"use client";

import { useState, useEffect } from 'react';
import Link from 'next/link';
import { useRouter } from 'next/navigation';

export default function Navbar() {
  const [isOpen, setIsOpen] = useState(false);
  const [mobileProductsOpen, setMobileProductsOpen] = useState(false);
  const [isLogged, setIsLogged] = useState(false);
  const [showLogoutConfirm, setShowLogoutConfirm] = useState(false);
  const router = useRouter();

  useEffect(() => {
    const checkAuth = () => {
      const uid = localStorage.getItem('vgproducts_uid') || sessionStorage.getItem('USERID');
      setIsLogged(!!uid);
    };
    checkAuth();
    // Check periodically or handle logout event
    window.addEventListener('storage', checkAuth);
    return () => window.removeEventListener('storage', checkAuth);
  }, []);

  const handleLogoutClick = () => {
    setShowLogoutConfirm(true);
  };

  const performLogout = () => {
    localStorage.removeItem('vgproducts_uid');
    localStorage.removeItem('d4a_email');
    sessionStorage.removeItem('USERID');
    setIsLogged(false);
    setIsOpen(false);
    setShowLogoutConfirm(false);
    router.push('/');
    // trigger state update for other components
    window.dispatchEvent(new Event('storage'));
  };

  const toggleMenu = () => setIsOpen(!isOpen);

  return (
    <>
      <nav>
        <Link href="/" className="nav-logo">
          {/* <div className="lm">VG</div> */}
          <img src="/assets/vg-fence.png" alt="VG Fence Products" />
        </Link>

        <ul className="nav-links">
          <li className="nav-dropdown-wrap">
            <Link href="#">Products <span className="chevron-down">⌵</span></Link>
            <ul className="nav-dropdown">
              <li><Link href="/products/chain-link-fence">Chain Link Fence</Link></li>
              {/* <li><Link href="#">Aluminum Railing</Link></li>
              <li><Link href="#">Composite Fences</Link></li>
              <li><Link href="#">Glass Railing</Link></li>
              <li><Link href="#">Ornamental Fence</Link></li>
              <li><Link href="#">Expert Stain & Seal</Link></li>
              <li><Link href="#">Fence Armor</Link></li>
              <li><Link href="#">Temporary Fence</Link></li> */}
            </ul>
          </li>
          <li><Link href="/services">Services</Link></li>
          <li><Link href="/who-we-serve">Who We Serve</Link></li>
          <li><Link href="/contact">Contact</Link></li>
        </ul>

        <div className="nav-right">
          {isLogged ? (
            <button onClick={handleLogoutClick} className="nav-login" style={{ background: 'none', cursor: 'pointer' }}>Logout</button>
          ) : (
            <Link href="/login" className="nav-login">Contractor Login</Link>
          )}
          <Link href="/contact" className="nav-cta">Get a Quote</Link>
          <button className="nav-hamburger" onClick={toggleMenu}>
            <span></span>
            <span></span>
            <span></span>
          </button>
        </div>
      </nav>

      <div className={`mobile-menu ${isOpen ? 'open' : ''}`}>
        <div className="mobile-dropdown-section">
          <button 
            className="mobile-dropdown-btn" 
            onClick={() => setMobileProductsOpen(!mobileProductsOpen)}
          >
            Products
            <span className={`chevron-down ${mobileProductsOpen ? 'rotated' : ''}`}>⌵</span>
          </button>
          
          <div className={`mobile-dropdown-content ${mobileProductsOpen ? 'show' : ''}`}>
            <Link href="/products/chain-link-fence" onClick={() => setIsOpen(false)}>Chain Link Fence</Link>
            {/* <Link href="#" onClick={() => setIsOpen(false)}>Aluminum Railing</Link>
            <Link href="#" onClick={() => setIsOpen(false)}>Composite Fences</Link>
            <Link href="#" onClick={() => setIsOpen(false)}>Glass Railing</Link>
            <Link href="#" onClick={() => setIsOpen(false)}>Ornamental Fence</Link> */}
          </div>
        </div>
        <Link href="/services" onClick={() => setIsOpen(false)}>Services</Link>
        <Link href="/who-we-serve" onClick={() => setIsOpen(false)}>Who We Serve</Link>
        <Link href="/contact" onClick={() => setIsOpen(false)}>Contact</Link>
        
        <div className="mobile-menu-actions">
          {isLogged ? (
            <button onClick={() => { performLogout(); setIsOpen(false); }} className="mobile-login-btn">Logout</button>
          ) : (
            <Link href="/login" onClick={() => setIsOpen(false)} className="mobile-login-btn">Contractor Login</Link>
          )}
          <Link href="/contact" className="mobile-cta" onClick={() => setIsOpen(false)}>Get a Quote</Link>
        </div>
      </div>

      {showLogoutConfirm && (
        <div style={{
          position: 'fixed', top: 0, left: 0, right: 0, bottom: 0,
          backgroundColor: 'rgba(0,10,30,0.7)', display: 'flex',
          justifyContent: 'center', alignItems: 'center', zIndex: 99999,
          backdropFilter: 'blur(4px)'
        }}>
          <div style={{
            background: '#ffffff', padding: '32px', borderRadius: '12px',
            width: '90%', maxWidth: '400px', boxShadow: '0 25px 50px -12px rgba(0, 0, 0, 0.25)',
            textAlign: 'center'
          }}>
            <h3 style={{ fontSize: '24px', fontWeight: 800, color: 'var(--navy)', marginBottom: '12px', fontFamily: 'var(--fd)' }}>Confirm Logout</h3>
            <p style={{ color: 'var(--gray-600)', marginBottom: '32px', fontSize: '15px', lineHeight: 1.5 }}>
              Are you sure you want to log out of your account?
            </p>
            <div style={{ display: 'flex', gap: '16px', justifyContent: 'center' }}>
              <button onClick={() => setShowLogoutConfirm(false)} className="btn-secondary" style={{ flex: 1, padding: '12px', border: '1px solid var(--gray-300)', color: 'var(--gray-700)', borderRadius: '6px', fontWeight: 600, cursor: 'pointer' }}>Cancel</button>
              <button onClick={performLogout} className="btn-primary" style={{ flex: 1, padding: '12px', background: 'var(--orange)', color: '#fff', border: 'none', borderRadius: '6px', fontWeight: 600, cursor: 'pointer' }}>Logout</button>
            </div>
          </div>
        </div>
      )}
    </>
  );
}
