---
// src/components/Header.astro
import ThemeToggler from './ThemeToggler.astro';

// Define navigation items with proper URLs
const navItems = [
  { name: 'Home', url: '/' },
  { name: 'Blog', url: '/blog' },
  { name: 'Projects', url: '/projects' },
  { name: 'Home Lab', url: 'https://argobox.com' },
  { name: 'Resources', url: '/resources' },
  { name: 'About', url: 'https://laforceit.com' },
  { name: 'Contact', url: 'https://laforceit.com/index.html#contact' }
];

// Get current URL path for active nav item highlighting
const currentPath = Astro.url.pathname;
---

<header class="site-header">
  <div class="container header-container">
    <div class="logo-container">
      <a href="/" class="logo-link">
        <div class="logo">LF</div>
        <div class="site-name">
          <span class="site-title">LaForceIT</span>
          <span class="site-subtitle">Infrastructure & Automation</span>
        </div>
      </a>
    </div>

    <nav class="main-nav">
      <ul class="nav-list">
        {navItems.map(item => (
          <li class="nav-item">
            <a 
              href={item.url} 
              class={`nav-link ${currentPath === item.url || 
                (currentPath.startsWith(item.url) && item.url !== '/') ? 'active' : ''}`}
              target={item.url.startsWith('http') ? '_blank' : undefined}
              rel={item.url.startsWith('http') ? 'noopener noreferrer' : undefined}
            >
              {item.name}
            </a>
          </li>
        ))}
      </ul>
    </nav>

    <div class="header-actions">
      <div class="search-container">
        <button class="search-toggle" aria-label="Toggle search">
          <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
            <circle cx="11" cy="11" r="8"></circle>
            <line x1="21" y1="21" x2="16.65" y2="16.65"></line>
          </svg>
        </button>
        <div class="search-dropdown">
          <div class="search-input-wrapper">
            <input 
              type="search" 
              id="header-search" 
              placeholder="Search blog posts..." 
              class="search-input"
            />
            <button class="search-submit">
              <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                <polyline points="9 18 15 12 9 6"></polyline>
              </svg>
            </button>
          </div>
          <div class="search-results" id="search-results">
            <!-- Results will be populated by JS -->
          </div>
        </div>
      </div>
      <ThemeToggler />
    </div>

    <button class="mobile-menu-toggle" aria-label="Toggle menu">
      <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
        <line x1="3" y1="12" x2="21" y2="12"></line>
        <line x1="3" y1="6" x2="21" y2="6"></line>
        <line x1="3" y1="18" x2="21" y2="18"></line>
      </svg>
    </button>
  </div>
</header>

<style>
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.5rem 0;
    background: rgba(var(--bg-primary-rgb), 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    transition: all 0.3s ease;
  }
  
  .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
  }
  
  .logo-container {
    display: flex;
    align-items: center;
  }
  
  .logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
  }
  
  .logo {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-primary);
    font-weight: bold;
    border-radius: 8px;
    margin-right: 0.75rem;
    font-family: var(--font-sans);
  }
  
  .site-name {
    display: flex;
    flex-direction: column;
  }
  
  .site-title {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text-primary);
  }
  
  .site-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
  }
  
  .main-nav {
    display: flex;
    margin-left: auto;
  }
  
  .nav-list {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 1rem;
  }
  
  .nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    position: relative;
  }
  
  .nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
  }
  
  .nav-link.active {
    color: var(--accent-primary);
    font-weight: 500;
  }
  
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0.75rem;
    right: 0.75rem;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
  }
  
  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 1rem;
  }
  
  /* Search Dropdown Styles */
  .search-container {
    position: relative;
  }
  
  .search-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .search-toggle:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
  }
  
  .search-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 300px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 0.75rem;
    z-index: 10;
    transform-origin: top right;
    transform: scale(0.95);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s cubic-bezier(0.5, 0, 0, 1.25);
  }
  
  .search-dropdown.active {
    transform: scale(1);
    opacity: 1;
    visibility: visible;
  }
  
  .search-input-wrapper {
    display: flex;
    align-items: center;
    position: relative;
  }
  
  .search-input {
    width: 100%;
    padding: 0.6rem 2.5rem 0.6rem 0.75rem;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
  }
  
  .search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--glow-primary);
  }
  
  .search-submit {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
  }
  
  .search-submit:hover {
    color: var(--accent-primary);
  }
  
  .search-results {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 0.75rem;
  }
  
  .search-result-item {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-primary);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .search-result-item:last-child {
    border-bottom: none;
  }
  
  .search-result-item:hover {
    background: rgba(var(--bg-tertiary-rgb), 0.5);
  }
  
  .search-result-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
  }
  
  .search-result-snippet {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .no-results {
    padding: 1rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
  }
  
  /* Mobile Menu Toggle */
  .mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
  }
  
  /* Responsive Adjustments */
  @media (max-width: 1024px) {
    .nav-link {
      padding: 0.5rem;
    }
  }
  
  @media (max-width: 768px) {
    .main-nav {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--bg-secondary);
      padding: 1rem;
      border-bottom: 1px solid var(--border-primary);
    }
    
    .main-nav.active {
      display: block;
    }
    
    .nav-list {
      flex-direction: column;
      gap: 0.5rem;
    }
    
    .nav-link {
      display: block;
      padding: 0.75rem 1rem;
    }
    
    .nav-link.active::after {
      display: none;
    }
    
    .mobile-menu-toggle {
      display: block;
    }
    
    .search-dropdown {
      width: 260px;
    }
  }
</style>

<script>
  document.addEventListener('DOMContentLoaded', () => {
    // Mobile menu toggle
    const mobileMenuToggle = document.querySelector('.mobile-menu-toggle');
    const mainNav = document.querySelector('.main-nav');
    
    mobileMenuToggle?.addEventListener('click', () => {
      mainNav?.classList.toggle('active');
    });
    
    // Search dropdown toggle
    const searchToggle = document.querySelector('.search-toggle');
    const searchDropdown = document.querySelector('.search-dropdown');
    const searchInput = document.querySelector('#header-search');
    
    searchToggle?.addEventListener('click', (e) => {
      e.stopPropagation();
      searchDropdown?.classList.toggle('active');
      
      if (searchDropdown?.classList.contains('active')) {
        // Focus the search input when dropdown is shown
        setTimeout(() => {
          searchInput?.focus();
        }, 100);
      }
    });
    
    // Close search dropdown when clicking outside
    document.addEventListener('click', (e) => {
      if (!e.target.closest('.search-container')) {
        searchDropdown?.classList.remove('active');
      }
    });
    
    // Search functionality - client-side post filtering
    const searchResults = document.getElementById('search-results');
    
    // Function to perform search
    const performSearch = async (query) => {
      if (!query || query.length < 2) {
        // Clear results if query is too short
        if (searchResults) {
          searchResults.innerHTML = '';
        }
        return;
      }
      
      try {
        // This would ideally be a server-side search or a pre-built index
        // For now, we'll just fetch all posts and filter client-side
        const response = await fetch('/search-index.json');
        if (!response.ok) throw new Error('Failed to fetch search data');
        
        const posts = await response.json();
        const results = posts.filter(post => {
          const lowerQuery = query.toLowerCase();
          return (
            post.title.toLowerCase().includes(lowerQuery) ||
            post.description?.toLowerCase().includes(lowerQuery) ||
            post.tags?.some(tag => tag.toLowerCase().includes(lowerQuery))
          );
        }).slice(0, 5); // Limit to 5 results
        
        // Display results
        if (searchResults) {
          if (results.length > 0) {
            searchResults.innerHTML = results.map(post => `
              <div class="search-result-item" data-url="/posts/${post.slug}/">
                <div class="search-result-title">${post.title}</div>
                <div class="search-result-snippet">${post.description || ''}</div>
              </div>
            `).join('');
            
            // Add click handlers to results
            document.querySelectorAll('.search-result-item').forEach(item => {
              item.addEventListener('click', () => {
                window.location.href = item.dataset.url;
              });
            });
          } else {
            searchResults.innerHTML = '<div class="no-results">No matching posts found</div>';
          }
        }
      } catch (error) {
        console.error('Search error:', error);
        if (searchResults) {
          searchResults.innerHTML = '<div class="no-results">Error performing search</div>';
        }
      }
    };
    
    // Search input event handler
    let searchTimeout;
    searchInput?.addEventListener('input', (e) => {
      clearTimeout(searchTimeout);
      searchTimeout = setTimeout(() => {
        performSearch(e.target.value);
      }, 300); // Debounce to avoid too many searches while typing
    });
    
    // Handle search form submission
    const searchForm = searchInput?.closest('form');
    searchForm?.addEventListener('submit', (e) => {
      e.preventDefault();
      performSearch(searchInput.value);
    });
    
    // Handle search-submit button click
    const searchSubmit = document.querySelector('.search-submit');
    searchSubmit?.addEventListener('click', () => {
      performSearch(searchInput?.value || '');
    });
  });
</script>