package com.fdkankan.fusion.service.impl;
import java.io.File;
import java.io.IOException;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.stream.Collectors;

import cn.hutool.core.io.FileUtil;
import cn.hutool.core.thread.ThreadUtil;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
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 lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
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.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author 
 * @since 2022-08-03
 */
@Service
@Slf4j
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("${upload.query-path}")
    private String queryPath;
    @Value("${spring.profiles.active}")
    private String environment;

    @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");

        runThread(file,model,this);
        return model;
    }

    private void setCreateStatus(Model model,Integer status){
        String redisKey = RedisKeyUtil.modelCancelUpload+model.getModelId();
        if(redisUtil.hasKey(redisKey)){
            if(redisUtil.get(redisKey).equals("-2")){
                return;
            }
        }
        model.setCreateStatus(status);
        this.saveOrUpdate(model);
        if(status != 1){
            redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),status.toString());
        }
    }

    public void runThread(MultipartFile file,Model model,IModelService modelService){
        ExecutorService executor = ThreadUtil.newSingleExecutor();
        try {
            CompletableFuture.runAsync(() -> {
                File newObjFile = null;
                File objPathFile = null;
                File mntFile = null;
                try {
                    String fileName = UUID.randomUUID().toString().replace("-","") +".zip";
                    String objPath = String.format(FilePath.OBJ_LOCAL_PATH,environment , "modelId_"+model.getModelId()) ;
                    log.info("uploadObj--ThreadStart-fileName:{},modeId:{}",fileName,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()){
                        throw new BusinessException(-1,"解压错误");
                    }
                    List<File> fileList = new ArrayList<>();
                    FileWriterUtil.getCanRunList(fileList,objPathFile);

                    if(fileList.size() <=0){
                        throw new BusinessException(-1,"可上传文件不存在");
                    }

                    File file1 = fileList.get(0);
                    if(file1 == null){
                        throw new BusinessException(-1,"可上传文件不存在");
                    }
                    if(com.fdkankan.fusion.common.util.StringUtils.isChinese(file1.getName())){
                        throw new BusinessException(-1,"压缩包中文");
                    }
                    String b3dmJsonPath = null;
                    if(file1.getName().endsWith(".b3dm")  ){
                        b3dmJsonPath = FileWriterUtil.checkB3dmTileset(objPathFile);
                        if(b3dmJsonPath == null){
                            throw new BusinessException(-1,"缺少tileset.json文件");

                        }
                    }
                    redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"20");

                    String glbOssPath = String.format(FilePath.GLB_OSS_PATH,environment, 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.objToGlb2(file1.getPath(), file1.getPath().replace(".obj",".glb"));
                        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"65");
                        uploadToOssUtil.uploadOss(file1.getPath().replace(".obj",".glb"),glbOssPath);
                        if(!uploadToOssUtil.existKey(glbOssPath)){
                            throw new BusinessException(-1,"缺少.glb文件");
                        }
                    }
                    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 );
                        if(!uploadToOssUtil.existKey(glbOssPath+"/cloud.js")){
                            throw new BusinessException(-1,"缺少cloud.js文件");
                        }
                    }
                    model.setModelGlbUrl(JSONArray.toJSONString(Arrays.asList(queryPath + glbOssPath)));

                    String b3dmPath = objPathFile.getPath().replace(FilePath.LOCAL_BASE_PATH,"fusion/");
                    if(name.contains(".osgb")){
                        model.setModelDateType("osgb");
                        model.setModelType("b3dm");

                        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"60");
                        String localPath = OBJToGLBUtil.OsgbToB3dm(objPathFile);

                        String jsonPath = null;
                        jsonPath =  FileWriterUtil.checkB3dmTileset(objPathFile);
                        if(jsonPath == null){
                            throw new BusinessException(-1,"缺少tileset.json文件");

                        }

                        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"80");
                        ShellUtil.yunUpload(localPath,b3dmPath);
                        model.setModelGlbUrl((JSONArray.toJSONString(Arrays.asList(queryPath +  jsonPath.replace(FilePath.LOCAL_BASE_PATH,"fusion/")))));
                        //FileUtil.del(localPath);
                    }
                    if(name.contains(".b3dm") && b3dmJsonPath != null){
                        model.setModelDateType("b3dm");
                        model.setModelType("b3dm");
                        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"60");
                        ShellUtil.yunUpload(objPathFile.getPath(),b3dmPath);
                        model.setModelGlbUrl((JSONArray.toJSONString(Arrays.asList(queryPath +  b3dmJsonPath.replace(FilePath.LOCAL_BASE_PATH,"fusion/")))));
                    }

                    setCreateStatus(model,1);
                    modelService.saveOrUpdate(model);
                    redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"100");
                }catch (Exception e){
                    setCreateStatus(model,-1);
                    log.error("uploadObj--ThreadError-modeId:{},error:{}",model.getModelId(),e);
                }finally {
                    if(newObjFile!=null){
                        FileUtil.del(newObjFile);
                    }
                    if(objPathFile!=null){
                        FileUtil.del(objPathFile);
                    }
                    if(mntFile!=null){
                       FileUtil.del(mntFile.getParentFile());
                    }
                }
            }, executor).whenComplete((reslut, e) -> {
                log.info("uploadObj--ThreadEnd-modeId:{}",model.getModelId());
            });
        }catch (Exception e){
            setCreateStatus(model,-1);
            log.error("uploadObj--ThreadError-modeId:{},error:{}",model.getModelId(),e);
        }
    }

    @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);
        wrapper.notIn(Model::getCreateStatus,-2);
        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,Integer type) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Model::getNum,num);
        wrapper.eq(Model::getType,type);
        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;
        String cancel = RedisKeyUtil.modelCancelUpload+modelId;
        if(redisUtil.hasKey(cancel)){
            return redisUtil.get(cancel);
        }
        if(redisUtil.hasKey(redisKey)){
            return redisUtil.get(redisKey);
        }
        return "0";
    }

    @Override
    public void cancelUpload(Integer modelId) {
        String redisKey = RedisKeyUtil.modelCancelUpload+modelId;
        if(redisUtil.hasKey(redisKey)){
            return;
        }
        Model model = this.getById(modelId);
        if(model == null){
            return;
        }
        model.setCreateStatus(-2);
        this.updateById(model);
        redisUtil.set(redisKey,"-2");
    }

    @Override
    public HashMap<String, Model> getMapByNum(List<String> numList) {
        HashMap<String,Model> map = new HashMap<>();
        List<Model> modelList = this.getListByNum(numList);
        modelList.forEach(entity-> map.put(entity.getNum() + entity.getType(),entity));
        return map;
    }
}