package com.ycl.utils;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.InputStream;
import java.util.UUID;

@Component
public class AliyunUtils {
    private static String endpoint;
    private static String keyId;
    private static String keySecret;
    private static String bucketName;

    @Value("${aliyun.oss.endpoint}")
    public void setEndpoint(String endpoint) {
        AliyunUtils.endpoint = endpoint;
    }
    @Value("${aliyun.oss.keyId}")
    public void setKeyId(String keyId) {
        AliyunUtils.keyId = keyId;
    }
    @Value("${aliyun.oss.keySecret}")
    public void setKeySecret(String keySecret) {
        AliyunUtils.keySecret = keySecret;
    }
    @Value("${aliyun.oss.bucketName}")
    public void setBucketName(String bucketName) {
        AliyunUtils.bucketName = bucketName;
    }

    public static String upload(InputStream inputStream, String orginalFileName){
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, keyId, keySecret);
        // 文件名
        String fileName = UUID.randomUUID().toString();
        //文件扩展名
        String fileExtention = orginalFileName.substring(orginalFileName.lastIndexOf("."));
        //最终的路径 类似avatar/2021/12/05/xxxxxxxxx.jpg
        String objectName = fileName+fileExtention;
        ossClient.putObject(bucketName, objectName, inputStream);
        // 关闭OSSClient。
        ossClient.shutdown();
        return "https://"+bucketName+"."+endpoint+"/"+objectName;
    }

    public static void delete(String link){
        if (link == null || link.equals("")) {
            return;
        }

        OSS ossClient = new OSSClientBuilder().build(endpoint, keyId, keySecret);
        try {
            ossClient.deleteObject(bucketName, link);
        } 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 (ClientException 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();
            }
        }
    }



}