// 功能描述：用户收货地址模型，列表脱敏展示、编辑使用本人完整数据。
// 版本：1.0.0。
class ShippingAddress {
  const ShippingAddress({
    this.identity = '',
    required this.address,
    required this.contactName,
    required this.contactPhone,
    this.longitude = '',
    this.latitude = '',
    this.isDefault = false,
  });
  final String identity, address, contactName, contactPhone, longitude, latitude;
  final bool isDefault;

  /// 从兼容地址响应读取字段；历史空联系人在编辑时要求补齐。
  factory ShippingAddress.fromJson(Map<String, Object?> json) => ShippingAddress(
    identity: json['identity'] as String? ?? '',
    address: json['address'] as String? ?? '',
    contactName: json['contact_name'] as String? ?? '',
    contactPhone: json['contact_phone'] as String? ?? '',
    longitude: json['longitude'] as String? ?? '',
    latitude: json['latitude'] as String? ?? '',
    isDefault: json['is_default'] == true,
  );

  String get maskedPhone => contactPhone.length == 11
      ? '${contactPhone.substring(0, 3)}****${contactPhone.substring(7)}'
      : contactPhone;

  /// 保存地址的完整字段；不接收内部账户编号。
  Map<String, Object?> toJson() => {
    'address': address,
    'contact_name': contactName,
    'contact_phone': contactPhone,
    'longitude': longitude,
    'latitude': latitude,
    'is_default': isDefault,
  };
}