/**
 * Spotnet's category tree, from Spotweb's SpotCategories (English names).
 * A spot has a head category (0–3) and subcategories per type letter:
 * `a` format/platform, `b` source/format/genre, `c` language/bitrate/genre,
 * `d` genre, `z` kind (movie, series, book, …).
 */
export const SPOT_HEAD_CATEGORIES = ['Image', 'Sound', 'Games', 'Applications']

/** What each type letter means per head category. */
export const SPOT_SUBCAT_TYPES: Record<string, string>[] = [
  { a: 'Format', b: 'Source', c: 'Language', d: 'Genre', z: 'Type' },
  { a: 'Format', b: 'Source', c: 'Bitrate', d: 'Genre', z: 'Type' },
  { a: 'Platform', b: 'Format', c: 'Genre', z: 'Type' },
  { a: 'Platform', b: 'Genre', z: 'Type' },
]

const NAMES: Record<string, Record<number, string>>[] = [
  {
    a: {
      0: 'DivX',
      1: 'WMV',
      2: 'MPG',
      3: 'DVD5',
      4: 'HD other',
      5: 'ePub',
      6: 'Blu-ray',
      7: 'HD-DVD',
      8: 'WMVHD',
      9: 'x264',
      10: 'DVD9',
      11: 'PDF',
      12: 'Bitmap',
      13: 'Vector',
      14: '3D',
      15: 'UHD',
    },
    b: {
      0: 'CAM',
      1: '(S)VCD',
      2: 'Promo',
      3: 'Retail',
      4: 'TV',
      6: 'Satellite',
      7: 'R5',
      8: 'Telecine',
      9: 'Telesync',
      10: 'Scan',
      11: 'WEB-DL',
      12: 'WEBRip',
      13: 'HDRip',
    },
    c: {
      0: 'No subtitles',
      1: 'Dutch subtitles (external)',
      2: 'Dutch subtitles (builtin)',
      3: 'English subtitles (external)',
      4: 'English subtitles (builtin)',
      6: 'Dutch subtitles (available)',
      7: 'English subtitles (available)',
      10: 'English audio/written',
      11: 'Dutch audio/written',
      12: 'German audio/written',
      13: 'French audio/written',
      14: 'Spanish audio/written',
      15: 'Asian audio/written',
    },
    d: {
      0: 'Action',
      1: 'Adventure',
      2: 'Animation',
      3: 'Cabaret',
      4: 'Comedy',
      5: 'Crime',
      6: 'Documentary',
      7: 'Drama',
      8: 'Family',
      9: 'Fantasy',
      10: 'Arthouse',
      11: 'Television',
      12: 'Horror',
      13: 'Music',
      14: 'Musical',
      15: 'Mystery',
      16: 'Romance',
      17: 'Science Fiction',
      18: 'Sport',
      19: 'Short movie',
      20: 'Thriller',
      21: 'War',
      22: 'Western',
      23: 'Erotica (hetero)',
      24: 'Erotica (gay male)',
      25: 'Erotica (gay female)',
      26: 'Erotica (bi)',
      28: 'Asian',
      29: 'Anime',
      30: 'Cover',
      31: 'Comicbook',
      32: 'Cartoons',
      33: 'Youth',
      34: 'Business',
      35: 'Computer',
      36: 'Hobby',
      37: 'Cooking',
      38: 'Handwork',
      39: 'Craftwork',
      40: 'Health',
      41: 'History',
      42: 'Psychology',
      43: 'Newspaper',
      44: 'Magazine',
      45: 'Science',
      46: 'Female',
      47: 'Religion',
      48: 'Roman',
      49: 'Biography',
      50: 'Detective',
      51: 'Animals',
      52: 'Humor',
      53: 'Travel',
      54: 'True story',
      55: 'Non-fiction',
      56: 'Politics',
      57: 'Poetry',
      58: 'Fairy tale',
      59: 'Technical',
      60: 'Art',
      72: 'Bi',
      73: 'Lesbian',
      74: 'Homo',
      75: 'Hetero',
      76: 'Amature',
      77: 'Group',
      78: 'POV',
      79: 'Solo',
      80: 'Young',
      81: 'Soft',
      82: 'Fetish',
      83: 'Old',
      84: 'Fat',
      85: 'SM',
      86: 'Rough',
      87: 'Dark',
      88: 'Hentai',
      89: 'Outside',
    },
    z: { 0: 'Movie', 1: 'Series', 2: 'Book', 3: 'Erotica', 4: 'Picture' },
  },
  {
    a: {
      0: 'MP3',
      1: 'WMA',
      2: 'WAV',
      3: 'OGG',
      4: 'EAC',
      5: 'DTS',
      6: 'AAC',
      7: 'APE',
      8: 'FLAC',
    },
    b: { 0: 'CD', 1: 'Radio', 2: 'Compilation', 3: 'DVD', 4: 'Other', 5: 'Vinyl', 6: 'Stream' },
    c: {
      0: 'Variable',
      1: '< 96kbit',
      2: '96kbit',
      3: '128kbit',
      4: '160kbit',
      5: '192kbit',
      6: '256kbit',
      7: '320kbit',
      8: 'Lossless',
      9: 'Other',
    },
    d: {
      0: 'Blues',
      1: 'Compilation',
      2: 'Cabaret',
      3: 'Dance',
      4: 'Diverse',
      5: 'Hardcore',
      6: 'World',
      7: 'Jazz',
      8: 'Youth',
      9: 'Classical',
      10: 'Kleinkunst',
      11: 'Dutch',
      12: 'New Age',
      13: 'Pop',
      14: 'RnB',
      15: 'Hiphop',
      16: 'Reggae',
      17: 'Religious',
      18: 'Rock',
      19: 'Soundtracks',
      20: 'Other',
      21: 'Hardstyle',
      22: 'Asian',
      23: 'Disco',
      24: 'Classics',
      25: 'Metal',
      26: 'Country',
      27: 'Dubstep',
      28: 'Nederhop',
      29: 'DnB',
      30: 'Electro',
      31: 'Folk',
      32: 'Soul',
      33: 'Trance',
      34: 'Balkan',
      35: 'Techno',
      36: 'Ambient',
      37: 'Latin',
      38: 'Live',
    },
    z: { 0: 'Album', 1: 'Liveset', 2: 'Podcast', 3: 'Audiobook' },
  },
  {
    a: {
      0: 'Windows',
      1: 'Macintosh',
      2: 'Linux',
      3: 'Playstation',
      4: 'Playstation 2',
      5: 'PSP',
      6: 'Xbox',
      7: 'Xbox 360',
      8: 'Gameboy Advance',
      9: 'Gamecube',
      10: 'Nintendo DS',
      11: 'Nintento Wii',
      12: 'Playstation 3',
      13: 'Windows Phone',
      14: 'iOS',
      15: 'Android',
      16: 'Nintendo 3DS',
      17: 'Playstation 4',
      18: 'XBox 1',
    },
    b: { 0: 'ISO', 1: 'Rip', 2: 'Retail', 3: 'DLC', 4: '', 5: 'Patch', 6: 'Crack' },
    c: {
      0: 'Action',
      1: 'Adventure',
      2: 'Strategy',
      3: 'Roleplaying',
      4: 'Simulation',
      5: 'Race',
      6: 'Flying',
      7: 'Shooter',
      8: 'Platform',
      9: 'Sport',
      10: 'Child/youth',
      11: 'Puzzle',
      12: 'Other',
      13: 'Boardgame',
      14: 'Cards',
      15: 'Education',
      16: 'Music',
      17: 'Family',
    },
  },
  {
    a: {
      0: 'Windows',
      1: 'Macintosh',
      2: 'Linux',
      3: 'OS/2',
      4: 'Windows Phone',
      5: 'Navigation systems',
      6: 'iOS',
      7: 'Android',
    },
    b: {
      0: 'Audio',
      1: 'Video',
      2: 'Graphics',
      3: 'CD/DVD Tools',
      4: 'Media players',
      5: 'Rippers &amp; Encoders',
      6: 'Plugins',
      7: 'Database tools',
      8: 'Email software',
      9: 'Photo',
      10: 'Screensavers',
      11: 'Skin software',
      12: 'Drivers',
      13: 'Browsers',
      14: 'Download managers',
      15: 'Download',
      16: 'Usenet software',
      17: 'RSS Readers',
      18: 'FTP software',
      19: 'Firewalls',
      20: 'Antivirus software',
      21: 'Antispyware software',
      22: 'Optimization software',
      23: 'Security software',
      24: 'System software',
      25: 'Other',
      26: 'Educational',
      27: 'Office',
      28: 'Internet',
      29: 'Communication',
      30: 'Development',
      31: 'Spotnet',
    },
  },
]

export interface SpotCategoryLabels {
  head: string | null
  /** In type order (z, a, b, c, d), e.g. { type: 'Language', values: ['Dutch subtitles (builtin)'] }. */
  subcats: { type: string; values: string[] }[]
}

/** Readable names for a spot's head category and subcategories (e.g. { a: [9], z: [0] }). */
export function spotCategoryLabels(
  category: number | null,
  subcats: Record<string, number[]> | null
): SpotCategoryLabels {
  if (category === null || !(category in NAMES)) return { head: null, subcats: [] }
  const labels: SpotCategoryLabels['subcats'] = []
  for (const letter of ['z', 'a', 'b', 'c', 'd']) {
    const values = [
      ...new Set(
        (subcats?.[letter] ?? [])
          .map((n) => NAMES[category][letter]?.[n])
          .filter((v): v is string => Boolean(v))
      ),
    ]
    if (values.length) labels.push({ type: SPOT_SUBCAT_TYPES[category][letter] ?? letter, values })
  }
  return { head: SPOT_HEAD_CATEGORIES[category], subcats: labels }
}