stack/apps/web/src/app/(authenticated)/layout.tsx

"use client";

import { useEffect } from "react";
import { useRouter } from "next/navigation";
import { useAuth } from "@/lib/auth/auth-context";
import { Navigation } from "@/components/layout/Navigation";
import { ChatOverlay } from "@/components/chat";
import type { ReactNode } from "react";

export default function AuthenticatedLayout({
  children,
}: {
  children: ReactNode;
}): React.JSX.Element | null {
  const router = useRouter();
  const { isAuthenticated, isLoading } = useAuth();

  useEffect(() => {
    if (!isLoading && !isAuthenticated) {
      router.push("/login");
    }
  }, [isAuthenticated, isLoading, router]);

  if (isLoading) {
    return (
      <div className="flex min-h-screen items-center justify-center">
        <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-gray-900"></div>
      </div>
    );
  }

  if (!isAuthenticated) {
    return null;
  }

  return (
    <div className="min-h-screen bg-gray-50">
      <Navigation />
      <div className="pt-16">{children}</div>
      <ChatOverlay />
    </div>
  );
}