# -*- coding: utf-8 -*-
# -------------------------------------------------------------------------
# Copyright (c) 2009-2011 Sem4r sem4ruby@gmail.com
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# -------------------------------------------------------------------------

module Sem4r

  module AccountInfoExtension

    def year_unit_cost(usage_type)
      now = Time.new - 60 * 60 * 24  # - 1 day time in which timezone?
      selector = InfoSelector.new do
        usage_type    usage_type
        min           now.strftime("%Y0101") # first January
        max           now.strftime("%Y%m%d")
      end
      soap_message = service.info.get(credentials, selector.to_xml)
      add_counters( soap_message.counters )
      # cost = REXML::XPath.first( soap_message.response, "//getResponse/rval/cost")
      cost = soap_message.response.at_xpath("//getResponse/rval/cost")
      cost.text.to_i
    end
  end

  class Account
    include AccountInfoExtension
  end

end
