module DHLEcommerceAPI
  class Shipment < Base
    # Base Shipment class
    # info returned - delivery_confirmation_no, delivery_depot_code, primary_sort_code, secondary_sort_code

    self.prefix = "/rest/v3/Shipment"
    self.element_name = ""
    
    has_many :shipment_items, class_name: "DHLEcommerceAPI::Shipment::ShipmentItem"
    
    validates_presence_of :handover_method

    def create
      run_callbacks :create do
        data = formatted_request_data(manifest_request)
        connection.post(collection_path, data, self.class.headers).tap do |response|
          load_attributes_from_response(response)
        end
      end
    end

    def load_attributes_from_response(response)
      if response_code_allows_body?(response.code.to_i) &&
          (response["Content-Length"].nil? || response["Content-Length"] != "0") &&
          !response.body.nil? && response.body.strip.size > 0
        
        bd = self.class.format.decode(response.body)["bd"]
        response_status = bd["responseStatus"]
        code = response_status["code"]

        if code == "200"
          @persisted = true
        elsif code == "204"
          # handle partial success
          @persisted = false
        else
          error_messages = response_status["messageDetails"].map{|err| err["messageDetail"]}
          handle_errors(code, error_messages)
          @persisted = false
        end

        new_attributes = attributes.merge(bd)
        load(new_attributes, true, @persisted)
      end
    end

    def manifest_request
      {
        manifest_request: {
          hdr: headers,
          bd: attributes_with_account_ids.deep_transform_keys {|key| key.to_s.underscore.to_sym }
        }
      }
    end
    
    def headers
      {
        message_type: "SHIPMENT",
        message_date_time: DateTime.now.to_s,
        access_token: DHLEcommerceAPI::Authentication.get_token,
        message_version: "1.0"
      }
    end
  end
end

# Examples:
# shipment_with_pickup_params = {
#   "handoverMethod": 2,
#   "pickupDateTime": DateTime.now.to_s,
#   "pickupAddress": {
#     "companyName": "Pickup From Company",
#     "name": "Pickup From Name",
#     "address1": "Holistic Pharmacy PostCo, 55, Jalan Landak",
#     "address2": "",
#     "address3": "",
#     "city": " Kuala Lumpur",
#     "state": " Kuala Lumpur",
#     "postCode": "55100",
#     "country": "MY",
#     "phone": "0169822645",
#     "email": "erwhey@postco.co"
#   },
#   "shipmentItems": [
#     {
#       "shipmentID": "MYPTC0083",
#       "packageDesc": "Laptop Sleeve",
#       "totalWeight": 500,
#       "totalWeightUOM": "G",
#       "dimensionUOM": "CM",
#       "height": nil,
#       "length": nil,
#       "width": nil,
#       "productCode": "PDO",
#       "codValue": nil,
#       "insuranceValue": nil,
#       "totalValue": 300,
#       "currency": "MYR",
#       "remarks": nil,
#       "isRoutingInfoRequired": "Y",
#       "consigneeAddress": {
#         "companyName": "Sleeve Company",
#         "name": "Sleeve Sdn Bhd",
#         "address1": "No. 3, Jalan Bangsar, Kampung Haji Abdullah Hukum",
#         "address2": nil,
#         "address3": nil,
#         "city": "Kuala Lumpur",
#         "state": "Kuala Lumpur",
#         "district": nil,
#         "country": "MY",
#         "postCode": "59200",
#         "phone": "0169822645",
#         "email": nil
#       }
#     },
#   ]
# }

# shipment_with_dropoff_params = {
#   "handover_method" => 1,
#   "shipment_items" => [
#     { 
#       "consignee_address" => { 
#         "company_name" => "Test",
#         "name" => "Test1",
#         "address1" => "NO 3 JALAN PPU 1",
#         "address2" => "TAMAN PERINDUSTRIAN PUCHONG UTAMA",
#         "address3" => nil,
#         "city" => "PUCHONG",
#         "state" => "SELANGOR",
#         "district" => nil,
#         "country" => "MY",
#         "post_code" => "57000",
#         "phone" => "0123456798",
#         "email" => nil 
#       },
#       "shipment_id" => "MYPTC000102",
#       "package_desc" => "Bread Materials",
#       "total_weight" => 2000,
#       "total_weight_uom" => "G",
#       "dimension_uom" => "CM",
#       "height" => nil,
#       "length" => nil,
#       "width" => nil,
#       "product_code" => "PDO",
#       "cod_value" => nil,
#       "insurance_value" => nil,
#       "total_value" => 300,
#       "currency" => "MYR",
#       "remarks" => nil,
#       "is_routing_info_required" => "Y" 
#     }
#   ],
# }