/// Real User Profile Model (Student / Guardian / Teacher)
class UserModel {
  final int id;
  final String uuid;
  final String name;
  final String phone;
  final String role;
  final String? nationalId;
  final String? gradeLevel;
  final String? stream;
  final double? readinessScore;
  final int? schoolId;
  final bool isCompleted;

  UserModel({
    required this.id,
    required this.uuid,
    required this.name,
    required this.phone,
    required this.role,
    this.nationalId,
    this.gradeLevel,
    this.stream,
    this.readinessScore,
    this.schoolId,
    this.isCompleted = true,
  });

  factory UserModel.fromJson(Map<String, dynamic> json) {
    return UserModel(
      id: json['id'] is int ? json['id'] : int.tryParse(json['id']?.toString() ?? '0') ?? 0,
      uuid: json['uuid']?.toString() ?? '',
      name: json['name']?.toString() ?? json['full_name']?.toString() ?? 'مستخدم صَقِل',
      phone: json['phone']?.toString() ?? '',
      role: json['role']?.toString() ?? 'student',
      nationalId: json['national_id']?.toString(),
      gradeLevel: json['grade_level']?.toString(),
      stream: json['stream']?.toString(),
      readinessScore: json['readiness_score'] != null
          ? double.tryParse(json['readiness_score'].toString())
          : null,
      schoolId: json['school_id'] != null
          ? int.tryParse(json['school_id'].toString())
          : null,
      isCompleted: json['is_completed'] ?? true,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'uuid': uuid,
      'name': name,
      'phone': phone,
      'role': role,
      'national_id': nationalId,
      'grade_level': gradeLevel,
      'stream': stream,
      'readiness_score': readinessScore,
      'school_id': schoolId,
      'is_completed': isCompleted,
    };
  }

  bool get isStudent => role == 'student';
  bool get isGuardian => role == 'guardian';
}