syntax = "proto3";
package music_agregator.v1;
option go_package = "homelab.lan/music-agregator/gen/music_agregator/v1/";

service MusicAgregatorService {
  rpc MonitorAlbum(MonitorAlbumRequest) returns (MonitorAlbumResponse) {
    option deprecated = true;
  }
  rpc MonitorAlbumStream(stream MonitorAlbumStreamRequest) returns (stream MonitorAlbumStreamResponse) {}
  rpc GetArtists(GetArtistsRequest) returns (GetArtistsResponse) {}
  rpc GetAlbum(GetAlbumRequest) returns (GetAlbumResponse) {}
  rpc AnalyzeAlbumRelease(AnalyzeAlbumReleaseRequest) returns (AnalyzeAlbumReleaseResponse) {}
  rpc SearchArtists(SearchArtistsRequest) returns (SearchArtistsResponse) {}
  rpc GetArtistAlbums(GetArtistAlbumsRequest) returns (GetArtistAlbumsResponse) {}
  rpc SubscribeEvents(SubscribeEventsRequest) returns (stream AlbumEvent) {}
}

message MonitorAlbumRequest {
  string album_id = 1;
  IndexerOptions indexer_options = 2;
  QualityType quality = 3;
}

message IndexerOptions {
  string tracker = 1;
}

enum QualityType {
  QUALITY_UNSPECIFIED = 0;
  QUALITY_LOSSLESS = 1;
  QUALITY_LOSSY = 2;
}

message MonitorAlbumResponse {
  AlbumDetail album = 1;
  ArtistSummary artist = 2;
  MonitoredRelease release = 3;
}

message GetArtistsRequest {}

message GetArtistsResponse {
  repeated ArtistSummary artists = 1;
}

enum MonitorState {
  MONITOR_STATE_UNSPECIFIED = 0;
  MONITOR_STATE_MONITORED = 1;
  MONITOR_STATE_UNMONITORED = 2;
  MONITOR_STATE_EXCLUDED = 3;
}

message ArtistSummary {
  string id = 1;
  string external_id = 2;
  string name = 3;
  string artist_type = 4;
  string country = 5;
  repeated string genres = 6;
  string image_url = 7;
  MonitorState monitor_state = 8;
  repeated AlbumDetail albums = 9;
}

message AlbumDetail {
  string id = 1;
  string external_id = 2;
  string title = 3;
  string album_type = 4;
  string release_date = 5;
  int32 total_tracks = 6;
  int32 total_discs = 7;
  string cover_url = 8;
  repeated string genres = 9;
  string label = 10;
  MonitorState monitor_state = 11;
  DownloadInfo download = 12;
  AlbumReleaseDetail release = 13;
}

message DownloadInfo {
  string state = 1;
  string format = 2;
  string quality = 3;
  string save_path = 4;
}

message GetAlbumRequest {
  string album_id = 1;
}

message AlbumInfo {
  AlbumDetail album = 1;
  repeated TrackDetail tracks = 2;
}

message GetAlbumResponse {
  AlbumInfo info = 1;
}

message AnalyzeAlbumReleaseRequest {
  string album_id = 1;
}

message AnalyzeAlbumReleaseResponse {
  AlbumInfo info = 1;
}

message TrackDetail {
  string id = 1;
  string external_id = 2;
  string title = 3;
  int32 duration_ms = 4;
  int32 disc_number = 5;
  int32 track_number = 6;
  string isrc = 7;
  bool explicit = 8;
  repeated ArtistCredit artists = 9;
  string file_path = 10;
  int64 file_size = 11;
  string format = 12;
  int32 bit_depth = 13;
  int32 sample_rate = 14;
  int32 channels = 15;
  int32 bitrate_kbps = 16;
}

message ArtistCredit {
  string id = 1;
  string name = 2;
}

message AlbumReleaseDetail {
  string id = 1;
  string format = 2;
  int32 bit_depth = 3;
  int32 sample_rate = 4;
  int32 channels = 5;
  bool is_lossless = 6;
  string source = 7;
  int64 total_size = 8;
  int32 total_duration_ms = 9;
  int32 track_count = 10;
  bool has_cover_art = 11;
  bool has_cue_sheet = 12;
  bool has_rip_log = 13;
  string path = 14;
}

message MonitoredRelease {
  string info_hash = 1;
  string artist = 2;
  string album = 3;
  int32 year = 4;
  string format = 5;
  bool lossless = 6;
  int32 bit_depth = 7;
  int32 sample_rate = 8;
  string source = 9;
  int32 track_count = 10;
  repeated string track_names = 11;
  bool has_cover_art = 12;
  bool has_cue_sheet = 13;
  bool has_rip_log = 14;
  int64 total_audio_size = 15;
  string download_link = 16;
  int32 seeders = 17;
  string tracker = 18;
}

message SearchArtistsRequest {
  string query = 1;
  int32 limit = 2;
  int32 offset = 3;
}

message SearchArtistsResponse {
  repeated SearchArtistResult artists = 1;
  int32 total = 2;
}

message SearchArtistResult {
  string id = 1;
  string name = 2;
  string sort_name = 3;
  string artist_type = 4;
  string country = 5;
  string formed_date = 6;
  string disbanded_date = 7;
  string description = 8;
  string image_url = 9;
  repeated string genres = 10;
  repeated ExternalId external_ids = 11;
}

message ExternalId {
  string provider = 1;
  string id = 2;
}

message GetArtistAlbumsRequest {
  string artist_id = 1;
  int32 limit = 2;
  int32 offset = 3;
}

message GetArtistAlbumsResponse {
  repeated AlbumResult albums = 1;
  int32 total = 2;
}

message AlbumResult {
  string id = 1;
  string title = 2;
  string album_type = 3;
  string release_date = 4;
  string upc = 5;
  int32 total_tracks = 6;
  int32 total_discs = 7;
  string cover_url = 8;
  repeated AlbumArtistCredit artists = 9;
  AlbumLabel label = 10;
  repeated string genres = 11;
  repeated ExternalId external_ids = 12;
}

message AlbumArtistCredit {
  string id = 1;
  string name = 2;
  string role = 3;
}

message AlbumLabel {
  string id = 1;
  string name = 2;
  string country = 3;
}

message SubscribeEventsRequest {
  int64 since_seq = 1;
}

message AlbumEvent {
  int64 seq = 1;
  string workflow_run_id = 2;
  string album_id = 3;
  string quality = 4;
  string event_type = 5;
  string step = 6;
  string message = 7;
  bytes data_json = 8;
  int64 timestamp_ms = 9;
}

enum InteractionMode {
  INTERACTION_MODE_AUTOMATIC = 0;
  INTERACTION_MODE_MANUAL = 1;
}

enum MonitorStep {
  MONITOR_STEP_UNSPECIFIED = 0;
  MONITOR_STEP_FETCHING_METADATA = 1;
  MONITOR_STEP_CHECKING_OWNED = 2;
  MONITOR_STEP_SEARCHING_INDEXER = 3;
  MONITOR_STEP_PARSING_RESULTS = 4;
  MONITOR_STEP_FILTERING_QUALITY = 5;
  MONITOR_STEP_SELECTING_RELEASE = 6;
  MONITOR_STEP_ADDING_TORRENT = 7;
  MONITOR_STEP_SAVING = 8;
  MONITOR_STEP_COMPLETE = 9;
}

enum PromptType {
  PROMPT_TYPE_UNSPECIFIED = 0;
  PROMPT_TYPE_CONFIRM = 1;
  PROMPT_TYPE_SELECT_ONE = 2;
  PROMPT_TYPE_SELECT_MANY = 3;
}

message MonitorAlbumStreamRequest {
  oneof message {
    StartMonitorRequest start = 1;
    UserDecision decision = 2;
    CancelRequest cancel = 3;
  }
}

message StartMonitorRequest {
  string album_id = 1;
  IndexerOptions indexer_options = 2;
  QualityType quality = 3;
  InteractionMode mode = 4;
}

message UserDecision {
  string prompt_id = 1;
  oneof decision {
    bool confirm = 2;
    string selected_id = 3;
    SelectedIds selected_ids = 4;
  }
}

message SelectedIds {
  repeated string ids = 1;
}

message CancelRequest {}

message MonitorAlbumStreamResponse {
  oneof message {
    StatusUpdate status = 1;
    PromptForDecision prompt = 2;
    MonitorAlbumResponse result = 3;
    ErrorUpdate error = 4;
  }
}

message StatusUpdate {
  MonitorStep step = 1;
  string message = 2;
  oneof data {
    StreamAlbumInfo album_info = 10;
    TorrentList torrents = 11;
    ReleaseInfo release_info = 12;
  }
}

message PromptForDecision {
  string prompt_id = 1;
  PromptType type = 2;
  string message = 3;
  int32 timeout_seconds = 4;
  oneof options {
    ConfirmPrompt confirm = 10;
    SelectOnePrompt select_one = 11;
    SelectManyPrompt select_many = 12;
  }
}

message ErrorUpdate {
  MonitorStep failed_step = 1;
  string message = 2;
  bool recoverable = 3;
}

message StreamAlbumInfo {
  string artist = 1;
  string title = 2;
  string release_date = 3;
  bool already_owned = 4;
  string owned_quality = 5;
}

message TorrentList {
  repeated TorrentSummary torrents = 1;
}

message TorrentSummary {
  string id = 1;
  string title = 2;
  string tracker = 3;
  int32 seeders = 4;
  string format = 5;
  bool lossless = 6;
}

message ReleaseInfo {
  string info_hash = 1;
  string format = 2;
  int32 bit_depth = 3;
  int32 sample_rate = 4;
  int32 seeders = 5;
  string tracker = 6;
}

message ConfirmPrompt {
  string confirm_label = 1;
  string cancel_label = 2;
  bool default_value = 3;
}

message SelectOnePrompt {
  repeated SelectOption options = 1;
  string default_id = 2;
}

message SelectManyPrompt {
  repeated SelectOption options = 1;
  repeated string default_ids = 2;
  int32 min_selections = 3;
  int32 max_selections = 4;
}

message SelectOption {
  string id = 1;
  string label = 2;
  string description = 3;
}