// Copyright 2018 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.


// Proto file describing the Budget resource.
syntax = "proto3";

package google.ads.googleads.v0.resources;

import "google/ads/googleads/v0/enums/budget_delivery_method.proto";
import "google/ads/googleads/v0/enums/budget_status.proto";
import "google/protobuf/wrappers.proto";

option java_package = "com.google.ads.googleads.v0.resources";
option java_outer_classname = "CampaignBudgetProto";
option java_multiple_files = true;

// Objective-C prefix. Google Ads API.
option objc_class_prefix = "GAA";
option csharp_namespace = "Google.Ads.GoogleAds.V0.Resources";
option php_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";
option php_metadata_namespace = "Google\\Ads\\GoogleAds\\V0\\Resources";

// A campaign budget.
message CampaignBudget {

  // The resource name of the campaign budget.
  // Campaign budget resource names have the form:
  //
  // `customers/{customer_id}/campaignBudgets/{budget_id}`
  string resource_name = 1;

  // The ID of the campaign budget.
  //
  // A campaign budget is created using the CampaignBudgetService create
  // operation and is assigned a budget ID. A budget ID can be shared across
  // different campaigns; the system will then allocate the campaign budget
  // among different campaigns to get optimum results.
  google.protobuf.Int64Value id = 3;

  // The name of the campaign budget.
  //
  // When creating a campaign budget through CampaignBudgetService, every
  // explicitly shared campaign budget must have a non-null, non-empty name.
  // Campaign budgets that are not explicitly shared derive their name from the
  // attached campaign's name.
  //
  // The length of this string must be between 1 and 255, inclusive,
  // in UTF-8 bytes, (trimmed).
  google.protobuf.StringValue name = 4;

  // The amount of the budget, in the local currency for the account.
  // Amount is specified in micros, where one million is equivalent to one
  // currency unit.
  google.protobuf.Int64Value amount_micros = 5;

  // The status of this campaign budget. This field is read-only.
  enums.BudgetStatusEnum.BudgetStatus status = 6;

  // The delivery method that determines the rate at which the campaign budget
  // is spent.
  //
  // Defaults to STANDARD if unspecified in a create operation.
  enums.BudgetDeliveryMethodEnum.BudgetDeliveryMethod delivery_method = 7;

  // Whether the budget is explicitly shared. This field is set to false by
  // default.
  //
  // If true, the budget was created with the purpose of sharing
  // across one or more campaigns.
  //
  // If false, the budget was created with the intention of only being used
  // with a single campaign. The budget's name and status will stay in sync
  // with the campaign's name and status. Attempting to share the budget with a
  // second campaign will result in an error.
  //
  // A non-shared budget can become an explicitly shared. The same operation
  // must
  // also assign the budget a name.
  //
  // A shared campaign budget can never become non-shared.
  google.protobuf.BoolValue explicitly_shared = 8;

  // The number of campaigns actively using the budget.
  //
  // This field is read-only.
  google.protobuf.Int64Value reference_count = 9;
}
