"use client";

import { useEffect, useRef, type ReactNode } from "react";

type RevealProps = {
  children: ReactNode;
  delay?: number;
  className?: string;
};

export default function Reveal({ children, delay = 0, className = "" }: RevealProps) {
  const ref = useRef<HTMLDivElement>(null);

  useEffect(() => {
    const el = ref.current;
    if (!el) return;
    const observer = new IntersectionObserver(
      ([entry]) => {
        if (entry.isIntersecting) {
          el.classList.add("visible");
          observer.unobserve(el);
        }
      },
      { threshold: 0.1 }
    );
    observer.observe(el);
    return () => observer.disconnect();
  }, []);

  return (
    <div
      ref={ref}
      className={`reveal ${className}`}
      style={{ transitionDelay: `${delay}ms` }}
    >
      {children}
    </div>
  );
}