class User {
  final int? id;
  final int companyId;
  final int? branchId; // 지점 ID
  final String name;
  final String role; // 관리등급: S(관리자), M(멤버)
  final String? position; // 직급
  final String? email; // 이메일
  final List<Map<String, String>> phoneNumbers; // 전화번호 목록 (유형과 번호)
  final String? username; // 사용자명 (API 연동용)
  final bool isActive; // 활성화 상태
  final DateTime? createdAt; // 생성일
  final DateTime? updatedAt; // 수정일

  User({
    this.id,
    required this.companyId,
    this.branchId,
    required this.name,
    required this.role,
    this.position,
    this.email,
    this.phoneNumbers = const [],
    this.username,
    this.isActive = true,
    this.createdAt,
    this.updatedAt,
  });

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'companyId': companyId,
      'branchId': branchId,
      'name': name,
      'role': role,
      'position': position,
      'email': email,
      'phoneNumbers': phoneNumbers,
      'username': username,
      'isActive': isActive,
      'createdAt': createdAt?.toIso8601String(),
      'updatedAt': updatedAt?.toIso8601String(),
    };
  }

  factory User.fromJson(Map<String, dynamic> json) {
    return User(
      id: json['id'],
      companyId: json['companyId'],
      branchId: json['branchId'],
      name: json['name'],
      role: json['role'],
      position: json['position'],
      email: json['email'],
      phoneNumbers:
          json['phoneNumbers'] != null
              ? List<Map<String, String>>.from(json['phoneNumbers'])
              : [],
      username: json['username'],
      isActive: json['isActive'] ?? true,
      createdAt: json['createdAt'] != null
          ? DateTime.parse(json['createdAt'])
          : null,
      updatedAt: json['updatedAt'] != null
          ? DateTime.parse(json['updatedAt'])
          : null,
    );
  }

  User copyWith({
    int? id,
    int? companyId,
    int? branchId,
    String? name,
    String? role,
    String? position,
    String? email,
    List<Map<String, String>>? phoneNumbers,
    String? username,
    bool? isActive,
    DateTime? createdAt,
    DateTime? updatedAt,
  }) {
    return User(
      id: id ?? this.id,
      companyId: companyId ?? this.companyId,
      branchId: branchId ?? this.branchId,
      name: name ?? this.name,
      role: role ?? this.role,
      position: position ?? this.position,
      email: email ?? this.email,
      phoneNumbers: phoneNumbers ?? this.phoneNumbers,
      username: username ?? this.username,
      isActive: isActive ?? this.isActive,
      createdAt: createdAt ?? this.createdAt,
      updatedAt: updatedAt ?? this.updatedAt,
    );
  }
}