enum Stand {
  stand1(point: "P1", message: "1号拣选站台"),
  stand2(point: "P2", message: "2号拣选站台"),
  stand3(point: "P3", message: "3号拣选站台"),
  stand4(point: "R1", message: "1号入库站台");

  final String point;
  final String message;

  const Stand({required this.point, required this.message});

  static Stand? getStandByCode(String point) {
    return Stand.values.firstWhere(
      (stand) => stand.point == point,
      orElse: () => throw Exception('未找到对应的站台'),
    );
  }

  static Stand? getStandByMessage(String message) {
    return Stand.values.firstWhere(
      (stand) => stand.message == message,
      orElse: () => throw Exception('未找到对应的站台'),
    );
  }
}