class Chronic::RepeaterSecond < Chronic::Repeater #:nodoc:
  SECOND_SECONDS = 1 # haha, awesome

  def initialize(type)
    super
    @second_start = nil
  end

  def next(pointer = :future)
    super
    
    direction = pointer == :future ? 1 : -1
    
    if !@second_start
      @second_start = @now + (direction * SECOND_SECONDS)
    else
      @second_start += SECOND_SECONDS * direction
    end
    
    Chronic::Span.new(@second_start, @second_start + SECOND_SECONDS)
  end
  
  def this(pointer = :future)
    super
    
    Chronic::Span.new(@now, @now + 1)
  end
  
  def offset(span, amount, pointer)
    direction = pointer == :future ? 1 : -1
    span + direction * amount * SECOND_SECONDS
  end
  
  def width
    SECOND_SECONDS
  end
  
  def to_s
    super << '-second'
  end
end