module TokuSub

# File lib/tokusub.rb, line 6
def get(weekday)
  get_index[weekday.to_sym]
end

# File lib/tokusub.rb, line 16
def get_index
  # get tokusub page
  tokusub_page = Nokogiri::HTML(open('http://www.subway.co.jp/campaign/tokusub/'))
  h = Hash::new

  # index tokusubs
  tokusub_page.css('li a img').each do |img|
    if img['src'] =~ /^images\/top_menu0/ then
      case img['src']
      when 'images/top_menu01.jpg'
        h.store(:mon, img['alt'])
      when 'images/top_menu02.jpg'
        h.store(:tue, img['alt'])
      when 'images/top_menu03.jpg'
        h.store(:wed, img['alt'])
      when 'images/top_menu04.jpg'
        h.store(:thu, img['alt'])
      when 'images/top_menu05.jpg'
        h.store(:fri, img['alt'])
      when 'images/top_menu06.jpg'
        h.store(:sat, img['alt'])
      when 'images/top_menu07.jpg'
        h.store(:sun, img['alt'])
      end
    end
  end

  h
end