package com.sandu.common.file.impl;

import cn.hutool.core.io.FileUtil;
import cn.hutool.core.lang.UUID;
import cn.hutool.core.util.StrUtil;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.model.CannedAccessControlList;
import com.aliyun.oss.model.CreateBucketRequest;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import com.sandu.common.enums.FileStorageEnums;
import com.sandu.common.execption.BusinessException;
import com.sandu.common.file.FileUploadDto;
import com.sandu.common.file.IFileUpload;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

/**
 * @author chenjiantian
 * @date 2020/12/17 15:31
 */
@Slf4j
@Component
public class AliOssFileServiceImpl implements IFileUpload {

    private final String endPoint="oss-cn-shanghai.aliyuncs.com";
    private final String keyId="LTAI5tPdpt5wvJyLipRijFSP";
    private final String keySecret="1ahYfCKd0yTddsUnuDLQzI23MLh4VQ";
    private final String bucketName= "ximonsmart";
    private String host;

    @Override
    public FileUploadDto uploadFile(MultipartFile multipartFile) {
        String originalFilename = multipartFile.getOriginalFilename();
        long size = multipartFile.getSize();
        String suffix = FileUtil.getSuffix(originalFilename);
        String dayStr = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmm"));
        String fileName = dayStr + UUID.fastUUID()+ "." + suffix;

        FileUploadDto uploadDto = new FileUploadDto();
        OSS ossClient = new OSSClientBuilder().build(endPoint, keyId, keySecret);
        try {
            //容器不存在，就创建
            if (!ossClient.doesBucketExist(bucketName)) {
                ossClient.createBucket(bucketName);
                CreateBucketRequest createBucketRequest = new CreateBucketRequest(bucketName);
                createBucketRequest.setCannedACL(CannedAccessControlList.PublicRead);
                ossClient.createBucket(createBucketRequest);
            }
            //上传文件
            PutObjectResult result = ossClient.putObject(new PutObjectRequest(bucketName, fileName, new ByteArrayInputStream(multipartFile.getBytes())));
            //设置权限 这里是公开读
//            ossClient.setBucketAcl(ossProperties.getBucketName(), CannedAccessControlList.PublicRead);

            if (result != null) {
                String url = "";
                // https://BucketName.Endpoint/ObjectName
                if (StrUtil.isBlank(host)) {
                    url = "https://" + bucketName + "." + endPoint + "/" + fileName;
                } else {
                    if (!host.endsWith("/")) {
                        url = host + "/" + fileName;
                    } else {
                        url = host + fileName;
                    }
                }
                uploadDto.setFileUrl(url);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            throw new BusinessException(e.getMessage());
        } finally {
            //关闭
            ossClient.shutdown();
        }

        uploadDto.setOriginName(originalFilename);
        uploadDto.setFileName(fileName);
        uploadDto.setFileType(FileUtil.extName(originalFilename));
        uploadDto.setStorageType(FileStorageEnums.ALIBABA.getCode());
        uploadDto.setFileSize(size);

        if (IMAGE_SUFFIX_LIST.contains(uploadDto.getFileType())) {
            BufferedImage img = null;
            try {
                img = ImageIO.read(multipartFile.getInputStream());
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (img != null && img.getWidth() >= 0 && img.getHeight() >= 0) {
                uploadDto.setWidth(img.getWidth());
                uploadDto.setHeight(img.getHeight());
            }
        }

        return uploadDto;
    }

    public FileUploadDto uploadFile(File multipartFile) {
        String originalFilename = multipartFile.getName();
//        long size = multipartFile.get();
        String suffix = FileUtil.getSuffix(originalFilename);
        String dayStr = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmm"));
        String fileName = dayStr + UUID.fastUUID()+ "." + suffix;

        FileUploadDto uploadDto = new FileUploadDto();
        OSS ossClient = new OSSClientBuilder().build(endPoint, keyId, keySecret);
        try {
            //容器不存在，就创建
            if (!ossClient.doesBucketExist(bucketName)) {
                ossClient.createBucket(bucketName);
                CreateBucketRequest createBucketRequest = new CreateBucketRequest(bucketName);
                createBucketRequest.setCannedACL(CannedAccessControlList.PublicRead);
                ossClient.createBucket(createBucketRequest);
            }
            //上传文件
            PutObjectResult result = ossClient.putObject(new PutObjectRequest(bucketName, fileName, multipartFile));
            //设置权限 这里是公开读
//            ossClient.setBucketAcl(ossProperties.getBucketName(), CannedAccessControlList.PublicRead);

            if (result != null) {
                String url = "";
                // https://BucketName.Endpoint/ObjectName
                if (StrUtil.isBlank(host)) {
                    url = "https://" + bucketName + "." + endPoint + "/" + fileName;
                } else {
                    if (!host.endsWith("/")) {
                        url = host + "/" + fileName;
                    } else {
                        url = host + fileName;
                    }
                }
                uploadDto.setFileUrl(url);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            throw new BusinessException(e.getMessage());
        } finally {
            //关闭
            ossClient.shutdown();
        }

        uploadDto.setOriginName(originalFilename);
        uploadDto.setFileName(fileName);
        uploadDto.setFileType(FileUtil.extName(originalFilename));
        uploadDto.setStorageType(FileStorageEnums.ALIBABA.getCode());

        return uploadDto;
    }
}