syntax = "proto3";

package engula.v1;

message DatabaseDesc {
  uint64 id = 1;
  string name = 2;
}

message DatabaseRequest { repeated DatabaseRequestUnion requests = 1; }

message DatabaseResponse { repeated DatabaseResponseUnion responses = 1; }

message DatabaseRequestUnion {
  oneof request {
    ListDatabasesRequest list_databases = 1;
    CreateDatabaseRequest create_database = 2;
    UpdateDatabaseRequest update_database = 3;
    DeleteDatabaseRequest delete_database = 4;
    DescribeDatabaseRequest describe_database = 5;
  }
}

message DatabaseResponseUnion {
  oneof response {
    ListDatabasesResponse list_databases = 1;
    CreateDatabaseResponse create_database = 2;
    UpdateDatabaseResponse update_database = 3;
    DeleteDatabaseResponse delete_database = 4;
    DescribeDatabaseResponse describe_database = 5;
  }
}

message ListDatabasesRequest {}

message ListDatabasesResponse { repeated DatabaseDesc descs = 1; }

message CreateDatabaseRequest { DatabaseDesc desc = 1; }

message CreateDatabaseResponse { DatabaseDesc desc = 1; }

message UpdateDatabaseRequest { DatabaseDesc desc = 1; }

message UpdateDatabaseResponse { DatabaseDesc desc = 1; }

message DeleteDatabaseRequest { string name = 1; }

message DeleteDatabaseResponse {}

message DescribeDatabaseRequest { string name = 1; }

message DescribeDatabaseResponse { DatabaseDesc desc = 1; }