package cn.hellohao.service.impl;

import cn.hellohao.pojo.Keys;
import cn.hellohao.pojo.ReturnImage;
import cn.hellohao.utils.FTPUtils;
import cn.hellohao.utils.ImgUrlUtil;
import cn.hellohao.utils.Print;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.*;

@Service
public class FTPImageupload {
    static FTPClient ftpClient1 ;
    static Keys key;

    public Map<ReturnImage, Integer> ImageuploadFTP(Map<String, MultipartFile> fileMap, String username,Map<String, String> fileMap2) throws Exception {
        String[] host = key.getEndpoint().split("\\:");
        String h = host[0];
        Integer p = Integer.parseInt(host[1]);
        //创建FTP客户端，所有的操作都基于FTPClinet
        FTPUtils ftps = new FTPUtils(h, p, key.getAccessKey(), key.getAccessSecret());
        boolean flag = ftps.open();
        if(fileMap2==null){
            File file = null;
            Map<ReturnImage, Integer> ImgUrl = new HashMap<>();

            ftps.mkDir(File.separator+username);
            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());
                System.out.println("文件地址："+file.toString());
                String userkey =username + File.separator+ uuid+times + "." + entry.getKey();
                //fuzhi(file.toString(),File.separator+"tmp"+File.separator+uuid+times + "." + entry.getKey());
                if (flag) {
                    // 上传
                    //ftps.upload(File.separator+"tmp"+File.separator+uuid+times + "." + entry.getKey(), File.separator+userkey, "");
                    ftps.upload(file, File.separator+userkey, "");

                    //boolean isSet = ftp.sendSiteCommand("chmod 744 " + File.separator+userkey);//设置权限
                    ReturnImage returnImage = new ReturnImage();
                    returnImage.setImgname(entry.getValue().getOriginalFilename());
                    returnImage.setImgurl(key.getRequestAddress() + File.separator+ userkey);
                    ImgUrl.put(returnImage, (int) (entry.getValue().getSize()));

                    ftps.close();
                }

                Print.Normal("要上传的文件路径："+File.separator+userkey);
            }
            return ImgUrl;
        }else{
            Map<ReturnImage, Integer> ImgUrl = new HashMap<>();
            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();
                File file = new File(imgurl);
                String userkey =username + File.separator+ uuid+times + "." + entry.getKey();
                ftps.mkDir(File.separator+username);
                if (flag) {
                    ftps.upload(file, File.separator+userkey, "");

                    ReturnImage returnImage = new ReturnImage();
                    returnImage.setImgurl(key.getRequestAddress() + File.separator+ userkey);
                    Print.Normal("Url上传成功返回地址");
                    ImgUrl.put(returnImage, ImgUrlUtil.getFileSize2(new File(imgurl)));
                    ftps.close();
                }
                boolean bb= new File(imgurl).getAbsoluteFile().delete();
                Print.Normal("删除情况"+bb);

            }
            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FTP对象存储
    public static void Initialize(Keys k) {
        if(k.getEndpoint()!=null && k.getAccessSecret()!=null && k.getEndpoint()!=null && k.getRequestAddress()!=null ) {
            FTPClient ftp = new FTPClient();
            String[] host = k.getEndpoint().split("\\:");
            String h = host[0];
            Integer p = Integer.parseInt(host[1]);
            try {
                if(!ftp.isConnected()){
                    ftp.connect(h,p);
                }
                //如果是需要认证的服务器，就需要账号和密码来登录
                ftp.login(k.getAccessKey(), k.getAccessSecret());
            } catch (IOException e) {
                e.printStackTrace();
            }
            //获取服务器返回的状态码
            int reply = ftp.getReplyCode();
            System.out.println(reply);
            /*
             * 判断是否连接成功
             * 所有以2开头的代码是正完成响应。
             * FTP服务器将在最终发送一个肯定的完成响应成功完成命令。
             */
            if (!FTPReply.isPositiveCompletion(reply)) {
                try {
                    ftp.disconnect();
                }catch (IOException e){
                    System.out.println(e);
                }
                Print.warning("连接失败");
                return;
            }
            Print.Normal("链接成功");
            //boolean isUpload = ftp.storeFile("/ftp/upload.jpg", fis);
            ftpClient1 = ftp;
            key = k;
        }
    }
    /**
     * 客户端接口
     * */
    public Map<String, Integer> clientuploadCOS(Map<String, MultipartFile> fileMap, String username) throws Exception {
        String[] host = key.getEndpoint().split("\\:");
        String h = host[0];
        Integer p = Integer.parseInt(host[1]);
        //创建FTP客户端，所有的操作都基于FTPClinet
        FTPUtils ftps = new FTPUtils(h, p, key.getAccessKey(), key.getAccessSecret());
        boolean flag = ftps.open();
        File file = null;
        Map<String, Integer> ImgUrl = new HashMap<>();
        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());
            String userkey =username + File.separator+ uuid+times + "." + entry.getKey();
            ftps.mkDir(File.separator+username);
            if (flag) {
                ftps.upload(file, File.separator+userkey, "");
                ReturnImage returnImage = new ReturnImage();
                returnImage.setImgurl(key.getRequestAddress() + File.separator+ userkey);
                ImgUrl.put(key.getRequestAddress() + File.separator+userkey + username + File.separator+userkey + uuid+times + "." + entry.getKey(), (int) (entry.getValue().getSize()));
                ftps.close();
            }
        }
        return ImgUrl;

    }

    public static void fuzhi(String p1,String p2){
        String a=p1;//定义要进行复制的文件路径
        try{
            File afile=new File(a);
            File bfile=new File(p2);//定义一个复制后的文件路径
            bfile.createNewFile();//新建文件
            FileInputStream c=new FileInputStream(afile);//定义FileInputStream对象
            FileOutputStream d=new FileOutputStream(bfile);//定义FileOutputStream对象
            byte[] date=new byte[512];//定义一个byte数组
            int i=0;
            while((i=c.read(date))>0){//判断有没有读取到文件末尾
                d.write(date);//写数据
            }
            c.close();//关闭流
            d.close();//关闭流
            System.out.println("文件复制成功");}
        catch(IOException e){
            e.printStackTrace();
        }
    }

}