#!/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 updates a proposal line item. To determine which proposal line
# items exist, run get_all_proposal_line_items.rb.

require 'ad_manager_api'

def update_proposal_line_item(ad_manager, proposal_line_item_id)
  # Get the ProposalLineItemService.
  proposal_line_item_service = ad_manager.service(
      :ProposalLineItemService, API_VERSION
  )

  # Create a statement to select a single proposal line item.
  statement = ad_manager.new_statement_builder do |sb|
    sb.where = 'id = :proposal_line_item_id'
    sb.with_bind_variable('proposal_line_item_id', proposal_line_item_id)
    sb.limit = 1
  end

  # Get the proposal line item.
  response = proposal_line_item_service.get_proposal_line_items_by_statement(
    statement.to_statement()
  )
  if response[:results].to_a.size < 1
    raise 'No proposal line items found to update.'
  end
  proposal_line_item = response[:results].first

  # Update proposal line item's notes field
  proposal_line_item[:internal_notes] = 'Proposal line item is ready to submit.'

  # Send updated proposal line item to the server.
  updated_proposal_line_items = proposal_line_item_service.
      update_proposal_line_items([proposal_line_item])

  # Display the results.
  if updated_proposal_line_items.to_a.size > 0
    updated_proposal_line_items.each do |proposal_line_item|
      puts ('Proposal line item with ID %d and name "%s", belonging to ' +
          'proposal with ID %d, was updated.') %
          [proposal_line_item[:id], proposal_line_item[:name],
          proposal_line_item[:proposal_id]]
    end
  else
    puts 'No proposal line items were updated.'
  end
end

if __FILE__ == $0
  API_VERSION = :v202508

  # Get AdManagerApi instance and load configuration from ~/ad_manager_api.yml.
  ad_manager = AdManagerApi::Api.new

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

  begin
    proposal_line_item_id = 'INSERT_PROPOSAL_LINE_ITEM_ID_HERE'.to_i
    update_proposal_line_item(ad_manager, proposal_line_item_id)

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

  # API errors.
  rescue AdManagerApi::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
