package com.ruoyi.alarm.global.service.impl;

import com.ruoyi.alarm.global.domain.GuidePriorityQueue;
import com.ruoyi.alarm.global.domain.GuideTask;
import com.ruoyi.common.utils.StringUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.PriorityBlockingQueue;

/**
 * @ClassName QueueManager
 * @Description: 队列管理-----弃用
 * @Author 刘苏义
 * @Date 2023/6/29 21:09
 * @Version 1.0
 */

@Component
@Slf4j(topic = "guideQueue")
public class QueueManager {

   // @Autowired
   // private QueueTaskExecutor taskExecutor;-----弃用
   // private Map<String, TaskThread> threadMap = new ConcurrentHashMap<>();

    ///*内部静态类*/
    //private static class TaskThread {
    //    private Thread thread;
    //    private GuideTask currentTask;
    //
    //    public TaskThread(Thread thread, GuideTask currentTask) {
    //        this.thread = thread;
    //        this.currentTask = currentTask;
    //    }
    //
    //    public Thread getThread() {
    //        return thread;
    //    }
    //
    //    public GuideTask getCurrentTask() {
    //        return currentTask;
    //    }
    //
    //    public void setCurrentTask(GuideTask task) {
    //        this.currentTask = task;
    //    }
    //}

    /**
     * 引导任务入队
     * 刘苏义
     * 2023/6/30 8:57
     */
    public void addTaskToQueue(String cameraId, GuideTask task) {
        /*通过相机ID获取引导队列，并将引导任务加入队列*/
        PriorityBlockingQueue<GuideTask> guideTaskQueue = GuidePriorityQueue.cameraQueueMap.get(cameraId);
        if (StringUtils.isNull(guideTaskQueue)) {
            log.info("相机未登录,没有队列,无法入队引导");
            return;
        }
        log.debug("新任务入队:" + task.getAlarmId());
        guideTaskQueue.add(task);
        /*获取该相机的当前执行线程-----弃用*/
        //TaskThread currentTaskThread = threadMap.get(cameraId);
        ////如果队列当前线程正在运行，若入队任务优先级大于当前任务优先级，则终止当前线程
        //if (currentTaskThread != null){
        //    if (task.getPriority() > currentTaskThread.getCurrentTask().getPriority()) {
        //        currentTaskThread.getThread().interrupt();
        //    }
        //    if (!currentTaskThread.getThread().isAlive()) {
        //        Thread newThread = createThread(cameraId, guideTaskQueue);
        //        threadMap.put(cameraId, new TaskThread(newThread, task));
        //        newThread.start();
        //    }
        //}
        ////如果队列当前没有线程正在运行，则启动新线程
        //else {
        //    Thread newThread = createThread(cameraId, guideTaskQueue);
        //    threadMap.put(cameraId, new TaskThread(newThread, task));
        //    newThread.start();
        //}
    }

    /**
     * 创建线程 -----弃用
     * 刘苏义
     * 2023/6/30 9:04
     */
    //private Thread createThread(String queueName, PriorityBlockingQueue<GuideTask> queue) {
    //
    //    return new Thread(() -> {
    //        while (!Thread.currentThread().isInterrupted()) {
    //            try {
    //                GuideTask task = queue.take();
    //                log.debug("取出队列数据:" + task.getAlarmId());
    //                taskExecutor.processTask(task);
    //                // 更新线程的当前任务
    //                TaskThread currentTaskThread = threadMap.get(queueName);
    //                if (currentTaskThread != null) {
    //                    currentTaskThread.setCurrentTask(task);
    //                }
    //            } catch (InterruptedException e) {
    //                log.info("中断当前线程");
    //                //线程中断，退出循环
    //                Thread.currentThread().interrupt();
    //            }
    //        }
    //    }, queueName);
    //}
}