// Initialize cart if not exists
if (!localStorage.getItem('cart')) {
  localStorage.setItem('cart', JSON.stringify([]));
}

// Update cart counter
function updateCartCounter() {
  const cart = JSON.parse(localStorage.getItem('cart'));
  const counters = document.querySelectorAll('custom-navbar').forEach(nav => {
    const counter = nav.shadowRoot.querySelector('.cart-counter');
    if (counter) {
      counter.textContent = cart.length;
      counter.style.display = cart.length ? 'block' : 'none';
    }
});

// Initialize cart counter on page load
document.addEventListener('DOMContentLoaded', function() {
  updateCartCounter();
  
  // Load wishlist status
  const wishlist = JSON.parse(localStorage.getItem('wishlist') || '[]');
  document.querySelectorAll('.wishlist-btn').forEach(btn => {
    const productName = btn.closest('.product-card, .promotion-card').querySelector('h3').textContent;
    if (wishlist.some(p => p.name === productName)) {
      btn.classList.add('active');
    }
  });
});
}

// Add to cart functionality
document.addEventListener('click', function(e) {
  if (e.target.classList.contains('add-to-cart')) {
    const productCard = e.target.closest('.product-card, .promotion-card');
    const product = {
      name: productCard.querySelector('h3').textContent,
      price: productCard.querySelector('.price').textContent,
      image: productCard.querySelector('img').src
    };
    
    const cart = JSON.parse(localStorage.getItem('cart'));
    cart.push(product);
    localStorage.setItem('cart', JSON.stringify(cart));
    alert(`${product.name} a été ajouté à votre panier`);
    updateCartCounter();
}
});
// Wishlist functionality
document.addEventListener('click', function(e) {
  if (e.target.classList.contains('wishlist-btn')) {
    e.target.classList.toggle('active');
    const productCard = e.target.closest('.product-card, .promotion-card');
    const product = {
      name: productCard.querySelector('h3').textContent,
      price: productCard.querySelector('.price').textContent,
      image: productCard.querySelector('img').src
    };
    
    let wishlist = JSON.parse(localStorage.getItem('wishlist') || '[]');
    if (e.target.classList.contains('active')) {
      wishlist.push(product);
    } else {
      wishlist = wishlist.filter(p => p.name !== product.name);
    }
    localStorage.setItem('wishlist', JSON.stringify(wishlist));
  }
});

// Product rating
document.addEventListener('click', function(e) {
  if (e.target.classList.contains('star-rating')) {
    const rating = parseInt(e.target.dataset.rating);
    const productCard = e.target.closest('.product-card, .promotion-card');
    const stars = productCard.querySelectorAll('.star-rating');
    
    stars.forEach((star, index) => {
      star.classList.toggle('active', index < rating);
    });
    
    // In a real app, you would save this rating to your database
    console.log(`Rated ${productCard.querySelector('h3').textContent} with ${rating} stars`);
  }
});

// Search functionality
document.addEventListener('DOMContentLoaded', function() {
  const searchInput = document.querySelector('custom-navbar').shadowRoot.querySelector('input');
  if (searchInput) {
    searchInput.addEventListener('keypress', function(e) {
      if (e.key === 'Enter') {
        window.location.href = `/search.html?q=${encodeURIComponent(this.value)}`;
      }
    });
  }
});