package com.zcloud.util;

import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.IORuntimeException;
import org.springframework.web.multipart.MultipartFile;

/**
 * 文件上传工具类
 * 变更文件上传方式，原上传方式可能会导致附件丢失
 * 修改后逻辑：点击上传 -> 调后端接口返回临时文件路径 -> 提交-> 临时文件拷贝到正式，保存正式文件地址 -> 定期清空临时文件
 * @date 2024-9-10
 * @author hyx
 * @version V1.0
 */
public class FileUploadUtil {

    private final static String PATH_PREFIX = "/mnt/vdc1/qask/file";  //服务器路径前缀
    private final static String TEMPORARY_FILE_PATH = "/uploadFiles/linshi/";  //临时文件储存路径
    private final static String PRODUCT_FILE_PATH = "/uploadFiles/yhtp/";  //正式文件储存路径
    /**
     * 上传文件到服务器临时地址
     *
     * @param file 文件
     * @param CORPINFO_ID 企业id
     * @return 文件临时路径
     * @throws Exception
     * @date 2024-9-10
     * @author hyx
     */
    public static String uploadTemporaryFile(MultipartFile file,String CORPINFO_ID) throws Exception {
        String  ffile = DateUtil.getDays();
        String fileName = UuidUtil.get32UUID()+file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
        try {
            Smb.sshSftp(file,fileName,TEMPORARY_FILE_PATH + CORPINFO_ID + "/" + ffile);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        return TEMPORARY_FILE_PATH + CORPINFO_ID+ "/" + ffile + "/" + fileName;
    }

    /**
     * 临时文件拷贝到正式
     *
     * @param temporaryFilePath 临时文件路径
     * @param CORPINFO_ID 企业id
     * @return 不含路径前缀的正式文件路径
     * @throws Exception
     * @date 2024-9-10
     * @author hyx
     */
    public static String copyTemporaryFileToProduct(String temporaryFilePath,String CORPINFO_ID) throws Exception {
        //临时文件在服务器的完整路径
        String completeTemporaryPath = PATH_PREFIX + temporaryFilePath;
        //截取文件名
        String fileName = completeTemporaryPath.substring(completeTemporaryPath.lastIndexOf("")).replace("/","");
        //正式文件完整路径
        String completeProductPath = PATH_PREFIX + PRODUCT_FILE_PATH + CORPINFO_ID + "/" + DateUtil.getDays() + "/";
        //临时文件拷贝到正式路径
        try {
            FileUtil.copy(completeTemporaryPath,completeProductPath,true);
        } catch (IORuntimeException e) {
            throw new RuntimeException(e);
        }
        return PRODUCT_FILE_PATH + fileName;
    }


}