package com.fdkankan.openApi.service.system.impl;

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fdkankan.common.exception.BusinessException;
import com.fdkankan.fyun.face.FYunFileServiceInterface;
import com.fdkankan.openApi.bean.vo.SceneDataDownloadVO;
import com.fdkankan.openApi.entity.system.SceneDataDownloadEntity;
import com.fdkankan.openApi.mapper.system.SceneDataDownloadMapper;
import com.fdkankan.openApi.service.laser.SceneService;
import com.fdkankan.openApi.service.system.SceneDataDownloadService;
import com.fdkankan.web.response.ResultData;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


/**
 * Created by Xiewj on 2022年11月21日11:22:02
 */
@Slf4j
@Service
public class SceneDataDownloadServiceImpl extends ServiceImpl<SceneDataDownloadMapper, SceneDataDownloadEntity> implements SceneDataDownloadService {
    @Value("${laserConfig.defaultFolder}")
    private String laserDefaultFolder;
    @Value("${laserConfig.ossUrl}")
    private String laserOSSurl;
    @Value("${openApiPath.temp}")
    private String tempPath;



    private String laserBucket="laser-data";

    @Autowired
    SceneService sceneService;
    @Autowired
    private FYunFileServiceInterface fYunFileService;

    @Override
    @Transactional(rollbackFor = Exception.class)
    public ResultData sceneDownloadDepthMapAndPly(String sceneCode, Long userId) {
        List<SceneDataDownloadEntity> sceneDataDownloadEntityList = findByOssDeleteIsNullBySceneCode(sceneCode);
        String xlsxUrl="sceneRawData/"+sceneCode+"/"+sceneCode+".xlsx";

        String e57Url=laserDefaultFolder + "/" + sceneCode + "/data/"+sceneCode+"_e57.zip";
        boolean e57Flag=false;
        if(fYunFileService.fileExist(laserBucket,e57Url)){
            e57Flag=true;
        }
        boolean e57DBFlag = sceneDataDownloadEntityList.stream().allMatch(a -> a.getFileName().contains("e57"));
        if (CollectionUtil.isNotEmpty(sceneDataDownloadEntityList) &&fYunFileService.fileExist(laserBucket,xlsxUrl)&&e57Flag&&e57DBFlag){
            log.info("场景存在库");
            List<SceneDataDownloadVO> sceneDataDownloadVOS = sceneDataDownloadEntityList.stream()
                    .map(sceneData -> new SceneDataDownloadVO(sceneData.getFileName(),laserOSSurl+sceneData.getOssKey()))
                    .collect(Collectors.toList());
            return ResultData.ok(sceneDataDownloadVOS);
        }else {
            List<String> copyFiles=new ArrayList<>();
            //先检查e57
            if(e57Flag){
                String e57CopyUrl="sceneRawData/"+sceneCode+"/"+ FileUtil.getName(e57Url);
                fYunFileService.copyFileInBucket(laserBucket,e57Url,e57CopyUrl);
                copyFiles.add(e57CopyUrl);
                e57Flag=true;
            }
            List<String> strings = fYunFileService.listRemoteFiles(laserBucket, laserDefaultFolder + "/" + sceneCode + "/data/" + sceneCode + "/depthmap/");
            boolean has_cloud=false;
            boolean has_png=false;
            ArrayList<Map<String, Object>> rows =new ArrayList<>();
            for (String file : strings) {
                String name = FileUtil.getName(file);
                if (name.contains("ply")&&e57Flag){
                    continue;
                }
                if (FileUtil.extName(file).equalsIgnoreCase("png")&& has_png==false){
                    has_png=true;
                }
                if (FileUtil.extName(file).equalsIgnoreCase("ply")&& has_cloud==false){
                    has_cloud=true;
                }
                String copyUrl="sceneRawData/"+sceneCode+"/"+ FileUtil.getName(file);
                fYunFileService.copyFileInBucket(laserBucket,file,copyUrl);
                copyFiles.add(copyUrl);
            }
            if ((has_png && has_cloud )|| (has_png && e57Flag)){
                return  saveAndDownLoad(sceneCode, copyFiles,userId);
            }else if (!has_png  && !has_cloud ){
                throw new BusinessException(-1,"数据不全，请重算后再尝试下载");
            }else if (has_png && (!has_cloud||!e57Flag  )){
                throw new BusinessException(-1,"点云数据不全，请重算后再尝试下载");
            }else if (!has_png  && has_cloud){
                throw new BusinessException(-1,"深度图数据不全，请重算后再尝试下载");
            }
        }
        return ResultData.ok();
    }
    private ResultData saveAndDownLoad(String sceneCode,   List<String> data,Long userId) {
        List<SceneDataDownloadEntity> dataDownloadEntities=new ArrayList<>();
        for (String file : data) {
             String name = FileUtil.getName(file);
             //上传OSS并且入库
            dataDownloadEntities.add(findAndSave(sceneCode, userId, file, name, 1));
        }
        List<SceneDataDownloadVO> sceneDataDownloadVOS = dataDownloadEntities.stream()
                .map(sceneData -> new SceneDataDownloadVO(sceneData.getFileName(),laserOSSurl+sceneData.getOssKey()))
                .collect(Collectors.toList());
        return ResultData.ok(sceneDataDownloadVOS);
    }

    private SceneDataDownloadEntity findAndSave(String sceneCode, Long userId, String xlsxUrl,String fileName,int type) {
        SceneDataDownloadEntity sceneDataDownload = findBySceneCodeAndFileNameAndOssDeleteIsNull( sceneCode,fileName);
        if (ObjectUtil.isNull(sceneDataDownload)){
            sceneDataDownload=new SceneDataDownloadEntity();
            sceneDataDownload.setOssKey(xlsxUrl);
            sceneDataDownload.setFileName(fileName);
            sceneDataDownload.setType(type);
            sceneDataDownload.setSceneCode(sceneCode);
            sceneDataDownload.setBucket(laserBucket);
            sceneDataDownload.setUserId(userId);
            save(sceneDataDownload);
            return sceneDataDownload;
        }
        return sceneDataDownload;
    }


//

    @Override
    public List<SceneDataDownloadEntity> findByOssDeleteIsNull() {
        return list(Wrappers.<SceneDataDownloadEntity>lambdaQuery().isNull(SceneDataDownloadEntity::getOssDelete));
    }

    @Override
    public List<SceneDataDownloadEntity> findByOssDeleteIsNullBySceneCode(String sceneCode) {
        LambdaQueryWrapper<SceneDataDownloadEntity> wrapper = Wrappers.lambdaQuery();
        wrapper.isNull(SceneDataDownloadEntity::getOssDelete);
        wrapper.eq(SceneDataDownloadEntity::getSceneCode,sceneCode);
        return list(wrapper);
    }

    @Override
    public SceneDataDownloadEntity findBySceneCodeAndFileNameAndOssDeleteIsNull(String sceneCode, String fileName) {
        LambdaQueryWrapper<SceneDataDownloadEntity> wrapper = Wrappers.lambdaQuery();
        wrapper.isNull(SceneDataDownloadEntity::getOssDelete);
        wrapper.eq(SceneDataDownloadEntity::getSceneCode,sceneCode);
        wrapper.eq(SceneDataDownloadEntity::getFileName,fileName);
        return getOne(wrapper);
    }
}