// Digital Spaceport Arcade — static server
// Pure JS. Serves ./public on 0.0.0.0:8099
const express = require('express');
const path = require('path');

const app = express();
const PORT = process.env.PORT || 8099;
const HOST = process.env.HOST || '0.0.0.0';

app.use(express.static(path.join(__dirname, 'public'), {
  extensions: ['html'],
  setHeaders(res, filePath) {
    if (filePath.endsWith('.html')) {
      res.setHeader('Cache-Control', 'no-cache');
    }
  }
}));

// Favicon: inline SVG (retro pixel heart)
app.get('/favicon.ico', (req, res) => {
  res.type('image/svg+xml').send(
    '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">'
    + '<rect x="2" y="3" width="4" height="3" fill="#ff2d95"/>'
    + '<rect x="10" y="3" width="4" height="3" fill="#ff2d95"/>'
    + '<rect x="2" y="6" width="12" height="3" fill="#ff2d95"/>'
    + '<rect x="4" y="9" width="8" height="2" fill="#ff2d95"/>'
    + '<rect x="6" y="11" width="4" height="2" fill="#ff2d95"/>'
    + '</svg>'
  );
});

app.get('/healthz', (req, res) => res.json({ ok: true, name: 'digital-spaceport-arcade' }));

app.listen(PORT, HOST, () => {
  console.log(`[dsp-arcade] serving on http://${HOST}:${PORT}`);
});