class Timetable

# File lib/va_timetable/timetable.rb, line 12
def initialize(club)
  @club = club.to_s
end

# File lib/va_timetable/timetable.rb, line 16
def classes
  @workouts ||= fetch_classes
end

# File lib/va_timetable/timetable.rb, line 50
def compose_time(date, hour, min)
  current = Time.now
  year = current.year
  month = current.month
  day = current.day
  if date < day
    month += 1
    if month > 12
      year += 1
      month = 1
    end
  end
  Time.new(year, month, date, hour, min, 0)
end

# File lib/va_timetable/timetable.rb, line 22
def fetch_classes
  workouts = []
  page = Nokogiri::HTML(first_responsive_url)
  page.css('div[id^=timetable_]').each do |t|
    date = t.css('.date')[0].text.to_i
    t.css('table .classname').each do |c|
      name = c.text
      cells = c.parent.parent.css('td')
      start = compose_time(date, *cells[0].text.split(':'))
      finish = compose_time(date, *cells[1].text.split(':'))
      booking = cells[5].text != '-'
      workouts << Workout.new(club.capitalize, name, start, finish, booking)
    end
  end
  workouts
end

# File lib/va_timetable/timetable.rb, line 39
def first_responsive_url
  url_list = URL_CANDIDATES.map {|c| c % {club: club}}
  url_list.detect do |url|
    begin
      break open(url)
    rescue
      false
    end
  end
end