package com.vci.frameworkcore.ajaxTask;

import com.vci.starter.web.exception.VciBaseException;
import com.vci.starter.web.util.VciDateUtil;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import java.util.concurrent.DelayQueue;
import java.util.concurrent.Executors;

/**
 * 解锁的延时任务管理
 * @author weidy
 * @date 2020/2/5
 */
@Component
public class SmUserUnLockTaskManager{
    /**
     * 日志对象
     */
    private final Logger logger = LoggerFactory.getLogger(SmUserUnLockTaskManager.class);
    /**
     * 延时队列
     */
    private DelayQueue<SmUserUnLockTask> delayQueue = new DelayQueue<>();

    /**
     * 添加新的任务
     * @param task 任务对象
     */
    public void put(SmUserUnLockTask task){
        if(logger.isInfoEnabled()){
            logger.info("用户{}在{}时加入解锁队列",task.getUserId(), VciDateUtil.getNowString());
        }
        delayQueue.put(task);
    }

    /**
     * 取消延时任务
     * @param userUnLockTask 用户任务
     * @return true表示执行成功
     */
    public boolean remove(SmUserUnLockTask userUnLockTask){
        if(logger.isInfoEnabled() && userUnLockTask!=null){
            logger.info("取消解锁用户{}",userUnLockTask.getUserId());
        }
        return delayQueue.remove(userUnLockTask);
    }

    /**
     * 任务执行的线程
     * @param args 参数
     * @throws Exception
     */
    public void run(String... args) throws Exception {
        Executors.newSingleThreadExecutor().execute(new Thread(this::excuteThread));
    }

    /**
     * 延时任务执行线程
     */
    private void excuteThread() {
        while (true) {
            try {
                SmUserUnLockTask task = delayQueue.take();
                if(task!=null && StringUtils.isBlank(task.getUserId())){
                    task.getUserService().unLockUser(task.getUserId());
                }
            } catch (VciBaseException | InterruptedException e) {
                if(logger.isErrorEnabled()){
                    logger.error("解锁用户出现了错误",e);
                }
                break;
            }
        }
    }
}