package com.travel.controller;

import cn.hutool.core.date.DateUtil;
import com.travel.util.ossFileUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;

/**
 * 上传接口
 */
@Controller
@RequestMapping("upload")
@Slf4j
@CrossOrigin
public class UploadController {

    /**
     * 上传
     * @param file 文件
     * @return 返回结果
     */
    @RequestMapping(value = "/uploadFile")
    @ResponseBody
    public Map<String, Object> upload(MultipartFile file) {
        Map<String, Object> map = new HashMap<>();
        if (!file.isEmpty()) {
            try {
                SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
                String suffix = file.getOriginalFilename()
                        .substring(file.getOriginalFilename().lastIndexOf("."));
                // 生成文件名称
                String nameSuffix = file.getOriginalFilename()
                        .substring(0, file.getOriginalFilename().lastIndexOf("."))
                        .replaceAll(" ", "_").replaceAll(",", "")
                        + format.format(DateUtil.date())
                        + new Random().nextInt(1000) + suffix;
                //上传原始图片到阿里云
                return ossFileUtil.uploadAliyun(file, nameSuffix);
            } catch (Exception e) {
                log.error("上传附件错误" + e.getMessage());
                map.put("erroMsg", "系统未知错误");
                map.put("msg", "500");
            }
        } else {
            map.put("msg", "500");
            map.put("erroMsg", "文件不能为空");
        }
        return map;
    }

    /**
     * 删除文件
     * @param fileName 文件名称
     * @return 返回结果
     */
    @RequestMapping(value = "/delUpload")
    @ResponseBody
    public Map<String, Object> delUpload(String fileName) {
        Map<String, Object> map = new HashMap<>();
        if (!fileName.isEmpty()) {
            try {
                //删除文件
                return ossFileUtil.delUploadAliyun(fileName);
            } catch (Exception e) {
                log.error("上传附件错误" + e.getMessage());
                map.put("erroMsg", "系统未知错误");
                map.put("msg", "500");
            }
        } else {
            map.put("msg", "500");
            map.put("erroMsg", "文件不能为空");
        }
        return map;
    }
}