import 'package:freezer/api/definitions.dart' as d;
import 'package:freezer/api/definitions.dart' show AlbumType;
import 'package:freezer/api/paths.dart';
import 'package:isar/isar.dart';

part 'database.g.dart';

class Database {
  static Future<Isar> open() async => Isar.open(
        [
          // collections
          TrackSchema,
          AlbumSchema,
          ArtistSchema,
          PlaylistSchema,
        ],
        directory: await Paths.dataDirectory(),
        name: 'offline',
      );

  static String sanitize(String input) =>
      input.replaceAll(RegExp(r'[\/\\\?\%\*\:\|\"\<\>]'), '');
}

@collection
class Track {
  Id get isarId => int.parse(id);
  late final String id;

  // index title for search
  @Index(type: IndexType.value)
  late final String title;
  late final String albumId;
  late final List<String> artistIds;
  late final DeezerImageDetails albumArt;
  late final int? trackNumber;
  late final bool offline;
  late final Lyrics? lyrics;
  late final bool favorite;
  late final int? diskNumber;
  late final bool explicit;
  late final String localPath;

  Track();

  factory Track.from(d.Track t) {
    return Track()
      ..id = t.id
      ..title = t.title!
      ..albumId = t.album!.id!
      ..artistIds = t.artists!.map((e) => e.id).toList(growable: false)
      ..albumArt = DeezerImageDetails.from(t.albumArt!)
      ..trackNumber = t.trackNumber
      ..offline = t.offline ?? false
      ..lyrics = t.lyrics == null ? null : Lyrics.from(t.lyrics!)
      ..favorite = t.favorite ?? false
      ..diskNumber = t.diskNumber
      ..explicit = t.explicit ?? false;
  }

  d.Track to({d.Album? album, List<d.Artist>? artists}) {
    return d.Track(
      id: id,
      title: title,
      album: album ?? d.Album(id: albumId),
      artists: artists ??
          artistIds.map((id) => d.Artist(id: id)).toList(growable: false),
      albumArt: albumArt.to(),
      trackNumber: trackNumber,
      offline: offline,
      lyrics: lyrics?.to(),
      favorite: favorite,
      diskNumber: diskNumber,
      explicit: explicit,
    );
  }
}

@collection
class Album {
  Id get isarId => int.parse(id);
  late final String id;

  @Index(type: IndexType.value)
  late final String title;
  late final List<String> artistIds;
  late final List<String> trackIds;
  late final DeezerImageDetails art;
  late final int fansCount;
  late final bool offline;
  late final bool library;
  @enumerated
  late final AlbumType type;
  late final String releaseDate;

  Album();

  factory Album.from(d.Album album) {
    return Album()
      ..id = album.id!
      ..title = album.title!
      ..artistIds = album.artists!.map((e) => e.id).toList(growable: false)
      ..trackIds = album.tracks!.map((e) => e.id).toList(growable: false)
      ..art = DeezerImageDetails.from(album.art!)
      ..fansCount = album.fans!
      ..offline = album.offline ?? false
      ..library = album.library ?? false
      ..type = album.type!
      ..releaseDate = album.releaseDate!;
  }

  d.Album to({List<d.Artist>? artists, List<d.Track>? tracks}) {
    return d.Album(
      id: id,
      title: title,
      art: art.to(),
      artists: artists ??
          artistIds.map((id) => d.Artist(id: id)).toList(growable: false),
      tracks: tracks ??
          trackIds.map((id) => d.Track(id: id)).toList(growable: false),
      fans: fansCount,
      offline: offline,
      library: library,
      type: type,
      releaseDate: releaseDate,
    );
  }
}

@collection
class Artist {
  Id get isarId => int.parse(id);
  late final String id;

  @Index(type: IndexType.value)
  late final String name;
  late final List<String> albumIds;
  late final List<String> topTracksIds;
  late final DeezerImageDetails picture;
  late final int fansCount;
  late final int albumCount;
  late final bool offline;
  late final bool library;
  late final bool radio;

  Artist();

  factory Artist.from(d.Artist artist) {
    return Artist()
      ..id = artist.id
      ..name = artist.name!
      ..albumIds = artist.albums!
          .map<String>((d.Album a) => a.id!)
          .toList(growable: false)
      ..topTracksIds = artist.topTracks!
          .map<String>((d.Track t) => t.id)
          .toList(growable: false)
      ..picture = DeezerImageDetails.from(artist.picture!)
      ..fansCount = artist.fans ?? 0
      ..albumCount = artist.albumCount ?? 0
      ..offline = artist.offline ?? false
      ..library = artist.library ?? false
      ..radio = artist.radio ?? false;
  }
}

@collection
class Playlist {
  late final String id;

  Id get isarId => int.parse(id);

  @Index(type: IndexType.value)
  late final String title;
  late final List<String> trackIds;
  late final DeezerImageDetails image;
  late final int durationSec;
  late final String userId;
  late final String userName;
  late final int fansCount;
  late final String description;
  late final bool library;

  Playlist();

  factory Playlist.from(d.Playlist playlist) {
    return Playlist()
      ..id = playlist.id
      ..title = playlist.title!
      ..trackIds = playlist.tracks!
          .map<String>((d.Track t) => t.id)
          .toList(growable: false)
      ..image = DeezerImageDetails.from(playlist.image! as d.DeezerImageDetails)
      ..durationSec = playlist.duration!.inSeconds
      ..userId = playlist.user!.id!
      ..userName = playlist.user!.name!
      ..fansCount = playlist.fans ?? 0
      ..description = playlist.description ?? ''
      ..library = playlist.library ?? false;
  }

  d.Playlist to({List<d.Track>? tracks}) {
    return d.Playlist(
      id: id,
      title: title,
      tracks: tracks ??
          trackIds.map((id) => d.Track(id: id)).toList(growable: false),
      image: image.to(),
      trackCount: trackIds.length,
      duration: Duration(seconds: durationSec),
      user: d.User(id: userId, name: userName),
      fans: fansCount,
      library: library,
      description: description,
    );
  }
}

@embedded
class DeezerImageDetails {
  late String type;
  late String md5;

  DeezerImageDetails();

  factory DeezerImageDetails.from(d.DeezerImageDetails details) {
    return DeezerImageDetails()
      ..type = details.type
      ..md5 = details.md5;
  }

  d.DeezerImageDetails to() {
    return d.DeezerImageDetails(md5, type: type);
  }
}

@embedded
class Lyrics {
  late final String lyricsId;
  late final String writers;
  late final List<Lyric> lyrics;
  late final bool sync;

  Lyrics();

  factory Lyrics.from(d.Lyrics lyrics) {
    return Lyrics()
      ..lyricsId = lyrics.id ?? ''
      ..writers = lyrics.writers ?? ''
      ..sync = lyrics.sync
      ..lyrics = lyrics.lyrics!.map(Lyric.from).toList(growable: false);
  }

  d.Lyrics to() {
    return d.Lyrics(
        id: lyricsId,
        writers: writers,
        sync: sync,
        lyrics: lyrics.map((e) => e.to()).toList(growable: false));
  }
}

@embedded
class Lyric {
  late final String text;
  late final int? offsetMs;
  late final String? lrcTimestamp;

  Lyric();

  factory Lyric.from(d.Lyric l) {
    return Lyric()
      ..text = l.text!
      ..offsetMs = l.offset?.inMilliseconds
      ..lrcTimestamp = l.lrcTimestamp;
  }

  d.Lyric to() {
    return d.Lyric(
        offset: offsetMs == null ? null : Duration(milliseconds: offsetMs!),
        text: text,
        lrcTimestamp: lrcTimestamp);
  }
}