/*
AUTHOR
  Trek Hopton <trek@ausocean.org>

LICENSE
  This file is Copyright (C) 2020 the Australian Ocean Lab (AusOcean)

  It is free software: you can redistribute it and/or modify them
  under the terms of the GNU General Public License as published by the
  Free Software Foundation, either version 3 of the License, or (at your
  option) any later version.

  It is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  for more details.

  You should have received a copy of the GNU General Public License in gpl.txt.
  If not, see http://www.gnu.org/licenses.

  For hls.js Copyright notice and license, see LICENSE file.
*/

/**
 * @readonly
 * @enum {string}
 */
const HlsEvents = {
  // fired to signal that a manifest loading starts - data: { url : manifestURL}
  MANIFEST_LOADING: 'hlsManifestLoading',
  // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}
  MANIFEST_LOADED: 'hlsManifestLoaded',
  // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}
  LEVEL_LOADING: 'hlsLevelLoading',
  // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }
  LEVEL_LOADED: 'hlsLevelLoaded',
  // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }
  LEVEL_UPDATED: 'hlsLevelUpdated',
  // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }
  AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',
  // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }
  AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',
  // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }
  SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',
  // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }
  SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',
  // fired when a fragment loading starts - data: { frag : fragment object }
  FRAG_LOADING: 'hlsFragLoading',
  // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }
  FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',
  // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }
  FRAG_LOADED: 'hlsFragLoaded'
};

export default HlsEvents;