syntax = "proto3";

package music.v1alpha1;

import "metadata/v1alpha1/track.proto";

message AddTrackRequest { metadata.v1alpha1.Track track = 1; }

message AddTrackResponse {}

message AddTracksRequest { repeated metadata.v1alpha1.Track tracks = 1; }

message AddTracksResponse {}

message LoadTracksRequest { 
  repeated metadata.v1alpha1.Track tracks = 1; 
  int32 start_index = 2; 
}

message LoadTracksResponse {}

message ClearTracklistRequest {}

message ClearTracklistResponse {}

message FilterTracklistRequest {}

message FilterTracklistResponse {}

message GetRandomResponse {}

message GetRepeatResponse {}

message GetSingleResponse {}

message GetNextTrackResponse { metadata.v1alpha1.Track track = 1; }

message GetPreviousTrackResponse { metadata.v1alpha1.Track track = 1; }

message RemoveTrackAtRequest {
  uint32 position = 1;
}

message RemoveTrackAtResponse {}

message SetRepeatRequest {}

message SetRepeatResponse {}

message ShuffleResponse {}

message GetTracklistTracksResponse {
  repeated metadata.v1alpha1.Track next_tracks = 1;
  repeated metadata.v1alpha1.Track previous_tracks = 2;
}

message GetRandomRequest {}

message GetRepeatRequest {}

message GetSingleRequest {}

message GetNextTrackRequest {}

message GetPreviousTrackRequest {}

message ShuffleRequest {}

message GetTracklistTracksRequest {}

message PlayNextRequest { metadata.v1alpha1.Track track = 1; }

message PlayNextResponse {}

message PlayTrackAtRequest { uint32 index = 1; }

message PlayTrackAtResponse {}

service TracklistService {
  rpc AddTrack(AddTrackRequest) returns (AddTrackResponse) {}
  rpc AddTracks(AddTracksRequest) returns (AddTracksResponse) {}
  rpc LoadTracks(LoadTracksRequest) returns (LoadTracksResponse) {}
  rpc ClearTracklist(ClearTracklistRequest) returns (ClearTracklistResponse) {}
  rpc FilterTracklist(FilterTracklistRequest)
      returns (FilterTracklistResponse) {}
  rpc GetRandom(GetRandomRequest) returns (GetRandomResponse) {}
  rpc GetRepeat(GetRepeatRequest) returns (GetRepeatResponse) {}
  rpc GetSingle(GetSingleRequest) returns (GetSingleResponse) {}
  rpc GetNextTrack(GetNextTrackRequest) returns (GetNextTrackResponse) {}
  rpc GetPreviousTrack(GetPreviousTrackRequest)
      returns (GetPreviousTrackResponse) {}
  rpc RemoveTrackAt(RemoveTrackAtRequest) returns (RemoveTrackAtResponse) {}
  rpc Shuffle(ShuffleRequest) returns (ShuffleResponse) {}
  rpc SetRepeat(SetRepeatRequest) returns (SetRepeatResponse) {}
  rpc GetTracklistTracks(GetTracklistTracksRequest)
      returns (GetTracklistTracksResponse) {}
  rpc PlayNext(PlayNextRequest) returns (PlayNextResponse) {}
  rpc PlayTrackAt(PlayTrackAtRequest) returns (PlayTrackAtResponse) {}
}