// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.cloud.databasecenter.v1beta;

import "google/api/field_behavior.proto";

option csharp_namespace = "Google.Cloud.DatabaseCenter.V1Beta";
option go_package = "cloud.google.com/go/databasecenter/apiv1beta/databasecenterpb;databasecenterpb";
option java_multiple_files = true;
option java_outer_classname = "ProductProto";
option java_package = "com.google.cloud.databasecenter.v1beta";
option php_namespace = "Google\\Cloud\\DatabaseCenter\\V1beta";
option ruby_package = "Google::Cloud::DatabaseCenter::V1beta";

// Engine refers to underlying database binary running in an instance.
enum Engine {
  // UNSPECIFIED means engine type is not known or available.
  ENGINE_UNSPECIFIED = 0;

  // MySQL binary running as an engine in the database instance.
  ENGINE_MYSQL = 1;

  // Postgres binary running as engine in database instance.
  ENGINE_POSTGRES = 2;

  // SQLServer binary running as engine in database instance.
  ENGINE_SQL_SERVER = 3;

  // Native database binary running as engine in instance.
  ENGINE_NATIVE = 4;

  // Memorystore with Redis dialect.
  ENGINE_MEMORYSTORE_FOR_REDIS = 8;

  // Memorystore with Redis cluster dialect.
  ENGINE_MEMORYSTORE_FOR_REDIS_CLUSTER = 9;

  // Firestore with native mode.
  ENGINE_FIRESTORE_WITH_NATIVE_MODE = 10;

  // Firestore with datastore mode.
  ENGINE_FIRESTORE_WITH_DATASTORE_MODE = 11;

  // Oracle Exadata engine.
  ENGINE_EXADATA_ORACLE = 12;

  // Oracle Autonomous DB Serverless engine.
  ENGINE_ADB_SERVERLESS_ORACLE = 13;

  // Firestore with MongoDB compatibility.
  ENGINE_FIRESTORE_WITH_MONGODB_COMPATIBILITY_MODE = 14;

  // Other refers to rest of other database engine. This is to be when engine is
  // known, but it is not present in this enum.
  ENGINE_OTHER = 6;
}

// ProductType is used to identify a database service offering either in a cloud
// provider or on-premise. This enum needs to be updated whenever we introduce
// a new ProductType.
enum ProductType {
  // PRODUCT_TYPE_UNSPECIFIED means product type is not known or that the user
  // didn't provide this field in the request.
  PRODUCT_TYPE_UNSPECIFIED = 0;

  // Cloud SQL product area in Google Cloud
  PRODUCT_TYPE_CLOUD_SQL = 1;

  // AlloyDB product area in Google Cloud
  PRODUCT_TYPE_ALLOYDB = 2;

  // Spanner product area in Google Cloud
  PRODUCT_TYPE_SPANNER = 3;

  // Bigtable product area in Google Cloud
  PRODUCT_TYPE_BIGTABLE = 6;

  // Memorystore product area in Google Cloud
  PRODUCT_TYPE_MEMORYSTORE = 7;

  // Firestore product area in Google Cloud
  PRODUCT_TYPE_FIRESTORE = 8;

  // Compute Engine self managed databases
  PRODUCT_TYPE_COMPUTE_ENGINE = 9;

  // Oracle product area in Google Cloud
  PRODUCT_TYPE_ORACLE_ON_GCP = 10;

  // BigQuery product area in Google Cloud
  PRODUCT_TYPE_BIGQUERY = 11;

  // Other refers to rest of other product type. This is to be when product type
  // is known, but it is not present in this enum.
  PRODUCT_TYPE_OTHER = 5;
}

// Product specification for databasecenter resources.
message Product {
  // Optional. Type of specific database product. It could be CloudSQL, AlloyDB
  // etc..
  ProductType type = 1 [(google.api.field_behavior) = OPTIONAL];

  // Optional. The specific engine that the underlying database is running.
  Engine engine = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Version of the underlying database engine. Example values: For
  // MySQL, it could be "8.0", "5.7" etc. For Postgres, it could be "14", "15"
  // etc.
  string version = 3 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Minor version of the underlying database engine. Example values:
  // For MySQL, it could be "8.0.35", "5.7.25" etc. For PostgreSQL, it could be
  // "14.4", "15.5" etc.
  string minor_version = 4 [(google.api.field_behavior) = OPTIONAL];
}