94 lines
3.0 KiB
Dart
94 lines
3.0 KiB
Dart
// lib/features/devices/domain/services/path_planning_service.dart
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import 'dart:collection';
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import 'package:flutter/cupertino.dart';
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import 'package:get_it/get_it.dart';
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import '../../../core/logging/i_logger_service.dart';
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import '../data/models/device_add_path_point_model.dart';
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class PathPlanningService {
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static final PathPlanningService _instance = PathPlanningService._internal();
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factory PathPlanningService() => _instance;
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PathPlanningService._internal();
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final ILoggerService _logger = GetIt.I<ILoggerService>();
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// 🔥 核心：全局唯一的可变队列
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final Queue<DeviceAddPathPointModel> locationQueue = Queue();
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bool isRunning = false;
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int currentIndex = 0;
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int totalCount = 0;
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/// 🔥 存：生成路径后立即存储
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void updateQueue(List<DeviceAddPathPointModel> locations) {
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debugPrint('进入[PathPlanningService]updateQueue方法尝试更新空队列');
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_logger.logWithLevel('进入[PathPlanningService]updateQueue方法尝试更新空队列');
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if (locations.isEmpty) {
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debugPrint('⚠️ [PathPlanningService] 尝试更新空队列');
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_logger.logWithLevel('⚠️ [PathPlanningService] 尝试更新空队列');
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return;
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}
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locationQueue.clear();
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locationQueue.addAll(locations);
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currentIndex = 0;
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totalCount = locations.length;
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//debugPrint('✅ [PathPlanningService] 队列已更新，共 $totalCount 个点');
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_logger.logWithLevel('✅ [PathPlanningService] 队列已更新，共 $totalCount 个点');
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}
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/// 🔥 取：发送时取出第一个点
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DeviceAddPathPointModel? removeFirst() {
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if (locationQueue.isEmpty) {
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//debugPrint('⚠️ [PathPlanningService] 队列为空');
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_logger.logWithLevel('⚠️ [PathPlanningService] 队列为空');
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return null;
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}
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final point = locationQueue.removeFirst();
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currentIndex++;
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// debugPrint(
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// '📍 [PathPlanningService] 取出第 $currentIndex/$totalCount 个点：'
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// '${point.latitude}, ${point.longitude}',
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// );
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_logger.logWithLevel(
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'📍 [PathPlanningService] 取出第 $currentIndex/$totalCount 个点：'
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'${point.latitude}, ${point.longitude}',
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);
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return point;
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}
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/// 🔥 获取进度
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int get remainingCount => locationQueue.length;
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int get completedCount => currentIndex;
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double get progress => totalCount == 0 ? 0.0 : currentIndex / totalCount;
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bool get isEmpty => locationQueue.isEmpty;
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bool get isNotEmpty => locationQueue.isNotEmpty;
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/// 🔥 清空（作业完成或停止时）
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void clear() {
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locationQueue.clear();
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isRunning = false;
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currentIndex = 0;
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totalCount = 0;
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//debugPrint('🧹 [PathPlanningService] 队列已清空');
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_logger.logWithLevel('🧹 [PathPlanningService] 队列已清空');
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}
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int get length => locationQueue.length;
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/// 获取当前队列（供 Cubit 使用）
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// Queue<DeviceAddPathPointModel> getQueue() {
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// return Queue.of(locationQueue);
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// }
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Queue<DeviceAddPathPointModel> getQueue() {
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return locationQueue; // 直接返回引用
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}
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}
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