/// 交易订单模型
class OrderTrade {
  final int id;
  final String orderNo;
  final int userId;
  final String coinCode;
  final int direction; // 1=买入, 2=卖出
  final String price;
  final String quantity;
  final String amount;
  final int status; // 1=待处理, 2=已完成, 3=已取消
  final DateTime? createTime;
  final DateTime? updateTime;

  OrderTrade({
    required this.id,
    required this.orderNo,
    required this.userId,
    required this.coinCode,
    required this.direction,
    required this.price,
    required this.quantity,
    required this.amount,
    required this.status,
    this.createTime,
    this.updateTime,
  });

  factory OrderTrade.fromJson(Map<String, dynamic> json) {
    return OrderTrade(
      id: json['id'] as int? ?? 0,
      orderNo: json['orderNo'] as String? ?? '',
      userId: json['userId'] as int? ?? 0,
      coinCode: json['coinCode'] as String? ?? '',
      direction: json['direction'] as int? ?? 1,
      price: json['price']?.toString() ?? '0.00',
      quantity: json['quantity']?.toString() ?? '0',
      amount: json['amount']?.toString() ?? '0.00',
      status: json['status'] as int? ?? 1,
      createTime: json['createTime'] != null
          ? DateTime.tryParse(json['createTime'])
          : null,
      updateTime: json['updateTime'] != null
          ? DateTime.tryParse(json['updateTime'])
          : null,
    );
  }

  /// 方向文字
  String get directionText => direction == 1 ? '买入' : '卖出';

  /// 状态文字
  String get statusText {
    switch (status) {
      case 1:
        return '待处理';
      case 2:
        return '已完成';
      case 3:
        return '已取消';
      default:
        return '未知';
    }
  }

  /// 是否为买入
  bool get isBuy => direction == 1;
}

/// 充提订单模型
class OrderFund {
  final int id;
  final String orderNo;
  final int userId;
  final int orderType; // 1=充值, 2=提现
  final String amount;
  final int status; // 1=待审核, 2=已通过, 3=已拒绝, 4=已取消
  final String remark;
  final String? auditRemark;
  final DateTime? createTime;
  final DateTime? auditTime;

  OrderFund({
    required this.id,
    required this.orderNo,
    required this.userId,
    required this.orderType,
    required this.amount,
    required this.status,
    required this.remark,
    this.auditRemark,
    this.createTime,
    this.auditTime,
  });

  factory OrderFund.fromJson(Map<String, dynamic> json) {
    return OrderFund(
      id: json['id'] as int? ?? 0,
      orderNo: json['orderNo'] as String? ?? '',
      userId: json['userId'] as int? ?? 0,
      orderType: json['orderType'] as int? ?? 1,
      amount: json['amount']?.toString() ?? '0.00',
      status: json['status'] as int? ?? 1,
      remark: json['remark']?.toString() ?? '',
      auditRemark: json['auditRemark']?.toString(),
      createTime: json['createTime'] != null
          ? DateTime.tryParse(json['createTime'])
          : null,
      auditTime: json['auditTime'] != null
          ? DateTime.tryParse(json['auditTime'])
          : null,
    );
  }

  /// 订单类型文字
  String get orderTypeText => orderType == 1 ? '充值' : '提现';

  /// 状态文字
  String get statusText {
    switch (status) {
      case 1:
        return '待审核';
      case 2:
        return '已通过';
      case 3:
        return '已拒绝';
      case 4:
        return '已取消';
      default:
        return '未知';
    }
  }

  /// 是否为充值
  bool get isDeposit => orderType == 1;

  /// 是否可取消
  bool get canCancel => status == 1;
}