// Copyright 2020 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.ads.googleads.v4.services;

import "google/ads/googleads/v4/common/keyword_plan_common.proto";
import "google/ads/googleads/v4/enums/keyword_plan_network.proto";
import "google/api/annotations.proto";
import "google/api/field_behavior.proto";
import "google/protobuf/wrappers.proto";
import "google/api/client.proto";

option csharp_namespace = "Google.Ads.GoogleAds.V4.Services";
option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v4/services;services";
option java_multiple_files = true;
option java_outer_classname = "KeywordPlanIdeaServiceProto";
option java_package = "com.google.ads.googleads.v4.services";
option objc_class_prefix = "GAA";
option php_namespace = "Google\\Ads\\GoogleAds\\V4\\Services";
option ruby_package = "Google::Ads::GoogleAds::V4::Services";

// Proto file describing the keyword plan idea service.

// Service to generate keyword ideas.
service KeywordPlanIdeaService {
  option (google.api.default_host) = "googleads.googleapis.com";
  option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/adwords";

  // Returns a list of keyword ideas.
  rpc GenerateKeywordIdeas(GenerateKeywordIdeasRequest) returns (GenerateKeywordIdeaResponse) {
    option (google.api.http) = {
      post: "/v4/customers/{customer_id=*}:generateKeywordIdeas"
      body: "*"
    };
  }
}

// Request message for [KeywordPlanIdeaService.GenerateKeywordIdeas][google.ads.googleads.v4.services.KeywordPlanIdeaService.GenerateKeywordIdeas].
message GenerateKeywordIdeasRequest {
  // The ID of the customer with the recommendation.
  string customer_id = 1;

  // Required. The resource name of the language to target.
  // Required
  google.protobuf.StringValue language = 7 [(google.api.field_behavior) = REQUIRED];

  // The resource names of the location to target.
  // Max 10
  repeated google.protobuf.StringValue geo_target_constants = 8;

  // If true, adult keywords will be included in response.
  // The default value is false.
  bool include_adult_keywords = 10;

  // Token of the page to retrieve. If not specified, the first
  // page of results will be returned. To request next page of results use the
  // value obtained from `next_page_token` in the previous response.
  // The request fields must match across pages.
  string page_token = 12;

  // Number of results to retrieve in a single page.
  // A maximum of 10,000 results may be returned, if the page_size
  // exceeds this, it is ignored.
  // If unspecified, at most 10,000 results will be returned.
  // The server may decide to further limit the number of returned resources.
  // If the response contains fewer than 10,000 results it may not be assumed
  // as last page of results.
  int32 page_size = 13;

  // Targeting network.
  google.ads.googleads.v4.enums.KeywordPlanNetworkEnum.KeywordPlanNetwork keyword_plan_network = 9;

  // The type of seed to generate keyword ideas.
  oneof seed {
    // A Keyword and a specific Url to generate ideas from
    // e.g. cars, www.example.com/cars.
    KeywordAndUrlSeed keyword_and_url_seed = 2;

    // A Keyword or phrase to generate ideas from, e.g. cars.
    KeywordSeed keyword_seed = 3;

    // A specific url to generate ideas from, e.g. www.example.com/cars.
    UrlSeed url_seed = 5;

    // The site to generate ideas from, e.g. www.example.com.
    SiteSeed site_seed = 11;
  }
}

// Keyword And Url Seed
message KeywordAndUrlSeed {
  // The URL to crawl in order to generate keyword ideas.
  google.protobuf.StringValue url = 1;

  // Requires at least one keyword.
  repeated google.protobuf.StringValue keywords = 2;
}

// Keyword Seed
message KeywordSeed {
  // Requires at least one keyword.
  repeated google.protobuf.StringValue keywords = 1;
}

// Site Seed
message SiteSeed {
  // The domain name of the site. If the customer requesting the ideas doesn't
  // own the site provided only public information is returned.
  google.protobuf.StringValue site = 1;
}

// Url Seed
message UrlSeed {
  // The URL to crawl in order to generate keyword ideas.
  google.protobuf.StringValue url = 1;
}

// Response message for [KeywordPlanIdeaService.GenerateKeywordIdeas][google.ads.googleads.v4.services.KeywordPlanIdeaService.GenerateKeywordIdeas].
message GenerateKeywordIdeaResponse {
  // Results of generating keyword ideas.
  repeated GenerateKeywordIdeaResult results = 1;

  // Pagination token used to retrieve the next page of results.
  // Pass the content of this string as the `page_token` attribute of
  // the next request.
  // `next_page_token` is not returned for the last page.
  string next_page_token = 2;

  // Total number of results available.
  int64 total_size = 3;
}

// The result of generating keyword ideas.
message GenerateKeywordIdeaResult {
  // Text of the keyword idea.
  // As in Keyword Plan historical metrics, this text may not be an actual
  // keyword, but the canonical form of multiple keywords.
  // See KeywordPlanKeywordHistoricalMetrics message in KeywordPlanService.
  google.protobuf.StringValue text = 2;

  // The historical metrics for the keyword
  google.ads.googleads.v4.common.KeywordPlanHistoricalMetrics keyword_idea_metrics = 3;
}