'use strict';

const Parser = require('..');
const Text = require('./Text');
const Thumbnail = require('./Thumbnail');
const NavigationEndpoint = require('./NavigationEndpoint');

class MusicTwoRowItem {
  type = 'MusicTwoRowItem';

  constructor(data) {
    this.title = new Text(data.title);

    this.endpoint = new NavigationEndpoint(data.navigationEndpoint);

    this.id = this.endpoint.browse?.id ||
      this.endpoint.watch.video_id;

    this.subtitle = new Text(data.subtitle);
    this.badges = Parser.parse(data.subtitleBadges);

    switch (this.endpoint.browse?.page_type) {
      case 'MUSIC_PAGE_TYPE_ARTIST':
        this.type = 'artist';
        this.subscribers = this.subtitle.toString();
        break;
      case 'MUSIC_PAGE_TYPE_PLAYLIST':
        this.type = 'playlist';
        this.item_count = parseInt(this.subtitle.runs
          .find((run) => run.text
            .match(/\d+ (songs|song)/))?.text
          .match(/\d+/g)) || null;
        break;
      case 'MUSIC_PAGE_TYPE_ALBUM':
        this.type = 'album';

        const artists = this.subtitle.runs.filter((run) => run.endpoint.browse?.id.startsWith('UC'));
        if (artists) {
          this.artists = artists.map((artist) => ({
            name: artist.text,
            channel_id: artist.endpoint.browse.id,
            endpoint: artist.endpoint
          }));
        }

        this.year = this.subtitle.runs.slice(-1)[0].text;

        if (isNaN(this.year))
          delete this.year;
        break;
      default:
        if (this.subtitle.runs[0].text !== 'Song') {
          this.type = 'video';
        } else {
          this.type = 'song';
        }

        if (this.type == 'video') {
          this.views = this.subtitle.runs
            .find((run) => run.text.match(/(.*?) views/)).text;

          const author = this.subtitle.runs.find((run) => run.endpoint.browse?.id.startsWith('UC'));

          if (author) {
            this.author = {
              name: author.text,
              channel_id: author.endpoint.browse.id,
              endpoint: author.endpoint
            };
          }
        } else {
          const artists = this.subtitle.runs.filter((run) => run.endpoint.browse?.id.startsWith('UC'));

          if (artists) {
            this.artists = artists.map((artist) => ({
              name: artist.text,
              channel_id: artist.endpoint.browse.id,
              endpoint: artist.endpoint
            }));
          }
        }
        break;
    }

    this.thumbnail = Thumbnail.fromResponse(data.thumbnailRenderer.musicThumbnailRenderer.thumbnail);
    this.thumbnail_overlay = Parser.parse(data.thumbnailOverlay);
    this.menu = Parser.parse(data.menu);
  }
}

module.exports = MusicTwoRowItem;