vibn-frontend/app/auth/page.tsx

"use client";

import { useSession } from "next-auth/react";
import { useRouter, useSearchParams } from "next/navigation";
import { useEffect, Suspense } from "react";
import NextAuthComponent from "@/app/components/NextAuthComponent";

function deriveWorkspace(email: string): string {
  return email.split("@")[0].toLowerCase().replace(/[^a-z0-9]+/g, "-") + "-account";
}

function AuthPageInner() {
  const { data: session, status } = useSession();
  const router = useRouter();
  const searchParams = useSearchParams();

  useEffect(() => {
    if (status === "authenticated" && session?.user?.email) {
      const workspace = deriveWorkspace(session.user.email);
      router.push(`/${workspace}/projects`);
    }
  }, [status, session, router, searchParams]);

  if (status === "loading") {
    return (
      <div className="justine-auth-inner">
        <div className="justine-auth-loading-wrap">
          <div className="justine-auth-spinner" aria-hidden />
          <p className="justine-auth-loading-text">Loading authentication…</p>
        </div>
      </div>
    );
  }

  return <NextAuthComponent />;
}

export default function AuthPage() {
  return (
    <Suspense>
      <AuthPageInner />
    </Suspense>
  );
}