// Copyright 2025 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.servicedirectory.v1;

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

option csharp_namespace = "Google.Cloud.ServiceDirectory.V1";
option go_package = "cloud.google.com/go/servicedirectory/apiv1/servicedirectorypb;servicedirectorypb";
option java_multiple_files = true;
option java_outer_classname = "EndpointProto";
option java_package = "com.google.cloud.servicedirectory.v1";
option php_namespace = "Google\\Cloud\\ServiceDirectory\\V1";
option ruby_package = "Google::Cloud::ServiceDirectory::V1";
option (google.api.resource_definition) = {
  type: "servicedirectory.googleapis.com/Network"
  pattern: "projects/{project}/locations/global/networks/{network}"
};

// An individual endpoint that provides a
// [service][google.cloud.servicedirectory.v1.Service]. The service must
// already exist to create an endpoint.
message Endpoint {
  option (google.api.resource) = {
    type: "servicedirectory.googleapis.com/Endpoint"
    pattern: "projects/{project}/locations/{location}/namespaces/{namespace}/services/{service}/endpoints/{endpoint}"
  };

  // Immutable. The resource name for the endpoint in the format
  // `projects/*/locations/*/namespaces/*/services/*/endpoints/*`.
  string name = 1 [(google.api.field_behavior) = IMMUTABLE];

  // Optional. An IPv4 or IPv6 address. Service Directory rejects bad addresses
  // like:
  //
  // *   `8.8.8`
  // *   `8.8.8.8:53`
  // *   `test:bad:address`
  // *   `[::1]`
  // *   `[::1]:8080`
  //
  // Limited to 45 characters.
  string address = 2 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Service Directory rejects values outside of `[0, 65535]`.
  int32 port = 3 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Annotations for the endpoint. This data can be consumed by
  // service clients.
  //
  // Restrictions:
  //
  // *   The entire annotations dictionary may contain up to 512 characters,
  //     spread accoss all key-value pairs. Annotations that go beyond this
  //     limit are rejected
  // *   Valid annotation keys have two segments: an optional prefix and name,
  //     separated by a slash (/). The name segment is required and must be 63
  //     characters or less, beginning and ending with an alphanumeric character
  //     ([a-z0-9A-Z]) with dashes (-), underscores (_), dots (.), and
  //     alphanumerics between. The prefix is optional. If specified, the prefix
  //     must be a DNS subdomain: a series of DNS labels separated by dots (.),
  //     not longer than 253 characters in total, followed by a slash (/)
  //     Annotations that fails to meet these requirements are rejected.
  //
  // Note: This field is equivalent to the `metadata` field in the v1beta1 API.
  // They have the same syntax and read/write to the same location in Service
  // Directory.
  map<string, string> annotations = 5 [(google.api.field_behavior) = OPTIONAL];

  // Immutable. The Google Compute Engine network (VPC) of the endpoint in the
  // format `projects/<project number>/locations/global/networks/*`.
  //
  // The project must be specified by project number (project id is rejected).
  // Incorrectly formatted networks are rejected, we also check to make sure
  // that you have the servicedirectory.networks.attach permission on the
  // project specified.
  string network = 8 [
    (google.api.field_behavior) = IMMUTABLE,
    (google.api.resource_reference) = {
      type: "servicedirectory.googleapis.com/Network"
    }
  ];

  // Output only. The globally unique identifier of the endpoint in the UUID4
  // format.
  string uid = 9 [(google.api.field_behavior) = OUTPUT_ONLY];
}