'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)

  return [
    ['About', '/#about'],
    ['Features', '/#features'],
    ['How it Works', '/#howitworks'],
    ['Coming Soon', '/#comingsoon'],
    ['FAQs', '/#faqs'],
    ['Docs', 'https://threefold.info/mycelium_network/docs/'],
  ].map(([label, href], index) => (
    <Link
      key={label}
      href={href}
      className="relative -mx-3 -my-2 rounded-lg px-3 py-2 text-sm leading-tight text-gray-700 transition-colors delay-150 hover:text-gray-900 hover:delay-0"
      onMouseEnter={() => {
        if (timeoutRef.current) {
          window.clearTimeout(timeoutRef.current)
        }
        setHoveredIndex(index)
      }}
      onMouseLeave={() => {
        timeoutRef.current = window.setTimeout(() => {
          setHoveredIndex(null)
        }, 50)
      }}
      onClick={(e) => {
        if (href.startsWith('/#')) {
          e.preventDefault();
          const targetId = href.substring(2);
          const targetElement = document.getElementById(targetId);
          if (targetElement) {
            targetElement.scrollIntoView({ behavior: 'smooth' });
          }
        }
      }}
      target={href.startsWith('http') ? '_blank' : undefined}
      rel={href.startsWith('http') ? 'noopener noreferrer' : undefined}
    >
      <AnimatePresence>
        {hoveredIndex === index && (
          <motion.span
            className="absolute inset-0 rounded-lg bg-gray-100"
            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>
  ))
}