package com.cnd3b.utility.aliyun.oss;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.HttpMethod;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.*;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.exceptions.ServerException;
import com.aliyuncs.mts.model.v20140618.SubmitJobsRequest;
import com.aliyuncs.mts.model.v20140618.SubmitJobsResponse;
import com.aliyuncs.mts.model.v20140618.SubmitMediaInfoJobRequest;
import com.aliyuncs.mts.model.v20140618.SubmitMediaInfoJobResponse;
import com.aliyuncs.profile.DefaultProfile;
import com.cnd3b.common.parameter.parameter;
import org.apache.commons.lang.exception.ExceptionUtils;

import java.io.ByteArrayInputStream;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.sql.Date;
import java.util.ArrayList;
import java.util.Base64;
import java.util.List;


public class AliyunOSSUtil {

    //仓库名称-培训学习
//    public static final String BUCKE_NAME_1 = "jssx";
    //仓库名称-培训学习测试用
    public static final String BUCKE_NAME_1 = parameter.oss_bucke_name();
    //地域节点
    public static final String END_POINT = "oss-cn-hangzhou.aliyuncs.com";
    //AccessKey ID 阿里云AccessKey
    public static final String AccessKey_ID = "LTAI5t5mBLk8DbrVNZuQFPCP";
    //Access Key Secret 阿里云Secret
    public static final String AccessKey_Secret = "KWZjSffg8LuVMXWYP7LMeV4qCGm9x0";
    //外网访问
    public static final String file_url = BUCKE_NAME_1 + "." + END_POINT;

    /**
     * 创建文件夹,路径以反斜杠结尾:test/
     *
     * @return
     */
    public static void createFolder(String filePath) {
        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        ossClient.putObject(new PutObjectRequest(BUCKE_NAME_1, filePath, new ByteArrayInputStream("".getBytes())));
        ossClient.shutdown();


    }

    /**
     * 删除文件夹(OSS)
     *
     * @return
     */
    public static void deleteFolders(JSONArray jsonArray) {
        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        ArrayList<String> keysList = new ArrayList<>();
        for (Object obj : jsonArray) {
            keysList.add(obj.toString());
        }
        DeleteObjectsRequest request = new DeleteObjectsRequest(BUCKE_NAME_1);
        request.setKeys(keysList);
        // 发起deleteObjects请求。
        DeleteObjectsResult delObjResult = ossClient.deleteObjects(request);
        // 查看删除结果。
        for (String o : delObjResult.getDeletedObjects()) {
            String keyName = null;
            try {
                keyName = URLDecoder.decode(o, "UTF-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            System.out.println("delete key name: " + keyName);
        }
        ossClient.shutdown();

    }

    /**
     * 上传文件
     *
     * @param folderPath 上传路径 :test/
     * @param filename   文件名称 ：1.txt
     * @param base64Str  base64字符串
     * @return
     */
    public static String uploadFile(String folderPath, String filename, String base64Str) {

        byte[] byteStr = Base64.getDecoder().decode(base64Str);
        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        String key = folderPath + filename;
        ossClient.putObject(new PutObjectRequest(BUCKE_NAME_1, key, new ByteArrayInputStream(byteStr)));
        ossClient.shutdown();

        return file_url + "/" + key;

    }

    /**
     * 删除文件(OSS)
     *
     * @return
     */
    public static void deleteFiles(JSONArray jsonArray) {
        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        List<String> keysList = new ArrayList<>();
        for (Object obj : jsonArray) {
            keysList.add(obj.toString());
        }
        DeleteObjectsRequest request = new DeleteObjectsRequest(BUCKE_NAME_1);
        request.setKeys(keysList);
        // 发起deleteObjects请求。
        DeleteObjectsResult delObjResult = ossClient.deleteObjects(request);

        // 查看删除结果。
        for (String o : delObjResult.getDeletedObjects()) {
            String keyName = null;
            try {
                keyName = URLDecoder.decode(o, "UTF-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            System.out.println("delete key name: " + keyName);
        }

        ossClient.shutdown();

    }


    /**
     * 获取下级目录 filepath
     *
     * @return
     */
    public static String getFolders(String filepath) {
        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        // 构造ListObjectsRequest请求。
        ListObjectsRequest listObjectsRequest = new ListObjectsRequest(BUCKE_NAME_1);
        // 设置正斜线（/）为文件夹的分隔符。
        listObjectsRequest.setDelimiter("/");
        // 列出fun目录下的所有文件和文件夹。
        listObjectsRequest.setPrefix(filepath);
        ObjectListing listing = ossClient.listObjects(listObjectsRequest);

        // 遍历所有commonPrefix。
        ArrayList<String> commonPrefixList = new ArrayList<>();
        for (String commonPrefix : listing.getCommonPrefixes()) {


            commonPrefixList.add(commonPrefix);
        }
        // 关闭OSSClient。
        ossClient.shutdown();

        JSONObject object = new JSONObject();
        object.put("folder", commonPrefixList);


        return object.toJSONString();
    }

//    /**
//     * 获取所有文件夹
//     *
//     * @return
//     */
//    public static String getAllFolders() {
//        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
//        // 构造ListObjectsRequest请求。
//        ListObjectsRequest listObjectsRequest = new ListObjectsRequest(BUCKE_NAME_1);
//        // 列举文件。
//        ObjectListing listing = ossClient.listObjects(listObjectsRequest);
//        //遍历所有文件。
//        ArrayList<String> commonPrefixList = new ArrayList<>();
//        for (OSSObjectSummary objectSummary : listing.getObjectSummaries()) {
////            System.out.println(objectSummary.getKey());
//            if (objectSummary.getKey().endsWith("/")) {
//                String key = objectSummary.getKey();
//                commonPrefixList.add(key);
//
//
//            }
//
//        }
//        JSONObject object = new JSONObject();
//        object.put("folder", commonPrefixList);
//
//        // 关闭OSSClient。
//        ossClient.shutdown();
//
//        return object.toJSONString();
//    }

    /**
     * 获取指定目录下的文件和文件夹
     *
     * @return
     */
    public static String getFilesOfPath(String folderPath) {
        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        // 构造ListObjectsRequest请求。
        ListObjectsRequest listObjectsRequest = new ListObjectsRequest(BUCKE_NAME_1);
        // 设置正斜线（/）为文件夹的分隔符。
        listObjectsRequest.setDelimiter("/");
        // 列出fun目录下的所有文件和文件夹。
        listObjectsRequest.setPrefix(folderPath);
        ObjectListing listing = ossClient.listObjects(listObjectsRequest);
        // 遍历所有文件。
        List<JSONObject> objectSummaryList = new ArrayList<>();
        for (OSSObjectSummary objectSummary : listing.getObjectSummaries()) {
            if (!objectSummary.getKey().equals(folderPath)) {
                JSONObject object = new JSONObject();
                object.put("key", objectSummary.getKey());
                object.put("name", objectSummary.getKey().replace(folderPath, ""));
                object.put("size", objectSummary.getSize() / 1024);
                object.put("time", objectSummary.getLastModified());
                object.put("url", file_url + "/" + objectSummary.getKey());
                objectSummaryList.add(object);
            }
        }

        // 遍历所有commonPrefix。
        List<JSONObject> commonPrefixList = new ArrayList<>();
        for (String commonPrefix : listing.getCommonPrefixes()) {
            JSONObject object = new JSONObject();
            object.put("folderpath", commonPrefix);
            commonPrefixList.add(object);
        }
        // 关闭OSSClient。
        ossClient.shutdown();

        JSONObject object = new JSONObject();
        object.put("files", objectSummaryList);
        object.put("folder", commonPrefixList);
        return object.toJSONString();
    }

    /**
     * 获取oss文档预览url 60分钟，需要开通【智能媒体管理 IMM】并在oss下面配置
     *
     * @return
     */
    public static String getOssPreviewUrl(String key) {
        OSS ossClient = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        // 填写请求预览的文档完整路径，完整路径中不包含Bucket名称。
        // 设置样式，样式中包含文档预览参数。
        String style = "imm/previewdoc,copy_1";
        // 指定生成的签名URL过期时间，最大值为15分钟。本示例指定生成的签名URL过期时间为10分钟。
        Date expiration = new Date(System.currentTimeMillis() + 1000 * 60 * 60);
        GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(BUCKE_NAME_1, key, HttpMethod.GET);
        req.setExpiration(expiration);
        req.setProcess(style);
        URL signedUrl = ossClient.generatePresignedUrl(req);
        System.out.println(signedUrl);
        // 关闭OSSClient。
        ossClient.shutdown();

        JSONObject object = new JSONObject();
        object.put("url", signedUrl.toString());

        return object.toJSONString();
    }


//    public static void main(String[] args) {
//
//        //创建文件夹
//        AliyunOSSUtil.createFolder("test1/");
//        AliyunOSSUtil.createFolder("test2/");
//        //批量删除文价夹
//        JSONArray jsonArray = new JSONArray();
//        jsonArray.add("test1/");
//        jsonArray.add("test2/");
//        AliyunOSSUtil.deleteFolders(jsonArray);
////        //上传文件
//        AliyunOSSUtil.uploadFile("", "1.txt", "");
//        AliyunOSSUtil.uploadFile("test2/", "1.txt", "");
//        //批量删除文价夹
//        JSONArray jsonArray2 = new JSONArray();
//        jsonArray2.add("test1/1.txt");
//        jsonArray2.add("test2/1.txt");
//        AliyunOSSUtil.deleteFiles(jsonArray2);
//
//        //获取下级目录
//        getFolders("");
//        //获取所有目录
//        getAllFolders();
//        //获取指定目录下的文件和文件夹
//        getFilesOfPath("资料中心/");
//        //获取oss文档预览url 60分钟，需要开通【智能媒体管理 IMM】并在oss下面配置
//        getOssPreviewUrl("1.tx");
//
//    }


    private static final String ossBucket = BUCKE_NAME_1;
    private static final String ossLocation = "oss-cn-hangzhou";
    private static final String REGION = "cn-hangzhou";
    private static final String mpsRegionId = "cn-hangzhou";
    private static final String mtsEndpoint = "mts." + mpsRegionId + ".aliyuncs.com";
    private static DefaultAcsClient aliyunClient;
    private static final String pipelineId = "3852035b69474d508167f2af72d9dce4";
    private static final String accessKeyId = AccessKey_ID;
    private static final String accessKeySecret = AccessKey_Secret;


    /**
     * 调用本接口之后媒体处理服务会对输入文件进行媒体信息分析，返回输入文件的媒体信息。您可以通过查询媒体信息作业接口得到媒体信息分析结果。
     *
     * @param Object
     * @return
     */
    public static String submitMediaInfoJob(String Object) {

        JSONObject jsonObject = new JSONObject();
        jsonObject.put("Bucket", ossBucket);
        jsonObject.put("Location", ossLocation);
        jsonObject.put("Object", Object);
        String json = jsonObject.toJSONString();


        try {
            DefaultProfile.addEndpoint(REGION, REGION, "Mts", mtsEndpoint);
        } catch (ClientException e) {
            System.out.print(ExceptionUtils.getStackTrace(e));
            System.exit(1);
        }
        aliyunClient = new DefaultAcsClient(DefaultProfile.getProfile(REGION, accessKeyId, accessKeySecret));

        SubmitMediaInfoJobRequest request = new SubmitMediaInfoJobRequest();
        request.setInput(json);
        request.setPipelineId(pipelineId);

        try {
            SubmitMediaInfoJobResponse response = aliyunClient.getAcsResponse(request);
            return JSONObject.toJSONString(response);
        } catch (ClientException e) {
            e.printStackTrace();
        }
        return "";

    }

    public static void transcoding(String TemplateId, String ossInputObject, String ossOutputObject) {
        // 创建DefaultAcsClient实例并初始化
        DefaultProfile profile = DefaultProfile.getProfile(
                mpsRegionId,      // 地域ID
                accessKeyId,      // RAM账号的AccessKey ID
                accessKeySecret); // RAM账号Access Key Secret
        IAcsClient client = new DefaultAcsClient(profile);
        // 创建API请求并设置参数
        SubmitJobsRequest request = new SubmitJobsRequest();
        // Input
        JSONObject input = new JSONObject();
        input.put("Location", ossLocation);
        input.put("Bucket", ossBucket);
        try {
            input.put("Object", URLEncoder.encode(ossInputObject, "utf-8"));
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("input URL encode failed");
        }
        request.setInput(input.toJSONString());
        // Output
        String outputOSSObject;
        try {
            outputOSSObject = URLEncoder.encode(ossOutputObject, "utf-8");
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("output URL encode failed");
        }
        JSONObject output = new JSONObject();
        output.put("OutputObject", outputOSSObject);
        // Ouput->Container
//        JSONObject container = new JSONObject();
//        container.put("Format", "mp4");
//        output.put("Container", container.toJSONString());
        // Ouput->Video
//        JSONObject video = new JSONObject();
//        video.put("Codec", "H.264");
//        video.put("Bitrate", "1500");
//        video.put("Width", "1280");
//        video.put("Fps", "25");
//        output.put("Video", video.toJSONString());
        // Ouput->Audio
//        JSONObject audio = new JSONObject();
//        audio.put("Codec", "AAC");
//        audio.put("Bitrate", "128");
//        audio.put("Channels", "2");
//        audio.put("Samplerate", "44100");
//        output.put("Audio", audio.toJSONString());
        // Ouput->TemplateId
        output.put("TemplateId", TemplateId);
        JSONArray outputs = new JSONArray();
        outputs.add(output);
        request.setOutputs(outputs.toJSONString());
        request.setOutputBucket(ossBucket);
        request.setOutputLocation(ossLocation);
        // PipelineId
        request.setPipelineId(pipelineId);
        // 发起请求并处理应答或异常
        SubmitJobsResponse response;

        try {
            response = client.getAcsResponse(request);
            System.out.println("RequestId is:" + response.getRequestId());
            if (response.getJobResultList().get(0).getSuccess()) {
                System.out.println("JobId is:" + response.getJobResultList().get(0).getJob().getJobId());
            } else {
                System.out.println("SubmitJobs Failed code:" + response.getJobResultList().get(0).getCode() +
                        " message:" + response.getJobResultList().get(0).getMessage());
            }
        } catch (ServerException e) {
            e.printStackTrace();
        } catch (ClientException e) {
            e.printStackTrace();
        }


    }

    public static List<String> getOssFileList(String folderPath) {
        OSS client = new OSSClientBuilder().build(END_POINT, AccessKey_ID, AccessKey_Secret);
        // 构造ListObjectsRequest请求。
        ListObjectsRequest listObjectsRequest = new ListObjectsRequest(BUCKE_NAME_1);
        // 设置prefix参数来获取fun目录下的所有文件。
        listObjectsRequest.setPrefix(folderPath);
        // 递归列举目录下的所有文件。
        ObjectListing listing = client.listObjects(listObjectsRequest);
        // 遍历所有文件。
        List<String> keysList = new ArrayList<>();
        for (OSSObjectSummary objectSummary : listing.getObjectSummaries()) {
            if (!objectSummary.getKey().endsWith("/")) {
                String key = objectSummary.getKey();
//                System.err.println(key);
                keysList.add(key);
            }
        }
        client.shutdown();

        return keysList;
    }


}