import express from 'express';
import client from 'prom-client';

const app = express();
const PORT = process.env.PORT || 4000;

// Crée un registre de métriques Prometheus
const register = new client.Registry();
client.collectDefaultMetrics({ register });

// Route API
app.get('/', (req, res) => {
  res.send('The Tip Top Backend is running 🚀');
});

// Route /metrics pour Prometheus
app.get('/metrics', async (req, res) => {
  res.set('Content-Type', register.contentType);
  res.end(await register.metrics());
});

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