package com.xunmei.file.controller;

import com.xunmei.common.core.domain.R;
import com.xunmei.common.core.utils.file.FileUtils;
import com.xunmei.file.service.ISysFileService;
import com.xunmei.file.utils.DesUtil;
import com.xunmei.system.api.domain.SysFile;
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.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.util.Map;

/**
 * 文件请求处理
 *
 * @author xunmei
 */
@RestController
@RequestMapping("/file")
public class SysFileController {
    private static final Logger log = LoggerFactory.getLogger(SysFileController.class);

    @Autowired
    private ISysFileService sysFileService;

    /**
     * 路径加密秘钥
     */
    @Value("${file.secretKey}")
    public String secretKey;

    @Value("${file.domain}")
    public String networkAdd;

    @Value("${file.prefix}")
    public String prefix;


    private static final String FILE_SUFFIX = "FILE_CODE_";

    /**
     * 文件上传请求
     */
    @PostMapping("/upload")
    public R<SysFile> upload(MultipartFile file) {
        try {
            // 上传并返回访问地址
            String url = sysFileService.uploadFile(file);
            SysFile sysFile = new SysFile();
            sysFile.setName(FileUtils.getName(url));
            String code = DesUtil.encrypt(url, secretKey);
            url = prefix + url;
            sysFile.setUrl(url);
            sysFile.setCode(code);
            return R.ok(sysFile);
        } catch (Exception e) {
            log.error("上传文件失败", e);
            return R.fail(e.getMessage());
        }
    }

    @PostMapping("/uploadFile")
    public R<SysFile> uploadFile(MultipartFile file, String busType) {
        try {
            // 上传并返回访问地址
            String url = sysFileService.uploadFile(file, busType);
            SysFile sysFile = new SysFile();
            sysFile.setName(FileUtils.getName(url));
            String code = DesUtil.encrypt(url, secretKey);
            url = prefix + url;
            sysFile.setUrl(url);
            sysFile.setCode(code);
            return R.ok(sysFile);
        } catch (Exception e) {
            log.error("上传文件失败", e);
            return R.fail(e.getMessage());
        }
    }


    @PostMapping("/downloadFile")
    public void downloadFile(HttpServletResponse response, @RequestBody SysFile sysFile) {
        try {
            String filePath = DesUtil.decode(sysFile.getCode(), secretKey);
            sysFileService.downloadFile(response, filePath);
        } catch (Exception e) {
            log.error("下载文件失败", e);
            throw new RuntimeException(e);
        }
    }

    /**
     * 路径参数
     *
     * @param response
     * @param code
     */
    @GetMapping("/getFile/{code}")
    public void getFile(HttpServletResponse response, @PathVariable String code) {
        try {
            String filePath = DesUtil.decode(code, secretKey);
            sysFileService.downloadFile(response, filePath);
        } catch (Exception e) {
            log.error("下载文件失败", e);
            throw new RuntimeException(e);
        }
    }

    @PostMapping(value = "/generateEduTrainingPdf")
    R<String> generateEduTrainingPdf(@RequestBody Map<String, Object> data) throws Exception {

        return R.ok(sysFileService.generateEduTrainingPdf(data));

    }
}