package com.fdkankan.external.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.date.TimeInterval;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.lang.UUID;
import cn.hutool.core.thread.ExecutorBuilder;
import cn.hutool.core.util.RuntimeUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.core.util.ZipUtil;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.fdkankan.common.constant.CommonStatus;
import com.fdkankan.common.constant.CommonSuccessStatus;
import com.fdkankan.common.constant.FileSizeUnitType;
import com.fdkankan.common.constant.SceneSource;
import com.fdkankan.common.util.DateExtUtil;
import com.fdkankan.common.util.FileSizeUtil;
import com.fdkankan.external.bean.DownloadProcessBean;
import com.fdkankan.external.bean.LaserDownloadBean;
import com.fdkankan.external.callback.ErrorCallback;
import com.fdkankan.external.callback.SuccessCallback;
import com.fdkankan.external.entity.*;
import com.fdkankan.external.httpclient.HttpClient;
import com.fdkankan.external.mapper.SceneOfflinePackagePushMapper;
import com.fdkankan.external.service.*;
import com.fdkankan.external.util.CmdUtils;
import com.fdkankan.redis.constant.RedisKey;
import com.fdkankan.redis.util.RedisUtil;
import com.fdkankan.web.response.Result;
import com.fdkankan.web.response.ResultData;
import com.mybatisflex.core.query.QueryWrapper;
import com.mybatisflex.spring.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.io.File;
import java.nio.charset.Charset;
import java.util.*;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.stream.Collectors;

/**
 * 场景离线包推送表 服务层实现。
 *
 * @author dsx
 * @since 2023-12-07
 */
@Slf4j
@Service
public class SceneOfflinePackagePushServiceImpl extends ServiceImpl<SceneOfflinePackagePushMapper, SceneOfflinePackagePush> implements ISceneOfflinePackagePushService {

    @Value("${host.4dkk.scene}")
    private String fdkkSceneHost;

    @Value("${host.laser}")
    private String laserHost;

    @Value("${oss.host.laser.old}")
    private String ossHostLaserOld;
    @Value("${oss.host.laser.new}")
    private String ossHostLaserNew;
    @Value("${oss.host.4dkk.old}")
    private String ossHost4dkkOld;
    @Value("${oss.host.4dkk.new}")
    private String ossHost4dkkNew;

    @Value("${api.4dkk.scene.getInfo}")
    private String getInfoUrl;

    @Value("${api.laser.downOfflineScene}")
    private String downOfflineSceneUrl;
    @Value("${file.offlineZip.dir}")
    private String offlineZipDir;

    private final static ThreadPoolExecutor threadPoolExecutor = ExecutorBuilder.create().setCorePoolSize(1).setMaxPoolSize(3).build();

    @Autowired
    private IDepartmentService departmentService;
    @Autowired
    private IDepartmentCameraService departmentCameraService;
    @Autowired
    private IScenePlusService scenePlusService;
    @Autowired
    private IScenePlusExtService scenePlusExtService;
    @Autowired
    private ISceneOfflinePackagePushService sceneOfflinePackagePushService;
    @Autowired
    private ISceneService sceneService;
    @Resource
    private HttpClient httpClient;
    @Autowired
    private ICameraService cameraService;
    @Resource
    private RedisUtil redisUtil;



    @Override
    public void scenePushScheduleHandler(String departmentCode) {

        Department department = departmentService.getByCode(departmentCode);
        if(Objects.isNull(department)){
            return;
        }
        List<DepartmentCamera> departmentCameraList = departmentCameraService.listByDepartmentId(department.getId());
        if(CollUtil.isEmpty(departmentCameraList)){
            return;
        }
        List<String> snCodeList = departmentCameraList.stream().map(DepartmentCamera::getSnCode).collect(Collectors.toList());

        List<Camera> cameras = cameraService.listBySnCodeList(snCodeList);
        if(CollUtil.isEmpty(cameras)){
            return;
        }
        Map<Long, String> snCodeMap = cameras.stream().collect(Collectors.toMap(Camera::getId, Camera::getSnCode));
        List<Long> cameraIdList = cameras.stream().map(Camera::getId).collect(Collectors.toList());

        List<ScenePlus> scenePlusList = scenePlusService.listByCameraIdList(cameraIdList);
        if(CollUtil.isEmpty(scenePlusList)){
            return;
        }

        SceneOfflinePackagePush condition =
                SceneOfflinePackagePush.builder()
                        .departmentId(department.getId())
                        .pushStatus(CommonSuccessStatus.SUCCESS.code())
                        .build();
        for (ScenePlus scenePlus : scenePlusList) {
            try {
                condition.setNum(scenePlus.getNum());

                SceneOfflinePackagePush commonPush =
                        SceneOfflinePackagePush.builder()
                                .departmentId(department.getId())
                                .destUrl(department.getDestUrl())
                                .storageType("oss")
                                .snCode(snCodeMap.get(scenePlus.getCameraId()))
                                .num(scenePlus.getNum()).build();
                ScenePlusExt scenePlusExt = null;

                //点云场景推送
                int isObj = CommonStatus.NO.code();
                if(scenePlus.getSceneSource() == SceneSource.JG.code() || scenePlus.getSceneSource() == SceneSource.SG.code()){
                    condition.setZipType("laser");
                    SceneOfflinePackagePush lastPush = sceneOfflinePackagePushService.getLastByCondition(condition);
                    Scene scene = sceneService.getBySceneCode(scenePlus.getNum());
                    if(Objects.isNull(scene)){
                        throw new RuntimeException("未查询到激光系统场景信息，场景码：" + scenePlus.getNum());
                    }
                    //如果没有推送过或者推送过但是版本号不一致，就需要推送
                    if(Objects.isNull(lastPush) || lastPush.getVersion() != scene.getOfflineVerForPush()){
//                        threadPoolExecutor.submit(()->{
                            SceneOfflinePackagePush push = BeanUtil.copyProperties(commonPush, SceneOfflinePackagePush.class);
                            push.setZipType("laser");
                            push.setVersion(scene.getOfflineVerForPush());
                            try {
                                sceneOfflinePackagePushService.scenePushHandler(push);
                            }catch (Exception e){
                                log.error("场景推送失败，num:{}",scenePlus.getNum(), e);
                            }
//                        });
                    }
                    scenePlusExt = scenePlusExtService.getByPlusId(scenePlus.getId());
                    isObj = scenePlusExt.getIsObj();
                }

                //看看场景推送
                if(scenePlus.getSceneSource() == SceneSource.BM.code()
                        || scenePlus.getSceneSource() == SceneSource.ZT.code()
                        || isObj == CommonStatus.YES.code()){

                    condition.setZipType("kankan");
                    SceneOfflinePackagePush lastPush = sceneOfflinePackagePushService.getLastByCondition(condition);

                    //查询版本号
                    String getInfo = fdkkSceneHost.concat(String.format(getInfoUrl, scenePlus.getNum()));
                    ResultData<Map<String, Object>> mapResultData = httpClient.get(getInfo, new HashMap<>(), new SuccessCallback(), new ErrorCallback());
                    int version =  (int)mapResultData.getData().get("version");

                    //如果没有推送过或者推送过但是版本号不一致，就需要推送
                    if(Objects.isNull(lastPush) || lastPush.getVersion() != version){
//                        threadPoolExecutor.submit(()->{
                            SceneOfflinePackagePush push = BeanUtil.copyProperties(commonPush, SceneOfflinePackagePush.class);
                            push.setZipType("kankan");
                            push.setVersion(version);
                            try {
                                sceneOfflinePackagePushService.scenePushHandler(push);
                            }catch (Exception e){
                                log.error("场景推送失败，num:{}",scenePlus.getNum(), e);
                            }
//                        });
                    }
                }
            }catch (Exception e){
                log.error("场景推送失败，num:{}",scenePlus.getNum(), e);
            }
        }
    }

    private String genZipUrl4Kankan(String num){
        String downloadUrl = null;
        String downloadTaskKey = RedisKey.SCENE_DOWNLOADS_TASK_V4;
        String progressKey = String.format(RedisKey.PREFIX_DOWNLOAD_PROGRESS_V4, num);
        TimeInterval timer = DateUtil.timer();
        Map<String,String> playod = new HashMap<>(2);
        playod.put("type","local");
        playod.put("num",num);
        redisUtil.lRightPush(downloadTaskKey, JSONObject.toJSONString(playod));
        boolean exit = false;
        String progress = null;
        DownloadProcessBean downloadProcessBean = null;
        do {
            progress = redisUtil.get(progressKey);
            if(StringUtils.isEmpty(progress)){
                downloadProcessBean = new DownloadProcessBean();
            }else{
                downloadProcessBean = JSONObject.parseObject(progress, DownloadProcessBean.class);
            }
            Integer status = downloadProcessBean.getStatus();
            if (Objects.nonNull(status) && status == 1002) {
                downloadUrl = downloadProcessBean.getUrl();
                exit = true;
            }
            if (Objects.nonNull(status) && status == 1003) {
                log.error("下载失败，num:{}", num);
                throw new RuntimeException("下载失败，num:" + num);
            }
            if (timer.intervalMinute() > 8 * 60) {
                log.error("下载超时，num:{}", num);
                throw new RuntimeException("下载超时，num:" + num);
            }
            try {
                Thread.sleep(5000L);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        } while (!exit);

        return downloadUrl.replace(ossHost4dkkOld, ossHost4dkkNew);
    }

    private String genZipUrl4Laser(String num){
        String downloadUrl = null;
        TimeInterval timer = DateUtil.timer();

        boolean exit = false;

        //请求激光系统开始下载
        Map<String, Object> params = new HashMap<>();
        params.put("sceneCode", num);
        Result<LaserDownloadBean> resultData = httpClient.downOfflineScene(laserHost.concat(downOfflineSceneUrl), params, new SuccessCallback(), new ErrorCallback());
        LaserDownloadBean laserRes = resultData.getData();
        if(laserRes.getStatus() == 2){
            return laserRes.getUrl().replace(ossHostLaserOld, ossHostLaserNew);
        }
        do {
            resultData = httpClient.downOfflineScene(laserHost.concat(downOfflineSceneUrl), params, new SuccessCallback(), new ErrorCallback());
            laserRes = resultData.getData();
            Integer status = laserRes.getStatus();
            if (Objects.nonNull(status) && status == 2) {
                downloadUrl = laserRes.getUrl();
                exit = true;
            }
            if (Objects.nonNull(status) && status == -1) {
                log.error("下载失败，num:{}", num);
                throw new RuntimeException("下载失败，num:" + num);
            }
            if (timer.intervalMinute() > 8 * 60) {
                log.error("下载超时，num:{}", num);
                throw new RuntimeException("下载超时，num:" + num);
            }
            try {
                Thread.sleep(5000L);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        } while (!exit);

        return downloadUrl.replace(ossHostLaserOld, ossHostLaserNew);
    }

    @Override
    public SceneOfflinePackagePush getLastByCondition(SceneOfflinePackagePush condition) {

        QueryWrapper wrapper = new QueryWrapper();
        wrapper.eq(SceneOfflinePackagePush::getDepartmentId, condition.getDepartmentId());
        wrapper.eq(SceneOfflinePackagePush::getNum, condition.getNum());
        wrapper.orderBy(SceneOfflinePackagePush::getId, false);
        wrapper.limit(1);
        if(StrUtil.isNotEmpty(condition.getZipType())){
            wrapper.eq(SceneOfflinePackagePush::getZipType, condition.getZipType());
        }
        if(Objects.nonNull(condition.getPushStatus())){
            wrapper.eq(SceneOfflinePackagePush::getPushStatus, condition.getPushStatus());
        }

        return this.getOne(wrapper);
    }

    @Override
    public void scenePushHandler(SceneOfflinePackagePush push){
        String num = push.getNum();
        String zipType = push.getZipType();
        int version = push.getVersion();
        String downloadUrl = null;


        try {
            if("laser".equals(zipType)){
                downloadUrl = this.genZipUrl4Laser(num);
            }else{
                downloadUrl = this.genZipUrl4Kankan(num);
            }

            //开始推送到第三方服务
            if(StrUtil.isEmpty(downloadUrl)){
                throw new RuntimeException("场景下载失败，下载链接为空，场景码：" + num);
            }

            //下载到本地
            String zipPath = offlineZipDir.concat(num).concat(".zip");
            HttpUtil.downloadFile(downloadUrl, zipPath);

            String dirPath = null;
            String unzipPath = offlineZipDir.concat(num).concat("-").concat(zipType).concat("-").concat(String.valueOf(version));
            ZipUtil.unzip(zipPath, unzipPath, Charset.forName("GBK"));
            if("laser".equals(zipType)){
                dirPath = unzipPath.concat("/www");
            }else{
                dirPath = unzipPath.concat("/wwwroot/scene_view_data");
            }
            String zipDir = dirPath.concat("/zip/");
            FileUtil.del(zipDir);
            String volumeName = zipDir.concat(num).concat(".zip");
            FileUtil.mkParentDirs(volumeName);
            String cmd = "cd " + dirPath + " && zip -r " + volumeName + " " + num + " -s 100M";
            log.info("压缩命令：{}", cmd);
            CmdUtils.callLineSh(cmd, 200);

            List<String> fileList = FileUtil.listFileNames(zipDir);
            if(CollUtil.isEmpty(fileList)){
                throw new RuntimeException("压缩包不存在");
            }

            String id = UUID.fastUUID().toString();
            for (String file : fileList) {
                Map<String, Object> params = new HashMap<>();
                params.put("id", id);
                params.put("action", "upload");
                params.put("fileName", file);
                params.put("file", FileUtil.file(zipDir.concat(file)));
                String post = HttpUtil.post(push.getDestUrl(), params, 60 * 60 * 1000);
                log.info("场景推送成功，接收端返回结果：{}", post);
            }

            ScenePlus scenePlus = scenePlusService.getByNum(num);
            ScenePlusExt scenePlusExt = scenePlusExtService.getByPlusId(scenePlus.getId());
            String title = scenePlus.getTitle();
            if("laser".equals(zipType)){
                Scene scene = sceneService.getBySceneCode(scenePlus.getNum());
                title = scene.getTitle();
            }
            Map<String, Object> params = new HashMap<>();
            params.put("id", id);
            params.put("action", "save");
            params.put("fileName", num.concat(".zip"));
            params.put("num", num);
            params.put("title", title);
            params.put("zipType", zipType);
            params.put("downloadUrl", downloadUrl);
            params.put("version", push.getVersion());
            params.put("calcTime", DateExtUtil.format(scenePlusExt.getAlgorithmTime(), DateExtUtil.dateStyle8));
            String post = HttpUtil.post(push.getDestUrl(), params, 60 * 60 * 1000);
            log.info("场景推送成功，接收端返回结果：{}", post);
            push.setPushStatus(CommonSuccessStatus.SUCCESS.code());
        }catch (Exception e){
            log.error("场景推送失败，num:{}", num, e);
            push.setPushStatus(CommonSuccessStatus.FAIL.code());
        }

        this.saveOrUpdate(push);
    }

    public static void main(String[] args) throws Exception {



//        Map<String, Object> params = new HashMap<>();
//        params.put("num", "KJ-t-WypZvHxCR4X");
//        params.put("title", "123");
//        params.put("zipType", "kankan");
//        params.put("version", 1);
//        params.put("calcTime", DateExtUtil.format(new Date(), DateExtUtil.dateStyle8));
//        params.put("file", FileUtil.file("D:\\mnt\\external\\temp\\KJ-t-WypZvHxCR4X.zip"));
//        final String post = HttpUtil.post("http://localhost:8080/scene/receive2", params, 60 * 60 * 1000);
//        System.out.println(post);
    }
}