module FosdemRecorder
  class Duration
    getter start : Time 
    getter stop : Time

    def initialize(@start, @stop)
    end

    def from_now()
      Duration.new(start: Time.local, stop: self.stop)
    end

    def value()
      duration = (self.stop - self.start).to_i
    end

    def past?
      Time.local > self.stop
    end

    def future?
      Time.local < self.start
    end

    def present?
      (Time.local >= self.start) && (Time.local <= self.stop)
    end

    def to_s()
      duration = self.value / 3600
      duration_h = duration.to_i
      duration_m = ((duration - duration_h) * 60 + 1).to_i
      duration_str = sprintf("%02d:%02d:00", { duration_h, duration_m })
    end
  end
end