package com.moral.api.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.moral.api.entity.Device;
import com.moral.api.mapper.DeviceMapper;
import com.moral.api.service.DeviceService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.constant.Constants;
import com.moral.constant.RedisConstants;
import com.moral.util.DateUtils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * <p>
 * 设备表 服务实现类
 * </p>
 *
 * @author moral
 * @since 2021-06-22
 */
@Service
public class DeviceServiceImpl extends ServiceImpl<DeviceMapper, Device> implements DeviceService {

    @Autowired
    private DeviceMapper deviceMapper;

    @Autowired
    private RedisTemplate redisTemplate;

    @Override
    public void judgeOffLineDevice() {
        QueryWrapper<Device> queryWrapper = new QueryWrapper<>();
        queryWrapper.ne("state", Constants.DEVICE_STATE_OFFLINE);
        //获取所有在线设备
        List<Device> devices = deviceMapper.selectList(queryWrapper);
        for (Device device : devices) {
            Map<String, Object> data = (Map<String, Object>) redisTemplate.opsForHash().get(RedisConstants.DEVICE_DATA, device.getMac());
            device.setState(Constants.DEVICE_STATE_OFFLINE);
            if (data != null && data.containsKey("DataTime")) {
                Date time = DateUtils.getDate((String) data.get("DataTime"), DateUtils.yyyyMMddHHmmss_EN);
                //超过两分钟无数据就离线
                if (DateUtils.getDateOfMin(time, 2).getTime() < new Date().getTime()) {
                    updateDeviceState(device);
                }
            } else {
                updateDeviceState(device);
            }
        }
    }

    @Override
    @Transactional
    public void updateDeviceState(Device device) {
        UpdateWrapper<Device> updateWrapper = new UpdateWrapper<>();
        updateWrapper.eq("id", device.getId()).set("state", device.getState());
        deviceMapper.update(null, updateWrapper);
    }
}