module Workarea
  decorate Storefront::OrderViewModel, with: 'gift_card_display' do
    decorated do
      delegate :gift_card?, to: :payment
    end

    def gift_card_tender
      payment.gift_card
    end

    def gift_card_display_number
      gift_card_tender.try(:display_number)
    end

    def gift_card_tender_amount
      if gift_card?
        gift_card_tender.amount
      else
        0.to_m
      end
    end

    def paid_amount
      super - gift_card_tender_amount
    end
  end
end