module Spree
  module Api
    module ApiHelpers
      def required_fields_for(model)
        required_fields = model._validators.select do |field, validations|
          validations.any? { |v| v.is_a?(ActiveModel::Validations::PresenceValidator) }
        end.map(&:first) # get fields that are invalid
        # Permalinks presence is validated, but are really automatically generated
        # Therefore we shouldn't tell API clients that they MUST send one through
        required_fields.map!(&:to_s).delete("permalink")
        required_fields
      end

      def product_attributes
        [:id, :name, :description, :price, :available_on, :permalink, :meta_description, :meta_keywords, :shipping_category_id, :taxon_ids]
      end

      def product_property_attributes
        [:id, :product_id, :property_id, :value, :property_name]
      end

      def variant_attributes
        [:id, :name, :sku, :price, :weight, :height, :width, :depth, :is_master, :cost_price, :permalink]
      end

      def image_attributes
        [:id, :position, :attachment_content_type, :attachment_file_name, :type, :attachment_updated_at, :attachment_width, :attachment_height, :alt]
      end

      def option_value_attributes
        [:id, :name, :presentation, :option_type_name, :option_type_id, :option_type_presentation]
      end

      def order_attributes
        [:id, :number, :item_total, :total, :ship_total, :state, :adjustment_total, :user_id, :created_at, :updated_at, :completed_at, :payment_total, :shipment_state, :payment_state, :email, :special_instructions, :token, :channel, :currency]
      end

      def line_item_attributes
        [:id, :quantity, :price, :variant_id]
      end

      def option_type_attributes
        [:id, :name, :presentation, :position]
      end

      def payment_attributes
        [:id, :source_type, :source_id, :amount, :display_amount, :payment_method_id, :response_code, :state, :avs_response, :created_at, :updated_at]
      end

      def payment_method_attributes
        [:id, :name, :description]
      end

      def shipment_attributes
        [:id, :tracking, :number, :cost, :shipped_at, :state]
      end

      def taxonomy_attributes
        [:id, :name]
      end

      def taxon_attributes
        [:id, :name, :pretty_name, :permalink, :parent_id, :taxonomy_id]
      end

      def inventory_unit_attributes
        [:id, :lock_version, :state, :variant_id, :shipment_id, :return_authorization_id]
      end

      def return_authorization_attributes
        [:id, :number, :state, :amount, :order_id, :reason, :created_at, :updated_at]
      end

      def address_attributes
        [:id, :firstname, :lastname, :full_name, :address1, :address2, :city, :zipcode, :phone, :company, :alternative_phone, :country_id, :state_id, :state_name]
      end

      def country_attributes
        [:id, :iso_name, :iso, :iso3, :name, :numcode]
      end

      def state_attributes
        [:id, :name, :abbr, :country_id]
      end

      def adjustment_attributes
        [:id, :source_type, :source_id, :adjustable_type, :adjustable_id, :originator_type, :originator_id, :amount, :label, :mandatory, :locked, :eligible,  :created_at, :updated_at]
      end

      def creditcard_attributes
        [:id, :month, :year, :cc_type, :last_digits, :first_name, :last_name, :gateway_customer_profile_id, :gateway_payment_profile_id]
      end

      def user_attributes
        [:id, :email, :created_at, :updated_at]
      end

      def property_attributes
        [:id, :name, :presentation]
      end

      def stock_location_attributes
        [:id, :name, :address1, :address2, :city, :state_id, :state_name, :country_id, :zipcode, :phone, :active]
      end

      def stock_movement_attributes
        [:id, :quantity, :stock_item_id]
      end

      def stock_item_attributes
        [:id, :count_on_hand, :backorderable, :lock_version, :stock_location_id, :variant_id]
      end
    end
  end
end