module Lipseys
  class Inventory < Base

    API_URL = 'https://www.lipseys.com/API/pricequantitycatalog.ashx'


    def initialize(options = {})
      requires!(options, :email, :password)
      @email = options[:email]
      @password = options[:password]
    end


    def self.all(options = {})
      new(options).all
    end

    def all
      get_items
    end

    def self.firearms(options = {})
      new(options).firearms
    end

    def firearms
      get_items('FIREARM')
    end

    def self.nfa(options = {})
      new(options).nfa
    end

    def nfa
      get_items('NFA')
    end

    def self.optics(options = {})
      new(options).optics
    end

    def optics
      get_items('OPTIC')
    end

    def self.accessories(options = {})
      new(options).accessories
    end

    def accessories
      get_items('ACCESSORY')
    end

    private

    def get_items(item_type = nil)
      params = { email: @email, pass: @password }
      params[:itemtype] = item_type unless item_type.nil?

      xml_doc = get_response_xml(API_URL, params)

      items = []

      xml_doc.css('LipseysInventoryPricing/Item').each do |item|
        items << {
          item_number: content_for(item, 'ItemNo'),
          upc: content_for(item, 'UPC'),
          manufacturer_model_number: content_for(item, 'MFGModelNo'),
          quantity_on_hand: content_for(item, 'QtyOnHand'),
          allocation: (content_for(item, 'Allocation') == 'Y'),
          price: content_for(item, 'Price'),
          on_sale: (content_for(item, 'OnSale') == 'Y'),
          retail_map: content_for(item, 'RetailMAP')
        }
      end

      items
    end

  end
end