package com.ycl.utils;

import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.ycl.platform.domain.entity.DeviceInfo;
import com.ycl.platform.domain.entity.TMonitor;
import com.ycl.platform.domain.result.SYS.TMonitorResult;
import com.ycl.platform.domain.vo.CheckResult;
import com.ycl.platform.domain.vo.CheckUtil;
import com.ycl.platform.mapper.DeviceInfoMapper;
import com.ycl.platform.mapper.TMonitorMapper;
import com.ycl.platform.service.WorkOrderService;
import com.ycl.utils.http.SelfHttpUtil;
import com.ycl.utils.uuid.IdUtils;
import constant.RedisConstant;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.http.*;
import org.springframework.lang.Nullable;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.*;

/**
 * @author xp
 * @date 2022/11/16
 */
@Component
@RequiredArgsConstructor
@Slf4j
public class CheckPointUtil {

    private final RedisTemplate redisTemplate;
    private final SelfHttpUtil selfHttpUtil;
    private final DeviceInfoMapper deviceInfoMapper;
    private final WorkOrderService workOrderService;
    private final TMonitorMapper monitorMapper;

    /**
     * 监测点位在线工具类
     * @return
     */
    public TMonitorResult check(TMonitorResult monitor) {
        // 先检测能否访问该ip的网页
        ResponseEntity<String> res = null;
        String prefix = "http://";
        if ("127.0.0.1".equals(monitor.getIp())) {
            monitor.setPingOnline(Boolean.FALSE);
            return monitor;
        }
        try {
            res = selfHttpUtil.get(prefix + monitor.getIp(), null, null);
            monitor.setPingOnline(Objects.nonNull(res) && HttpStatus.OK == res.getStatusCode());
        } catch (Exception e) {
            monitor.setPingOnline(Boolean.FALSE);
        }
        // 如果http得到的不在线，那么再ping一下
        boolean reachable = false;
        Integer checkTimes = 1;
        Integer offLineTimes = 0;
        Map<String, Object> map = (Map<String, Object>) redisTemplate.opsForHash().get(RedisConstant.ONLINE_KEY, monitor.getIp());
        if (!CollectionUtils.isEmpty(map)) {
            checkTimes = (Integer) map.get("checkTimes") + 1;
            offLineTimes = (Integer) map.get("offLineTimes");
        } else {
            map = new HashMap<>();
        }
        if (!monitor.getPingOnline()) {
            try {
                reachable = InetAddress.getByName(monitor.getIp()).isReachable(5000);
            } catch (IOException e) {
                e.printStackTrace();
            }
            monitor.setPingOnline(reachable);
        }
        if (!monitor.getPingOnline()) {
            offLineTimes++;
        }
        map.put("checkTimes", checkTimes);
        map.put("offLineTimes", offLineTimes);
        redisTemplate.opsForHash().put(RedisConstant.ONLINE_KEY, monitor.getIp(), map);
        monitor.setCheckCount(checkTimes);
        monitor.setOffLineCount(offLineTimes);
        return monitor;
    }


    /**
     * 监测点位在线
     * @return
     */
    public CheckResult webCheck(CheckUtil checkUtil) {
        CheckResult result = new CheckResult();
        List<TMonitor> ips = new LambdaQueryChainWrapper<>(monitorMapper)
                .eq(TMonitor::getSerialNumber, checkUtil.getSerialNumber())
                .list();
        if (ips.size() < 1) {
            result.setStatus("国标码未查找到IP");
            return result;
        }
        checkUtil.setIp(ips.get(0).getIp());

        log.info("监测IP：" + checkUtil.getIp());
        String prefix = "http://";
        if ("127.0.0.1".equals(checkUtil.getIp())) {
            result.setStatus("ip异常");
            return result;
        }
        boolean webReachable = false;
        try {
            ResponseEntity<String> res = selfHttpUtil.get(prefix + checkUtil.getIp(), null, null);
            webReachable = Objects.nonNull(res) && HttpStatus.OK == res.getStatusCode();
        } catch (Exception e) {
            log.info("检测web异常"+e.getMessage());
            webReachable = Boolean.FALSE;
        }
        // ping
        boolean pingReachable = false;
        try {
            InetAddress inet = InetAddress.getByName(checkUtil.getIp());
            pingReachable = inet.isReachable(5000); // 5000毫秒超时时间
        } catch (UnknownHostException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        String imgUrl = "";
        if(pingReachable || webReachable) {
            // 查出国标设备，就一条数据
            List<DeviceInfo> gbDevices = new LambdaQueryChainWrapper<>(deviceInfoMapper)
                    .orderByDesc(DeviceInfo::getUpdateTime)
                    .last("limit 1")
                    .list();
            if (!CollectionUtils.isEmpty(gbDevices)) {
                try {
                    imgUrl = workOrderService.getFrameImgByDevice(gbDevices.get(0).getDeviceId(), checkUtil.getSerialNumber(), IdUtils.workOrderNO(new Date(), "99999"));
                    result.setImg(imgUrl);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
        String status = "";
        if (! webReachable) {
            status += "设备web访问失败；";
        }else if(webReachable){
            status += "设备web访问正常；";
        }

        if (! pingReachable) {
            status += "设备ip未ping通；";
        }else if(pingReachable){
            status += "设备ipPing正常；";
        }

        if (StringUtils.isEmpty(imgUrl)) {
            status += "未获取到图片";
        }else {
            status += "获取图片正常";
        }
        result.setStatus(status);
        return result;
    }

    /**
     * ping
     *
     * @return
     */
    public CheckResult ping(CheckUtil checkUtil) {
        CheckResult result = new CheckResult();

        log.info("监测IP：" + checkUtil.getIp());
        String prefix = "http://";
        if ("127.0.0.1".equals(checkUtil.getIp())) {
            result.setStatus("ip异常");
            return result;
        }
        // ping
        boolean pingReachable = false;
        try {
            InetAddress inet = InetAddress.getByName(checkUtil.getIp());
            pingReachable = inet.isReachable(5000); // 5000毫秒超时时间
        } catch (UnknownHostException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        String status = "";
        if (! pingReachable) {
            status += "ip未ping通；";
        }else {
            status += "成功";
        }
        result.setStatus(status);
        return result;
    }
}