if FoodsoftAutomaticInvoices.enabled?
  class Order < ApplicationRecord
    # Returns the all round price of a finished order
    # :groups returns the sum of all GroupOrders
    # :clear returns the price without tax, deposit and markup
    # :gross includes tax and deposit(gross). this amount should be equal to suppliers bill
    # :gross_without_deposit excludes the depost from the gross price
    # :net_deposit returns the deposit without tax (deposit entered by user is default gross)
    # :fc_deposit_price returns the deposit with markup
    # :fc, guess what...
    def sum(type = :gross)
      total = 0
      if %i[net gross net_deposit gross_without_deposit fc_without_deposit fc_deposit deposit fc].include?(type)
        for oa in order_articles.ordered.includes(:article, :article_price)
          quantity = oa.units * oa.price.unit_quantity
          case type
          when :net
            total += quantity * oa.price.price
          when :gross
            total += quantity * oa.price.gross_price
          when :gross_without_deposit
            total += quantity * oa.price.gross_price_without_deposit
          when :fc
            total += quantity * oa.price.fc_price
          when :fc_without_deposit
            total += quantity * oa.price.fc_price_without_deposit
          when :net_deposit
            total += quantity * oa.price.net_deposit_price
          when :fc_deposit
            total += quantity * oa.price.fc_deposit_price
          when :deposit
            total += quantity * oa.price.deposit
          end
        end
      elsif %i[groups groups_without_markup].include?(type)
        for go in group_orders.includes(group_order_articles: { order_article: %i[article article_price] })
          for goa in go.group_order_articles
            case type
            when :groups
              total += goa.result * goa.order_article.price.fc_price
            when :groups_without_markup
              total += goa.result * goa.order_article.price.gross_price
            end
          end
        end
      end
      total
    end
  end
end