class Printer::OrderQueuePrinter < Printer::PrinterWorker

  def print_order_item(printer_settings,order_id, item_code)
    #Use CUPS service
    #Generate PDF
    #Print
    order_item=  print_query('order_item', item_code) #OrderItem.find_by_item_code(item_code)    
    pdf = OrderItemPdf.new(order_item[0],printer_settings)
    pdf.render_file "tmp/receipt.pdf"
    self.print("tmp/receipt.pdf")
  end

  def print_order_summary(printer_settings,booking_id)
    #Use CUPS service
    #Generate PDF
    #Print
    order=print_query('booking',booking_id)
    filename = "tmp/order_summary_#{booking_id}" + ".pdf"
    pdf = OrderSummaryPdf.new(order,printer_settings)
    pdf.render_file filename

    self.print(filename)
  end

  # Query for OQS with status
  def print_query(type, code)
    if type == 'order_item'
      OrderItem.select("order_items.item_code, order_items.item_name,order_items.item_order_by as order_by, order_items.created_at as order_at, cus.name as customer, df.name as dining")
        .joins("left join orders ON orders.id = order_items.order_id
                left join booking_orders AS bo ON bo.order_id=order_items.order_id
                left join bookings AS b ON b.id = bo.booking_id
                left join dining_facilities AS df ON df.id = b.dining_facility_id
                left join customers as cus ON cus.id = orders.customer_id")
        .where("order_items.item_code=" + code)
        .group("order_items.item_code")
    else 
      OrderItem.select("order_items.item_code, order_items.item_name, df.name as dining")
        .joins("left join orders ON orders.id = order_items.order_id
                left join booking_orders AS bo ON bo.order_id=order_items.order_id
                left join bookings AS b ON b.id = bo.booking_id
                left join dining_facilities AS df ON df.id = b.dining_facility_id")
        .where("booking.id=" + code)
    end

  end
end