syntax = "proto3";

package monsta.v1;

import "metadata.proto";
import "object/numeric.proto";

service Monsta {
  rpc Call(Request) returns (Response) {}
}

message Request {
  // UniverseRequest universe = 1;
  DatabaseRequest database = 2;
  CollectionRequest collection = 3;
  DatabaseTxnRequest transaction = 4;
}

message Response {
  // UniverseResponse universe = 1;
  DatabaseResponse database = 2;
  CollectionResponse collection = 3;
  DatabaseTxnResponse transaction = 4;
}

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

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

message CreateDatabaseRequest { DatabaseSpec spec = 1; }

message CreateDatabaseResponse { DatabaseDesc desc = 1; }

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

message DescribeDatabaseResponse { DatabaseDesc desc = 1; }

message CollectionRequest {
  uint64 database_id = 1;
  // ListCollectionsRequest list_collections = 2;
  CreateCollectionRequest create_collection = 3;
  // UpdateCollectionRequest update_collection = 4;
  // DeleteCollectionRequest delete_collection = 5;
  DescribeCollectionRequest describe_collection = 6;
}

message CollectionResponse {
  // ListCollectionsResponse list_collections = 2;
  CreateCollectionResponse create_collection = 3;
  // UpdateCollectionResponse update_collection = 4;
  // DeleteCollectionResponse delete_collection = 5;
  DescribeCollectionResponse describe_collection = 6;
}

message CreateCollectionRequest { CollectionSpec spec = 1; }

message CreateCollectionResponse { CollectionDesc desc = 1; }

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

message DescribeCollectionResponse { CollectionDesc desc = 1; }

message DatabaseTxnRequest {
  uint64 database_id = 1;
  repeated CollectionTxnRequest collections = 2;
}

message DatabaseTxnResponse { repeated CollectionTxnResponse collections = 2; }

message CollectionTxnRequest {
  uint64 collection_id = 1;
  repeated NumericExpr numeric_exprs = 2;
}

message CollectionTxnResponse { repeated NumericResult numeric_results = 2; }