#!/usr/bin/env ruby
# Encoding: utf-8
#
# Copyright:: Copyright 2017, Google Inc. All Rights Reserved.
#
# License:: 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 adds various types of negative criteria to a customer. These
# criteria will be applied to all campaigns for the customer.

require 'optparse'
require 'google/ads/google_ads'

def add_customer_negative_criteria(customer_id)
  # GoogleAdsClient will read a config file from
  # ENV['HOME']/google_ads_config.rb when called without parameters
  client = Google::Ads::GoogleAds::GoogleAdsClient.new

  tragedy_operation = client.operation.create_resource.customer_negative_criterion do |tragedy_criterion|
    tragedy_criterion.content_label = client.resource.content_label_info do |cl|
      cl.type = :TRAGEDY
    end
  end

  placement_operation = client.operation.create_resource.customer_negative_criterion do |placement_criterion|
    placement_criterion.placement = client.resource.placement_info do |pl|
      pl.url = "http://example.com"
    end
  end

  ops = [tragedy_operation, placement_operation]

  customer_negative_criterion_service = client.service.customer_negative_criterion

  response = customer_negative_criterion_service.mutate_customer_negative_criteria(
    customer_id: customer_id,
    operations: ops,
  )

  # Display the results.
  response.results.each do |negative_criterion|
    puts "Customer negative criterion with criterion resource name #{negative_criterion.resource_name} was added"
  end
end

if __FILE__ == $0
  options = {}
  # 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.
  options[:customer_id] = 'INSERT_CUSTOMER_ID_HERE'

  OptionParser.new do |opts|
    opts.banner = sprintf('Usage: add_customer_negative_criteria.rb [options]')

    opts.separator ''
    opts.separator 'Options:'

    opts.on('-C', '--customer-id CUSTOMER-ID', String, 'Customer ID') do |v|
      options[:customer_id] = v
    end

    opts.separator ''
    opts.separator 'Help:'

    opts.on_tail('-h', '--help', 'Show this message') do
      puts opts
      exit
    end
  end.parse!

  begin
    add_customer_negative_criteria(
      options.fetch(:customer_id).tr("-", ""),
    )
  rescue Google::Ads::GoogleAds::Errors::GoogleAdsError => e
    e.failure.errors.each do |error|
      STDERR.printf("Error with message: %s\n", error.message)
      if error.location
        error.location.field_path_elements.each do |field_path_element|
          STDERR.printf("\tOn field: %s\n", field_path_element.field_name)
        end
      end
      error.error_code.to_h.each do |k, v|
        next if v == :UNSPECIFIED
        STDERR.printf("\tType: %s\n\tCode: %s\n", k, v)
      end
    end
    raise
  end
end
