package com.fdkankan.fusion.service.impl;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;

import cn.hutool.core.io.FileUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.fdkankan.fusion.common.PageInfo;
import com.fdkankan.fusion.common.util.*;
import com.fdkankan.fusion.common.FilePath;
import com.fdkankan.fusion.common.ResultCode;
import com.fdkankan.fusion.entity.*;
import com.fdkankan.fusion.exception.BusinessException;
import com.fdkankan.fusion.mapper.IModelMapper;
import com.fdkankan.fusion.request.ModelPram;
import com.fdkankan.fusion.response.SceneVo;
import com.fdkankan.fusion.service.ICaseNumService;
import com.fdkankan.fusion.service.ICaseService;
import com.fdkankan.fusion.service.IFusionNumService;
import com.fdkankan.fusion.service.IModelService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fdkankan.redis.util.RedisUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author 
 * @since 2022-08-03
 */
@Service
public class ModelServiceImpl extends ServiceImpl<IModelMapper, Model> implements IModelService {

    @Autowired
    UploadToOssUtil uploadToOssUtil;
    @Autowired
    UploadService uploadService;
    @Autowired
    ICaseNumService caseNumService;
    @Autowired
    ICaseService caseService;
    @Autowired
    IFusionNumService fusionNumService;
    @Autowired
    RedisUtil redisUtil;

    @Value("${local.obj_path}")
    private String OBJ_PATH;
    @Value("${local.glb_path}")
    private String GLB_PATH;
    @Value("${upload.query-path}")
    private String queryPath;

    @Override
    public Model uploadObj(MultipartFile file, String username) throws Exception {
        if(file.isEmpty()){
            throw new BusinessException(ResultCode.UPLOAD_FILE_NO_EXIST);
        }
        if(file.getSize()>10 * 1024 * 1024 * 100){
            throw new BusinessException(ResultCode.UPLOAD_FILE_TO_LONG);
        }
        //获取文件名
        String fileName = file.getOriginalFilename();
        if(StringUtils.isEmpty(fileName)){
            throw new BusinessException(ResultCode.UPLOAD_FILE_NO_EXIST);
        }
        if(com.fdkankan.fusion.common.util.StringUtils.isChinese(fileName)){
            throw new BusinessException(ResultCode.UPLOAD_FILE_CHINA_NAME);
        }
        if(fileName.length() >50){
            throw new BusinessException(ResultCode.UPLOAD_FILE_NAME_TO_LONG);
        }
        if(!fileName.toLowerCase().endsWith(".zip")){
            throw new BusinessException(ResultCode.UPLOAD_FILE_TYPE_ERROR);
        }
        //获取文件后缀名
        String modelName = fileName.substring(0,fileName.lastIndexOf("."));

        Model model = new Model();
        model.setModelTitle(modelName);
        model.setModelSize(FileWriterUtil.setFileSize(file.getSize()));
        model.setUserName(username);
        this.save(model);
        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"0");
        fileName = UUID.randomUUID().toString().replace("-","") +".zip";
        File newObjFile = null;
        File objPathFile = null;
        String objPath = String.format(OBJ_PATH , "modelId_"+model.getModelId()) ;

        newObjFile = new File(objPath +"/" + fileName);
        if(!newObjFile.getParentFile().exists()){
            newObjFile.mkdirs();
        }
        file.transferTo(newObjFile);
        if(fileName.toLowerCase().endsWith(".zip")){
            ShellUtil.unZip(newObjFile.getPath(),objPath);
        }
        objPathFile = new File(objPath );
        if(!objPathFile.isDirectory()){
            setCreateStatus(model,-1);
            throw new BusinessException(ResultCode.UPLOAD_FILE_TYPE_ERROR);
        }
        List<File> fileList = new ArrayList<>();
        FileWriterUtil.getCanRunList(fileList,objPathFile);

        if(fileList.size() != 1){
            setCreateStatus(model,-1);
            throw new BusinessException(ResultCode.UPLOAD_FILE_MSG_ERROR);
        }
        File file1 = fileList.get(0);
        if(file1 == null){
            setCreateStatus(model,-1);
            throw new BusinessException(ResultCode.UPLOAD_FILE_OBJ_ERROR);
        }
        if(com.fdkankan.fusion.common.util.StringUtils.isChinese(file1.getName())){
            setCreateStatus(model,-1);
            throw new BusinessException(ResultCode.UPLOAD_FILE_CHINA_NAME);
        }
        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"20");
        runThread(file1,objPath,model,newObjFile,objPathFile,this);
        return model;
    }

    private void setCreateStatus(Model model,Integer status){
        model.setCreateStatus(status);
        this.saveOrUpdate(model);
        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),status.toString());
    }

    private void runThread(File file1,String objPath,Model model,File newObjFile,File objPathFile,IModelService modelService){
        new Thread() {
            @Override
            public void run() {
                File mntFile = null;
                try {
                    String glbOssPath = String.format(FilePath.GLB_OSS_PATH, model.getModelId());

                    String name = file1.getName();
                    if(name.contains("obj") || name.contains("OBJ")){
                        glbOssPath = glbOssPath.replace("mesh.glb",file1.getName().replace("obj","glb"));
                        model.setModelDateType("obj");
                        model.setModelType("glb");
                        OBJToGLBUtil.objToGlb(objPath,name,  file1.getPath().replace("obj","glb"));
                        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"65");
                        uploadToOssUtil.uploadOss(file1.getPath(),glbOssPath);
                    }
                    if(name.contains(".ply")){
                        model.setModelDateType("ply");
                        model.setModelType("ply");
                    }
                    if(name.contains(".las")){
                        model.setModelDateType("las");
                        model.setModelType("las");
                    }
                    if("las".equals(model.getModelType()) || "ply".equals(model.getModelType()) ){
                        mntFile =  OBJToGLBUtil.lasOrPlyToBin(file1);
                        glbOssPath = mntFile.getPath().replace("/mnt/","")+"/webcloud";
                        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"65");
                        uploadToOssUtil.uploadFileOss(mntFile );
                    }

                    model.setModelObjUrl(objPath);
                    model.setModelGlbUrl(queryPath + glbOssPath);
                    model.setCreateStatus(1);  //上传成功
                    modelService.saveOrUpdate(model);
                }catch (Exception e){
                    model.setCreateStatus(-1);
                    modelService.saveOrUpdate(model);
                    redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"-1");
                }finally {
                    if(newObjFile!=null){
                        FileUtil.del(newObjFile);
                    }
                    if(objPathFile!=null){
                        FileUtil.del(objPathFile);
                    }
                    if(mntFile!=null){
                        FileUtil.del(mntFile.getParentFile());
                    }
                    redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"100");
                }
            }
        }.start();
    }

    @Override
    public PageInfo pageList(ModelPram param, String token) {
        String username = JwtUtil.getUsername(token);
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Model::getUserName,username);
        wrapper.eq(Model::getType,3);
        if(param.getStatus()!=null){    //参数2为成功，数据库中成功为1
            wrapper.eq(Model::getCreateStatus,param.getStatus() == 2 ? 1 :param.getStatus());
        }
        if(StringUtils.isNotBlank(param.getModelTitle())){
            wrapper.like(Model::getModelTitle,param.getModelTitle());
        }
        wrapper.orderByDesc(Model::getCreateTime);
        Page<Model> page = this.page(new Page<>(param.getPageNum(),param.getPageSize()),wrapper);
        for (Model model : page.getRecords()) {
            if(model.getType() == 3 && StringUtils.isEmpty(model.getNum())) {
                model.setNum(model.getModelId().toString());
            }
        }
        return PageInfo.PageInfo(page);
    }

    @Override
    public void delete(Integer modelId) {
        List<CaseNumEntity> caseNumEntityList = caseNumService.getByNum(modelId.toString());
        List<FusionNum> fusionNumList = fusionNumService.getByNum(modelId.toString());
        if(caseNumEntityList.size() >0 || fusionNumList.size() >0){
            StringBuilder title = new StringBuilder();
            List<Integer> caseIdIds = caseNumEntityList.parallelStream().map(CaseNumEntity::getCaseId).collect(Collectors.toList());
            if(caseIdIds.size() >0){
                List<CaseEntity> list = caseService.getByIds(caseIdIds);
                List<String> collect = list.parallelStream().map(CaseEntity::getCaseTitle).collect(Collectors.toList());
                for (String str : collect) {
                    title.append(str).append(",");
                }
                if(title.length()>0){
                    title.delete(title.length()-1,title.length());
                }
            }
            throw new BusinessException(ResultCode.CASE_USE.code, String.format(ResultCode.CASE_USE.msg,title));
        }
        Model model = this.getById(modelId);
        if(model == null ){
            throw new BusinessException(ResultCode.MODEL_NOT_EXIST);
        }
        this.removeById(modelId);
        fusionNumService.deleteByModelId(modelId);
        if(StringUtils.isNotBlank(model.getModelGlbUrl())){
            uploadService.deleteOssUrl(model.getModelGlbUrl());
        }
    }

    @Override
    public List<Model> getListByNum(List<String> numList) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.in(Model::getNum,numList);
        return this.list(wrapper);
    }

    @Override
    public List<Model> getListByModelIds(List<Integer> modelIds) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.in(Model::getModelId,modelIds);
        return this.list(wrapper);
    }

    @Override
    public List<Model> getListByModelIdStrs(List<String> numList) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.in(Model::getModelId,numList);
        wrapper.orderByDesc(Model::getCreateTime);
        return this.list(wrapper);
    }

    @Override
    public void deleteByNum(List<String> numList) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.in(Model::getNum,numList);
        this.remove(wrapper);
    }

    @Override
    public List<Model> getByUserName(String username) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Model::getUserName,username)
                .eq(Model::getType,3);
        return this.list(wrapper);
    }

    @Override
    public Model getIsNullNewByNum(String num) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Model::getNum,num);
        Model model = this.getOne(wrapper);
        if(model == null){
            model = new Model();
        }
        return model;
    }

    @Override
    public Object getInfo(Integer modelId) {
        Model model = this.getById(modelId);
        if(model == null){
            throw new BusinessException(ResultCode.SCENE_NOT_EXIST);
        }
        SceneVo sceneVo = new SceneVo();
        BeanUtils.copyProperties(model,sceneVo);
        return sceneVo;
    }

    @Override
    public String uploadObjProgress(Integer modelId) {
        String redisKey = RedisKeyUtil.modelUpload+modelId;
        if(redisUtil.hasKey(redisKey)){
            return redisUtil.get(redisKey);
        }
        return "0";
    }
}