Implement backend for blackjack game with Discord authentication, database integration, and WebSocket support

src/routes/wallet.js

@@ -0,0 +1,38 @@
+import { Router } from 'express';
+import Stripe from 'stripe';
+import { authMiddleware } from '../auth.js';
+import { query } from '../db.js';
+
+const router = Router();
+const stripe = new Stripe(process.env.STRIPE_SECRET_KEY || '', {
+  apiVersion: '2024-06-20'
+});
+
+router.post('/api/wallet/deposit-intent', authMiddleware, async (req, res) => {
+  try {
+    const amount = Number(req.body.amount);
+    if (!Number.isFinite(amount) || amount < 50 || amount > 100) {
+      return res.status(400).json({ error: 'A feltoltes 50 es 100 Ft kozott lehet.' });
+    }
+
+    const paymentIntent = await stripe.paymentIntents.create({
+      amount,
+      currency: 'huf',
+      automatic_payment_methods: { enabled: true },
+      metadata: {
+        userId: String(req.userId)
+      }
+    });
+
+    await query(
+      'INSERT INTO deposits (user_id, amount, stripe_payment_intent_id, status) VALUES (?, ?, ?, ?)',
+      [req.userId, amount, paymentIntent.id, 'created']
+    );
+
+    return res.json({ clientSecret: paymentIntent.client_secret });
+  } catch (err) {
+    return res.status(500).json({ error: 'Nem sikerult letrehozni a fizetest.' });
+  }
+});
+
+export default router;