app.js

const express = require('express');
const multer = require('multer');
const path = require('path');
const fs = require('fs');
require('dotenv').config();

const app = express();

// Configure Multer storage for file uploads
const storage = multer.diskStorage({
  destination: path.join(__dirname, 'uploads'),
  filename: (req, file, cb) => {
    cb(null, file.originalname);
  }
});

const upload = multer({ storage });

// Serve static files from 'public' directory
app.use(express.static(path.join(__dirname, 'public')));

// Serve static files from 'uploads' directory
app.use('/uploads', express.static(path.join(__dirname, 'uploads')));

// Home route
app.get('/', (req, res) => {
  res.sendFile(path.join(__dirname, 'public', 'index.html'));
});

// File upload endpoint
app.post('/upload', upload.single('file'), (req, res) => {
  if (!req.file) {
    return res.status(400).send('No file uploaded.');
  }
  res.send('File uploaded successfully.');
});

// Get list of files in the uploads directory
app.get('/files', (req, res) => {
  const uploadsDir = path.join(__dirname, 'uploads');
  fs.readdir(uploadsDir, (err, files) => {
    if (err) {
      return res.status(500).json({ error: 'Failed to retrieve files' });
    }

    const fileList = files.map(file => ({
      filename: file,
      url: `/uploads/${file}` // File URL
    }));

    res.json(fileList);
  });
});

// Start the server
const port = process.env.PORT || 3000;
app.listen(port, () => {
  console.log(`Server running on port ${port}`);
});