package com.poteviohealth.cgp.statistics.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.poteviohealth.cgp.common.model.VaultsResponse;
import com.poteviohealth.cgp.common.utils.CgpTool;
import com.poteviohealth.cgp.common.utils.FingerImage;
import lombok.extern.log4j.Log4j2;
import org.apache.commons.io.FileUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 阿里云图片上传工具类
 * @author Qin
 */
@Component
@Log4j2
public class OssUtils {

    @Value("${aliyun.oss.accessKeyId}")
    private String accessKeyId;

    @Value("${aliyun.oss.accessKeySecret}")
    private String secretAccessKey;

    @Value("${aliyun.oss.endpoint}")
    private String endPoint;

    @Value("${aliyun.oss.internetpoint}")
    private String internetpoint;

    @Value("${aliyun.oss.bucketName}")
    private String bucketName;

    @Value("${aliyun.oss.dir}")
    private String dir;
    public VaultsResponse<String> uploadOneFile(MultipartFile dto, Long orderId) {
        try {
            return uploadOneFile(dto.getOriginalFilename(),orderId,dto.getInputStream());
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }


    public VaultsResponse<String> uploadOneFile(String filename, Long orderId,InputStream inputStream) {
        // 创建OSSClient实例。

        log.info("开始上传===");
        OSS ossClient = new OSSClientBuilder().build(endPoint, accessKeyId, secretAccessKey);
        try {
            log.info("fileName==="+filename);
            //设置文件名
                Integer pos = filename.lastIndexOf('.');
                String suffix = "";
                if (pos != -1) {
                    suffix = filename.substring(pos);
                }

            SimpleDateFormat format = new SimpleDateFormat("yyMM");
            String dirStr = dir+format.format(new Date());
                String fileName = dirStr+"/S"+orderId+"N-"+ CgpTool.generateUUID() +suffix;
                // 创建PutObject请求。
                ossClient.putObject(bucketName, fileName, inputStream);
                String url = "https://" + bucketName + "." + internetpoint + "/" + fileName;
                // System.out.println(url);
            log.info("结束上传===");
               return VaultsResponse.success(url);

        } catch (Exception e) {
            e.printStackTrace();
            return null;
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }

    public boolean deleteFile(String fileUrl) {

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endPoint, accessKeyId, secretAccessKey);
        /** oss删除文件是根据文件完成路径删除的，但文件完整路径中不能包含Bucket名称。
         * 比如文件路径为：http://edu-czf.oss-cn-guangzhou.aliyuncs.com/2022/08/abc.jpg",
         * 则完整路径就是：2022/08/abc.jpg
         */
        int begin = ("https://" + bucketName + "." + internetpoint + "/").length(); //找到文件路径的开始下标
        String deleteUrl = fileUrl.substring(begin);

        try {
            // 删除文件请求
            ossClient.deleteObject(bucketName, deleteUrl);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }

    public File compressVideo(File inputFile) {
        log.info("视频压缩开始==="+inputFile.getName());
        try {

            // 创建ProcessBuilder对象
            log.info("输入路径==="+inputFile.getAbsolutePath());
            // 等待命令执行完成
            String outName = "out"+CgpTool.generateUUID()+".mp4";
            String command = "ffmpeg -i " + inputFile.getAbsolutePath() + "  -r 15  -b:v 600k  -s 720x1280  -ss 00:00:00  -t 00:00:15  "+ outName;
            log.info("压缩方式==="+command);
            ProcessBuilder  pb = new ProcessBuilder("ffmpeg","-i",inputFile.getAbsolutePath(),"-r","15","-b:v","600k","-s","720x1280","-ss","00:00:00","-t","00:00:15",outName);
            pb.redirectErrorStream(true);
            pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
            Process process = pb.start();
            process.waitFor();
            log.info("视频压缩完成===");
            return new File(outName);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e){
            e.printStackTrace();
        }

        return null;
    }

    /**
     * 获取指定的视频文件后进行封面截图为jpg
     */
    public File generateCover(File inputFile) {
        log.info("视频截图开始==="+inputFile.getName());
        try {
            // 创建ProcessBuilder对象
            log.info("输入路径==="+inputFile.getAbsolutePath());
            // 截图保存位置
            String outName = "out"+CgpTool.generateUUID()+".jpg";
            String command = "ffmpeg -sseof -1 -i " + inputFile.getAbsolutePath() + "  -vframes  1 "+ outName;
            log.info("封面截图方式==="+command);
            ProcessBuilder  pb = new ProcessBuilder("ffmpeg","-sseof","-1","-i",inputFile.getAbsolutePath(),"-vframes","1",outName);
            pb.redirectErrorStream(true);
            pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
            Process process = pb.start();
            process.waitFor();
            log.info("封面截图完成===");
            return new File(outName);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e){
            e.printStackTrace();
        }

        return null;
    }

    /**
     * 获取文件
     * @param fileUrl
     * @return
     */
    public String getFileFinger(String fileUrl) {

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endPoint, accessKeyId, secretAccessKey);

        try {
            String url = fileUrl.replace("https://ptsubsidy.oss-cn-beijing.aliyuncs.com/", "");
            InputStream inputStream = ossClient.getObject(bucketName, url).getObjectContent();
            if(url.indexOf("mp4") != -1){
                File tempFile = File.createTempFile("temp_", ".mp4");
                FileUtils.copyInputStreamToFile(inputStream, tempFile);
                File file = this.generateCover(tempFile);
                tempFile.delete();
                String val = FingerImage.readImagePix(file);
                file.delete();
                return val;
            }

            return FingerImage.readImagePix(inputStream);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}