import { prisma } from "@/lib/prisma";
import { ensureNewsletterDiscountCode } from "@/lib/newsletter-discount";
import { redirectWithinSite } from "@/lib/redirect";

export async function GET(request: Request) {
  const token = new URL(request.url).searchParams.get("token");

  if (!token) {
    return redirectWithinSite("/newsletter-bestaetigt?status=invalid");
  }

  const subscriber = await prisma.newsletterSubscriber.findUnique({ where: { confirmationToken: token } });
  if (!subscriber) {
    return redirectWithinSite("/newsletter-bestaetigt?status=invalid");
  }

  await prisma.newsletterSubscriber.update({
    where: { id: subscriber.id },
    data: { confirmed: true, unsubscribedAt: null },
  });
  await ensureNewsletterDiscountCode();

  return redirectWithinSite("/newsletter-bestaetigt?status=ok");
}