import '../utils/app_time.dart';

class Announcement {
  Announcement({
    required this.id,
    required this.authorId,
    required this.title,
    required this.body,
    required this.visibleRoles,
    required this.isTemplate,
    this.templateId,
    required this.createdAt,
    required this.updatedAt,
  });

  final String id;
  final String authorId;
  final String title;
  final String body;
  final List<String> visibleRoles;
  final bool isTemplate;
  final String? templateId;
  final DateTime createdAt;
  final DateTime updatedAt;

  @override
  bool operator ==(Object other) =>
      identical(this, other) ||
      other is Announcement &&
          runtimeType == other.runtimeType &&
          id == other.id &&
          authorId == other.authorId &&
          title == other.title &&
          body == other.body &&
          isTemplate == other.isTemplate &&
          templateId == other.templateId &&
          createdAt == other.createdAt &&
          updatedAt == other.updatedAt;

  @override
  int get hashCode => Object.hash(
        id,
        authorId,
        title,
        body,
        isTemplate,
        templateId,
        createdAt,
        updatedAt,
      );

  factory Announcement.fromMap(Map<String, dynamic> map) {
    final rolesRaw = map['visible_roles'];
    final roles = rolesRaw is List
        ? rolesRaw.cast<String>()
        : <String>[];

    return Announcement(
      id: map['id'] as String,
      authorId: map['author_id'] as String,
      title: map['title'] as String? ?? '',
      body: map['body'] as String? ?? '',
      visibleRoles: roles,
      isTemplate: map['is_template'] as bool? ?? false,
      templateId: map['template_id'] as String?,
      createdAt: AppTime.parse(map['created_at'] as String),
      updatedAt: AppTime.parse(map['updated_at'] as String),
    );
  }
}