import 'package:equatable/equatable.dart';

class DeviceRunStatisticsEntity extends Equatable {
  final String startTime; // 开始时间
  final String endTime;   // 结束时间
  final double workArea;  // 工作面积
  final double? distance; // 工作距离（可为空）
  final int time;         // 花费时间

  const DeviceRunStatisticsEntity({
    required this.startTime,
    required this.endTime,
    required this.workArea,
    this.distance,
    required this.time,
  });

  factory DeviceRunStatisticsEntity.fromJson(Map<String, dynamic> json) {
    return DeviceRunStatisticsEntity(
      startTime: json['startTime'] as String,
      endTime: json['endTime'] as String,
      workArea: (json['workArea'] as num).toDouble(),
      distance: json['distance'] != null ? (json['distance'] as num).toDouble() : null,
      time: json['time'] as int,
    );
  }

  @override
  List<Object?> get props => [startTime, endTime, workArea, distance, time];
}