediaElement()) {
        await shakaPlayer.unload();
      }
      await shakaPlayer.load(url);
      playerManager.notifyPlayerStateChanged(cast.framework.PlaybackState.LOADING);
      return loadRequestData;
    } catch (error) {
      log('Failed to load media:', error);
      return null;
    }
  }
);

// Sync native video events to CAF
video.addEventListener('play', () => {
  playerManager.notifyPlayerStateChanged(cast.framework.PlaybackState.PLAYING);
});

video.addEventListener('pause', () => {
  playerManager.notifyPlayerStateChanged(cast.framework.PlaybackState.PAUSED);
});

video.addEventListener('seeking', () => {
  playerManager.notifySeekStarted();
});

video.addEventListener('seeked', () => {
  playerManager.notifySeekCompleted();
  playerManager.setPlaybackPosition(video.currentTime);
});

video.addEventListener('timeupdate', () => {
  playerManager.setPlaybackPosition(video.currentTime);
});

video.addEventListener('waiting', () => {
  playerManager.setIsBuffering(true);
});

video.addEventListener('playing', () => {
  playerManager.setIsBuffering(false);
});

// Handle play, pause, and seek commands from sender
playerManager.setMessageInterceptor(cast.framework.messages.MessageType.PLAY, () => {
  video.play();
});

playerManager.setMessageInterceptor(cast.framework.messages.MessageType.PAUSE, () => {
  video.pause();
});

playerManager.setMessageInterceptor(cast.framework.messages.MessageType.PAUSE, (newPosition) => {
  video.currentTime = newPosition;
});

// Start the Cast receiver context
context.start();