'use client'

import { useRef, useState } from 'react'
import Link from 'next/link'
import { AnimatePresence, motion } from 'framer-motion'

export function NavLinks() {
  let [hoveredIndex, setHoveredIndex] = useState<number | null>(null)
  let timeoutRef = useRef<number | null>(null)

  const handleClick = (e: React.MouseEvent<HTMLAnchorElement>, href: string) => {
    if (href.startsWith('/#')) {
      e.preventDefault();
      const targetId = href.substring(2);
      const targetElement = document.getElementById(targetId);

      if (targetElement) {
        targetElement.scrollIntoView({
          behavior: 'smooth',
        });
      }
    }
  };

  return [
    ['About', '/#about'],
    ['Network', '/#network'],
    ['Deploy', '/#deploy'],
    ['LLMs', '/#llms'],
    ['Features', '/#features'],
    ['Get Started', '/#get-started'],
  ].map(([label, href], index) => (
    <Link
      key={label}
      href={href}
      className="relative -mx-3 -my-2 rounded-lg px-3 py-2 text-sm text-white transition-colors delay-150 hover:text-gray-300 hover:delay-0"
      onClick={(e) => handleClick(e, href)}
      onMouseEnter={() => {
        if (timeoutRef.current) {
          window.clearTimeout(timeoutRef.current)
        }
        setHoveredIndex(index)
      }}
      onMouseLeave={() => {
        timeoutRef.current = window.setTimeout(() => {
          setHoveredIndex(null)
        }, 200)
      }}
    >
      <AnimatePresence>
        {hoveredIndex === index && (
          <motion.span
            className="absolute inset-0 rounded-lg bg-white/10"
            layoutId="hoverBackground"
            initial={{ opacity: 0 }}
            animate={{ opacity: 1, transition: { duration: 0.15 } }}
            exit={{
              opacity: 0,
              transition: { duration: 0.15 },
            }}
          />
        )}
      </AnimatePresence>
      <span className="relative z-10">{label}</span>
    </Link>
  ))
}