package com.ruoyi.web.controller.common;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.websocket.server.PathParam;

import com.ruoyi.common.annotation.Anonymous;
import com.ruoyi.service.DownLoadFileService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileUploadUtils;
import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.framework.config.ServerConfig;

/**
 * 通用请求处理
 * 
 * @author ruoyi
 */
@RestController
@RequestMapping("/common")
public class CommonController
{
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;

    @Autowired
    private DownLoadFileService downLoadFileService;

    private static final String FILE_DELIMETER = ",";

//    @GetMapping("/downloadFile")
//    public void fileDownload(@PathParam("path") String path, HttpServletResponse response)
//    {
//        path=path.substring(8);
//        try
//        {
//            if (!FileUtils.checkAllowDownload(path))
//            {
//                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", path));
//            }
//            String realFileName = System.currentTimeMillis() + path.substring(path.indexOf("_") + 1);
//            String filePath = RuoYiConfig.getProfile() + path;
//
//            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
//            FileUtils.setAttachmentResponseHeader(response, realFileName);
//            FileUtils.writeBytes(filePath, response.getOutputStream());
//
//        }
//        catch (Exception e)
//        {
//            log.error("下载文件失败", e);
//        }
//    }




//    /**
//     * 通用下载请求
//     *
//     * @param fileName 文件名称
//     * @param delete 是否删除
//     */
//    @GetMapping("/download")
//    public void fileDownload(@PathParam("fileName") String fileName, @PathParam("delete") Boolean delete, HttpServletResponse response)
//    {
//        try
//        {
//            if (!FileUtils.checkAllowDownload(fileName))
//            {
//                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
//            }
//            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
//            String filePath = RuoYiConfig.getDownloadPath() + fileName;
//
//            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
//            FileUtils.setAttachmentResponseHeader(response, realFileName);
//            FileUtils.writeBytes(filePath, response.getOutputStream());
//            if (delete)
//            {
//                FileUtils.deleteFile(filePath);
//            }
//        }
//        catch (Exception e)
//        {
//            log.error("下载文件失败", e);
//        }
//    }
@Anonymous

    @GetMapping("/downLoadFile")
    public void downLoadFile(@PathParam("path") String path, HttpServletResponse response) throws Exception {
        downLoadFileService.downLoadFile(path,response);
    }


    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    public AjaxResult uploadFile(@RequestParam("uploadFile") MultipartFile file,String fname) throws Exception
    {
        try
        {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file,fname);
            String url = serverConfig.getUrl() + fileName;

            AjaxResult ajax = AjaxResult.success();

            HashMap<String, Object> data = new HashMap<>();
            data.put("url", url);
            data.put("fileName", fileName);
            data.put("newFileName", FileUtils.getName(fileName));
            data.put("originalFilename", file.getOriginalFilename());

            ajax.put("msg","操作成功");
            ajax.put("data",data);
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(@RequestParam("files")  List<MultipartFile> files) throws Exception
    {
        //System.out.println("99999999999999999999999990000000000000000");
        try
        {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
           // System.out.println("99999999999999999999999990000000000000000");
          //  System.out.println(files);
          //  System.out.println(files.size());

            for (MultipartFile file : files)
            {
                // 上传并返回新文件名称
                String filename = "";
             //   System.out.println("1122123330+++++++++++++++++++++++++++++");

                String fileName = FileUploadUtils.upload(filePath, file, filename);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());
            }
            AjaxResult ajax = AjaxResult.success();
          //  System.out.println("99999999999999999999999990000000000000000");

            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
          //  System.out.println("1122123330+++++++++++++++++++++++++++++");
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
        try
        {
            if (!FileUtils.checkAllowDownload(resource))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }
}