package com.ruoyi.alarm.globalAlarm.domain;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;
import java.util.concurrent.PriorityBlockingQueue;

/**
 * @Description: 引导优先级队列
 * @ClassName: PriorityQueue
 * @Author: 刘苏义
 * @Date: 2023年06月29日11:18
 * @Version: 1.0
 **/
@Slf4j
public class GuidePriorityQueue {
    /**
     * 相机队列，每个相机一个优先级队列
     */
    public static Map<String, PriorityBlockingQueue<GuideTask>> cameraQueueMap = new HashMap<>();

    /**
     * 创建一个自定义的比较器，根据优先级属性进行比较
     */
    public static Comparator<GuideTask> getComparator() {
        Comparator<GuideTask> PriorityDescCom = Comparator.comparingInt(GuideTask::getPriority).reversed();
        Comparator<GuideTask> NumDescCom = Comparator.comparingInt(GuideTask::getNum).reversed();
        Comparator<GuideTask> receiveTimeAscCom = Comparator.comparing(GuideTask::getReceiveTime);
        Comparator<GuideTask> Comparator = PriorityDescCom.thenComparing(NumDescCom).thenComparing(receiveTimeAscCom);
        return Comparator;
    }

    /**
     * 测试使用：打印队列
     */
    public static void printPriorityQueue() {
        for (String cameraId : GuidePriorityQueue.cameraQueueMap.keySet()) {
            PriorityBlockingQueue<GuideTask> priorityQueue = GuidePriorityQueue.cameraQueueMap.get(cameraId);
//            for (GuideTask task : priorityQueue) {
//
//                log.info("【alarmId】" + task.getAlarmId() + "【receiveTime】" + task.getReceiveTime()
//                        + "【priority】" + task.getPriority() + "【num】" + task.getNum()
//                        + "【chan】" + task.getChanNum() + "【recordSn】" + task.getRecordSn() + "【cameraId】" + task.getCameraId());
//            }
            while (priorityQueue.size() > 0) {
                GuideTask task = priorityQueue.poll();
                log.info("【alarmId】" + task.getAlarmId() + "【receiveTime】" + task.getReceiveTime()
                        + "【priority】" + task.getPriority() + "【num】" + task.getNum()
                        + "【chan】" + task.getChanNum() + "【recordSn】" + task.getRecordSn() + "【cameraId】" + task.getCameraId());;
            }
        }
    }


    public static void main(String[] args) {
        Comparator<obj> com1 = Comparator.comparingInt(obj::getNUM1).reversed();
        Comparator<obj> com2 = Comparator.comparingInt(obj::getNUM2).reversed();
        Comparator<obj> com3 = Comparator.comparingInt(obj::getNUM3).reversed();
        Comparator<obj> objComparator = com1.thenComparing(com2).thenComparing(com3);
        PriorityQueue<obj> priorityQueue = new PriorityQueue<>(objComparator);
        priorityQueue.add(new obj(1, 1, 65));
        priorityQueue.add(new obj(1, 4, 21));
        priorityQueue.add(new obj(1, 4, 33));
        priorityQueue.add(new obj(1, 4, 44));
        priorityQueue.add(new obj(1, 4, 51));

        while (priorityQueue.size() > 0) {
            obj task = priorityQueue.poll();
            log.info("【num1】" + task.getNUM1() + "【num2】" + task.getNUM2() + "【num3】" + task.getNUM3());
        }
        log.info("=======================================================================");
    }

}

@Data
@AllArgsConstructor
class obj {
    Integer NUM1;
    Integer NUM2;
    Integer NUM3;
}