/// Zeitfenster mit Postleitzahl für das Setzen der BWV-Location.
class BwvTimeWindow {
  final int fromUtc;
  final int toUtc;
  final String postalCode;

  BwvTimeWindow({
    required this.fromUtc,
    required this.toUtc,
    required this.postalCode,
  });

  Map<String, dynamic> toJson() => {
        'fromUtc': fromUtc,
        'toUtc': toUtc,
        'postalCode': postalCode,
      };
}

/// Payload für das Topic `set_bwv_location`.
class SetBwvLocationMessage {
  final int timestamp;
  final BwvTimeWindow? availabilityStart;
  final BwvTimeWindow? bwvLocationPreference;

  SetBwvLocationMessage({
    required this.timestamp,
    this.availabilityStart,
    this.bwvLocationPreference,
  });

  Map<String, dynamic> toJson() {
    final map = <String, dynamic>{'timestamp': timestamp};

    if (availabilityStart != null) {
      map['availabilityStart'] = availabilityStart!.toJson();
    }
    if (bwvLocationPreference != null) {
      map['bwvLocationPreference'] = bwvLocationPreference!.toJson();
    }

    return map;
  }
}