---
const currentPath = Astro.url.pathname;

const navLinks = [
  { href: '/diensten', label: 'Diensten' },
  { href: '/pakketten', label: 'Pakketten' },
  { href: '/over', label: 'Over Ons' },
  { href: '/blog', label: 'Blog' },
];

function isActive(href: string): boolean {
  if (href === '/') return currentPath === '/';
  return currentPath.startsWith(href);
}
---

<header id="header" class="fixed top-0 left-0 right-0 z-50 transition-all duration-300">
  <nav class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
    <div class="flex h-20 items-center justify-between">
      <!-- Logo -->
      <a href="/" class="flex items-center gap-2.5 group">
        <div class="relative flex h-9 w-9 items-center justify-center rounded-lg bg-gradient-to-br from-accent-400 to-accent-600 transition-transform group-hover:scale-105">
          <span class="text-lg font-bold text-slate-950">S</span>
        </div>
        <span class="text-xl font-bold text-slate-50 tracking-tight">
          Site<span class="text-accent-400">Loft</span>
        </span>
      </a>

      <!-- Desktop Navigation -->
      <div class="hidden md:flex items-center gap-1">
        {navLinks.map((link) => (
          <a
            href={link.href}
            class:list={[
              'relative px-4 py-2 text-sm font-medium rounded-lg transition-colors',
              isActive(link.href)
                ? 'text-accent-400'
                : 'text-slate-400 hover:text-slate-100',
            ]}
          >
            {link.label}
            {isActive(link.href) && (
              <span class="absolute bottom-0 left-1/2 -translate-x-1/2 h-0.5 w-5 rounded-full bg-accent-400" />
            )}
          </a>
        ))}
      </div>

      <!-- CTA Button -->
      <div class="hidden md:flex items-center gap-3">
        <a
          href="/contact"
          class="inline-flex items-center gap-2 rounded-lg bg-accent-500 px-5 py-2.5 text-sm font-semibold text-slate-950 transition-all hover:bg-accent-400 hover:shadow-lg hover:shadow-accent-500/25"
        >
          Start je project
          <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
            <path stroke-linecap="round" stroke-linejoin="round" d="M13 7l5 5m0 0l-5 5m5-5H6" />
          </svg>
        </a>
      </div>

      <!-- Mobile menu button -->
      <button
        id="mobile-menu-btn"
        class="md:hidden flex items-center justify-center w-10 h-10 rounded-lg text-slate-400 hover:text-slate-100 hover:bg-slate-800/50 transition-colors"
        aria-label="Menu openen"
      >
        <svg id="menu-icon" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
          <path stroke-linecap="round" stroke-linejoin="round" d="M4 6h16M4 12h16M4 18h16" />
        </svg>
        <svg id="close-icon" class="h-6 w-6 hidden" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
          <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" />
        </svg>
      </button>
    </div>
  </nav>

  <!-- Mobile menu -->
  <div id="mobile-menu" class="hidden md:hidden">
    <div class="mx-4 mt-2 rounded-2xl glass p-4 space-y-1">
      {navLinks.map((link) => (
        <a
          href={link.href}
          class:list={[
            'block rounded-lg px-4 py-3 text-sm font-medium transition-colors',
            isActive(link.href)
              ? 'text-accent-400 bg-accent-500/10'
              : 'text-slate-300 hover:text-slate-100 hover:bg-slate-800/50',
          ]}
        >
          {link.label}
        </a>
      ))}
      <div class="pt-2">
        <a
          href="/contact"
          class="block w-full rounded-lg bg-accent-500 px-4 py-3 text-center text-sm font-semibold text-slate-950 transition-colors hover:bg-accent-400"
        >
          Start je project
        </a>
      </div>
    </div>
  </div>
</header>

<script>
  // Header scroll effect
  const header = document.getElementById('header');
  let lastScroll = 0;

  window.addEventListener('scroll', () => {
    const currentScroll = window.scrollY;

    if (currentScroll > 50) {
      header?.classList.add('glass', 'shadow-lg', 'shadow-slate-950/50');
    } else {
      header?.classList.remove('glass', 'shadow-lg', 'shadow-slate-950/50');
    }

    lastScroll = currentScroll;
  });

  // Mobile menu toggle
  const mobileMenuBtn = document.getElementById('mobile-menu-btn');
  const mobileMenu = document.getElementById('mobile-menu');
  const menuIcon = document.getElementById('menu-icon');
  const closeIcon = document.getElementById('close-icon');

  mobileMenuBtn?.addEventListener('click', () => {
    const isOpen = !mobileMenu?.classList.contains('hidden');
    mobileMenu?.classList.toggle('hidden');
    menuIcon?.classList.toggle('hidden');
    closeIcon?.classList.toggle('hidden');
    mobileMenuBtn.setAttribute('aria-label', isOpen ? 'Menu openen' : 'Menu sluiten');
  });
</script>