ShellLayout.tsx

"use client";

import { usePathname, useRouter } from "next/navigation";
import { useEffect } from "react";
import { AppShell } from "@/components/AppShell";
import { useAuth } from "@/contexts/auth";

const PUBLIC_PATHS = new Set(["/", "/login", "/register", "/auth/callback"]);

export function ShellLayout({ children }: { children: React.ReactNode }) {
  const pathname = usePathname();
  const { user, loading } = useAuth();
  const router = useRouter();

  const isPublic = PUBLIC_PATHS.has(pathname);

  useEffect(() => {
    if (!loading && !user && !isPublic) {
      router.replace("/login");
    }
  }, [loading, user, isPublic, router]);

  if (isPublic) {
    return <>{children}</>;
  }

  if (loading) {
    return (
      <div className="flex min-h-screen items-center justify-center">
        <div className="h-6 w-6 animate-spin rounded-full border-2 border-teal-600 border-t-transparent" />
      </div>
    );
  }

  if (!user) {
    return null;
  }

  return <AppShell>{children}</AppShell>;
}