const express = require('express');
const path = require('path');
const fs = require('fs');

const app = express();
const PORT = process.env.PORT || 3000;
const CONTENT_DIR = '/usr/src/app/content';

app.use(express.static(CONTENT_DIR));

app.get('*', (req, res) => {
  const filePath = path.join(CONTENT_DIR, req.path);
  if (fs.existsSync(filePath) && fs.statSync(filePath).isDirectory()) {
    const indexPath = path.join(filePath, 'index.html');
    if (fs.existsSync(indexPath)) {
      return res.sendFile(indexPath);
    }
  }
  res.sendFile(path.join(CONTENT_DIR, 'index.html'));
});

app.listen(PORT, () => {
  console.log(`Perilous server running on port ${PORT}`);
});