syntax = "proto3";
package competition;

option go_package = "pkg/api/competition";

service CompetitionService {
  rpc GetCompetition(GetCompetitionRequest) returns (GetCompetitionResponse);
  rpc ListCompetitions(ListCompetitionsRequest) returns (ListCompetitionsResponse);
  rpc ChangeCompetitionState(ChangeCompetitionStateRequest) returns (ChangeCompetitionStateResponse);
}

message GetCompetitionRequest {
  string competition_id = 1;
}
message GetCompetitionResponse {
  Competition competition = 1;
}

message ListCompetitionsRequest {
  bool is_participating = 1;
}
message ListCompetitionsResponse {
  repeated Competition competitions = 1;
}

message ChangeCompetitionStateRequest {
  string competition_id = 1;
  CompetitionState state = 2;
}
message ChangeCompetitionStateResponse {
  CompetitionState state = 1;
}

message Competition {
  string id = 1;
  CompetitionState state = 2;
  string title = 3;
  string description = 4;
  optional string image_url = 5;
  optional string end_date = 6;
  optional string start_date = 7;
  string type = 8;
  string participation_type = 9;
}

enum CompetitionState {
  COMPETITION_STATE_UNSPECIFIED = 0;
  COMPETITION_STATE_NOT_STARTED = 1;
  COMPETITION_STATE_STARTED = 2;
  COMPETITION_STATE_FINISHED = 3;
}