// /app/api/checkout/route.ts – one-time payment
import Stripe from 'stripe';
const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!, { apiVersion: '2024-06-20' });

export async function POST() {
  const session = await stripe.checkout.sessions.create({
    mode: 'payment',
    line_items: [{ price: process.env.STRIPE_PRICE_ONE_TIME!, quantity: 1 }],
    success_url: `${process.env.NEXT_PUBLIC_URL}/success?session_id={CHECKOUT_SESSION_ID}`,
    cancel_url: `${process.env.NEXT_PUBLIC_URL}/cancel`,
  });
  return Response.json({ url: session.url });
}

// /app/api/subscribe/route.ts – subscription
export async function POST() {
  const session = await stripe.checkout.sessions.create({
    mode: 'subscription',
    line_items: [{ price: process.env.STRIPE_PRICE_SUBSCRIPTION!, quantity: 1 }],
    allow_promotion_codes: true,
    success_url: `${process.env.NEXT_PUBLIC_URL}/dashboard`,
    cancel_url: `${process.env.NEXT_PUBLIC_URL}/pricing`,
  });
  return Response.json({ url: session.url });
}

// /app/api/connect/onboard/route.ts – Connect Express onboarding link
export async function GET() {
  const account = await stripe.accounts.create({ type: 'express' });
  const link = await stripe.accountLinks.create({
    account: account.id,
    refresh_url: `${process.env.NEXT_PUBLIC_URL}/onboarding/refresh`,
    return_url: `${process.env.NEXT_PUBLIC_URL}/onboarding/return`,
    type: 'account_onboarding',
  });
  return Response.json({ url: link.url });
}

// /app/api/webhooks/stripe/route.ts – webhook (Edge-disabled for crypto libs)
import { headers } from 'next/headers';
export async function POST(req: Request) {
  const sig = headers().get('stripe-signature')!;
  const raw = await req.text();
  let event;
  try {
    event = stripe.webhooks.constructEvent(raw, sig, process.env.STRIPE_WEBHOOK_SECRET!);
  } catch (err) {
    return new Response('Invalid signature', { status: 400 });
  }
  // handle event.type ...
  return new Response('ok');
}