"use client";

import { useEffect, useRef } from "react";
import Lenis from "lenis";
import { gsap } from "gsap";
import { ScrollTrigger } from "gsap/ScrollTrigger";

gsap.registerPlugin(ScrollTrigger);

export function SmoothScrollProvider({
  children,
}: {
  children: React.ReactNode;
}) {
  const lenisRef = useRef<Lenis | null>(null);

  useEffect(() => {
    const lenis = new Lenis({
      duration: 1.2,
      easing: (t) => Math.min(1, 1.001 - Math.pow(2, -10 * t)), // Expo ease
      smoothWheel: true,
    });

    lenisRef.current = lenis;

    // Sincroniza Lenis com GSAP ScrollTrigger — critico para evitar dessync
    lenis.on("scroll", ScrollTrigger.update);

    gsap.ticker.add((time) => {
      lenis.raf(time * 1000);
    });

    gsap.ticker.lagSmoothing(0);

    return () => {
      lenis.destroy();
      gsap.ticker.remove((time) => lenis.raf(time * 1000));
    };
  }, []);

  return <>{children}</>;
}