import { NextResponse } from 'next/server';
import { createSupabaseServerClient } from '@/lib/supabase/server';

export const runtime = 'nodejs';
export const dynamic = 'force-dynamic';

export async function POST() {
  const supabase = createSupabaseServerClient();
  const {
    data: { user },
  } = await supabase.auth.getUser();
  if (!user) {
    return NextResponse.json({ error: 'unauthorized' }, { status: 401 });
  }

  const stub = process.env.STRIPE_STUB_URL;
  if (!stub) {
    return NextResponse.json(
      { error: 'STRIPE_STUB_URL not configured' },
      { status: 500 },
    );
  }

  const res = await fetch(`${stub}/v1/checkout/sessions`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ customer_email: user.email }),
  });
  if (!res.ok) {
    return NextResponse.json(
      { error: `stripe-stub returned ${res.status}` },
      { status: 502 },
    );
  }
  const body = (await res.json()) as Record<string, unknown>;
  return NextResponse.json(body);
}