module Amazon
  module MWS
    module Orders

      def get_orders_list(params ={})
        query_params = { "Action"   => "ListOrders" }
        query_params.merge!({"CreatedAfter" => params[:created_after]}) if params[:created_after]
        query_params.merge!({"CreatedBefore" => params[:created_before]}) if params[:created_before]
        query_params.merge!({"LastUpdatedAfter" =>params[:last_updated_after]}) if params[:last_updated_after]
        query_params.merge!({"LastUpdatedBefore" => params[:last_updated_before]}) if params[:last_updated_before]
        query_params.merge!({"BuyerEmail" => params[:buyer_email]}) if params[:buyer_email]
        query_params.merge!({"SellerOrderId" => params[:seller_order_id]}) if params[:seller_order_id]
        query_params.merge!({"MaxResultsPerPage" => params[:results_per_page]}) if params[:results_per_page]

        if params[:fulfillment_channel]
          params[:fulfillment_channel].to_a.each_with_index{|channel,i| query_params.merge!({"FulfillmentChannel.Channel.#{i+1}" => channel})}
        end

        if params[:order_status]
          params[:order_status].to_a.each_with_index{|status,i| query_params.merge!({"OrderStatus.Status.#{i+1}" => status})}
        end

        if params[:marketplace_id]
          params[:marketplace_id].to_a.each_with_index{|id,i| query_params.merge!({"MarketplaceId.Id.#{i+1}" => id})}
        end

        response = post(order_path, query_params)
        if params[:raw_xml]
          return response
        end
        RequestOrdersResponse.format(response)
      end

      def get_orders_list_by_next_token(params ={})
        next_token = params[:next_token]

        query_params = {
          "Action"   => "ListOrdersByNextToken"
        }
        if next_token
          query_params.merge!({"NextToken" => next_token})
        end
        response = post(order_path, query_params)
        if params[:raw_xml]
          return response
        end
        RequestOrdersByNextTokenResponse.format(response)
      end

      def get_list_order_items(params ={})
        amazon_order_id = params[:amazon_order_id]

        query_params = {
          "Action"   => "ListOrderItems"
        }
        if amazon_order_id
          query_params.merge!({"AmazonOrderId" => amazon_order_id})
        end
        response = post(order_path, query_params)
        if params[:raw_xml]
        	return response
        end
       	RequestOrderItemsResponse.format(response)
      end

      def get_list_order_items_by_next_token(params ={})
        next_token = params[:next_token]

        query_params = {
          "Action"   => "ListOrderItemsByNextToken"
        }

        if next_token
          query_params.merge!({"NextToken" => next_token})
        end
        response = post(order_path, query_params)
        if params[:raw_xml]
          return response
        end
        RequestOrderItemsByNextTokenResponse.format(response)
      end

      def get_orders(params ={})

        query_params = {
          "Action"   => "GetOrder"
        }

        if params[:amazon_order_id]
          params[:amazon_order_id].to_a.each_with_index{|id,i| query_params.merge!({"AmazonOrderId.Id.#{i+1}" => id})}
        end

        response = post(order_path, query_params)
        if params[:raw_xml]
          return response
        end
        RequestGetOrderResponse.format(response)
      end
      
      private
      def order_path
        "/Orders/#{Authentication::ORDERS_VERSION}"
      end

    end
  end
end