// lib/features/devices/data/models/route_plan_send_entity.dart
import 'dart:typed_data'; // ✅ 必须添加

class RoutePlanSendEntity {
  final int commandType;
  final int pointCounts;
  final double targetLatitude;
  final double targetLongitude;
  final int speed;

  RoutePlanSendEntity({
    required this.commandType,
    required this.pointCounts,
    required this.targetLatitude,
    required this.targetLongitude,
    required this.speed,
  });


  List<int> toBytes() {
    final bytes = <int>[];
    bytes.add(commandType);
    bytes.addAll(_shortToBytes(pointCounts));
    bytes.addAll(_doubleToBytes(targetLatitude));
    bytes.addAll(_doubleToBytes(targetLongitude));
    bytes.addAll(_shortToBytes(speed));
    return bytes;
  }

  List<int> _shortToBytes(int value) {
    return [(value >> 8) & 0xFF, value & 0xFF];
  }

  List<int> _doubleToBytes(double value) {
    final byteData = ByteData(8)..setFloat64(0, value);
    return byteData.buffer.asUint8List();
  }
}