class Chronic::RepeaterDay

def initialize(type, options = {})
  super
  @current_day_start = nil
end

def next(pointer)
  super
  unless @current_day_start
    @current_day_start = Chronic.time_class.local(@now.year, @now.month, @now.day)
  end
  direction = pointer == :future ? 1 : -1
  @current_day_start += direction * DAY_SECONDS
  Span.new(@current_day_start, @current_day_start + DAY_SECONDS)
end

def offset(span, amount, pointer)
  direction = pointer == :future ? 1 : -1
  span + direction * amount * DAY_SECONDS
end

def this(pointer = :future)
  super
  case pointer
  when :future
    day_begin = Chronic.construct(@now.year, @now.month, @now.day, @now.hour)
    day_end = Chronic.construct(@now.year, @now.month, @now.day) + DAY_SECONDS
  when :past
    day_begin = Chronic.construct(@now.year, @now.month, @now.day)
    day_end = Chronic.construct(@now.year, @now.month, @now.day, @now.hour)
  when :none
    day_begin = Chronic.construct(@now.year, @now.month, @now.day)
    day_end = Chronic.construct(@now.year, @now.month, @now.day) + DAY_SECONDS
  end
  Span.new(day_begin, day_end)
end

def to_s
  super << '-day'
end

def width
  DAY_SECONDS
end