syntax = "proto2";

package spotify.metadata.proto;

option optimize_for = CODE_SIZE;
option java_outer_classname = "Metadata";
option java_package = "com.spotify.metadata";

message Artist {
    optional bytes gid = 1;
    optional string name = 2;
    optional sint32 popularity = 3;
    repeated TopTracks top_track = 4;
    repeated AlbumGroup album_group = 5;
    repeated AlbumGroup single_group = 6;
    repeated AlbumGroup compilation_group = 7;
    repeated AlbumGroup appears_on_group = 8;
    repeated string genre = 9;
    repeated ExternalId external_id = 10;
    repeated Image portrait = 11;
    repeated Biography biography = 12;
    repeated ActivityPeriod activity_period = 13;
    repeated Restriction restriction = 14;
    repeated Artist related = 15;
    optional bool is_portrait_album_cover = 16;
    optional ImageGroup portrait_group = 17;
    repeated SalePeriod sale_period = 18;
    repeated Availability availability = 20;
}

message Album {
    optional bytes gid = 1;
    optional string name = 2;
    repeated Artist artist = 3;

    optional Type type = 4;
    enum Type {
        ALBUM = 1;
        SINGLE = 2;
        COMPILATION = 3;
        EP = 4;
        AUDIOBOOK = 5;
        PODCAST = 6;
    }

    optional string label = 5;
    optional Date date = 6;
    optional sint32 popularity = 7;
    repeated string genre = 8;
    repeated Image cover = 9;
    repeated ExternalId external_id = 10;
    repeated Disc disc = 11;
    repeated string review = 12;
    repeated Copyright copyright = 13;
    repeated Restriction restriction = 14;
    repeated Album related = 15;
    repeated SalePeriod sale_period = 16;
    optional ImageGroup cover_group = 17;
    optional string original_title = 18;
    optional string version_title = 19;
    optional string type_str = 20;
    repeated Availability availability = 23;
}

message Track {
    optional bytes gid = 1;
    optional string name = 2;
    optional Album album = 3;
    repeated Artist artist = 4;
    optional sint32 number = 5;
    optional sint32 disc_number = 6;
    optional sint32 duration = 7;
    optional sint32 popularity = 8;
    optional bool explicit = 9;
    repeated ExternalId external_id = 10;
    repeated Restriction restriction = 11;
    repeated AudioFile file = 12;
    repeated Track alternative = 13;
    repeated SalePeriod sale_period = 14;
    repeated AudioFile preview = 15;
    repeated string tags = 16;
    optional int64 earliest_live_timestamp = 17;
    optional bool has_lyrics = 18;
    repeated Availability availability = 19;
    optional Licensor licensor = 21;
}

message Show {
    optional bytes gid = 1;
    optional string name = 2;
    optional string description = 64;
    optional sint32 deprecated_popularity = 65 [deprecated = true];
    optional string publisher = 66;
    optional string language = 67;
    optional bool explicit = 68;
    optional ImageGroup cover_image = 69;
    repeated Episode episode = 70;
    repeated Copyright copyright = 71;
    repeated Restriction restriction = 72;
    repeated string keyword = 73;

    optional MediaType media_type = 74;
    enum MediaType {
        MIXED = 0;
        AUDIO = 1;
        VIDEO = 2;
    }

    optional ConsumptionOrder consumption_order = 75;
    enum ConsumptionOrder {
        SEQUENTIAL = 1;
        EPISODIC = 2;
        RECENT = 3;
    }

    repeated Availability availability = 78;
    optional string trailer_uri = 83;
}

message Episode {
    optional bytes gid = 1;
    optional string name = 2;
    optional sint32 duration = 7;
    repeated AudioFile audio = 12;
    optional string description = 64;
    optional sint32 number = 65;
    optional Date publish_time = 66;
    optional sint32 deprecated_popularity = 67 [deprecated = true];
    optional ImageGroup cover_image = 68;
    optional string language = 69;
    optional bool explicit = 70;
    optional Show show = 71;
    repeated VideoFile video = 72;
    repeated VideoFile video_preview = 73;
    repeated AudioFile audio_preview = 74;
    repeated Restriction restriction = 75;
    optional ImageGroup freeze_frame = 76;
    repeated string keyword = 77;
    optional bool allow_background_playback = 81;
    repeated Availability availability = 82;
    optional string external_url = 83;

    optional .spotify.metadata.proto.Episode.EpisodeType type = 87;
    enum EpisodeType {
        FULL = 0;
        TRAILER = 1;
        BONUS = 2;
    }
}

message Licensor {
    optional bytes uuid = 1;
}

message TopTracks {
    optional string country = 1;
    repeated Track track = 2;
}

message ActivityPeriod {
    optional sint32 start_year = 1;
    optional sint32 end_year = 2;
    optional sint32 decade = 3;
}

message AlbumGroup {
    repeated Album album = 1;
}

message Date {
    optional sint32 year = 1;
    optional sint32 month = 2;
    optional sint32 day = 3;
    optional sint32 hour = 4;
    optional sint32 minute = 5;
}

message Image {
    optional bytes file_id = 1;

    optional Size size = 2;
    enum Size {
        DEFAULT = 0;
        SMALL = 1;
        LARGE = 2;
        XLARGE = 3;
    }

    optional sint32 width = 3;
    optional sint32 height = 4;
}

message ImageGroup {
    repeated Image image = 1;
}

message Biography {
    optional string text = 1;
    repeated Image portrait = 2;
    repeated ImageGroup portrait_group = 3;
}

message Disc {
    optional sint32 number = 1;
    optional string name = 2;
    repeated Track track = 3;
}

message Copyright {
    optional Type type = 1;
    enum Type {
        P = 0;
        C = 1;
    }

    optional string text = 2;
}

message Restriction {
    repeated Catalogue catalogue = 1;
    enum Catalogue {
        AD = 0;
        SUBSCRIPTION = 1;
        CATALOGUE_ALL = 2;
        SHUFFLE = 3;
        COMMERCIAL = 4;
    }

    optional Type type = 4;
    enum Type {
        STREAMING = 0;
    }

    repeated string catalogue_str = 5;

    oneof country_restriction {
        string countries_allowed = 2;
        string countries_forbidden = 3;
    }
}

message Availability {
    repeated string catalogue_str = 1;
    optional Date start = 2;
}

message SalePeriod {
    repeated Restriction restriction = 1;
    optional Date start = 2;
    optional Date end = 3;
}

message ExternalId {
    optional string type = 1;
    optional string id = 2;
}

message AudioFile {
    optional bytes file_id = 1;

    optional Format format = 2;
    enum Format {
        OGG_VORBIS_96 = 0;
        OGG_VORBIS_160 = 1;
        OGG_VORBIS_320 = 2;
        MP3_256 = 3;
        MP3_320 = 4;
        MP3_160 = 5;
        MP3_96 = 6;
        MP3_160_ENC = 7;
        AAC_24 = 8;
        AAC_48 = 9;
        AAC_24_NORM = 16;
    }
}

message VideoFile {
    optional bytes file_id = 1;
}