#
# Handles orders in progress for which customers have not paid
#
class OrderHandler
  attr_accessor :discount_error, :over_limit, :cart, :error

  def initialize(cart)
    self.cart = cart
  end

  def handle_tickets(params)
    if params[:ticket_type_id]
      ticket_ids = []
      over_limit = []

      ticket_type = TicketType.find(params[:ticket_type_id])
      Rails.logger.debug("QUANTITY #{params[:quantity].to_i}")
      tickets = ticket_type.available_tickets(params[:quantity].to_i)
      ids = tickets.collect(&:id)
      Rails.logger.debug("TICKET IDS: #{ids}")
      Ticket.lock(tickets, ticket_type, self.cart)

      Rails.logger.debug("OVER LIMIT? #{ids.length < params[:quantity].to_i}")
      if ids.length < params[:quantity].to_i
        Rails.logger.debug("OVER THE LINE!")
        #TODO: return and display a sensible error message
      end

      params = params.merge(:tickets => ticket_ids) if ticket_ids.any?
    end
    params
  end

  def handle_discount(params)
    if params[:discount].present?
      begin
        @discount = nil
        self.cart.tickets.each do |ticket|
          @discount = Discount.find_by_code_and_event_id(params[:discount].upcase, ticket.show.event.id)
          Rails.logger.debug(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> #{@discount}")
          unless @discount.nil?
            @discount.apply_discount_to_cart(self.cart)
            break
          end
        end

        if @discount.nil?
          self.error = "We could not find your discount. Please try again."
        end
      rescue RuntimeError => e
        self.error = e.message
        params[:discount] = nil        
      rescue NoMethodError => e
        Rails.logger.error(e)
        Rails.logger.error(e.backtrace)
        self.error = "We could not find your discount. Please try again."
        params[:discount] = nil
      end
    end
    @discount
  end

  def handle_donation(params, organization)
    if params[:donation_amount]
      self.cart.clear_donations
      if params[:donation_amount].to_i == 0
        flash[:error] = "Please enter a donation amount."
        return
      end
      
      donation = Donation.new
      donation.amount = params[:donation_amount].to_i * 100
      donation.organization = organization
      self.cart.donations << donation
    end
  end


  def handle_memberships(params)
    unless params[:membership_type].blank?
      membership_type_id = params[:membership_type][:id]
      quantity = params[:quantity].to_i
      
      #how many memberships of this type are in the cart?
      #current_membership_type_count = self.cart.memberships.count{ |membership| membership.membership_type_id == membership_type_id }

      (1..quantity).each do |i|
        self.cart.memberships << Membership.for(MembershipType.find(membership_type_id))
      end
      
    end
  end
end