Initial commit

app/api/credits/route.ts

@@ -0,0 +1,53 @@
+import { NextRequest, NextResponse } from 'next/server';
+import {
+  createCreditTransaction,
+  getUser,
+  updateUserCredits,
+} from '@/lib/firestore';
+import { Timestamp } from 'firebase/firestore';
+
+export async function GET(request: NextRequest) {
+  try {
+    // TODO: Get userId from auth token
+    const userId = 'test-user-id'; // Replace with actual auth
+    const user = await getUser(userId);
+    return NextResponse.json({ balance: user?.creditBalance ?? 0 });
+  } catch (error) {
+    console.error('Error fetching credit balance:', error);
+    return NextResponse.json({ error: 'Failed to fetch balance' }, { status: 500 });
+  }
+}
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    // TODO: Get userId from auth token
+    const userId = 'test-user-id'; // Replace with actual auth
+    const amount = Number(body?.amount);
+
+    if (!Number.isFinite(amount) || amount <= 0) {
+      return NextResponse.json({ error: 'Invalid amount' }, { status: 400 });
+    }
+
+    const user = await getUser(userId);
+    if (!user) {
+      return NextResponse.json({ error: 'User not found' }, { status: 404 });
+    }
+
+    const newBalance = user.creditBalance + amount;
+    await updateUserCredits(userId, newBalance);
+
+    await createCreditTransaction({
+      userId,
+      amount,
+      type: 'purchase',
+      balanceAfter: newBalance,
+      createdAt: Timestamp.now(),
+    });
+
+    return NextResponse.json({ balance: newBalance });
+  } catch (error) {
+    console.error('Error adding credits:', error);
+    return NextResponse.json({ error: 'Failed to add credits' }, { status: 500 });
+  }
+}