switchTimer method

Implementation

void switchTimer({bool stop = false}) {
  _timer?.cancel();

  if (stop) {
    _stopwatchWhite.stop();
    _stopwatchBlack.stop();
    return;
  }

  void startPlayerTimer(
    Stopwatch stopwatch,
    Stopwatch otherStopwatch,
    StreamController<int> controller,
    int Function() remainingTime,
  ) {
    stopwatch.start();
    otherStopwatch.stop();

    _timer = Timer.periodic(Duration(milliseconds: 100), (_) {
      final timeLeft = remainingTime();
      if (timeLeft <= 0) {
        controller.add(0);
        _timer?.cancel();
        stopwatch.stop();
        if (onTimeOut != null) {
          switchTimer(stop: true);
          onTimeOut!();
        }
      } else {
        controller.add(timeLeft);
      }
    });
  }

  if (turn == PieceColor.white) {
    startPlayerTimer(
      _stopwatchWhite,
      _stopwatchBlack,
      _whiteTimeController,
      () => _whiteRemainingTime,
    );
  } else if (turn == PieceColor.black) {
    startPlayerTimer(
      _stopwatchBlack,
      _stopwatchWhite,
      _blackTimeController,
      () => _blackRemainingTime,
    );
  }
}