class ProfilePrivacySettings {
  final String userId;
  final String profileVisibility;
  final String postsVisibility;
  final String savedVisibility;
  final String followRequestPolicy;

  const ProfilePrivacySettings({
    required this.userId,
    required this.profileVisibility,
    required this.postsVisibility,
    required this.savedVisibility,
    required this.followRequestPolicy,
  });

  factory ProfilePrivacySettings.fromJson(Map<String, dynamic> json) {
    return ProfilePrivacySettings(
      userId: json['user_id'] as String,
      profileVisibility: json['profile_visibility'] as String? ?? 'public',
      postsVisibility: json['posts_visibility'] as String? ?? 'public',
      savedVisibility: json['saved_visibility'] as String? ?? 'private',
      followRequestPolicy: json['follow_request_policy'] as String? ?? 'everyone',
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'user_id': userId,
      'profile_visibility': profileVisibility,
      'posts_visibility': postsVisibility,
      'saved_visibility': savedVisibility,
      'follow_request_policy': followRequestPolicy,
    };
  }

  ProfilePrivacySettings copyWith({
    String? profileVisibility,
    String? postsVisibility,
    String? savedVisibility,
    String? followRequestPolicy,
  }) {
    return ProfilePrivacySettings(
      userId: userId,
      profileVisibility: profileVisibility ?? this.profileVisibility,
      postsVisibility: postsVisibility ?? this.postsVisibility,
      savedVisibility: savedVisibility ?? this.savedVisibility,
      followRequestPolicy: followRequestPolicy ?? this.followRequestPolicy,
    );
  }

  static ProfilePrivacySettings defaults(String userId) {
    return ProfilePrivacySettings(
      userId: userId,
      profileVisibility: 'public',
      postsVisibility: 'public',
      savedVisibility: 'private',
      followRequestPolicy: 'everyone',
    );
  }
}