'use client'

import { useState, useEffect } from 'react'
import Link from 'next/link'
import Image from 'next/image'
import { motion, AnimatePresence } from 'framer-motion'
import { Menu, X } from 'lucide-react'

const APP_STORE_URL = 'https://apps.apple.com/gb/app/sauci-couple-games-romance/id6757159885'
const PLAY_STORE_URL = 'https://play.google.com/store/apps/details?id=com.sauci.app'

export default function Navbar() {

  const [isScrolled, setIsScrolled] = useState(false)
  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false)
  const [downloadUrl, setDownloadUrl] = useState(APP_STORE_URL)


  useEffect(() => {
    const handleScroll = () => {
      setIsScrolled(window.scrollY > 20)
    }
    window.addEventListener('scroll', handleScroll)
    return () => window.removeEventListener('scroll', handleScroll)
  }, [])

  useEffect(() => {
    const userAgent = navigator.userAgent || ''
    if (/Android/i.test(userAgent)) {
      setDownloadUrl(PLAY_STORE_URL)
    }
  }, [])


  return (
    <motion.nav
      initial={{ y: -100 }}
      animate={{ y: 0 }}
      className={`fixed top-0 left-0 right-0 z-50 transition-all duration-300 ${
        isScrolled ? 'glass py-4' : 'py-6'
      }`}
    >
      <div className="max-w-7xl mx-auto px-6 flex items-center justify-between">
        <Link href="/" className="flex items-center gap-3">
          <Image
            src="/logo.png"
            alt="Sauci"
            width={40}
            height={40}
            className="w-10 h-10"
          />
          <span className="text-2xl font-bold gradient-text">Sauci</span>
        </Link>

        {/* Desktop Navigation */}
        <div className="hidden md:flex items-center gap-8">
          <a href="#features" className="text-white/70 hover:text-white transition-colors">
            Features
          </a>
          <a href="#how-it-works" className="text-white/70 hover:text-white transition-colors">
            How It Works
          </a>
          <a href="#pricing" className="text-white/70 hover:text-white transition-colors">
            Pro
          </a>
          <a href="#faq" className="text-white/70 hover:text-white transition-colors">
            FAQ
          </a>
          <a
            href={downloadUrl}
            target="_blank"
            rel="noopener noreferrer"
            className="btn-primary text-sm py-3 px-6"
          >
            Download App
          </a>

        </div>

        {/* Mobile Menu Button */}
        <button
          className="md:hidden text-white"
          onClick={() => setIsMobileMenuOpen(!isMobileMenuOpen)}
        >
          {isMobileMenuOpen ? <X size={24} /> : <Menu size={24} />}
        </button>
      </div>

      {/* Mobile Menu */}
      <AnimatePresence>
        {isMobileMenuOpen && (
          <motion.div
            initial={{ opacity: 0, y: -20 }}
            animate={{ opacity: 1, y: 0 }}
            exit={{ opacity: 0, y: -20 }}
            transition={{ duration: 0.2 }}
            className="md:hidden glass mt-4 mx-6 p-6"
          >
            <div className="flex flex-col gap-4">
              <a
                href="#features"
                className="text-white/70 hover:text-white transition-colors"
                onClick={() => setIsMobileMenuOpen(false)}
              >
                Features
              </a>
              <a
                href="#how-it-works"
                className="text-white/70 hover:text-white transition-colors"
                onClick={() => setIsMobileMenuOpen(false)}
              >
                How It Works
              </a>
              <a
                href="#pricing"
                className="text-white/70 hover:text-white transition-colors"
                onClick={() => setIsMobileMenuOpen(false)}
              >
                Pro
              </a>
              <a
                href="#faq"
                className="text-white/70 hover:text-white transition-colors"
                onClick={() => setIsMobileMenuOpen(false)}
              >
                FAQ
              </a>
              <a
                href={downloadUrl}
                target="_blank"
                rel="noopener noreferrer"
                className="btn-primary text-sm py-3 px-6 text-center"
              >
                Download App
              </a>

            </div>
          </motion.div>
        )}
      </AnimatePresence>
    </motion.nav>
  )
}