ttstd_family_care/lib/features/device/domain/device_models.dart

/// 设备相关领域实体（家属端对接 client 接口）。
///
/// 以不可变类表达，避免 UI / 仓库直接依赖后台 DTO 结构。
/// 因未运行 build_runner（避免改动依赖与生成产物），此处手写等价实现：
/// 所有字段 final、提供 const 构造与 copyWith，并手动实现 JSON 转换。

/// 设备简要信息（「我的设备」列表）。
class DeviceBrief {
  const DeviceBrief({
    required this.serialno,
    this.snName,
    this.snModel,
    this.snMobile,
    this.status,
    this.activateTime,
  });

  final String serialno;
  final String? snName;
  final String? snModel;
  final String? snMobile;
  final int? status;
  final String? activateTime;

  factory DeviceBrief.fromJson(Map<String, dynamic> json) => DeviceBrief(
        serialno: json['serialno'] as String,
        snName: json['snName'] as String?,
        snModel: json['snModel'] as String?,
        snMobile: json['snMobile'] as String?,
        status: _toInt(json['status']),
        activateTime: json['activateTime']?.toString(),
      );
}

/// 设备基本信息（系统信息面板）。
class DeviceSystemInfo {
  const DeviceSystemInfo({
    this.serialno,
    this.deviceName,
    this.deviceBrand,
    this.deviceModel,
    this.androidVersion,
    this.releaseVersion,
    this.screenResolution,
    this.osType,
    this.osVersion,
    this.firmwareVersion,
  });

  final String? serialno;
  final String? deviceName;
  final String? deviceBrand;
  final String? deviceModel;
  final String? androidVersion;
  final String? releaseVersion;
  final String? screenResolution;
  final String? osType;
  final String? osVersion;
  final String? firmwareVersion;

  factory DeviceSystemInfo.fromJson(Map<String, dynamic> json) => DeviceSystemInfo(
        serialno: json['serialno'] as String?,
        deviceName: json['deviceName'] as String?,
        deviceBrand: json['deviceBrand'] as String?,
        deviceModel: json['deviceModel'] as String?,
        androidVersion: json['androidVersion'] as String?,
        releaseVersion: json['releaseVersion'] as String?,
        screenResolution: json['screenResolution'] as String?,
        osType: json['osType'] as String?,
        osVersion: json['osVersion'] as String?,
        firmwareVersion: json['firmwareVersion'] as String?,
      );
}

/// 设备定位信息。
class DeviceLocation {
  const DeviceLocation({
    this.sn,
    this.country,
    this.province,
    this.city,
    this.district,
    this.street,
    this.address,
    this.locationDescribe,
    this.longitude,
    this.latitude,
    this.lastSuccessfulTime,
  });

  final String? sn;
  final String? country;
  final String? province;
  final String? city;
  final String? district;
  final String? street;
  final String? address;
  final String? locationDescribe;
  final String? longitude;
  final String? latitude;
  final String? lastSuccessfulTime;

  factory DeviceLocation.fromJson(Map<String, dynamic> json) => DeviceLocation(
        sn: json['sn'] as String?,
        country: json['country'] as String?,
        province: json['province'] as String?,
        city: json['city'] as String?,
        district: json['district'] as String?,
        street: json['street'] as String?,
        address: json['address'] as String?,
        locationDescribe: json['locationDescribe'] as String?,
        longitude: _toDoubleString(json['longitude']),
        latitude: _toDoubleString(json['latitude']),
        lastSuccessfulTime: json['lastSuccessfulTime']?.toString(),
      );

  /// 拼接展示用地址：省+市+区+街道+详细地址。
  String get displayAddress {
    final parts = [
      province,
      city,
      district,
      street,
      address,
    ].where((e) => e != null && e.isNotEmpty);
    return parts.join('');
  }
}

/// 设备已安装应用信息。
class DeviceApkInfo {
  const DeviceApkInfo({
    required this.packageName,
    this.appName,
    this.versionName,
    this.versionCode,
    this.installTime,
    this.lastUpdateTime,
    this.apkSize,
    this.systemApp = false,
    this.iconUrl,
  });

  final String packageName;
  final String? appName;
  final String? versionName;
  final int? versionCode;
  final String? installTime;
  final String? lastUpdateTime;
  final int? apkSize;
  final bool systemApp;
  final String? iconUrl;

  factory DeviceApkInfo.fromJson(Map<String, dynamic> json) => DeviceApkInfo(
        packageName: json['packageName'] as String,
        appName: json['appName'] as String?,
        versionName: json['versionName'] as String?,
        versionCode: _toInt(json['versionCode']),
        installTime: json['installTime']?.toString(),
        lastUpdateTime: json['lastUpdateTime']?.toString(),
        apkSize: _toInt(json['apkSize']),
        systemApp: json['systemApp'] as bool? ?? false,
        iconUrl: json['iconUrl'] as String?,
      );
}

/// 设备截图实体（与后台 SnScreenshot 对齐）。
class SnScreenshot {
  const SnScreenshot({
    this.id,
    this.sn,
    this.fileName,
    this.filePath,
    this.fileSize,
    this.fileMd5,
    this.fileSha1,
    this.fileSha256,
    this.uploadTime,
  });

  final int? id;
  final String? sn;
  final String? fileName;
  final String? filePath;
  final int? fileSize;
  final String? fileMd5;
  final String? fileSha1;
  final String? fileSha256;
  final String? uploadTime;

  factory SnScreenshot.fromJson(Map<String, dynamic> json) => SnScreenshot(
        id: _toInt(json['id']),
        sn: json['sn'] as String?,
        fileName: json['fileName'] as String?,
        filePath: json['filePath'] as String?,
        fileSize: _toInt(json['fileSize']),
        fileMd5: json['fileMd5'] as String?,
        fileSha1: json['fileSha1'] as String?,
        fileSha256: json['fileSha256'] as String?,
        uploadTime: json['uploadTime']?.toString(),
      );
}

/// 设备截图视图对象（与后台 ScreenshotVO 对齐）。
class ScreenshotVO {
  const ScreenshotVO({
    this.id,
    this.sn,
    this.fileName,
    this.fileSize,
    this.url,
    this.uploadTime,
  });

  final int? id;
  final String? sn;
  final String? fileName;
  final int? fileSize;
  final String? url;
  final String? uploadTime;

  factory ScreenshotVO.fromJson(Map<String, dynamic> json) => ScreenshotVO(
        id: _toInt(json['id']),
        sn: json['sn'] as String?,
        fileName: json['fileName'] as String?,
        fileSize: _toInt(json['fileSize']),
        url: json['url'] as String?,
        uploadTime: json['uploadTime']?.toString(),
      );
}

/// 容错整型解析：后台可能以字符串（如 "123"）或数字返回整型字段，
/// 直接用 `as int?` 在字符串场景下会抛出
/// `type 'String' is not a subtype of type 'int'`，故统一在此转换。
int? _toInt(dynamic value) {
  if (value == null) return null;
  if (value is int) return value;
  if (value is num) return value.toInt();
  if (value is String) return int.tryParse(value);
  return null;
}

/// 容错浮点解析（用于经纬度等带小数的字段），返回字符串形式便于上层 `double.tryParse`。
///
/// 经纬度必须保留小数精度：
/// - 后台若以数字（如 `116.404`）返回，直接截断成整数会偏移数公里；
/// - 后台若以字符串（如 `"39.915"`）返回，`int.tryParse` 会解析失败变成 null。
String? _toDoubleString(dynamic value) {
  if (value == null) return null;
  if (value is num) return value.toString();
  if (value is String) {
    final parsed = double.tryParse(value);
    return parsed?.toString();
  }
  return null;
}