'use client';

import type { ReactNode } from 'react';
import { useEffect } from 'react';
import { usePathname, useRouter } from 'next/navigation';

import { LoadingState } from '@/components/feedback/loading-state';
import { useAuth } from '@/components/providers/auth-provider';

interface DashboardAuthGuardProps {
  children: ReactNode;
}

export function DashboardAuthGuard({ children }: DashboardAuthGuardProps) {
  const router = useRouter();
  const pathname = usePathname();
  const { isAuthenticated, isLoading } = useAuth();

  useEffect(() => {
    if (!isLoading && !isAuthenticated) {
      const redirect = pathname && pathname !== '/' ? `?redirect=${encodeURIComponent(pathname)}` : '';
      router.replace(`/login${redirect}`);
    }
  }, [isAuthenticated, isLoading, pathname, router]);

  if (isLoading || !isAuthenticated) {
    return (
      <main className='flex min-h-screen items-center justify-center px-4 py-8'>
        <LoadingState className='w-full max-w-md' />
      </main>
    );
  }

  return <>{children}</>;
}