package com.fdkankan.scene.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fdkankan.common.constant.ErrorCode;
import com.fdkankan.common.exception.BusinessException;
import com.fdkankan.common.user.SSOLoginHelper;
import com.fdkankan.common.user.SSOUser;
import com.fdkankan.common.util.BASE64DecodedMultipartFile;
import com.fdkankan.common.util.FileUtil;
import com.fdkankan.fyun.oss.UploadFilePath;
import com.fdkankan.fyun.oss.UploadToOssUtil;
import com.fdkankan.scene.entity.SceneUpload;
import com.fdkankan.scene.mapper.ISceneUploadMapper;
import com.fdkankan.scene.service.ISceneUploadService;
import org.apache.commons.lang3.StringUtils;
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;

import javax.annotation.Resource;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author 
 * @since 2022-01-19
 */
@Service
public class SceneUploadServiceImpl extends ServiceImpl<ISceneUploadMapper, SceneUpload> implements ISceneUploadService {

    @Resource
    UploadToOssUtil uploadToOssUtil;
    @Value("${oss.point:http://oss-cn-shenzhen-internal.aliyuncs.com}")
    private String point;

    @Value("${oss.key:LTAIUrvuHqj8pvry}")
    private String key;

    @Value("${oss.secrey:JLOVl0k8Ke0aaM8nLMMiUAZ3EiiqI4}")
    private String secrey;

    @Value("${oss.bucket:4dkankan}")
    private String bucket;

    @Autowired
    private SSOLoginHelper ssoLoginHelper;

    @Override
    public String uploads(String imgData,String fileName,MultipartFile[] files,String sceneCode,Integer type,String token) throws Exception{
        SSOUser ssoUser = ssoLoginHelper.loginCheck(token);
//        if(ssoUser == null ){
//            throw new BusinessException(ErrorCode.USER_NOT_LOGIN);
//        }
        Long userId = ssoUser == null ? null :ssoUser.getId();

        List<MultipartFile> multipartFiles = new ArrayList<>();
        if(StringUtils.isNotBlank(imgData)){
            MultipartFile file = BASE64DecodedMultipartFile.base64ToMultipart(imgData);
            multipartFiles.add(file);
        }
        if(files !=null && files.length >0){
            multipartFiles.addAll(Arrays.asList(files));
        }
        return this.uploadFiles(fileName,multipartFiles,sceneCode,type,userId);
    }

    public String uploadFiles(String sendFileName,List<MultipartFile> files, String sceneCode, Integer type,Long userId) throws Exception{
        if (StringUtils.isEmpty(sceneCode) || files == null || files.size() <= 0) {
            throw new BusinessException(ErrorCode.MISSING_REQUIRED_PARAMETERS);
        }
        List<String> urlList = new ArrayList<>();
        String prefix ="";
        for (MultipartFile file : files) {
            String fileName = file.getOriginalFilename();
            if(StringUtils.isNotBlank(prefix) && !prefix.equals(fileName.substring(fileName.lastIndexOf(".")))){
                throw new BusinessException(-1,"文件类型不一致");
            }
            // 获取文件后缀
            prefix = fileName.substring(fileName.lastIndexOf("."));
        }
        if(type != null && 1 == type){
            this.updateFileByPreFix(sceneCode,prefix);
        }
        for (MultipartFile file : files) {
            String fileName = file.getOriginalFilename();
            // 获取文件后缀
            prefix = fileName.substring(fileName.lastIndexOf("."));
            File newFile = File.createTempFile(UUID.randomUUID().toString() ,prefix);
            file.transferTo(newFile);
            String realFileName = fileName;
            if(files.size() ==1 && StringUtils.isNotBlank(sendFileName)){
                realFileName = sendFileName ;
            }
            String ossPath = String.format(UploadFilePath.USER_EDIT_PATH ,sceneCode) + realFileName;
            try {
                uploadToOssUtil.upload2(newFile.getPath(),ossPath);
            }catch (Exception e){
                log.error(ossPath+"上传文件失败"+e);
                throw new BusinessException(-1,"上传文件失败");
            }
            //String url =String.format("http://%s.%s/%s", bucket, point.replace("http://",""), ossPath);
            urlList.add(realFileName);

            FileUtil.delFile(newFile.getPath());
            //添加记录
            this.saveData(sceneCode,ossPath,prefix,userId);
        }
        StringBuilder returnString = new StringBuilder();
        for (String res : urlList) {
            if(StringUtils.isNotBlank(returnString)){
                returnString.append(",");
            }
            returnString.append(res);
        }
        return returnString.toString();
    }

    private void updateFileByPreFix(String sceneCode, String prefix) {
        LambdaQueryWrapper<SceneUpload> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(SceneUpload::getSceneCode,sceneCode)
                .eq(SceneUpload::getFilePrefix,prefix)
                .eq(SceneUpload::getTbStatus,0);
        List<SceneUpload> list = this.list(queryWrapper);

        if(list != null && list.size() >0){
            for (SceneUpload sceneUpload : list) {
                try {
                    uploadToOssUtil.delete(sceneUpload.getFileName());
                    this.removeEntity(sceneUpload);
                }catch (Exception e){
                    log.error(sceneUpload.getFileName()+"删除oss文件失败",e);
                }
            }
        }
    }

    private void removeEntity(SceneUpload sceneUpload) {
        sceneUpload.setTbStatus(1);
        this.updateById(sceneUpload);
    }

    private void saveData(String sceneCode, String ossPath, String prefix,Long userId) {
        SceneUpload sceneUpload = new SceneUpload();
        sceneUpload.setSceneCode(sceneCode);
        sceneUpload.setFileName(ossPath);
        sceneUpload.setFilePrefix(prefix);
        sceneUpload.setUploadUser(userId.toString());
        this.save(sceneUpload);
    }

}