'use client';

import { useEffect } from 'react';
import { useRouter } from 'next/navigation';
import { useAuth } from '@/hooks/useAuth';

interface ProtectedRouteProps {
  children: React.ReactNode;
  requiredRole?: string;
}

/**
 * Wraps any page or component that requires authentication.
 * Redirects to /login if the user is not authenticated.
 * Optionally checks for a required role.
 */
export default function ProtectedRoute({ children, requiredRole }: ProtectedRouteProps) {
  const { isAuthenticated, isLoading, hasRole } = useAuth();
  const router = useRouter();

  useEffect(() => {
    if (!isLoading) {
      if (!isAuthenticated) {
        router.push('/login');
      } else if (requiredRole && !hasRole(requiredRole)) {
        router.push('/dashboard');
      }
    }
  }, [isAuthenticated, isLoading, requiredRole, hasRole, router]);

  if (isLoading) {
    return (
      <div className="min-h-screen bg-gray-950 flex items-center justify-center">
        <div className="flex flex-col items-center gap-4">
          <div className="w-10 h-10 border-4 border-emerald-500 border-t-transparent rounded-full animate-spin" />
          <p className="text-gray-400 text-sm">Loading...</p>
        </div>
      </div>
    );
  }

  if (!isAuthenticated) return null;
  if (requiredRole && !hasRole(requiredRole)) return null;

  return <>{children}</>;
}