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.config.CacheUtil;
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.*;
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.io.FileUtils;
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
    LocalToOssUtil localToOssUtil;
    @Autowired
    UploadService uploadService;
    @Autowired
    ICaseNumService caseNumService;
    @Autowired
    ICaseService caseService;
    @Autowired
    IFusionNumService fusionNumService;
    @Autowired
    RedisUtil redisUtil;
    @Autowired
    ITmDepartmentService tmDepartmentService;
    @Autowired
    ITmUserService tmUserService;
    @Autowired
    ITmCameraService tmCameraService;
    @Autowired
    ThreadService threadService;
    @Autowired
    ISceneService sceneService;

    @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("."));

        TmUser tmUser = tmUserService.getLoginUser();
        Model model = new Model();
        model.setModelTitle(modelName);
        model.setModelSize(FileWriterUtil.setFileSize(file.getSize()));
        model.setUserName(username);
        model.setDeptId(tmUser.getDeptId());
        redisUtil.set(RedisKeyUtil.modelUpload+model.getModelId(),"0");
        this.save(model);

        String fileName2 = UUID.randomUUID().toString().replace("-","") +".zip";
        String objPath = String.format(FilePath.OBJ_LOCAL_PATH,environment , "modelId_"+model.getModelId()) ;
        log.info("uploadObj--ThreadStart-fileName:{},modeId:{}",fileName2,model.getModelId());

        File newObjFile = new File(objPath +"/" + fileName2);
        if(!newObjFile.getParentFile().exists()){
            newObjFile.getParentFile().mkdirs();
        }

        file.transferTo(newObjFile);
        threadService.uploadModelObj(fileName2,objPath,newObjFile,model);
        return model;
    }

    @Override
    public PageInfo pageList(ModelPram param, String userName) {
        LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
        List<String> deptIds = tmDepartmentService.getDeptIds();
        if(deptIds.size() <=0){
            return PageInfo.PageInfo(new Page<>(param.getPageNum(),param.getPageSize()));
        }
        if(param.getCaseId() !=null){
            String deptId =  caseService.getDeptId(param.getCaseId());
            wrapper.eq(Model::getDeptId,deptId);
        }
        List<String> deptIds2 = tmDepartmentService.getSonByDeptIdAndDeptIds(deptIds, param.getDeptId(),param.getSearchType());
        wrapper.in(Model::getDeptId,deptIds2);
        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);
        Set<String> deptIdset = page.getRecords().stream().map(Model::getDeptId).collect(Collectors.toSet());
        HashMap<String, TmDepartment> mapByDept = tmDepartmentService.getMapByDeptIds(deptIdset);
        for (Model model : page.getRecords()) {
            if(model.getType() == 3 && StringUtils.isEmpty(model.getNum())) {
                model.setNum(model.getModelId().toString());
            }
            if(StringUtils.isNotBlank(model.getDeptId())){
                TmDepartment tmDepartment = mapByDept.get(model.getDeptId());
                if(tmDepartment != null){
                    model.setDeptName(tmDepartment.getName());
                }
            }
        }
        return PageInfo.PageInfo(page);
    }

    private List<Model> getByDeptIds(List<String> asList) {
        if(asList.size() >0){
            LambdaQueryWrapper<Model> wrapper = new LambdaQueryWrapper<>();
            wrapper.in(Model::getDeptId,asList);
            return list(wrapper);
        }
        return new ArrayList<>();
    }

    @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) {
        if(modelIds == null || modelIds.isEmpty()){
            return new ArrayList<>();
        }
        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, Integer isObj) {
        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();
        }
        if(model.getModelId() != null && StringUtils.isNotBlank(model.getModelGlbUrl()) && StringUtils.isNotBlank(model.getModelSize())){
            return model;
        }
        model.setModelDateType("obj");
        model.setType(type);
        model.setModelType("pointcloud");    //深时点云类型
        model.setCreateStatus(1);
        model.setIsObj(isObj);
        if(isObj == 1){           //看看，看见
            Scene scene = sceneService.getByNum(num);
            if(scene == null){
                throw new BusinessException(ResultCode.SCENE_NOT_EXIST);
            }
            String mesh3DtilesPath  =  String.format(FilePath.OBJ_OSS_PATH,num) + "/images/3dtiles/tileset.json";
            String sizePath = scene.getWebPath() + String.format(FilePath.OBJ_OSS_PATH,num) + "/images/3dtiles";
            if(localToOssUtil.existKey(scene.getWebPath() +mesh3DtilesPath)){
                model.setModelDateType("b3dm");
                model.setModelType("b3dm");
                model.setModelGlbUrl(JSONArray.toJSONString(Arrays.asList(scene.getMapping() +"/" +mesh3DtilesPath)));
                model.setModelSize(FileWriterUtil.setFileSize(localToOssUtil.getSizeCount( sizePath)));
            }else {
                String meshPath = String.format(FilePath.OBJ_OSS_PATH, num)+"/data/mesh";
                if(localToOssUtil.existKey( scene.getWebPath() +meshPath +"/mesh.obj")){
                    Long size = localToOssUtil.getSizeCount( scene.getWebPath() +meshPath);
                    model.setModelSize(FileWriterUtil.setFileSize(size));
                    model.setModelGlbUrl(JSONArray.toJSONString(Arrays.asList(scene.getMapping()+"/" + meshPath+"/mesh.obj")));
                }else {
                    List<String> objPaths = new ArrayList<>();
                    String meshPathjs =  String.format(FilePath.OBJ_OSS_PATH, num)+"/data/";

                    String jsonPath =scene.getWebPath() + meshPath + "/floors.json";
                    if(!localToOssUtil.existKey(jsonPath)){
                        jsonPath =scene.getWebPath() + meshPath +"mesh.json";
                    }
                    if(localToOssUtil.existKey(jsonPath)){
                        String objectContent = localToOssUtil.getObjectContent(meshPath + "/floors.json");
                        JSONObject jsonObject = JSONObject.parseObject(objectContent);
                        JSONArray floors1 = jsonObject.getJSONArray("floors");
                        for (Object object : floors1) {
                            JSONObject jb = (JSONObject) object;
                            String string = jb.getString("objPath");
                            objPaths.add(scene.getMapping()+"/" +meshPathjs + string);
                        }
                        model.setModelGlbUrl(JSONArray.toJSONString(objPaths));
                        Long size = localToOssUtil.getSize(scene.getWebPath() +meshPath);
                        model.setModelSize(FileWriterUtil.setFileSize(size));
                    }
                }
                model.setModelType("obj");
            }

        }
        model.setNum(num);

        this.saveOrUpdate(model);
        return model;
    }

    @Override
    public SceneVo 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;
    }

    @Override
    public void copyModel(Integer modelId) {
        Model modelEntity = this.getById(modelId);
        if(modelEntity == null){
            throw new BusinessException(ResultCode.MODEL_NOT_EXIST);
        }
        Integer oldId = modelEntity.getModelId();
        modelEntity.setModelTitle(modelEntity.getModelTitle() +"(copy)");
        modelEntity.setModelId(null);
        this.save(modelEntity);
//        if(StringUtils.isNotBlank(modelEntity.getModelGlbUrl())){
//            String modelGlbUrl = modelEntity.getModelGlbUrl();
//            copyOssResource(modelGlbUrl,oldId,modelEntity.getModelId());
//            String newModelObjUrl = modelGlbUrl.replaceAll(oldId+"",modelEntity.getModelId()+"");
//            modelEntity.setModelGlbUrl(newModelObjUrl);
//            this.updateById(modelEntity);
//        }

    }










    private String getGlbUrl(Integer type, String num,Model model,String scenePath) {
        if(type == 0 || type == 1 || type == 4 || type == 6 || type == 7){ //看看，看见
            //ShellUtil.yunDownload(String.format(FilePath.OBJ_OSS_PATH, num)+"/data/mesh" ,objPath);

            String objPathSource = scenePath + String.format(FilePath.OBJ_OSS_PATH, num)+"/data/mesh";
            String objPath = String.format(FilePath.OBJ_LOCAL_PATH ,environment,num);
            ShellUtil.yunDownload(objPathSource ,objPath);


            List<String> localGlbPaths = new ArrayList<>();
            List<String> ossGlbPaths = new ArrayList<>();
            File localFile = new File(objPath);
            this.toGlB(localFile,localGlbPaths);
            Long modelSize = 0L;
            if(localGlbPaths.size() >0){
                for (String localGlbPath : localGlbPaths) {
                    String ossGlbPath = localGlbPath.replace(FilePath.LOCAL_BASE_PATH,"fusion/");
                    localToOssUtil.uploadOss(localGlbPath,ossGlbPath);
                    if(ossGlbPath.contains("lod_")){
                        if(ossGlbPath.contains("lod_0")){
                            ossGlbPaths.add(CacheUtil.mapping +ossGlbPath);
                            modelSize +=  localToOssUtil.getSize(ossGlbPath);
                        }
                        continue;
                    }
                    modelSize +=  localToOssUtil.getSize(ossGlbPath);
                    ossGlbPaths.add( CacheUtil.mapping +ossGlbPath);
                }
                model.setModelSize(FileWriterUtil.setFileSize(modelSize));
                FileUtil.del(objPath);
                return JSONArray.toJSONString(ossGlbPaths);
            }
            FileUtil.del(objPath);
        }
        return null;
    }

    private void toGlB(File localFile, List<String> localGlbPath) {
        File[] files = localFile.listFiles();
        for (File file : files) {
            if(file.isDirectory()){
                toGlB(file,localGlbPath);
            }
            if(file.getName().contains(".obj")){
                String glbPath =  OBJToGLBUtil.objToGlb(file.getPath(),file.getPath().replace(".obj",".glb") );
                localGlbPath.add(glbPath);
            }
        }
    }
}