import 'package:equatable/equatable.dart';

enum OrderType { buy, sell }
enum OrderStatus { pending, partial, filled, cancelled }

class TradeOrder extends Equatable {
  /// 订单ID
  final String id;
  /// 订单号
  final String orderNo;
  /// 订单类型
  final OrderType orderType;
  /// 订单状态
  final OrderStatus status;
  /// 价格
  final String price;
  /// 数量
  final String quantity;
  /// 已成交数量
  final String filledQuantity;
  /// 剩余数量
  final String remainingQuantity;
  /// 平均成交价格
  final String averagePrice;
  /// 总金额
  final String totalAmount;
  /// 创建时间
  final DateTime createdAt;
  /// 完成时间
  final DateTime? completedAt;
  /// 取消时间
  final DateTime? cancelledAt;

  const TradeOrder({
    required this.id,
    required this.orderNo,
    required this.orderType,
    required this.status,
    required this.price,
    required this.quantity,
    required this.filledQuantity,
    required this.remainingQuantity,
    required this.averagePrice,
    required this.totalAmount,
    required this.createdAt,
    this.completedAt,
    this.cancelledAt,
  });

  bool get isBuy => orderType == OrderType.buy;
  bool get isSell => orderType == OrderType.sell;
  bool get isPending => status == OrderStatus.pending;
  bool get isPartial => status == OrderStatus.partial;
  bool get isFilled => status == OrderStatus.filled;
  bool get isCancelled => status == OrderStatus.cancelled;

  /// 成交进度百分比
  double get fillProgress {
    final qty = double.tryParse(quantity) ?? 0;
    final filled = double.tryParse(filledQuantity) ?? 0;
    if (qty == 0) return 0;
    return filled / qty;
  }

  @override
  List<Object?> get props => [id, orderNo, orderType, status, price, quantity];
}