package com.genersoft.iot.vmp.conf;


import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.media.zlm.AssistRESTfulUtils;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.storager.dao.CloudRecordServiceMapper;
import com.genersoft.iot.vmp.vmanager.cloudRecord.CloudRecordController;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

/**
 * 录像文件定时删除
 */
@Component
public class CloudRecordTimer {

    private final static Logger logger = LoggerFactory.getLogger(CloudRecordTimer.class);

    @Autowired
    private IMediaServerService mediaServerService;

    @Autowired
    private CloudRecordServiceMapper cloudRecordServiceMapper;

    @Autowired
    private AssistRESTfulUtils assistRESTfulUtils;

    /**
     * 定时查询待删除的录像文件
     */
    @Scheduled(cron = "0 0 0 * * ?")   //每天的0点执行
    public void execute(){
        // 获取配置了assist的流媒体节点
        List<MediaServerItem> mediaServerItemList =  mediaServerService.getAllWithAssistPort();
        if (mediaServerItemList.isEmpty()) {
            return;
        }
        long result = 0;
        for (MediaServerItem mediaServerItem : mediaServerItemList) {

            Calendar lastCalendar = Calendar.getInstance();
            if (mediaServerItem.getRecordDate() > 0) {
                lastCalendar.setTime(new Date());
                // 获取保存的最后截至日期，因为每个节点都有一个日期，也就是支持每个节点设置不同的保存日期，
                lastCalendar.add(Calendar.DAY_OF_MONTH, -mediaServerItem.getRecordDate());
                Long lastDate = lastCalendar.getTimeInMillis();
                // 获取到截至日期之前的录像文件列表，文件列表满足未被收藏和保持的。这两个字段目前共能一致，
                // 为我自己业务系统相关的代码，大家使用的时候直接使用收藏（collect）这一个类型即可
                List<String> filePathList = cloudRecordServiceMapper.queryRecordFilePathListForDelete(lastDate,  mediaServerItem.getId());
                if (filePathList.isEmpty()) {
                    continue;
                }
                // 先调用assist删除磁盘文件，删除成功后再删除数据库记录
                JSONObject jsonObject = assistRESTfulUtils.deleteFiles(mediaServerItem, filePathList);
                if (jsonObject != null && jsonObject.getInteger("code") == 0 && jsonObject.getInteger("data") > 0) {
                    result += jsonObject.getInteger("data");
                    cloudRecordServiceMapper.deleteByFileList(filePathList, mediaServerItem.getId());
                }
            }
        }
        logger.info("[录像文件定时清理] 共清理{}个过期录像文件", result);
    }
}