const express = require('express');
const db = require('../db-sqlite');
const { authenticate } = require('../middleware/auth');
const multer = require('multer');

const upload = multer({ dest: 'uploads/' });

module.exports = function(app) {
  const router = express.Router();

  router.post('/single', authenticate, upload.single('file'), async (req, res) => {
    try {
      if (!req.file) {
        return res.status(400).json({ success: false, message: '没有上传文件' });
      }
      
      const fileUrl = `/uploads/${req.file.filename}`;
      
      res.json({
        success: true,
        message: '文件上传成功',
        data: {
          filename: req.file.filename,
          url: fileUrl,
          size: req.file.size
        }
      });
      
      console.log(`文件 ${req.file.filename} 上传成功，由 ${req.user.username} 操作`);
    } catch (error) {
      console.error('文件上传失败:', error);
      res.status(500).json({ success: false, message: '文件上传失败' });
    }
  });

  app.use('/api/upload', router);
};