info_tren/lib/utils/state_to_string.dart

import 'package:info_tren/models.dart';

String stateToString(TrainDataState state) => switch (state) {
      TrainDataState.passing => 'trecere fără oprire',
      TrainDataState.arrival => 'sosire',
      TrainDataState.departure => 'plecare',
    };