// 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.discoveryengine.v1beta;

import "google/api/field_behavior.proto";
import "google/api/resource.proto";

option csharp_namespace = "Google.Cloud.DiscoveryEngine.V1Beta";
option go_package = "cloud.google.com/go/discoveryengine/apiv1beta/discoveryenginepb;discoveryenginepb";
option java_multiple_files = true;
option java_outer_classname = "AgentGatewaySettingProto";
option java_package = "com.google.cloud.discoveryengine.v1beta";
option objc_class_prefix = "DISCOVERYENGINE";
option php_namespace = "Google\\Cloud\\DiscoveryEngine\\V1beta";
option ruby_package = "Google::Cloud::DiscoveryEngine::V1beta";

// Agent Gateway setting, which may be attached to Gemini Enterprise resources
// for egress control of Gemini Enterprise agents to agents and tools outside of
// Gemini Enterprise.
message AgentGatewaySetting {
  // Reference to an Agent Gateway resource.
  message AgentGatewayReference {
    // Required. Immutable. The resource name of the agent gateway.
    //
    // Expected format:
    // `projects/{project_number}/locations/{location}/agentGateways/{agent_gateway}`.
    string name = 1 [
      (google.api.field_behavior) = REQUIRED,
      (google.api.field_behavior) = IMMUTABLE,
      (google.api.resource_reference) = {
        type: "networkservices.googleapis.com/AgentGateway"
      }
    ];
  }

  // Optional. The default egress agent gateway to use, when this setting is
  // applied to a Gemini Enterprise resource.
  //
  // The deployment mode must be GOOGLE_MANAGED, and the governed access path
  // must be AGENT_TO_ANYWHERE.
  AgentGatewayReference default_egress_agent_gateway = 1
      [(google.api.field_behavior) = OPTIONAL];
}