require 'kosher'
require 'barnie/helpers'

module Barnie
  class Response
    include Helpers

    attr_accessor :page

    def initialize(page)
      self.page = page
    end

    def snapshots
      raise Error.new('Blank page') if page.body == '' && page.code == 200

      container = page.search('#prod-container')
      container.map do |html|

        price = extract_price(html.search('.price strong').text)
        hours = extract_ships_in(html.search('.availability').text) || 999
        title = title(html)
        link  = extract_link(title)
        isbn  = extract_isbn(link)

        Kosher::Snapshot.new(
          'bn.com',
          isbn,
          nil,
          nil,
          price > 0 ? 1 : 0,
          price > 0 ?
            [Kosher::Offer.new(
              nil,
              Kosher::Item.new(price, 'USD', 1, Kosher::Condition.new(1), Kosher::Description.new('')),
              Kosher::Seller.new(nil, 'Barnes & Noble.com', nil, Kosher::Location.new('US')),
              Kosher::Shipping.new(0, 'USD', Kosher::Availability.new(hours))
            )] :
            [])
      end
    end
  end
end