package com.qs.serve.controller;

import com.qs.serve.common.config.properties.UploadProperties;
import com.qs.serve.common.model.annotation.SysLog;
import com.qs.serve.common.model.dto.R;
import com.qs.serve.common.model.enums.BizType;
import com.qs.serve.common.util.*;
import com.qs.serve.modules.oss.service.OssService;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.util.WebUtils;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;

/**
 * 门户：后台通用接口
 * @author YenHex
 * @since 2022/3/14
 */
@Slf4j
@AllArgsConstructor
@RestController
@RequestMapping("/common")
public class CommonController {

    private UploadProperties uploadProperties;

    private OssService ossService;

    /**
     * 获取签名
     * @param request
     * @return
     */
    @SysLog(title = "文件",biz = BizType.UPLOAD)
    @GetMapping("/getSign")
    public R getSign(HttpServletRequest request) {
        return R.ok(ossService.getPolicySign());
    }


    /**
     * 单图上传
     * @apiNote file不能为空
     * @param request
     * @return
     */
    @SysLog(title = "文件",biz = BizType.UPLOAD)
    @PostMapping("/upload")
    public R upload(HttpServletRequest request) {
        String relativePath = UploadUtil.put(uploadProperties.getLogicalPath(),IdUtil.timeStampId(),request);
        if(relativePath!=null){
            return R.ok(uploadProperties.getProxyUrl()+relativePath,"上传成功");
        }
        return R.error("上传失败");
    }

    /**
     * 验证token
     * @param token
     * @return
     */
    @PostMapping("/validToken")
    public R validToken(String token) {
        return R.isOk(JwtUtils.verify(token),"无效token");
    }

    /**
     * 多图上传
     * @apiNote files不能为空
     * @param request
     * @return
     */
    @SysLog(title = "文件",biz = BizType.UPLOAD)
    @PostMapping( "/uploadMulti")
    public R<?> multiUpload(HttpServletRequest request) {
        String contentType = request.getContentType();
        List<MultipartFile> files = null;
        if (contentType != null && contentType.toLowerCase().startsWith("multipart")) {
            MultipartHttpServletRequest multipartHttpServletRequest = WebUtils.getNativeRequest(request, MultipartHttpServletRequest.class);
            files = multipartHttpServletRequest.getFiles("files");
        }
        if (files==null||files.isEmpty()) {
            return R.error("请选择文件");
        }
        List<String> list = new ArrayList<>();
        for (int i = 0; i < files.size(); i++) {
            MultipartFile file = files.get(i);
            if (file.isEmpty()) {
                return R.error("上传第" + (i++) + "个文件失败");
            }
            String fileOrgName = file.getOriginalFilename();
            String mimeType = fileOrgName.substring(fileOrgName.lastIndexOf("."));
            String filePath = LocalDate.now().toString().replace("-","")+"/"+ IdUtil.timeStampId()+mimeType;
            String uploadPath = uploadProperties.getLogicalPath();
            File dest = new File(uploadPath + filePath);
            try {
                file.transferTo(dest);
                list.add(uploadProperties.getProxyUrl()+filePath);
            } catch (IOException e) {
                log.error(e.toString(), e);
                return R.error("上传第" + (i++) + "个文件失败");
            }
        }
        return R.ok(list);
    }

}