{% extends "base.html" %}

{% block title %}Menu - Table {{ table_number }} - Tabble-v3{% endblock %}

{% block extra_css %}
<style>
    .menu-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 2rem 0;
    }
    
    .dish-card {
        transition: transform 0.2s;
        height: 100%;
    }
    
    .dish-card:hover {
        transform: translateY(-2px);
    }
    
    .dish-image {
        height: 200px;
        object-fit: cover;
    }
    
    .category-tab {
        border-radius: 25px;
        margin: 0 5px;
    }
    
    .cart-fab {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        z-index: 1000;
    }
    
    .cart-count {
        position: absolute;
        top: -5px;
        right: -5px;
        background: #dc3545;
        color: white;
        border-radius: 50%;
        width: 25px;
        height: 25px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: bold;
    }
</style>
{% endblock %}

{% block content %}
<!-- Menu Header -->
<div class="menu-header">
    <div class="container text-center">
        <h2>
            <i class="fas fa-utensils me-2"></i>
            Restaurant Menu
        </h2>
        <p class="mb-0">Table {{ table_number }} | Order ID: {{ unique_id }}</p>
    </div>
</div>

<div class="container mt-4">
    <!-- Table Info & Quick Actions -->
    <div class="row mb-4">
        <div class="col-md-8">
            <div class="card">
                <div class="card-body py-2">
                    <div class="row align-items-center">
                        <div class="col-sm-6">
                            <small class="text-muted">Dining at:</small>
                            <strong class="d-block">Demo Restaurant</strong>
                        </div>
                        <div class="col-sm-6 text-sm-end">
                            <small class="text-muted">Table {{ table_number }}</small>
                            <div class="badge bg-success ms-2">
                                <i class="fas fa-wifi me-1"></i>Connected
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="d-flex gap-2">
                <button class="btn btn-outline-primary flex-fill" onclick="viewOrders()">
                    <i class="fas fa-history me-1"></i>Orders
                </button>
                <button class="btn btn-outline-success flex-fill" onclick="callWaiter()">
                    <i class="fas fa-bell me-1"></i>Call Waiter
                </button>
            </div>
        </div>
    </div>

    <!-- Category Tabs -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="d-flex flex-wrap justify-content-center">
                <button class="btn btn-primary category-tab active" onclick="filterCategory('all')">
                    All Items
                </button>
                <button class="btn btn-outline-primary category-tab" onclick="filterCategory('starters')">
                    Starters
                </button>
                <button class="btn btn-outline-primary category-tab" onclick="filterCategory('main-course')">
                    Main Course
                </button>
                <button class="btn btn-outline-primary category-tab" onclick="filterCategory('beverages')">
                    Beverages
                </button>
                <button class="btn btn-outline-primary category-tab" onclick="filterCategory('desserts')">
                    Desserts
                </button>
            </div>
        </div>
    </div>

    <!-- Menu Items -->
    <div class="row" id="menu-items">
        <!-- Sample Dish 1 -->
        <div class="col-md-4 col-sm-6 mb-4 menu-item" data-category="main-course">
            <div class="card dish-card">
                <img src="https://images.unsplash.com/photo-1563379091339-03246963d96c?w=400&h=200&fit=crop" 
                     class="card-img-top dish-image" alt="Chicken Biryani">
                <div class="card-body">
                    <div class="d-flex justify-content-between align-items-start mb-2">
                        <h6 class="card-title mb-0">Chicken Biryani</h6>
                        <span class="badge bg-warning">
                            <i class="fas fa-pepper-hot"></i>
                        </span>
                    </div>
                    <p class="card-text text-muted small">
                        Aromatic basmati rice cooked with tender chicken and traditional spices
                    </p>
                    <div class="d-flex justify-content-between align-items-center">
                        <strong class="text-success">₹250</strong>
                        <div class="btn-group btn-group-sm">
                            <button class="btn btn-outline-secondary" onclick="updateQuantity('biryani', -1)">-</button>
                            <span class="btn btn-outline-secondary" id="qty-biryani">0</span>
                            <button class="btn btn-outline-secondary" onclick="updateQuantity('biryani', 1)">+</button>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Sample Dish 2 -->
        <div class="col-md-4 col-sm-6 mb-4 menu-item" data-category="starters">
            <div class="card dish-card">
                <img src="https://images.unsplash.com/photo-1599487488170-d11ec9c172f0?w=400&h=200&fit=crop" 
                     class="card-img-top dish-image" alt="Paneer Tikka">
                <div class="card-body">
                    <div class="d-flex justify-content-between align-items-start mb-2">
                        <h6 class="card-title mb-0">Paneer Tikka</h6>
                        <span class="badge bg-success">
                            <i class="fas fa-leaf"></i>
                        </span>
                    </div>
                    <p class="card-text text-muted small">
                        Marinated cottage cheese cubes grilled to perfection
                    </p>
                    <div class="d-flex justify-content-between align-items-center">
                        <strong class="text-success">₹180</strong>
                        <div class="btn-group btn-group-sm">
                            <button class="btn btn-outline-secondary" onclick="updateQuantity('paneer', -1)">-</button>
                            <span class="btn btn-outline-secondary" id="qty-paneer">0</span>
                            <button class="btn btn-outline-secondary" onclick="updateQuantity('paneer', 1)">+</button>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Sample Dish 3 -->
        <div class="col-md-4 col-sm-6 mb-4 menu-item" data-category="beverages">
            <div class="card dish-card">
                <img src="https://images.unsplash.com/photo-1571091718767-18b5b1457add?w=400&h=200&fit=crop" 
                     class="card-img-top dish-image" alt="Mango Lassi">
                <div class="card-body">
                    <div class="d-flex justify-content-between align-items-start mb-2">
                        <h6 class="card-title mb-0">Mango Lassi</h6>
                        <span class="badge bg-info">
                            <i class="fas fa-snowflake"></i>
                        </span>
                    </div>
                    <p class="card-text text-muted small">
                        Refreshing yogurt-based drink with fresh mango pulp
                    </p>
                    <div class="d-flex justify-content-between align-items-center">
                        <strong class="text-success">₹80</strong>
                        <div class="btn-group btn-group-sm">
                            <button class="btn btn-outline-secondary" onclick="updateQuantity('lassi', -1)">-</button>
                            <span class="btn btn-outline-secondary" id="qty-lassi">0</span>
                            <button class="btn btn-outline-secondary" onclick="updateQuantity('lassi', 1)">+</button>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Empty Menu State -->
    <div id="no-items" class="text-center py-5" style="display: none;">
        <i class="fas fa-search fa-3x text-muted mb-3"></i>
        <p class="text-muted">No items found in this category</p>
    </div>
</div>

<!-- Floating Cart Button -->
<button class="btn btn-success cart-fab" onclick="openCart()" id="cart-btn" style="display: none;">
    <i class="fas fa-shopping-cart"></i>
    <span class="cart-count" id="cart-count">0</span>
</button>

<!-- Cart Modal -->
<div class="modal fade" id="cartModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">
                    <i class="fas fa-shopping-cart me-2"></i>Your Order
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <div id="cart-items">
                    <!-- Cart items will be populated here -->
                </div>
                <hr>
                <div class="d-flex justify-content-between">
                    <strong>Total: ₹<span id="cart-total">0</span></strong>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
                    Continue Shopping
                </button>
                <button type="button" class="btn btn-success" onclick="placeOrder()">
                    <i class="fas fa-check me-2"></i>Place Order
                </button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    let cart = {};
    let dishes = {
        'biryani': { name: 'Chicken Biryani', price: 250 },
        'paneer': { name: 'Paneer Tikka', price: 180 },
        'lassi': { name: 'Mango Lassi', price: 80 }
    };
    
    function filterCategory(category) {
        // Update active tab
        document.querySelectorAll('.category-tab').forEach(tab => {
            tab.classList.remove('active', 'btn-primary');
            tab.classList.add('btn-outline-primary');
        });
        event.target.classList.remove('btn-outline-primary');
        event.target.classList.add('active', 'btn-primary');
        
        // Filter items
        const items = document.querySelectorAll('.menu-item');
        let visibleCount = 0;
        
        items.forEach(item => {
            const itemCategory = item.dataset.category;
            const show = category === 'all' || itemCategory === category;
            item.style.display = show ? 'block' : 'none';
            if (show) visibleCount++;
        });
        
        document.getElementById('no-items').style.display = visibleCount === 0 ? 'block' : 'none';
    }
    
    function updateQuantity(dishId, change) {
        if (!cart[dishId]) cart[dishId] = 0;
        cart[dishId] += change;
        
        if (cart[dishId] < 0) cart[dishId] = 0;
        if (cart[dishId] === 0) delete cart[dishId];
        
        document.getElementById(`qty-${dishId}`).textContent = cart[dishId] || 0;
        updateCartDisplay();
    }
    
    function updateCartDisplay() {
        const totalItems = Object.values(cart).reduce((sum, qty) => sum + qty, 0);
        const cartBtn = document.getElementById('cart-btn');
        const cartCount = document.getElementById('cart-count');
        
        if (totalItems > 0) {
            cartBtn.style.display = 'block';
            cartCount.textContent = totalItems;
        } else {
            cartBtn.style.display = 'none';
        }
    }
    
    function openCart() {
        const cartItems = document.getElementById('cart-items');
        const cartTotal = document.getElementById('cart-total');
        
        let html = '';
        let total = 0;
        
        for (let dishId in cart) {
            const dish = dishes[dishId];
            const qty = cart[dishId];
            const subtotal = dish.price * qty;
            total += subtotal;
            
            html += `
                <div class="d-flex justify-content-between align-items-center mb-2">
                    <div>
                        <strong>${dish.name}</strong>
                        <small class="text-muted d-block">₹${dish.price} each</small>
                    </div>
                    <div class="d-flex align-items-center">
                        <span class="me-3">Qty: ${qty}</span>
                        <strong>₹${subtotal}</strong>
                    </div>
                </div>
            `;
        }
        
        if (html === '') {
            html = '<p class="text-muted text-center">Your cart is empty</p>';
        }
        
        cartItems.innerHTML = html;
        cartTotal.textContent = total;
        
        new bootstrap.Modal(document.getElementById('cartModal')).show();
    }
    
    function placeOrder() {
        if (Object.keys(cart).length === 0) {
            alert('Your cart is empty!');
            return;
        }
        
        const total = Object.keys(cart).reduce((sum, dishId) => {
            return sum + (dishes[dishId].price * cart[dishId]);
        }, 0);
        
        const orderSummary = Object.keys(cart).map(dishId => {
            return `${cart[dishId]}x ${dishes[dishId].name}`;
        }).join(', ');
        
        if (confirm(`Place order for ₹${total}?\n\nItems: ${orderSummary}`)) {
            alert('Order placed successfully! You will receive updates on the status.');
            cart = {};
            updateCartDisplay();
            // Reset all quantities
            Object.keys(dishes).forEach(dishId => {
                document.getElementById(`qty-${dishId}`).textContent = '0';
            });
            bootstrap.Modal.getInstance(document.getElementById('cartModal')).hide();
        }
    }
    
    function viewOrders() {
        alert('Order history feature will show your past orders');
    }
    
    function callWaiter() {
        if (confirm('Call waiter to your table?')) {
            alert('Waiter has been notified and will be at your table shortly!');
        }
    }
</script>
{% endblock %}