/*
 * Copyright (c) 2018-2999 广州市蓝海创新科技有限公司 All rights reserved.
 *
 * https://www.mall4j.com/
 *
 * 未经允许，不可做商业用途！
 *
 * 版权所有，侵权必究！
 */

package com.yami.shop.service.impl;

import cn.hutool.core.date.DateUtil;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.IdUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.BucketManager;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import com.yami.shop.bean.enums.UploadType;
import com.yami.shop.bean.model.AttachFile;
import com.yami.shop.common.bean.Qiniu;
import com.yami.shop.common.util.ImgUploadUtil;
import com.yami.shop.common.util.Json;
import com.yami.shop.dao.AttachFileMapper;
import com.yami.shop.service.AttachFileService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.Date;
import java.util.Objects;

/**
 * @author lanhai
 */
@Service
public class AttachFileServiceImpl extends ServiceImpl<AttachFileMapper, AttachFile> implements AttachFileService {

    @Autowired
    private AttachFileMapper attachFileMapper;
    @Autowired
    private UploadManager uploadManager;
    @Autowired
    private BucketManager bucketManager;
	@Autowired
	private Qiniu qiniu;
    @Autowired
    private Auth auth;
	@Autowired
	private ImgUploadUtil imgUploadUtil;
    public final static String NORM_MONTH_PATTERN = "yyyy/MM/";

	@Override
	@Transactional(rollbackFor = Exception.class)
	public String uploadFile(MultipartFile file) throws IOException {
		String extName = FileUtil.extName(file.getOriginalFilename());
		String fileName =DateUtil.format(new Date(), NORM_MONTH_PATTERN)+ IdUtil.simpleUUID() + "." + extName;
		AttachFile attachFile = new AttachFile();
		attachFile.setFilePath(fileName);
		attachFile.setFileSize(file.getBytes().length);
		attachFile.setFileType(extName);
		attachFile.setUploadTime(new Date());
		if (Objects.equals(imgUploadUtil.getUploadType(), 1)) {
			// 本地文件上传
			attachFileMapper.insert(attachFile);
			return imgUploadUtil.upload(file, fileName);
		} else {
			// 七牛云文件上传
			String upToken = auth.uploadToken(qiniu.getBucket(),fileName);
			Response response = uploadManager.put(file.getBytes(), fileName, upToken);
			Json.parseObject(response.bodyString(),  DefaultPutRet.class);
			return fileName;
		}
	}

	@Override
	public void deleteFile(String fileName){
		attachFileMapper.delete(new LambdaQueryWrapper<AttachFile>().eq(AttachFile::getFilePath,fileName));
		try {
			if (Objects.equals(imgUploadUtil.getUploadType(), UploadType.LOCAL.value())) {
				imgUploadUtil.delete(fileName);
			} else if (Objects.equals(imgUploadUtil.getUploadType(), UploadType.QINIU.value())) {
				bucketManager.delete(qiniu.getBucket(), fileName);
			}
		} catch (QiniuException e) {
			throw new RuntimeException(e);
		}
	}
}
