package com.ltkj.web.config.captcha;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ltkj.common.core.domain.R;
import com.ltkj.common.core.domain.entity.SysDictData;
import com.ltkj.common.utils.SnowFlake;
import com.ltkj.common.utils.uuid.UUID;
import com.ltkj.hosp.domain.SysAttachment;
import com.ltkj.hosp.service.ISysAttachmentService;
import com.ltkj.system.service.ISysDictDataService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
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.ltkj.common.config.ltkjConfig;
import com.ltkj.common.constant.Constants;
import com.ltkj.common.core.domain.AjaxResult;
import com.ltkj.common.utils.StringUtils;
import com.ltkj.common.utils.file.FileUploadUtils;
import com.ltkj.common.utils.file.FileUtils;
import com.ltkj.framework.config.ServerConfig;

/**
 * 通用请求处理
 *
 * @author ltkj
 */
@RestController
@RequestMapping("/common")
@Api(tags = "文件上传接口大全")
public class CommonController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;

    private static final String FILE_DELIMETER = ",";

    @Value("${photoPath}")
    String photoPath;

    @Value("${photoServer}")
    String photoServer;

    @Value("${ltkj.profile}")
    String path;
    @Autowired
    private ISysAttachmentService sysAttachmentService;
    @Autowired
    private ISysDictDataService sysDictDataService;


    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete   是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        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 = ltkjConfig.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);
        }
    }

    /**
    *   重新写的上传图片   适用于体检套餐
    */
    @PostMapping("/packageUpload")
    public AjaxResult packageUpload(@RequestBody MultipartFile file) {
        String fileName = file.getOriginalFilename();
        //文件后缀
        String suffixName = fileName.substring(fileName.lastIndexOf("."));
        //新文件名
        fileName = UUID.randomUUID() + suffixName;
        //文件全路径名
        File dest = new File(photoPath + fileName);
        if (!dest.getParentFile().exists()) {
            dest.getParentFile().mkdirs();
        }
        try {
            file.transferTo(dest);
        } catch (IOException e) {
            e.printStackTrace();
        }
        AjaxResult ajax = AjaxResult.success();
        String url=photoServer + fileName;
        ajax.put("url", url);
        ajax.put("fileName", fileName);
        ajax.put("newFileName", FileUtils.getName(fileName));
        ajax.put("originalFilename", file.getOriginalFilename());
        return ajax;
    }

    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    @ApiOperation(value = "通用文件上传")
    public AjaxResult uploadFile(@RequestPart("file") MultipartFile file) throws Exception {
        try {
            // 上传文件路径
            String filePath = ltkjConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            String url = serverConfig.getUrl() + fileName;
            AjaxResult ajax = AjaxResult.success();
            ajax.put("url", url);
            //ajax.put("filePath", path+fileName);
            ajax.put("fileName", fileName);
            ajax.put("newFileName", FileUtils.getName(fileName));
            ajax.put("originalFilename", file.getOriginalFilename());
            return ajax;
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    @PostMapping("/uploadImgExe")
    @ApiOperation(value = "EXE程序循环读取图片上传")
    public AjaxResult uploadImgExe(@RequestPart("file") MultipartFile file,@RequestParam("val")String dictVal,@RequestParam("ip")String ip){
        try {
            // 上传文件路径
            String filePath = ltkjConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            String url = serverConfig.getUrl() + fileName;
            AjaxResult ajax = AjaxResult.success();
            ajax.put("url", url);
            //ajax.put("filePath", path+fileName);
            ajax.put("fileName", fileName);
            final String newFileName = FileUtils.getName(fileName);
            ajax.put("newFileName", newFileName);
            ajax.put("originalFilename", file.getOriginalFilename());
            SysAttachment sysAttachment = new SysAttachment();
            sysAttachment.setId(SnowFlake.getInstance().nextId());
            sysAttachment.setFileName(newFileName);
            sysAttachment.setFilePath(fileName);
            sysAttachment.setUrl(url);
            sysAttachment.setSysDictVal(dictVal);
            sysAttachment.setIp(ip);
            final Map<String, String> map = FileUploadUtils.getFileSize(file);
            sysAttachment.setFileSize(map.get("fileSizeBytes"));
            sysAttachment.setFileSizeMb(map.get("fileSizeMB"));
            sysAttachment.setFileSizeGb(map.get("fileSizeGB"));
            sysAttachmentService.insertSysAttachment(sysAttachment);
            return ajax;
        } catch (Exception e) {
            e.printStackTrace();
            return AjaxResult.error(e.getMessage());
        }
    }

    @GetMapping("/listExeVal")
    public AjaxResult listExeDictVal(){
        LambdaQueryWrapper<SysDictData> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(SysDictData::getDictType,"sys_exe_img_type");
        final List<SysDictData> list = sysDictDataService.list(queryWrapper);
        ArrayList<HashMap<String, String>> hashMaps = new ArrayList<>();
        for (SysDictData sysDictData : list) {
            HashMap<String, String> hashMap = new HashMap<>();
            hashMap.put("label",sysDictData.getDictLabel());
            hashMap.put("value",sysDictData.getDictValue());
            hashMaps.add(hashMap);
        }
        return AjaxResult.success().put("data",hashMaps);
    }

    @GetMapping("/uploadFile")
    @ApiOperation(value = "通用文件上传base64")
    public AjaxResult uploadFiles(@ApiParam(value = "参数")String file){
        log.info(file);
        return AjaxResult.success(file);
    }


    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception {
        try {
            // 上传文件路径
            String filePath = ltkjConfig.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>();
            for (MultipartFile file : files) {
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());
            }
            AjaxResult ajax = AjaxResult.success();
            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));
            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 = ltkjConfig.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);
        }
    }


    @DeleteMapping("/deletedFile")
    @ApiOperation(value = "通用文件删除接口")
    public AjaxResult deletedFile(@RequestParam String url) {
        //文件后缀
        File files=new File(url);
        String name = files.getName();
        File file=new File(photoPath+name);
        if (file.exists()) {
            if(file.delete()){
                return AjaxResult.success("删除成功");
            }
            return AjaxResult.error("删除失败");
        }
        return AjaxResult.success("删除成功");
    }
}