syntax = "proto3";
package task;

option go_package = "pkg/api/task";

service TaskService {
  rpc StartCompetition(StartCompetitionRequest) returns (StartCompetitionResponse);
  rpc GetCompetitionTasks(GetCompetitionTasksRequest) returns (GetCompetitionTasksResponse);
  rpc GetTask(GetTaskRequest) returns (GetTaskResponse);
  rpc SubmitTask(SubmitTaskRequest) returns (SubmitTaskResponse);
  rpc GetSubmissionsHistory(GetSubmissionsHistoryRequest) returns (GetSubmissionsHistoryResponse);
  rpc GetTaskAttachments(GetTaskAttachmentsRequest) returns (GetTaskAttachmentsResponse);
  rpc GetCompetitionResults(GetCompetitionResultsRequest) returns (GetCompetitionResultsResponse);
}

message StartCompetitionRequest {
  string competition_id = 1;
}
message StartCompetitionResponse {
  string status = 1;
}

message GetCompetitionTasksRequest {
  string competition_id = 1;
}
message GetCompetitionTasksResponse {
  repeated Task tasks = 1;
}

message GetTaskRequest {
  string competition_id = 1;
  string task_id = 2;
}
message GetTaskResponse {
  Task task = 1;
}

message SubmitTaskRequest {
  string competition_id = 1;
  string task_id = 2;
  bytes content = 3;
}
message SubmitTaskResponse {
  string submission_id = 1;
}

message GetSubmissionsHistoryRequest {
  string competition_id = 1;
  string task_id = 2;
}
message GetSubmissionsHistoryResponse {
  repeated HistorySubmission submissions = 1;
}

message GetTaskAttachmentsRequest {
  string competition_id = 1;
  string task_id = 2;
}
message GetTaskAttachmentsResponse {
  repeated TaskAttachment attachments = 1;
}

message GetCompetitionResultsRequest {
  string competition_id = 1;
}
message GetCompetitionResultsResponse {
  repeated TaskStatus results = 1;
}

message Task {
  optional string id = 1;
  string competition = 2;
  string title = 3;
  string description = 4;
  int32 in_competition_position = 5;
  optional int32 points = 6;
  optional int32 max_attempts = 7;
  TaskType type = 8;
  TaskStatusEnum status = 9;
}

enum TaskType {
  TASK_TYPE_UNSPECIFIED = 0;
  TASK_TYPE_INPUT = 1;
  TASK_TYPE_CHECKER = 2;
  TASK_TYPE_REVIEW = 3;
}

enum TaskStatusEnum {
  TASK_STATUS_UNSPECIFIED = 0;
  TASK_STATUS_NOT_SUBMITTED = 1;
  TASK_STATUS_SENT = 2;
  TASK_STATUS_CHECKING = 3;
  TASK_STATUS_CHECKED = 4;
}

message HistorySubmission {
  optional string id = 1;
  TaskStatusEnum status = 2;
  optional int32 earned_points = 3;
  string timestamp = 4;
  string content = 5;
}

message TaskAttachment {
  optional string id = 1;
  string file = 2;
  bool public = 3;
}

message TaskStatus {
  string task_name = 1;
  int32 result = 2;
  int32 max_points = 3;
  int32 position = 4;
}