enum CalendarEventStatus { active, archived }

class CalendarEvent {
  final String id;
  final String title;
  final DateTime startAt;
  final DateTime? endAt;
  final CalendarEventStatus status;

  const CalendarEvent({
    required this.id,
    required this.title,
    required this.startAt,
    required this.endAt,
    required this.status,
  });

  factory CalendarEvent.fromJson(Map<String, dynamic> json) {
    return CalendarEvent(
      id: json['id'] as String,
      title: json['title'] as String,
      startAt: DateTime.parse(json['start_at'] as String).toLocal(),
      endAt: json['end_at'] == null
          ? null
          : DateTime.parse(json['end_at'] as String).toLocal(),
      status: _calendarEventStatusFromApi(json['status'] as String),
    );
  }
}

CalendarEventStatus _calendarEventStatusFromApi(String raw) {
  switch (raw) {
    case 'active':
      return CalendarEventStatus.active;
    case 'archived':
      return CalendarEventStatus.archived;
    default:
      throw StateError('Unsupported calendar event status: $raw');
  }
}