package cn.hellohao.service.impl;

import cn.hellohao.pojo.Keys;
import cn.hellohao.pojo.ReturnImage;
import cn.hellohao.pojo.UploadConfig;
import cn.hellohao.utils.ImgUrlUtil;
import com.UpYun;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.ObjectMetadata;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

@Service
public class USSImageupload {
    static UpYun upyun;
    static Keys key;

    public Map<ReturnImage, Integer> ImageuploadUSS(Map<String, MultipartFile> fileMap, String username,Map<String, String> fileMap2) throws Exception {
        if(fileMap2==null){
            File file = null;
            Map<ReturnImage, Integer> ImgUrl = new HashMap<>();
            //设置Header
            ObjectMetadata meta = new ObjectMetadata();
            meta.setHeader("Content-Disposition", "inline");
            for (Map.Entry<String, MultipartFile> entry : fileMap.entrySet()) {
                String uuid = UUID.randomUUID().toString().replace("-", "").toLowerCase().substring(0,5);//生成一个没有-的uuid，然后取前5位
                java.text.DateFormat format1 = new java.text.SimpleDateFormat("MMddhhmmss");
                String times = format1.format(new Date());
                file = changeFile(entry.getValue());
                // 上传文件流。
                System.out.println("待上传的图片："+username + "/" + uuid+times + "." + entry.getKey());
                // 例2：采用数据流模式上传文件（节省内存）,自动创建父级目录
                upyun.setContentMD5(UpYun.md5(file));
                boolean result = upyun.writeFile(username + "/" + uuid+times + "." + entry.getKey(), file, true);
                if(result){
                    ReturnImage returnImage = new ReturnImage();
                    returnImage.setImgname(entry.getValue().getOriginalFilename());
                    returnImage.setImgurl(key.getRequestAddress() + "/" + username + "/" + uuid+times + "." + entry.getKey());
                    ImgUrl.put(returnImage, (int) (entry.getValue().getSize()));
                }else{
                    System.err.println("上传失败");
                }

            }
            return ImgUrl;
        }else{
            Map<ReturnImage, Integer> ImgUrl = new HashMap<>();
            //设置Header
            ObjectMetadata meta = new ObjectMetadata();
            meta.setHeader("Content-Disposition", "inline");
            for (Map.Entry<String, String> entry : fileMap2.entrySet()) {
                String uuid = UUID.randomUUID().toString().replace("-", "").toLowerCase().substring(0,5);//生成一个没有-的uuid，然后取前5位
                java.text.DateFormat format1 = new java.text.SimpleDateFormat("MMddhhmmss");
                String times = format1.format(new Date());
                String imgurl = entry.getValue();
                // 上传文件流。
                System.out.println("待上传的图片："+username + "/" + uuid+times + "." + entry.getKey());
                // 例2：采用数据流模式上传文件（节省内存）,自动创建父级目录
                upyun.setContentMD5(UpYun.md5(new File(imgurl)));
                boolean result = upyun.writeFile(username + "/" + uuid+times + "." + entry.getKey(), new File(imgurl), true);
                if(result){
                    ReturnImage returnImage = new ReturnImage();
                    returnImage.setImgurl(key.getRequestAddress() + "/" + username + "/" + uuid+times + "." + entry.getKey());
                    ImgUrl.put(returnImage, ImgUrlUtil.getFileSize2(new File(imgurl)));
                }else{
                    System.err.println("上传失败");
                }
                new File(imgurl).delete();
            }
            return ImgUrl;
        }

    }

    // 转换文件方法
    private File changeFile(MultipartFile multipartFile) throws Exception {
        // 获取文件名
        String fileName = multipartFile.getOriginalFilename();
        // 获取文件后缀
        String prefix = fileName.substring(fileName.lastIndexOf("."));
        // todo 修改临时文件文件名
        File file = File.createTempFile(fileName, prefix);
        // MultipartFile to File
        multipartFile.transferTo(file);
        return file;
    }

    //初始化
    public static Integer Initialize(Keys k) {
        int ret = -1;
        if(k.getEndpoint()!=null && k.getAccessSecret()!=null
                && k.getBucketname()!=null && k.getRequestAddress()!=null ) {
            if(!k.getEndpoint().equals("") && !k.getAccessSecret().equals("")
                    && !k.getBucketname().equals("") && !k.getRequestAddress().equals("") ) {
                // 初始化
                // 创建UpYun实例。
                upyun = new UpYun(k.getBucketname(), k.getAccessKey(), k.getAccessSecret());
                key = k;
                ret = 1;
            }
        }
        return ret;
    }


    /**
     * 客户端接口
     * */
    public Map<ReturnImage, Integer> clientuploadUSS(Map<String, MultipartFile> fileMap, String username, UploadConfig uploadConfig) throws Exception {
        File file = null;
        Map<ReturnImage, Integer> ImgUrl = new HashMap<>();
        //设置Header
        ObjectMetadata meta = new ObjectMetadata();
        meta.setHeader("Content-Disposition", "inline");
        for (Map.Entry<String, MultipartFile> entry : fileMap.entrySet()) {
            String uuid = UUID.randomUUID().toString().replace("-", "").toLowerCase().substring(0,5);//生成一个没有-的uuid，然后取前5位
            java.text.DateFormat format1 = new java.text.SimpleDateFormat("MMddhhmmss");
            String times = format1.format(new Date());
            file = changeFile(entry.getValue());
            // 上传文件流。
            System.out.println("客户端：待上传的图片："+username + "/" + uuid+times + "." + entry.getKey());
            ReturnImage returnImage = new ReturnImage();
            if(entry.getValue().getSize()/1024<=uploadConfig.getFilesizeuser()*1024){
                // 例2：采用数据流模式上传文件（节省内存）,自动创建父级目录
                upyun.setContentMD5(UpYun.md5(file));
                boolean result = upyun.writeFile(username + "/" + uuid+times + "." + entry.getKey(), file, true);
                if(result){
                    returnImage.setImgname(entry.getValue().getOriginalFilename());
                    returnImage.setImgurl(key.getRequestAddress() + "/" + username + "/" + uuid+times + "." + entry.getKey());
                    ImgUrl.put(returnImage, (int) (entry.getValue().getSize()));

                    //ImgUrl.put(key.getRequestAddress() + "/" + username + "/" + uuid+times + "." + entry.getKey(), (int) (entry.getValue().getSize()));
                }else{
                    System.err.println("上传失败");
                }
            }else{
                returnImage.setImgname(entry.getValue().getOriginalFilename());
                returnImage.setImgurl("文件超出系统设定大小，不得超过");
                ImgUrl.put(returnImage, -1);
            }
        }
        return ImgUrl;
    }


}