syntax = "proto3";

package spotifatius;

service Spotifatius {
  rpc Monitor(MonitorRequest) returns (stream MonitorResponse);
  rpc ToggleLiked(ToggleLikedRequest) returns (ToggleLikedResponse);
}

enum TrackStatus {
  PLAYING = 0;
  PAUSED = 1;
  STOPPED = 2;
  // When a track was just added to liked songs.
  ADDED = 3;
  // When a track was just removed from liked songs.
  REMOVED = 4;
}

message Track {
  optional string id = 1;
  optional string artist = 2;
  optional string title = 3;
  optional string album = 4;
}

message MonitorRequest {}

message MonitorResponse {
  Track track = 1;
  TrackStatus status = 2;
  optional bool is_liked = 3;
}

message ToggleLikedRequest {}

message ToggleLikedResponse { bool is_liked = 1; }