syntax = "proto3";
package komp_ac.backup;

import "common.proto";

service BackupService {
  rpc StartBackup(StartBackupRequest) returns (BackupOperationResponse);
  rpc StartCheck(komp_ac.common.Empty) returns (BackupOperationResponse);
  rpc GetBackupInfo(komp_ac.common.Empty) returns (BackupInfoResponse);
  rpc GetOperationStatus(GetOperationStatusRequest) returns (BackupOperationResponse);
  rpc RestoreLatest(RestoreLatestRequest) returns (BackupOperationResponse);
  rpc RestoreTarget(RestoreTargetRequest) returns (BackupOperationResponse);
}

enum BackupType {
  BACKUP_TYPE_UNSPECIFIED = 0;
  BACKUP_TYPE_FULL = 1;
  BACKUP_TYPE_DIFF = 2;
  BACKUP_TYPE_INCR = 3;
}

enum OperationKind {
  OPERATION_KIND_UNSPECIFIED = 0;
  OPERATION_KIND_BACKUP = 1;
  OPERATION_KIND_CHECK = 2;
  OPERATION_KIND_RESTORE = 3;
}

enum OperationStatus {
  OPERATION_STATUS_UNSPECIFIED = 0;
  OPERATION_STATUS_RUNNING = 1;
  OPERATION_STATUS_SUCCEEDED = 2;
  OPERATION_STATUS_FAILED = 3;
}

message StartBackupRequest {
  BackupType backup_type = 1;
}

message RestoreLatestRequest {
  string confirmation = 1;
}

message RestoreTargetRequest {
  string confirmation = 1;
  string target_type = 2;
  string target = 3;
}

message GetOperationStatusRequest {
  string operation_id = 1;
}

message BackupOperationResponse {
  string operation_id = 1;
  OperationKind kind = 2;
  OperationStatus status = 3;
  string message = 4;
  string output = 5;
  int64 started_at_unix_seconds = 6;
  int64 finished_at_unix_seconds = 7;
}

message BackupInfoResponse {
  bool success = 1;
  string output = 2;
}