package com.fdkankan.fusion.service.impl;
import java.io.File;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.List;

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.JwtUtil;
import com.fdkankan.fusion.common.FilePath;
import com.fdkankan.fusion.common.ResultCode;
import com.fdkankan.fusion.common.util.OBJToGLBUtil;
import com.fdkankan.fusion.common.util.ShellUtil;
import com.fdkankan.fusion.common.util.UploadToOssUtil;
import com.fdkankan.fusion.entity.CaseNumEntity;
import com.fdkankan.fusion.entity.FusionNum;
import com.fdkankan.fusion.entity.Model;
import com.fdkankan.fusion.exception.BusinessException;
import com.fdkankan.fusion.mapper.IModelMapper;
import com.fdkankan.fusion.request.ModelPram;
import com.fdkankan.fusion.request.ScenePram;
import com.fdkankan.fusion.response.SceneVo;
import com.fdkankan.fusion.service.ICaseNumService;
import com.fdkankan.fusion.service.IFusionNumService;
import com.fdkankan.fusion.service.IModelService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import jdk.nashorn.tools.Shell;
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
    IFusionNumService fusionNumService;
    @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 void 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){
            System.out.println(file.getSize());
            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(!fileName.toLowerCase().contains("zip") && !fileName.toLowerCase().contains("rar")){
            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.setModelDateType("obj");
        model.setModelType("glb");
        model.setModelSize(file.getSize());
        model.setUserName(username);
        this.save(model);
        File newObjFile = null;
        try {
            String objPath = String.format(OBJ_PATH , "modelId_"+model.getModelId());
            String glbPath = String.format(GLB_PATH , "modelId_"+model.getModelId()) +"/"+modelName +"/mesh.glb";
            String glbOssPath = String.format(FilePath.GLB_OSS_PATH, model.getModelId());


            newObjFile = new File(objPath +"/" + fileName);
            if(!newObjFile.getParentFile().exists()){
                newObjFile.mkdirs();
            }
            file.transferTo(newObjFile);
            if(fileName.toLowerCase().contains("zip")){
                ShellUtil.unZip(newObjFile.getPath(),objPath);
            }
            if(fileName.toLowerCase().contains("rar")){
                ShellUtil.unRar(newObjFile.getPath(),objPath);
            }

            OBJToGLBUtil.objToGlb(objPath+"/"+modelName,glbPath);
            uploadToOssUtil.upload(glbPath,glbOssPath);
            model.setModelObjUrl(objPath);
            model.setModelGlbUrl(queryPath + glbOssPath);
            model.setCreateStatus(1);  //上传成功
            this.updateById(model);
        }catch (Exception e){
            model.setCreateStatus(-1);
            this.updateById(model);
            throw e;
        }finally {
            if(newObjFile!=null){
                newObjFile.delete();
            }
        }

    }

    @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){
            throw new BusinessException(ResultCode.CASE_USE);
        }
        Model model = this.getById(modelId);
        if(model == null ){
            throw new BusinessException(ResultCode.MODEL_NOT_EXIST);
        }
        this.removeById(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);
        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);
        SceneVo sceneVo = new SceneVo();
        BeanUtils.copyProperties(model,sceneVo);
        return sceneVo;
    }
}