package com.fdkankan.sale.service.impl;

import com.fdkankan.fyun.face.FYunFileServiceInterface;
import com.fdkankan.sale.common.CacheUtil;
import com.fdkankan.sale.common.FilePath;
import com.fdkankan.sale.common.ResultCode;
import com.fdkankan.sale.exception.BusinessException;
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.UUID;

@Service
public class UploadService {

    @Autowired
    FYunFileServiceInterface fYunFileServiceInterface;


    public String uploadFile(MultipartFile file) {
        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);
        }
        File localFile = null;
        try {
            //获取文件后缀名
            String suffixName = fileName.substring(fileName.lastIndexOf("."));
            //重新生成文件名
            fileName = UUID.randomUUID().toString().replace("-","") ;

            localFile = File.createTempFile(fileName ,suffixName);
            //localFile = new File(String.format(FilePath.file_path,CacheUtil.environment,fileName +suffixName));
            if(!localFile.getParentFile().exists()){
                localFile.mkdirs();
            }
            file.transferTo(localFile);
            String ossPath = String.format(FilePath.oss_file_path,CacheUtil.environment, fileName + suffixName);
            fYunFileServiceInterface.uploadFile(localFile.getPath(),ossPath);
            return CacheUtil.host + ossPath;
        }catch (Exception e){
           e.printStackTrace();
        }finally {
            if(localFile!=null){
                localFile.delete();   //退出删除，后续需要使用文件
            }
        }
        return null;
    }


    public void deleteOssUrl(String path) {
        try {
            fYunFileServiceInterface.deleteFile(path);
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}