/// 钱包信息，来自 /mine/wallet
class WalletModel {
  // ===== 收益 =====
  int? income; //收益金币的整数部分
  double? incomePot; //收益金币的零头，和 income 一起算总收益
  num? vidIncome; //视频收益

  // ===== 余额 =====
  int? amount; //充值金币余额，购买后会被写回
  int? integral; //积分

  // ===== 剩余次数 =====
  int? downloadCount; //视频下载次数
  int? aiUndressFreeTimes; //AI 脱衣免费次数
  int? todayAiFreeTimes; //今日 AI 免费次数

  //字段顺序与上方声明一致，便于比对
  WalletModel.fromJson(Map<String, dynamic>? json) {
    json ??= {};
    income = json['income'];
    //后端可能下发 double / int / 数字字符串，统一按字符串解析。
    //解析不了、或拿到 NaN/Infinity 都留 null 当没零头——balance 的 `~/` 吃到它们会抛 UnsupportedError
    final pot = double.tryParse('${json['incomePot'] ?? 0}');
    incomePot = pot != null && pot.isFinite ? pot : null;
    vidIncome = json['vidIncome'];
    amount = json['amount'];
    integral = json['integral'];
    downloadCount = json['downloadCount'];
    aiUndressFreeTimes = json['aiUndressFreeTimes'];
    todayAiFreeTimes = json['todayAiFreeTimes'];
  }

  //收益总额：先放大 100 倍算再取整，避免 double 直接相加的精度误差
  int get balance => ((income ?? 0) * 100.0 + (incomePot ?? 0) * 100) ~/ 100;
}