class SupportTicket {
  const SupportTicket({
    required this.id,
    required this.userId,
    required this.username,
    required this.category,
    required this.categoryLabel,
    required this.status,
    required this.createdAt,
    required this.updatedAt,
    required this.lastMessageAt,
    required this.lastMessagePreview,
  });

  final String id;
  final int userId;
  final String username;
  final String category;
  final String categoryLabel;
  final String status;
  final DateTime createdAt;
  final DateTime updatedAt;
  final DateTime lastMessageAt;
  final String lastMessagePreview;

  bool get isClosed => status == 'closed';

  String get displayCategory =>
      categoryLabel.isNotEmpty ? categoryLabel : category;

  String get statusLabel => isClosed ? 'Closed' : 'Open';

  factory SupportTicket.fromJson(Map<String, dynamic> json) {
    return SupportTicket(
      id: json['id'] as String,
      userId: (json['userId'] as num).toInt(),
      username: json['username'] as String? ?? '',
      category: json['category'] as String? ?? '',
      categoryLabel: json['categoryLabel'] as String? ?? '',
      status: json['status'] as String? ?? 'open',
      createdAt: DateTime.parse(json['createdAt'] as String),
      updatedAt: DateTime.parse(json['updatedAt'] as String),
      lastMessageAt: DateTime.parse(json['lastMessageAt'] as String),
      lastMessagePreview: json['lastMessagePreview'] as String? ?? '',
    );
  }
}