import { NextRequest, NextResponse } from 'next/server';
import { getStripeClient } from '@/lib/stripe/client';
import { handleCheckoutComplete } from '@/lib/stripe/checkout';
import { settingsService } from '@/lib/settings/settings-service';

export async function POST(request: NextRequest) {
  try {
    const body = await request.text();
    const signature = request.headers.get('stripe-signature');

    if (!signature) {
      return NextResponse.json({ error: 'No signature' }, { status: 400 });
    }

    const settings = await settingsService.getAll();
    if (!settings.stripeWebhookSecret) {
      console.error('Stripe webhook secret not configured');
      return NextResponse.json({ error: 'Webhook not configured' }, { status: 500 });
    }

    const stripe = await getStripeClient();
    const event = stripe.webhooks.constructEvent(
      body,
      signature,
      settings.stripeWebhookSecret
    );

    switch (event.type) {
      case 'checkout.session.completed': {
        const session = event.data.object;
        if (session.metadata?.type === 'dfy_service') {
          await handleCheckoutComplete(session.id);
        }
        break;
      }

      case 'payment_intent.payment_failed': {
        const paymentIntent = event.data.object;
        console.log('Payment failed:', paymentIntent.id);
        break;
      }
    }

    return NextResponse.json({ received: true });
  } catch (error) {
    console.error('Webhook error:', error);
    return NextResponse.json({ error: 'Webhook handler failed' }, { status: 500 });
  }
}