#!/usr/bin/env ruby
# Encoding: utf-8
#
# Author:: api.dklimkin@gmail.com (Danial Klimkin)
#
# Copyright:: Copyright 2011, 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 illustrates how to add text ads to a given ad group. To create an
# ad group, run add_ad_group.rb.
#
# Tags: AdGroupAdService.mutate

require 'adwords_api'

def add_text_ads(ad_group_id)
  # AdwordsApi::Api will read a config file from ENV['HOME']/adwords_api.yml
  # when called without parameters.
  adwords = AdwordsApi::Api.new

  # To enable logging of SOAP requests, set the log_level value to 'DEBUG' in
  # the configuration file or provide your own logger:
  # adwords.logger = Logger.new('adwords_xml.log')

  ad_group_ad_srv = adwords.service(:AdGroupAdService, API_VERSION)

  # Create text ads.
  # The 'xsi_type' field allows you to specify the xsi:type of the object
  # being created. It's only necessary when you must provide an explicit
  # type that the client library can't infer.
  text_ads = [
    {
      :xsi_type => 'TextAd',
      :headline => 'Luxury Cruise to Mars',
      :description1 => 'Visit the Red Planet in style.',
      :description2 => 'Low-gravity fun for everyone!',
      :final_urls => ['http://www.example.com'],
      :display_url => 'www.example.com'
    },
    {
      :xsi_type => 'TextAd',
      :headline => 'Luxury Cruise to Mars',
      :description1 => 'Enjoy your stay at Red Planet.',
      :description2 => 'Buy your tickets now!',
      :final_urls => ['http://www.example.com'],
      :display_url => 'www.example.com'
    }
  ]

  # Create ad 'ADD' operations.
  text_ad_operations = text_ads.map do |text_ad|
    {:operator => 'ADD',
     :operand => {:ad_group_id => ad_group_id, :ad => text_ad}}
  end

  # Add ads.
  response = ad_group_ad_srv.mutate(text_ad_operations)
  if response and response[:value]
    ads = response[:value]
    puts "Added %d ad(s) to ad group ID %d:" % [ads.length, ad_group_id]
    ads.each do |ad|
      puts "\tAd ID %d, type '%s' and status '%s'" %
          [ad[:ad][:id], ad[:ad][:ad_type], ad[:status]]
    end
  else
    raise StandardError, 'No ads were added.'
  end
end

if __FILE__ == $0
  API_VERSION = :v201506

  begin
    # Ad group ID to add text ads to.
    ad_group_id = 'INSERT_AD_GROUP_ID_HERE'.to_i
    add_text_ads(ad_group_id)

  # Authorization error.
  rescue AdsCommon::Errors::OAuth2VerificationRequired => e
    puts "Authorization credentials are not valid. Edit adwords_api.yml for " +
        "OAuth2 client ID and secret and run misc/setup_oauth2.rb example " +
        "to retrieve and store OAuth2 tokens."
    puts "See this wiki page for more details:\n\n  " +
        'http://code.google.com/p/google-api-ads-ruby/wiki/OAuth2'

  # HTTP errors.
  rescue AdsCommon::Errors::HttpError => e
    puts "HTTP Error: %s" % e

  # API errors.
  rescue AdwordsApi::Errors::ApiException => e
    puts "Message: %s" % e.message
    puts 'Errors:'
    e.errors.each_with_index do |error, index|
      puts "\tError [%d]:" % (index + 1)
      error.each do |field, value|
        puts "\t\t%s: %s" % [field, value]
      end
    end
  end
end
