package com.kidgrow.filecenter.config;

import com.aliyun.oss.OSSClient;
import com.aliyun.oss.common.auth.DefaultCredentialProvider;
import com.kidgrow.common.constant.SecurityConstants;
import com.kidgrow.common.utils.DateUtil;
import com.kidgrow.common.utils.StringUtils;
import com.kidgrow.filecenter.model.FileInfo;
import com.kidgrow.filecenter.properties.FileServerProperties;
import com.kidgrow.filecenter.service.impl.AbstractIFileService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import java.io.InputStream;
import java.util.Date;
import java.util.UUID;

/**
 * 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
 *
 * @Description: 阿里云配置<br>
 * @Project: <br>
 * @CreateDate: Created in 2020/2/18 11:24 <br>
 * @Author: <a href="4345453@kidgrow.com">liuke</a>
 */
@Configuration
@ConditionalOnProperty(name = "kidgrow.file-server.type", havingValue = "aliyun")
public class AliyunOSSAutoConfigure {
    @Autowired
    private FileServerProperties fileProperties;



    /**
     * 阿里云文件存储client
     * 只有配置了aliyun.oss.access-key才可以使用
     */
    @Bean
    public OSSClient ossClient() {
        OSSClient ossClient = new OSSClient(fileProperties.getOss().getEndpoint()
                , new DefaultCredentialProvider(fileProperties.getOss().getAccessKey(), fileProperties.getOss().getAccessKeySecret())
                , null);
        return ossClient;
    }

    @Service
    public class AliyunOssServiceImpl extends AbstractIFileService {
        @Autowired
        private OSSClient ossClient;

        @Autowired
        private HttpServletRequest httpServletRequest;

        @Override
        protected String fileType() {
            return fileProperties.getType();
        }

        @Override
        protected void uploadFile(MultipartFile file, FileInfo fileInfo) throws Exception {
            String clientID= httpServletRequest.getHeader(SecurityConstants.CLIENT_HEADER);
            String folderByDate =DateUtil.formatDate(new Date());
            int begin = file.getOriginalFilename().indexOf(".");
            int last = file.getOriginalFilename().length();
            String fileType = file.getOriginalFilename().substring(begin, last);
            String fileName= UUID.randomUUID().toString().replaceAll("-","")+fileType;
            String fileFolder = "";
            if(clientID.equals("hospital")){//医院端平台，
                fileFolder=FilePath(fileInfo.getImgType(),folderByDate);
                fileUpLoadOss(fileInfo,fileFolder  + fileName,file.getInputStream());
            }
            else {
                fileUpLoadOss(fileInfo,fileProperties.getOss().getFolder() + folderByDate + "/" + fileName,file.getInputStream());
            }
        }

        @Override
        protected boolean deleteFile(FileInfo fileInfo) {

            ossClient.deleteObject(fileProperties.getOss().getBucketName(), fileInfo.getName());
            return true;
        }

        /**
         * 给OSS上上传文件
         * @param fileInfo  返回对象
         * @param newFilePath 上传到的文件路径
         * @param fileStream  要上传的文件流
         */
        public void fileUpLoadOss(FileInfo fileInfo,String newFilePath, InputStream fileStream)
        {
            ossClient.putObject(fileProperties.getOss().getBucketName(), newFilePath, fileStream);
            fileInfo.setUrl(fileProperties.getOss().getDomain() + newFilePath);
        }
        /**
         * 组合sso上的文件路径
         * @param imgType
         * @return
         */
        public String FilePath(String imgType,String folderByDate)
        {
            //返回的文件路径
            String fileFolder="";
            if (StringUtils.isNotBlank(imgType)) {
                // 光片需要按照根据医院ID，科室ID，日期进行OSS存储
                if (imgType.toLowerCase().equals("xray")) {
                    String hospitalID = httpServletRequest.getHeader(SecurityConstants.USER_HOSPITAL_ID_HEADER);
                    String depID = httpServletRequest.getHeader(SecurityConstants.USER_DEP_ID_HEADER);
                    fileFolder = "Xray/" + hospitalID + "/" + depID + "/"+ folderByDate + "/";
                }
                // 医院Logo只保存在一个目录中
                else if (imgType.toLowerCase().equals("logo")) {
                    fileFolder = "HospitalLogo/";
                }else if (imgType.toLowerCase().equals("doctor")) {
                    fileFolder = "DoctorImage/";
                }
                else {
                    fileFolder = "OtherImage/"+ folderByDate + "/";
                }

            } else {
                fileFolder = "OtherImage/"+ folderByDate + "/";
            }
            return fileFolder;
        }
    }
}