module MWS
  module Orders
    module Parser
      class Model < Base
        include Structure

        def float_at_xpath(path)
          str = text_at_xpath(path)
          str.to_f if str
        end

        def integer_at_xpath(path)
          str = text_at_xpath(path)
          str.to_i if str
        end

        def money_at_xpath(path)
          return unless amount = float_at_xpath("#{path}/Amount")

          currency_code = text_at_xpath("#{path}/CurrencyCode")
          amount = amount * 100 unless currency_code == 'JPY'

          Money.new(amount, currency_code)
        end

        def text_at_xpath(path)
          node = at_xpath(path)
          node.text if node
        end

        def time_at_xpath(path)
          str = text_at_xpath(path)
          Time.parse(CGI.unescape(str)) if str
        end
      end
    end
  end
end