module KashflowApi
    class Line < KashflowApi::SoapObject
      Keys = [
        "Quantity", "Description", "ChargeType", "VatAmount", "VatRate", "Rate", "ReceiptID", "InvoiceID", "InvoiceNumber", "ReceiptNumber"
      ]
      
      Finds = []
      
      KFObject = {singular: "line", plural: "lines"}
      
      XMLKey = "LineID"
      
      def save
        if @hash["ReceiptID"] != ""
          insert_receipt_line
        elsif @hash["InvoiceID"] != ""
          insert_invoice_line
        elsif @hash["InvoiceNumber"] != ""
          insert_invoice_number_line
        elsif @hash["ReceiptNumber"] != ""
          insert_receipt_number_line    
        end
      end
      
      def to_xml
        xml = []
        id_line = ""
        @hash.keys.each do |key|
          if key == "LineID"
            id_line = "<#{key}>#{@hash[key]}</#{key}>" unless @hash[key] == "0"
          elsif key != "ReceiptID" && key != "InvoiceID" && @hash[key] != ""
            xml.push("<#{key}>#{@hash[key]}</#{key}>")
          end
        end
        [id_line, xml.join].join
      end
        
      private
      
      def insert_receipt_line
        KashflowApi.api.insert_receipt_line(self)
      end
        
      def insert_invoice_line
        KashflowApi.api.insert_invoice_line(self)
      end
        
      def insert_invoice_number_line
        KashflowApi.api.insert_invoice_line_with_invoice_number(self)
      end
        
      def insert_receipt_number_line
        KashflowApi.api.insert_receipt_line_from_number(self)
      end
    end
end