#!/usr/bin/perl -w
#
# Copyright 2019, 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.
#
# This example updates a keyword in an ad group. To get keywords, run
# get_keywords.pl.

use strict;
use warnings;
use utf8;

use FindBin qw($Bin);
use lib "$Bin/../../lib";
use Google::Ads::GoogleAds::Client;
use Google::Ads::GoogleAds::Utils::GoogleAdsHelper;
use Google::Ads::GoogleAds::Utils::FieldMasks;
use Google::Ads::GoogleAds::V12::Resources::AdGroupCriterion;
use Google::Ads::GoogleAds::V12::Enums::AdGroupCriterionStatusEnum qw(ENABLED);
use
  Google::Ads::GoogleAds::V12::Services::AdGroupCriterionService::AdGroupCriterionOperation;
use Google::Ads::GoogleAds::V12::Utils::ResourceNames;

use Getopt::Long qw(:config auto_help);
use Pod::Usage;
use Cwd qw(abs_path);

# The following parameter(s) should be provided to run the example. You can
# either specify these by changing the INSERT_XXX_ID_HERE values below, or on
# the command line.
#
# Parameters passed on the command line will override any parameters set in
# code.
#
# Running the example with -h will print the command line usage.
my $customer_id  = "INSERT_CUSTOMER_ID_HERE";
my $ad_group_id  = "INSERT_AD_GROUP_ID_HERE";
my $criterion_id = "INSERT_CRITERION_ID_HERE";

sub update_keyword {
  my ($api_client, $customer_id, $ad_group_id, $criterion_id) = @_;

  # Create an ad group criterion with the proper resource name and any other changes.
  my $ad_group_criterion =
    Google::Ads::GoogleAds::V12::Resources::AdGroupCriterion->new({
      resourceName =>
        Google::Ads::GoogleAds::V12::Utils::ResourceNames::ad_group_criterion(
        $customer_id, $ad_group_id, $criterion_id
        ),
      status => ENABLED,

      #finalUrls is an optional repeated field. Since we're starting with a
      # blank criterion, all existing final_urls will be replaced.
      finalUrls => ["https://www.example.com"]});

  # Create an ad group criterion operation for update, using the FieldMasks utility
  # to derive the update mask.
  my $ad_group_criterion_operation =
    Google::Ads::GoogleAds::V12::Services::AdGroupCriterionService::AdGroupCriterionOperation
    ->new({
      update     => $ad_group_criterion,
      updateMask => all_set_fields_of($ad_group_criterion)});

  # Update the keyword criterion.
  my $ad_group_criteria_response =
    $api_client->AdGroupCriterionService()->mutate({
      customerId => $customer_id,
      operations => [$ad_group_criterion_operation]});

  printf "Updated keyword criterion with resource name: '%s'.\n",
    $ad_group_criteria_response->{results}[0]{resourceName};

  return 1;
}

# Don't run the example if the file is being included.
if (abs_path($0) ne abs_path(__FILE__)) {
  return 1;
}

# Get Google Ads Client, credentials will be read from ~/googleads.properties.
my $api_client = Google::Ads::GoogleAds::Client->new();

# By default examples are set to die on any server returned fault.
$api_client->set_die_on_faults(1);

# Parameters passed on the command line will override any parameters set in code.
GetOptions(
  "customer_id=s"  => \$customer_id,
  "ad_group_id=i"  => \$ad_group_id,
  "criterion_id=i" => \$criterion_id
);

# Print the help message if the parameters are not initialized in the code nor
# in the command line.
pod2usage(2) if not check_params($customer_id, $ad_group_id, $criterion_id);

# Call the example.
update_keyword($api_client, $customer_id =~ s/-//gr,
  $ad_group_id, $criterion_id);

=pod

=head1 NAME

update_keyword

=head1 DESCRIPTION

This example updates a keyword in an ad group. To get keywords, run get_keywords.pl.

=head1 SYNOPSIS

update_keyword.pl [options]

    -help                       Show the help message.
    -customer_id                The Google Ads customer ID.
    -ad_group_id                The ad group ID.
    -criterion_id               The criterion ID, aka the keyword ID.

=cut
