package com.zcloud.util;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyuncs.exceptions.ClientException;
import com.jcraft.jsch.*;

import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.util.Date;
import java.util.List;
import java.util.Vector;

import com.zcloud.entity.PageData;
import com.zcloud.service.system.FileUploadLogService;
import org.omg.CORBA.SystemException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;

@Component
public class Smb {
    @Resource
    private FileUploadLogService fileUploadLogService;

    private static String endpoint = "https://oss-cn-zhangjiakou.aliyuncs.com";
    // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
    private static String accessKeyId = "LTAI5tK134ZzXPEwykAdpVn2";
    private static String accessKeySecret = "XCEMY8FG52cXImFMeIiH4tDJ9BIN3N";
    // 填写Bucket名称。
    private static String bucketName = "qyag";

    public static void sshSftp(MultipartFile file, String fileName, String path) throws Exception {

        String objectName = "YTHFile" + path + "/" + fileName;
        // 填写本地文件的完整路径。如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {

            // 创建PutObject请求。
            ossClient.putObject(bucketName, objectName, file.getInputStream());
            // 创建PutObjectRequest对象。
            // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
            // ObjectMetadata metadata = new ObjectMetadata();
            // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
            // metadata.setObjectAcl(CannedAccessControlList.Private);
            // putObjectRequest.setMetadata(metadata);

            // 上传文件。
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (Exception ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }

    public void sshSftp(MultipartFile file, String fileName, String path, String corpId) throws Exception {

        String objectName = "YTHFile" + path + "/" + fileName;
        // 填写本地文件的完整路径。如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {

            // 创建PutObject请求。
            ossClient.putObject(bucketName, objectName, file.getInputStream());
            // 创建PutObjectRequest对象。
            // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
            // ObjectMetadata metadata = new ObjectMetadata();
            // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
            // metadata.setObjectAcl(CannedAccessControlList.Private);
            // putObjectRequest.setMetadata(metadata);

            // 上传文件。

            long fileSize = file.getSize();//单位:字节
            PageData pd = new PageData();
            pd.put("FILEUPLOADLOG_ID", UuidUtil.get32UUID());
            pd.put("CORPINFO_ID", corpId);
            pd.put("CREATTIME", DateUtil.date2Str(new Date()));
            pd.put("FILE_PATH", path + "/" + fileName);
            pd.put("FILE_SIZE", fileSize);
            fileUploadLogService.save(pd);
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (Exception ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }

    /**
     * 删除文件
     *
     * @throws SftpException
     * @throws JSchException
     */
    public static void delete(String directoryFile) throws Exception {

        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
            // 删除文件或目录。如果要删除目录，目录必须为空。
            ossClient.deleteObject(bucketName, "YTHFile" + directoryFile);
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (Exception ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }

    }

    public static void createDir(String createpath, ChannelSftp sftp) {
        try {
            if (isDirExist(createpath, sftp)) {
                sftp.cd(createpath);
            }
            String pathArry[] = createpath.split("/");
            StringBuffer filePath = new StringBuffer("/");
            for (String path : pathArry) {
                if (path.equals("")) {
                    continue;
                }
                filePath.append(path + "/");
                if (isDirExist(filePath.toString(), sftp)) {
                    sftp.cd(filePath.toString());
                } else {
                    // 建立目录
                    sftp.mkdir(filePath.toString());
                    // 进入并设置为当前目录
                    sftp.cd(filePath.toString());
                }
            }
            sftp.cd(createpath);
        } catch (SftpException e) {
            // throw new SystemException("创建路径错误：" + createpath);
        }
    }

    public static boolean isDirExist(String directory, ChannelSftp sftp) {
        boolean isDirExistFlag = false;
        try {
            SftpATTRS sftpATTRS = sftp.lstat(directory);
            isDirExistFlag = true;
            return sftpATTRS.isDir();
        } catch (Exception e) {
            if (e.getMessage().toLowerCase().equals("no such file")) {
                isDirExistFlag = false;
            }
        }
        return isDirExistFlag;
    }

    public String saveFile(MultipartFile multipartFile) throws Exception {
        return this.saveFile(multipartFile, Const.FILEPATHFILE);
    }

    public String saveFile(MultipartFile file, String cost) throws Exception {
        // 生成文件名
        String fileName = Warden.get32UUID() + file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
        // 根据项目类型生成项目文件
        String filePath;
        if ("admin".equals(Jurisdiction.getUsername())) {
            filePath = cost + "admin" + "/" + DateUtil.getDays();
        } else {
            filePath = cost + "imgFactory" + "/" + DateUtil.getDays();
        }

        // 保存文件
        this.sshSftp(file, fileName, filePath);
        // 返回文件保存目录
        return filePath + "/" + fileName;
    }

}