// Copyright 2024 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.v18.enums;

option csharp_namespace = "Google.Ads.GoogleAds.V18.Enums";
option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v18/enums;enums";
option java_multiple_files = true;
option java_outer_classname = "AppCampaignBiddingStrategyGoalTypeProto";
option java_package = "com.google.ads.googleads.v18.enums";
option objc_class_prefix = "GAA";
option php_namespace = "Google\\Ads\\GoogleAds\\V18\\Enums";
option ruby_package = "Google::Ads::GoogleAds::V18::Enums";

// Proto file describing App Campaign bidding strategy goal types.

// Container for enum describing goal towards which the bidding strategy of an
// app campaign should optimize for.
message AppCampaignBiddingStrategyGoalTypeEnum {
  // Goal type of App campaign BiddingStrategy.
  enum AppCampaignBiddingStrategyGoalType {
    // Not specified.
    UNSPECIFIED = 0;

    // Used for return value only. Represents value unknown in this version.
    UNKNOWN = 1;

    // Aim to maximize the number of app installs. The cpa bid is the
    // target cost per install.
    OPTIMIZE_INSTALLS_TARGET_INSTALL_COST = 2;

    // Aim to maximize the long term number of selected in-app conversions from
    // app installs. The cpa bid is the target cost per install.
    OPTIMIZE_IN_APP_CONVERSIONS_TARGET_INSTALL_COST = 3;

    // Aim to maximize the long term number of selected in-app conversions from
    // app installs. The cpa bid is the target cost per in-app conversion. Note
    // that the actual cpa may seem higher than the target cpa at first, since
    // the long term conversions haven't happened yet.
    OPTIMIZE_IN_APP_CONVERSIONS_TARGET_CONVERSION_COST = 4;

    // Aim to maximize all conversions' value, for example, install + selected
    // in-app conversions while achieving or exceeding target return on
    // advertising spend.
    OPTIMIZE_RETURN_ON_ADVERTISING_SPEND = 5;

    // Aim to maximize the pre-registration of the app.
    OPTIMIZE_PRE_REGISTRATION_CONVERSION_VOLUME = 6;

    // Aim to maximize installation of the app without target cost-per-install.
    OPTIMIZE_INSTALLS_WITHOUT_TARGET_INSTALL_COST = 7;
  }
}
