routes/index.js

const express = require('express');
const router = express.Router();
const fs = require('fs');
const path = require('path');

router.get('/', (req, res) => {
  const imagesPath = path.join(__dirname, '..', 'data');
  fs.readdir(imagesPath, (err, files) => {
    if (err) {
      console.error(err);
      return res.status(500).send('Error reading image files');
    }

    const imageFiles = files.filter(file => /\.(jpg|jpeg|png|gif)$/i.test(file));
    res.render('index', { title: 'Image Gallery', images: imageFiles });
  });
});

module.exports = router;