import 'package:halkyon_learn_flutter/src/feature/card/model/card_content.dart';
import 'package:halkyon_learn_flutter/src/feature/dictionary/model/dictionary.dart';
import 'package:halkyon_learn_flutter/src/feature/jellyfin/model/jellyfin.dart';

import 'fake_dictionary_gateway.dart';
import 'fake_jellyfin.dart';

/// The show of the sample library.
const sampleShow = JellyfinItem(
  id: 'show-1',
  name: 'Sample Journey',
  kind: JellyfinItemKind.series,
  year: 2026,
);

/// Its first episode.
const sampleEpisode = JellyfinItem(
  id: 'episode-1',
  name: 'The Station',
  kind: JellyfinItemKind.episode,
  seriesName: 'Sample Journey',
  seasonNumber: 1,
  episodeNumber: 1,
  runTime: Duration(minutes: 24),
);

/// The episode's playback: a Japanese track and an English one.
const sampleEpisodePlayback = JellyfinPlayback(
  itemId: 'episode-1',
  mediaSourceId: 'episode-1',
  playSessionId: 'session-1',
  runTime: Duration(minutes: 24),
  subtitles: [
    JellyfinSubtitleTrack(
      index: 2,
      title: '日本語 - Japanese',
      language: 'jpn',
      isDefault: true,
    ),
    JellyfinSubtitleTrack(index: 3, title: 'English', language: 'eng'),
  ],
);

/// The episode's Japanese subtitles, as Jellyfin converts them.
const sampleJapanese = '''
WEBVTT

00:00:01.000 --> 00:00:05.000
昨日、駅で友達に会いました。

00:00:06.000 --> 00:00:10.000
まだ読んでいないけど、面白そうだね。

00:00:11.000 --> 00:00:15.000
一緒に旅を続けよう。

00:00:16.000 --> 00:00:20.000
駅で友達を待っている。
''';

/// Its English subtitles.
const sampleEnglish = '''
WEBVTT

00:00:01.000 --> 00:00:05.000
Yesterday I met a friend at the station.

00:00:06.000 --> 00:00:10.000
Not yet, but it looks interesting.

00:00:11.000 --> 00:00:15.000
Let's continue the journey together.

00:00:16.000 --> 00:00:20.000
I'm waiting for a friend at the station.
''';

DictionaryWord _word(
  String id,
  String headword, {
  String? reading,
  required List<String> glosses,
  List<String> pos = const ['n'],
  List<String> misc = const [],
  List<String> labels = const ['common'],
  List<WordExample> examples = const [],
}) => DictionaryWord(
  ref: (source: 'jmdict', id: id),
  headword: headword,
  reading: reading,
  labels: labels,
  senses: [VocabularySense(glosses: glosses, pos: pos, misc: misc)],
  examples: examples,
);

/// The JMdict entries of the sample's words, as the instance gives them.
final sampleWords = [
  _word(
    '1',
    '昨日',
    reading: 'きのう',
    glosses: ['yesterday'],
    labels: ['common', 'jlpt:n5'],
  ),
  _word(
    '2',
    '駅',
    reading: 'えき',
    glosses: ['station'],
    labels: ['common', 'jlpt:n5'],
  ),
  _word('3', 'で', glosses: ['at', 'in'], pos: ['prt']),
  _word(
    '4',
    '友達',
    reading: 'ともだち',
    glosses: ['friend'],
    labels: ['common', 'jlpt:n5'],
  ),
  _word('5', 'に', glosses: ['to', 'at'], pos: ['prt']),
  _word(
    '6',
    '会う',
    reading: 'あう',
    glosses: ['to meet'],
    pos: ['v5u', 'vi'],
    labels: ['common', 'jlpt:n5'],
    // As Tatoeba's checked sentences come through JMdict.
    examples: [
      (
        form: '会いましょう',
        sentence: 'また会いましょう。',
        translation: "Let's meet again.",
      ),
    ],
  ),
  _word(
    '7',
    '未だ',
    reading: 'まだ',
    glosses: ['still', 'not yet'],
    pos: ['adv'],
    misc: ['uk'],
    labels: ['common', 'jlpt:n5'],
  ),
  _word(
    '8',
    '読む',
    reading: 'よむ',
    glosses: ['to read'],
    pos: ['v5m', 'vt'],
    labels: ['common', 'jlpt:n5'],
  ),
  _word('9', 'けど', glosses: ['but', 'however'], pos: ['conj']),
  _word(
    '10',
    '面白い',
    reading: 'おもしろい',
    glosses: ['interesting', 'amusing'],
    pos: ['adj-i'],
    labels: ['common', 'jlpt:n5'],
  ),
  _word('11', 'だ', glosses: ['be', 'is'], pos: ['cop']),
  _word('12', 'ね', glosses: ["isn't it?"], pos: ['prt']),
  _word(
    '13',
    '一緒に',
    reading: 'いっしょに',
    glosses: ['together'],
    pos: ['adv'],
    labels: ['common', 'jlpt:n4'],
  ),
  _word(
    '14',
    '旅',
    reading: 'たび',
    glosses: ['travel', 'trip', 'journey'],
    labels: ['common', 'jlpt:n3'],
  ),
  _word('15', 'を', glosses: ['indicates direct object'], pos: ['prt']),
  _word(
    '16',
    '続ける',
    reading: 'つづける',
    glosses: ['to continue'],
    pos: ['v1', 'vt'],
    labels: ['common', 'jlpt:n4'],
  ),
  _word(
    '17',
    '待つ',
    reading: 'まつ',
    glosses: ['to wait'],
    pos: ['v5t', 'vt'],
    labels: ['common', 'jlpt:n5'],
  ),
];

/// An instance with JMdict holding the sample's words.
FakeDictionaryGateway sampleDictionary() =>
    FakeDictionaryGateway(words: sampleWords);

/// The sample library: Anime, holding the show, its season and episode.
FakeJellyfinGateway sampleJellyfin({
  JellyfinPlayback playback = sampleEpisodePlayback,
  Map<(String, int), String> vtt = const {
    ('episode-1', 2): sampleJapanese,
    ('episode-1', 3): sampleEnglish,
  },
}) => FakeJellyfinGateway(
  tree: {
    '': [
      const JellyfinItem(
        id: 'library-1',
        name: 'Anime',
        kind: JellyfinItemKind.library,
      ),
    ],
    'library-1': [sampleShow],
    'show-1': [
      const JellyfinItem(
        id: 'season-1',
        name: 'Season 1',
        kind: JellyfinItemKind.season,
        seriesName: 'Sample Journey',
        seasonNumber: 1,
      ),
    ],
    'season-1': [sampleEpisode],
  },
  playbacks: {'episode-1': playback},
  vtt: vtt,
);

/// The device signed in as `mika` on the sample server.
MemoryJellyfinStore signedInJellyfin() => MemoryJellyfinStore(
  kept: JellyfinState(
    deviceId: 'device-1',
    account: JellyfinAccount(
      server: fakeJellyfinServer,
      userId: 'user-1',
      userName: 'mika',
      token: 'token-1',
    ),
  ),
);

/// A sample song: its album, by Sample Artist, holds it with lyrics timed
/// line by line, and an instrumental without.
const sampleSong = JellyfinItem(
  id: 'song-1',
  name: 'Sample Song',
  kind: JellyfinItemKind.audio,
  artist: 'Sample Artist',
  hasLyrics: true,
  hasImage: true,
  runTime: Duration(minutes: 3),
);

/// A music library of one album: [sampleSong] and an instrumental.
FakeJellyfinGateway sampleMusic() => FakeJellyfinGateway(
  tree: {
    '': [
      const JellyfinItem(
        id: 'music-1',
        name: 'Music',
        kind: JellyfinItemKind.library,
      ),
    ],
    'music-1': [
      const JellyfinItem(
        id: 'album-1',
        name: 'Sample Album',
        kind: JellyfinItemKind.album,
        artist: 'Sample Artist',
      ),
    ],
    'album-1': [
      sampleSong,
      const JellyfinItem(
        id: 'song-2',
        name: 'Sample Song (Instrumental)',
        kind: JellyfinItemKind.audio,
        artist: 'Sample Artist',
        runTime: Duration(minutes: 3),
      ),
    ],
  },
  playbacks: {
    'song-1': const JellyfinPlayback(
      itemId: 'song-1',
      mediaSourceId: 'song-1',
      playSessionId: 'session-2',
      subtitles: [],
      runTime: Duration(minutes: 3),
      audioOnly: true,
    ),
  },
  lyricsOf: {
    'song-1': const [
      (text: '昨日、駅で友達に会いました。', start: Duration(seconds: 1)),
      (text: '', start: Duration(seconds: 5)),
      (text: 'まだ読んでいないけど、面白そうだね。', start: Duration(seconds: 6)),
    ],
  },
);