import 'package:json_annotation/json_annotation.dart';

part 'spotify_track.g.dart';

@JsonSerializable()
class SpotifyTrack {
  final String id;
  final String name;
  final List<SpotifyArtist> artists;
  final SpotifyAlbum album;
  @JsonKey(name: 'duration_ms')
  final int durationMs;
  @JsonKey(name: 'external_urls')
  final Map<String, String> externalUrls;
  @JsonKey(name: 'preview_url')
  final String? previewUrl;

  SpotifyTrack({
    required this.id,
    required this.name,
    required this.artists,
    required this.album,
    required this.durationMs,
    required this.externalUrls,
    this.previewUrl,
  });

  factory SpotifyTrack.fromJson(Map<String, dynamic> json) =>
      _$SpotifyTrackFromJson(json);

  Map<String, dynamic> toJson() => _$SpotifyTrackToJson(this);

  String get artistNames => artists.map((artist) => artist.name).join(', ');
  
  String get duration {
    final minutes = (durationMs / 60000).floor();
    final seconds = ((durationMs % 60000) / 1000).floor();
    return '$minutes:${seconds.toString().padLeft(2, '0')}';
  }

  String get imageUrl => album.images.isNotEmpty ? album.images.first.url : '';
}

@JsonSerializable()
class SpotifyArtist {
  final String id;
  final String name;

  SpotifyArtist({
    required this.id,
    required this.name,
  });

  factory SpotifyArtist.fromJson(Map<String, dynamic> json) =>
      _$SpotifyArtistFromJson(json);

  Map<String, dynamic> toJson() => _$SpotifyArtistToJson(this);
}

@JsonSerializable()
class SpotifyAlbum {
  final String id;
  final String name;
  final List<SpotifyImage> images;

  SpotifyAlbum({
    required this.id,
    required this.name,
    required this.images,
  });

  factory SpotifyAlbum.fromJson(Map<String, dynamic> json) =>
      _$SpotifyAlbumFromJson(json);

  Map<String, dynamic> toJson() => _$SpotifyAlbumToJson(this);
}

@JsonSerializable()
class SpotifyImage {
  final int height;
  final int width;
  final String url;

  SpotifyImage({
    required this.height,
    required this.width,
    required this.url,
  });

  factory SpotifyImage.fromJson(Map<String, dynamic> json) =>
      _$SpotifyImageFromJson(json);

  Map<String, dynamic> toJson() => _$SpotifyImageToJson(this);
}

@JsonSerializable()
class SpotifySearchResponse {
  final SpotifyTracks tracks;

  SpotifySearchResponse({required this.tracks});

  factory SpotifySearchResponse.fromJson(Map<String, dynamic> json) =>
      _$SpotifySearchResponseFromJson(json);

  Map<String, dynamic> toJson() => _$SpotifySearchResponseToJson(this);
}

@JsonSerializable()
class SpotifyTracks {
  final List<SpotifyTrack> items;
  final int total;

  SpotifyTracks({
    required this.items,
    required this.total,
  });

  factory SpotifyTracks.fromJson(Map<String, dynamic> json) =>
      _$SpotifyTracksFromJson(json);

  Map<String, dynamic> toJson() => _$SpotifyTracksToJson(this);
}