const __qsVideoId__ = (name) => `QuickStitch_MediaController_VideoSource_${name}`;
const __qsAudioId__ = (name) => `QuickStitch_MediaController_AudioSource_${name.includes(".") ? name : name + ".mp3"}`;
const __qsGetVideoByFileName__ = (name) => {return document.getElementById(__qsVideoId__(name));};
const __qsGetAudioByFileName__ = (name) => {return document.getElementById(__qsAudioId__(name));};
const __qsMediaElementsDictionary__ = { "video": {}, "audio": {} };

const selectQSVideoElement = (name) => {
  const vid = __qsVideoId__(name);
  if (!Object.keys(__qsMediaElementsDictionary__["video"]).includes(vid)) {
    __qsMediaElementsDictionary__["video"][vid] = __qsGetVideoByFileName__(name);
  };
  return __qsMediaElementsDictionary__["video"][vid];
};

const selectQSAudioElement = (name) => {
  const aid = __qsAudioId__(name);
  if (!Object.keys(__qsMediaElementsDictionary__["audio"]).includes(aid)) {
    __qsMediaElementsDictionary__["audio"][aid] = __qsGetAudioByFileName__(name);
  }
  return __qsMediaElementsDictionary__["audio"][aid];
};

window.pauseVideo = (name) => {selectQSVideoElement(name).pause();};
window.endTransitionalVideo = (name) => {
  const el = selectQSVideoElement(name);
  el.style.display = 'none';
  el.pause();
  el.currentTime = 0;
};
window.playTransitionalVideo = (name, muted=false, noReset=false) => {
  const el = selectQSVideoElement(name);
  el.style.zIndex = "9999";
  el.style.display = el.style.display === "none" ? "flex" : el.style.display;
  el.muted = muted;
  el.play();
  el.addEventListener('ended', () => {endTransitionalVideo(name);});
};
window.muteSFX = (name) => {const el=selectQSAudioElement(name);el.pause();el.currentTime = 0;};
window.playSFX = (name) => {selectQSAudioElement(name).play();};

let __bga = null;
window.setBgAudio = (name) => {__bga = selectQSAudioElement(name); return __bga;};
window.playBgAudio = () => {return __bga.play();};
window.pauseBgAudio = () => {return __bga.pause();};