extension DurationExtension on Duration {
  /// Returns clamp of [Duration] between [min] and [max].
  Duration clamp(Duration min, Duration max) {
    if (this < min) return min;
    if (this > max) return max;
    return this;
  }

  /// Returns a [String] representation of [Duration].
  String label({Duration? reference}) {
    reference ??= this;
    if (reference > const Duration(days: 1)) {
      final days = inDays.toString().padLeft(3, '0');
      final hours = (inHours - (inDays * 24)).toString().padLeft(2, '0');
      final minutes = (inMinutes - (inHours * 60)).toString().padLeft(2, '0');
      final seconds = (inSeconds - (inMinutes * 60)).toString().padLeft(2, '0');
      return '$days:$hours:$minutes:$seconds';
    } else if (reference > const Duration(hours: 1)) {
      final hours = inHours.toString().padLeft(2, '0');
      final minutes = (inMinutes - (inHours * 60)).toString().padLeft(2, '0');
      final seconds = (inSeconds - (inMinutes * 60)).toString().padLeft(2, '0');
      return '$hours:$minutes:$seconds';
    } else {
      final minutes = inMinutes.toString().padLeft(2, '0');
      final seconds = (inSeconds - (inMinutes * 60)).toString().padLeft(2, '0');
      return '$minutes:$seconds';
    }
  }
}