// 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.v2.services;

import "google/ads/googleads/v2/resources/campaign_draft.proto";
import "google/api/annotations.proto";
import "google/api/client.proto";
import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/longrunning/operations.proto";
import "google/protobuf/field_mask.proto";
import "google/rpc/status.proto";

option csharp_namespace = "Google.Ads.GoogleAds.V2.Services";
option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v2/services;services";
option java_multiple_files = true;
option java_outer_classname = "CampaignDraftServiceProto";
option java_package = "com.google.ads.googleads.v2.services";
option objc_class_prefix = "GAA";
option php_namespace = "Google\\Ads\\GoogleAds\\V2\\Services";
option ruby_package = "Google::Ads::GoogleAds::V2::Services";

// Proto file describing the Campaign Draft service.

// Service to manage campaign drafts.
service CampaignDraftService {
  option (google.api.default_host) = "googleads.googleapis.com";

  // Returns the requested campaign draft in full detail.
  rpc GetCampaignDraft(GetCampaignDraftRequest) returns (google.ads.googleads.v2.resources.CampaignDraft) {
    option (google.api.http) = {
      get: "/v2/{resource_name=customers/*/campaignDrafts/*}"
    };
    option (google.api.method_signature) = "resource_name";
  }

  // Creates, updates, or removes campaign drafts. Operation statuses are
  // returned.
  rpc MutateCampaignDrafts(MutateCampaignDraftsRequest) returns (MutateCampaignDraftsResponse) {
    option (google.api.http) = {
      post: "/v2/customers/{customer_id=*}/campaignDrafts:mutate"
      body: "*"
    };
    option (google.api.method_signature) = "customer_id,operations";
  }

  // Promotes the changes in a draft back to the base campaign.
  //
  // This method returns a Long Running Operation (LRO) indicating if the
  // Promote is done. Use [Operations.GetOperation] to poll the LRO until it
  // is done. Only a done status is returned in the response. See the status
  // in the Campaign Draft resource to determine if the promotion was
  // successful. If the LRO failed, use
  // [CampaignDraftService.ListCampaignDraftAsyncErrors][google.ads.googleads.v2.services.CampaignDraftService.ListCampaignDraftAsyncErrors] to view the list of
  // error reasons.
  rpc PromoteCampaignDraft(PromoteCampaignDraftRequest) returns (google.longrunning.Operation) {
    option (google.api.http) = {
      post: "/v2/{campaign_draft=customers/*/campaignDrafts/*}:promote"
      body: "*"
    };
    option (google.api.method_signature) = "campaign_draft";
    option (google.longrunning.operation_info) = {
      response_type: "google.protobuf.Empty"
      metadata_type: "google.protobuf.Empty"
    };
  }

  // Returns all errors that occurred during CampaignDraft promote. Throws an
  // error if called before campaign draft is promoted.
  // Supports standard list paging.
  rpc ListCampaignDraftAsyncErrors(ListCampaignDraftAsyncErrorsRequest) returns (ListCampaignDraftAsyncErrorsResponse) {
    option (google.api.http) = {
      get: "/v2/{resource_name=customers/*/campaignDrafts/*}:listAsyncErrors"
    };
    option (google.api.method_signature) = "resource_name";
  }
}

// Request message for [CampaignDraftService.GetCampaignDraft][google.ads.googleads.v2.services.CampaignDraftService.GetCampaignDraft].
message GetCampaignDraftRequest {
  // Required. The resource name of the campaign draft to fetch.
  string resource_name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "googleads.googleapis.com/CampaignDraft"
    }
  ];
}

// Request message for [CampaignDraftService.MutateCampaignDrafts][google.ads.googleads.v2.services.CampaignDraftService.MutateCampaignDrafts].
message MutateCampaignDraftsRequest {
  // Required. The ID of the customer whose campaign drafts are being modified.
  string customer_id = 1 [(google.api.field_behavior) = REQUIRED];

  // Required. The list of operations to perform on individual campaign drafts.
  repeated CampaignDraftOperation operations = 2 [(google.api.field_behavior) = REQUIRED];

  // If true, successful operations will be carried out and invalid
  // operations will return errors. If false, all operations will be carried
  // out in one transaction if and only if they are all valid.
  // Default is false.
  bool partial_failure = 3;

  // If true, the request is validated but not executed. Only errors are
  // returned, not results.
  bool validate_only = 4;
}

// Request message for [CampaignDraftService.PromoteCampaignDraft][google.ads.googleads.v2.services.CampaignDraftService.PromoteCampaignDraft].
message PromoteCampaignDraftRequest {
  // Required. The resource name of the campaign draft to promote.
  string campaign_draft = 1 [(google.api.field_behavior) = REQUIRED];
}

// A single operation (create, update, remove) on a campaign draft.
message CampaignDraftOperation {
  // FieldMask that determines which resource fields are modified in an update.
  google.protobuf.FieldMask update_mask = 4;

  // The mutate operation.
  oneof operation {
    // Create operation: No resource name is expected for the new campaign
    // draft.
    google.ads.googleads.v2.resources.CampaignDraft create = 1;

    // Update operation: The campaign draft is expected to have a valid
    // resource name.
    google.ads.googleads.v2.resources.CampaignDraft update = 2;

    // Remove operation: The campaign draft is expected to have a valid
    // resource name, in this format:
    //
    // `customers/{customer_id}/campaignDrafts/{base_campaign_id}~{draft_id}`
    string remove = 3;
  }
}

// Response message for campaign draft mutate.
message MutateCampaignDraftsResponse {
  // Errors that pertain to operation failures in the partial failure mode.
  // Returned only when partial_failure = true and all errors occur inside the
  // operations. If any errors occur outside the operations (e.g. auth errors),
  // we return an RPC level error.
  google.rpc.Status partial_failure_error = 3;

  // All results for the mutate.
  repeated MutateCampaignDraftResult results = 2;
}

// The result for the campaign draft mutate.
message MutateCampaignDraftResult {
  // Returned for successful operations.
  string resource_name = 1;
}

// Request message for [CampaignDraftService.ListCampaignDraftAsyncErrors][google.ads.googleads.v2.services.CampaignDraftService.ListCampaignDraftAsyncErrors].
message ListCampaignDraftAsyncErrorsRequest {
  // Required. The name of the campaign draft from which to retrieve the async errors.
  string resource_name = 1 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.resource_reference) = {
      type: "googleads.googleapis.com/CampaignDraft"
    }
  ];

  // Token of the page to retrieve. If not specified, the first
  // page of results will be returned. Use the value obtained from
  // `next_page_token` in the previous response in order to request
  // the next page of results.
  string page_token = 2;

  // Number of elements to retrieve in a single page.
  // When a page request is too large, the server may decide to
  // further limit the number of returned resources.
  int32 page_size = 3;
}

// Response message for [CampaignDraftService.ListCampaignDraftAsyncErrors][google.ads.googleads.v2.services.CampaignDraftService.ListCampaignDraftAsyncErrors].
message ListCampaignDraftAsyncErrorsResponse {
  // Details of the errors when performing the asynchronous operation.
  repeated google.rpc.Status errors = 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;
}