// Product Data
const products = [
    // Clothing Items
    {
        id: 1,
        name: "Silk Evening Gown",
        category: "clothing",
        price: 1299,
        originalPrice: 1599,
        image: "https://images.unsplash.com/photo-1594633312681-425c7b97ccd1?w=400&q=80",
        badge: "NEW",
        rating: 5,
        description: "Exquisite silk evening gown with intricate beadwork"
    },
    {
        id: 2,
        name: "Cashmere Coat",
        category: "clothing",
        price: 899,
        originalPrice: 1199,
        image: "https://images.unsplash.com/photo-1551028719-00167b16eac5?w=400&q=80",
        badge: "SALE",
        rating: 4.5,
        description: "Luxurious 100% cashmere winter coat"
    },
    {
        id: 3,
        name: "Designer Blazer",
        category: "clothing",
        price: 699,
        originalPrice: null,
        image: "https://images.unsplash.com/photo-1539533113208-f6df8cc8b543?w=400&q=80",
        badge: null,
        rating: 4,
        description: "Tailored wool blazer with gold buttons"
    },
    {
        id: 4,
        name: "Lace Evening Dress",
        category: "clothing",
        price: 999,
        originalPrice: 1299,
        image: "https://images.unsplash.com/photo-1596755094514-f87e34085b2c?w=400&q=80",
        badge: "NEW",
        rating: 5,
        description: "Elegant lace dress perfect for formal occasions"
    },
    {
        id: 5,
        name: "Silk Blouse",
        category: "clothing",
        price: 449,
        originalPrice: null,
        image: "https://images.unsplash.com/photo-1583743814966-8936f5b7be1a?w=400&q=80",
        badge: null,
        rating: 4.5,
        description: "Classic silk blouse with French cuffs"
    },
    // Bedding Items
    {
        id: 6,
        name: "Egyptian Cotton Set",
        category: "bedding",
        price: 599,
        originalPrice: 799,
        image: "https://images.unsplash.com/photo-1586023492125-27b2c045efd7?w=400&q=80",
        badge: "BESTSELLER",
        rating: 5,
        description: "1000 thread count Egyptian cotton bedding set"
    },
    {
        id: 7,
        name: "Silk Duvet Cover",
        category: "bedding",
        price: 449,
        originalPrice: null,
        image: "https://images.unsplash.com/photo-1615874959474-d609969a20ed?w=400&q=80",
        badge: "NEW",
        rating: 4.5,
        description: "Luxurious 100% mulberry silk duvet cover"
    },
    {
        id: 8,
        name: "Luxury Throw Pillows",
        category: "bedding",
        price: 199,
        originalPrice: 249,
        image: "https://images.unsplash.com/photo-1595526114035-0d45ed16cfbf?w=400&q=80",
        badge: null,
        rating: 4,
        description: "Set of 2 decorative throw pillows with gold embroidery"
    },
    {
        id: 9,
        name: "Premium Comforter",
        category: "bedding",
        price: 799,
        originalPrice: null,
        image: "https://images.unsplash.com/photo-1560448204-e02f11c3d0e2?w=400&q=80",
        badge: null,
        rating: 5,
        description: "Hypoallergenic down alternative comforter"
    },
    {
        id: 10,
        name: "Bamboo Sheet Set",
        category: "bedding",
        price: 349,
        originalPrice: 449,
        image: "https://images.unsplash.com/photo-1616627561950-6d7e08b38c0a?w=400&q=80",
        badge: "ECO",
        rating: 4.5,
        description: "Sustainable bamboo fiber sheet set"
    }
];

// Cart State
let cart = JSON.parse(localStorage.getItem('cart')) || [];
let wishlist = JSON.parse(localStorage.getItem('wishlist')) || [];

// Initialize
document.addEventListener('DOMContentLoaded', function() {
    feather.replace();
    renderProducts('all');
    updateCartBadge();
    setupEventListeners();
    
    // Hide loading screen
    setTimeout(() => {
        document.querySelector('.loading-screen').classList.add('hidden');
    }, 1000);
});

// Setup Event Listeners
function setupEventListeners() {
    // Back to top button
    const backToTop = document.getElementById('backToTop');
    window.addEventListener('scroll', () => {
        if (window.scrollY > 500) {
            backToTop.classList.remove('opacity-0', 'invisible');
            backToTop.classList.add('opacity-100', 'visible');
        } else {
            backToTop.classList.add('opacity-0', 'invisible');
            backToTop.classList.remove('opacity-100', 'visible');
        }
    });
}

// Render Products
function renderProducts(category) {
    const grid = document.getElementById('products-grid');
    const filteredProducts = category === 'all' 
        ? products 
        : category === 'new'
        ? products.filter(p => p.badge === 'NEW')
        : products.filter(p => p.category === category);
    
    grid.innerHTML = filteredProducts.map(product => `
        <div class="product-card" data-id="${product.id}">
            <div class="product-image-wrapper">
                <img src="${product.image}" alt="${product.name}" class="product-image">
                ${product.badge ? `<span class="product-badge">${product.badge}</span>` : ''}
                <button onclick="toggleWishlist(${product.id})" class="wishlist-btn ${wishlist.includes(product.id) ? 'active' : ''}">
                    <i data-feather="heart" class="w-5 h-5"></i>
                </button>
                <div class="product-overlay">
                    <div class="product-actions">
                        <button onclick="quickView(${product.id})" class="action-btn">
                            <i data-feather="eye" class="w-4 h-4 inline mr-1"></i> Quick View
                        </button>
                        <button onclick="addToCart(${product.id})" class="action-btn">
                            <i data-feather="shopping-cart" class="w-4 h-4 inline mr-1"></i> Add to Cart
                        </button>
                    </div>
                </div>
            </div>
            <div class="product-info">
                <h3 class="product-name">${product.name}</h3>
                <div class="product-rating">
                    ${generateStars(product.rating)}
                    <span class="text-sm text-gray-500 ml-2">(${product.rating})</span>
                </div>
                <div class="product-price">
                    $${product.price}
                    ${product.originalPrice ? `<span class="product-original-price">$${product.originalPrice}</span>` : ''}
                </div>
            </div>
        </div>
    `).join('');
    
    feather.replace();
}

// Generate Star Rating
function generateStars(rating) {
    let stars = '';
    for (let i = 1; i <= 5; i++) {
        if (i <= Math.floor(rating)) {
            stars += '<i data-feather="star" class="star fill-current"></i>';
        } else if (i - 0.5 <= rating) {
            stars += '<i data-feather="star" class="star fill-current opacity-50"></i>';
        } else {
            stars += '<i data-feather="star" class="star opacity-30"></i>';
        }
    }
    return stars;
}

// Filter Products
function filterProducts(category) {
    // Update active button
    document.querySelectorAll('.filter-btn').forEach(btn => {
        btn.classList.remove('active', 'bg-amber-500', 'text-white', 'border-amber-500');
        btn.classList.add('border-gray-300', 'text-gray-600');
    });
    event.target.classList.add('active', 'bg-amber-500', 'text-white', 'border-amber-500');
    event.target.classList.remove('border-gray-300', 'text-gray-600');
    
    renderProducts(category);
}

// Cart Functions
function addToCart(productId) {
    const product = products.find(p => p.id === productId);
    const existingItem = cart.find(item => item.id === productId);
    
    if (existingItem) {
        existingItem.quantity++;
    } else {
        cart.push({ ...product, quantity: 1 });
    }
    
    localStorage.setItem('cart', JSON.stringify(cart));
    updateCartBadge();
    showNotification('Product added to cart!', 'success');
    openCartSidebar();
}

function removeFromCart(productId) {
    cart = cart.filter(item => item.id !== productId);
    localStorage.setItem('cart', JSON.stringify(cart));
    updateCartBadge();
    renderCart();
}

function updateQuantity(productId, change) {
    const item = cart.find(item => item.id === productId);
    if (item) {
        item.quantity += change;
        if (item.quantity <= 0) {
            removeFromCart(productId);
        } else {
            localStorage.setItem('cart', JSON.stringify(cart));
            renderCart();
        }
    }
}

function updateCartBadge() {
    const totalItems = cart.reduce((sum, item) => sum + item.quantity, 0);
    const badge = document.querySelector('.cart-badge');
    if (badge) {
        badge.textContent = totalItems;
        badge.style.display = totalItems > 0 ? 'flex' : 'none';
    }
}

// Wishlist Functions
function toggleWishlist(productId) {
    const index = wishlist.indexOf(productId);
    if (index > -1) {
        wishlist.splice(index, 1);
        showNotification('Removed from wishlist', 'info');
    } else {
        wishlist.push(productId);
        showNotification('Added to wishlist!', 'success');
    }
    localStorage.setItem('wishlist', JSON.stringify(wishlist));
    
    // Update button state
    const btn = event.target.closest('.wishlist-btn');
    btn.classList.toggle('active');
}

// Quick View
function quickView(productId) {
    const product = products.find(p => p.id === productId);
    const modal = document.querySelector('.quick-view-modal');
    const content = modal.querySelector('.quick-view-content');
    
    content.innerHTML = `
        <div class="bg-white rounded-2xl max-w-4xl w-full max-h-[90vh] overflow-y-auto">
            <div class="grid grid-cols-1 md:grid-cols-2">
                <div class="relative">
                    <img src="${product.image}" alt="${product.name}" class="w-full h-full object-cover rounded-tl-2xl rounded-bl-2xl">
                    ${product.badge ? `<span class="absolute top-4 right-4 px-3 py-1 bg-amber-500 text-white text-xs font-semibold tracking-wider rounded-full">${product.badge}</span>` : ''}
                </div>
                <div class="p-8">
                    <h2 class="text-3xl font-serif mb-4">${product.name}</h2>
                    <div class="product-rating mb-4">
                        ${generateStars(product.rating)}
                        <span class="text-sm text-gray-500 ml-2">(${product.rating} ratings)</span>
                    </div>
                    <p class="text-gray-600 mb-6">${product.description}</p>
                    <div class="flex items-center gap-4 mb-6">
                        <span class="text-3xl font-semibold text-amber-600">$${product.price}</span>
                        ${product.originalPrice ? `<span class="text-xl text-gray-400 line-through">$${product.originalPrice}</span>` : ''}
                    </div>
                    <div class="mb-6">
                        <label class="block text-sm font-medium mb-2">Quantity</label>
                        <div class="flex items-center gap-3">
                            <button onclick="updateQuantityInput(-1)" class="w-10 h-10 border border-gray-300 rounded-lg hover:bg-gray-100">-</button>
                            <input type="number" id="quickViewQuantity" value="1" min="1" class="w-20 text-center border border-gray-300 rounded-lg">
                            <button onclick="updateQuantityInput(1)" class="w-10 h-10 border border-gray-300 rounded-lg hover:bg-gray-100">+</button>
                        </div>
                    </div>
                    <div class="flex gap-4">
                        <button onclick="addToCartFromQuickView(${product.id})" class="flex-1 px-6 py-3 bg-amber-500 text-white font-medium rounded-lg hover:bg-amber-600 transition-colors">
                            Add to Cart
                        </button>
                        <button onclick="toggleWishlist(${product.id}); closeQuickView();" class="px-6 py-3 border border-gray-300 rounded-lg hover:bg-gray-100 transition-colors">
                            <i data-feather="heart" class="w-5 h-5"></i>
                        </button>
                    </div>
                </div>
            </div>
            <button onclick="closeQuickView()" class="absolute top-4 right-4 w-10 h-10 bg-white rounded-full flex items-center justify-center hover:bg-gray-100">
                <i data-feather="x" class="w-5 h-5"></i>
            </button>
        </div>
    `;
    
    modal.classList.add('active');
    feather.replace();
}

function updateQuantityInput(change) {
    const input = document.getElementById('quickViewQuantity');
    const newValue = parseInt(input.value) + change;
    if (newValue >= 1) {
        input.value = newValue;
    }
}

function addToCartFromQuickView(productId) {
    const quantity = parseInt(document.getElementById('quickViewQuantity').value);
    const product = products.find(p => p.id === productId);
    const existingItem = cart.find(item => item.id === productId);
    
    if (existingItem) {
        existingItem.quantity += quantity;
    } else {
        cart.push({ ...product, quantity });
    }
    
    localStorage.setItem('cart', JSON.stringify(cart));
    updateCartBadge();
    closeQuickView();
    showNotification('Product added to cart!', 'success');
    openCartSidebar();
}

function closeQuickView() {
    document.querySelector('.quick-view-modal').classList.remove('active');
}

// Cart Sidebar
function openCartSidebar() {
    document.querySelector('.cart-sidebar').classList.add('active');
    document.querySelector('.cart-overlay').classList.add('active');
    renderCart();
}

function closeCartSidebar() {
    document.querySelector('.cart-sidebar').classList.remove('active');
    document.querySelector('.cart-overlay').classList.remove('active');
}

function renderCart() {
    const cartItems = document.querySelector('.cart-items');
    const cartTotal = document.querySelector('.cart-total');
    
    if (cart.length === 0) {
        cartItems.innerHTML = `
            <div class="text-center py-12">
                <i data-feather="shopping-cart" class="w-16 h-16 mx-auto text-gray-300 mb-4"></i>
                <p class="text-gray-500">Your cart is empty</p>
            </div>
        `;
    } else {
        cartItems.innerHTML = cart.map(item => `
            <div class="flex gap-4 py-4 border-b">
                <img src="${item.image}" alt="${item.name}" class="w-20 h-20 object-cover rounded-lg">
                <div class="flex-1">
                    <h4 class="font-medium">${item.name}</h4>
                    <p class="text-amber-600 font-semibold">$${item.price}</p>
                    <div class="flex items-center gap-2 mt-2">
                        <button onclick="updateQuantity(${item.id}, -1)" class="w-8 h-8 border rounded hover:bg-gray-100">-</button>
                        <span class="w-12 text-center">${item.quantity}</span>
                        <button onclick="updateQuantity(${item.id}, 1)" class="w-8 h-8 border rounded hover:bg-gray-100">+</button>
                    </div>
                </div>
                <button onclick="removeFromCart(${item.id})" class="text-gray-400 hover:text-red-500">
                    <i data-feather="trash-2" class="w-5 h-5"></i>
                </button>
            </div>
        `).join('');
    }
    
    const total = cart.reduce((sum, item) => sum + (item.price * item.quantity), 0);
    cartTotal.innerHTML = `
        <div class="border-t pt-4">
            <div class="flex justify-between mb-2">
                <span