in this codes (    <?php
    // public/orders/add_order.php
    
    // Enable error reporting for debugging (disable in production)
    ini_set('display_errors', 1);
    ini_set('display_startup_errors', 1);
    error_reporting(E_ALL);
    
    // Start output buffering to prevent "headers already sent" errors
    ob_start();
    
    // Include authentication, database connection, and functions
    require_once __DIR__ . '/../../includes/auth.php';
    require_once __DIR__ . '/../../includes/db_connect.php';
    require_once __DIR__ . '/../../includes/functions.php'; // Include the functions.php for sanitize_input()
    
    // Initialize variables
    $success = '';
    $error = '';
    
    // Define an array of countries with their dialing codes
    $countries = [
        "Afghanistan" => "+93",
        "Albania" => "+355",
        "Algeria" => "+213",
        "Andorra" => "+376",
        "Angola" => "+244",
        "Antigua and Barbuda" => "+1-268",
        "Argentina" => "+54",
        "Armenia" => "+374",
        "Australia" => "+61",
        "Austria" => "+43",
        "Azerbaijan" => "+994",
        "Bahamas" => "+1-242",
        "Bahrain" => "+973",
        "Bangladesh" => "+880",
        "Barbados" => "+1-246",
        "Belarus" => "+375",
        "Belgium" => "+32",
        "Belize" => "+501",
        "Benin" => "+229",
        "Bhutan" => "+975",
        "Bolivia" => "+591",
        "Bosnia and Herzegovina" => "+387",
        "Botswana" => "+267",
        "Brazil" => "+55",
        "Brunei" => "+673",
        "Bulgaria" => "+359",
        "Burkina Faso" => "+226",
        "Burundi" => "+257",
        // ... (Add all other countries as needed)
        "Kuwait" => "+965",
        // Continue adding countries up to the desired list
    ];
    
    // Fetch products for selection
    $products_sql = "SELECT * FROM products ORDER BY name ASC";
    $products_result = $conn->query($products_sql);
    
    if (!$products_result) {
        die("Error fetching products: " . $conn->error);
    }
    
    // Initialize priority with default value
    $priority = 'Normal';
    
    // Handle form submission
    if ($_SERVER['REQUEST_METHOD'] == 'POST') {
        // Sanitize and validate input
        $selected_country = sanitize_input($_POST['country'] ?? '+965');
        $contact_input = sanitize_input($_POST['contact'] ?? '');
        $delivery_address = sanitize_input($_POST['delivery_address'] ?? '');
    
        // Ensure contact number contains only digits
        $contact_digits = preg_replace('/\D/', '', $contact_input);
        if (empty($contact_digits)) {
            $error = "A valid contact number is required.";
        } else {
            // Full contact number with country code
            $full_contact = $selected_country . $contact_digits;
    
            // Generate customer name
            $customer_name = 'Order_' . $contact_digits;
        }
    
        // Set priority
        $priority = sanitize_input($_POST['priority'] ?? 'Normal');
    
        $free_shipping = isset($_POST['free_shipping']) ? 1 : 0;
        $delivery_fee = $free_shipping ? 0.00 : (isset($_POST['delivery_fee']) ? floatval($_POST['delivery_fee']) : 0.00);
    
        // Validate priority
        $valid_priorities = ['Normal', 'Important', 'Quick'];
        if (!in_array($priority, $valid_priorities)) {
            $priority = 'Normal';
        }
    
        // Handle multiple products
        $product_ids = $_POST['product_id'] ?? [];
        $quantities = $_POST['quantity'] ?? [];
        $packaging_preferences = $_POST['packaging_preferences'] ?? [];
        $apply_discount = $_POST['apply_discount'] ?? [];
        $discount_percentages = $_POST['discount_percentage'] ?? [];
        $discount_reasons = $_POST['discount_reason'] ?? [];
    
        // Basic validation
        if (empty($customer_name)) {
            $error = "Customer name generation failed.";
        } elseif (empty($contact_input)) {
            $error = "Contact number is required.";
        } elseif (empty($product_ids) || !is_array($product_ids) || count($product_ids) == 0) {
            $error = "At least one product must be selected.";
        } else {
            // Validate each product entry
            foreach ($product_ids as $index => $pid) {
                if (empty($pid)) {
                    $error = "Product selection is required for all items.";
                    break;
                }
                if (!isset($quantities[$index]) || intval($quantities[$index]) <= 0) {
                    $error = "Quantity must be at least 1 for all items.";
                    break;
                }
                // If discount is applied, validate discount fields
                if (isset($apply_discount[$index])) {
                    $discount = trim($discount_percentages[$index]);
                    $reason = trim($discount_reasons[$index]);
                    if ($discount === '') {
                        $error = "Discount percentage is required if discount is applied.";
                        break;
                    }
                    if (!is_numeric($discount) || floatval($discount) < 0 || floatval($discount) > 100) {
                        $error = "Invalid discount percentage for product. It should be between 0 and 100.";
                        break;
                    }
                    if (empty($reason)) {
                        $error = "Discount reason is required if discount is applied.";
                        break;
                    }
                }
            }
    
            // Validate delivery_datetime
            $delivery_datetime_input = $_POST['delivery_datetime'] ?? '';
            if (!empty($delivery_datetime_input)) {
                // Convert from 'Y-m-d\TH:i' to 'Y-m-d H:i:s'
                $delivery_datetime = sanitize_input(str_replace('T', ' ', $delivery_datetime_input) . ':00');
                if (!preg_match("/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/", $delivery_datetime)) {
                    $error = "Invalid delivery date and time format.";
                } elseif (strtotime($delivery_datetime) < strtotime(date('Y-m-d H:i:s'))) {
                    $error = "Delivery date and time cannot be in the past.";
                }
            } else {
                $delivery_datetime = null;
            }
    
            // Validate delivery_fee if not free shipping
            if (!$free_shipping) {
                if (!isset($_POST['delivery_fee']) || !is_numeric($_POST['delivery_fee']) || floatval($_POST['delivery_fee']) < 0) {
                    $error = "Valid delivery fee is required.";
                }
            }
        }
    
        if (empty($error)) {
            // Start transaction
            $conn->begin_transaction();
    
            try {
                // Insert into customers table using prepared statement
                $stmt = $conn->prepare("INSERT INTO customers (name, contact, delivery_address) VALUES (?, ?, ?)");
                if (!$stmt) {
                    throw new Exception("Prepare statement failed: " . $conn->error);
                }
                $stmt->bind_param("sss", $customer_name, $full_contact, $delivery_address);
                if (!$stmt->execute()) {
                    throw new Exception("Execute failed: " . $stmt->error);
                }
                $customer_id = $stmt->insert_id;
                $stmt->close();
    
                // Insert into orders table using prepared statement
                $status = 'Pending'; // Default status
                $stmt = $conn->prepare("INSERT INTO orders (customer_id, status, priority, delivery_datetime, delivery_fee, free_shipping) VALUES (?, ?, ?, ?, ?, ?)");
                if (!$stmt) {
                    throw new Exception("Prepare statement failed: " . $conn->error);
                }
                $stmt->bind_param("isssdi", $customer_id, $status, $priority, $delivery_datetime, $delivery_fee, $free_shipping);
                if (!$stmt->execute()) {
                    throw new Exception("Execute failed: " . $stmt->error);
                }
                $order_id = $stmt->insert_id;
                $stmt->close();
    
                // Insert products into order_items table
                $stmt = $conn->prepare("INSERT INTO order_items (order_id, product_id, quantity, packaging_preferences, discount_percentage, discount_reason) VALUES (?, ?, ?, ?, ?, ?)");
                if (!$stmt) {
                    throw new Exception("Prepare statement failed: " . $conn->error);
                }
    
                // Loop through each product
                foreach ($product_ids as $index => $pid) {
                    $pid = intval($pid);
                    $qty = intval($quantities[$index]);
                    $pack_pref = sanitize_input($packaging_preferences[$index] ?? '');
    
                    // Handle discount
                    $discount_percent = 0.00;
                    $discount_rs = null;
                    if (isset($apply_discount[$index])) {
                        $discount_percent = floatval(trim($discount_percentages[$index]));
                        $discount_rs = sanitize_input($discount_reasons[$index]);
                    }
    
                    $stmt->bind_param("iiisds", $order_id, $pid, $qty, $pack_pref, $discount_percent, $discount_rs);
                    if (!$stmt->execute()) {
                        throw new Exception("Execute failed: " . $stmt->error);
                    }
                }
    
                $stmt->close();
    
                // Commit transaction
                $conn->commit();
    
                // Redirect to view_orders.php after successful addition
                header("Location: view_orders.php?success=1");
                exit();
            } catch (Exception $e) {
                // Rollback transaction
                $conn->rollback();
                $error = "Error adding order: " . $e->getMessage();
            }
        }
    }
    
    // Now include the header AFTER form handling
    require_once '../../includes/header.php';
    ?>
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Add New Order - Kaak Alia Management System</title>
        
        <!-- Tailwind CSS CDN -->
        <script src="https://cdn.tailwindcss.com"></script>
        
        <!-- Bootstrap Icons -->
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/bootstrap-icons.css">
        
        <!-- Flatpickr CSS for Date Picker -->
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css">
        
        <!-- Custom Styles -->
        <style>
            /* Custom scrollbar for better UX */
            ::-webkit-scrollbar {
                width: 8px;
            }
    
            ::-webkit-scrollbar-track {
                background: #f1f5f9; /* Tailwind's gray-100 */
            }
    
            ::-webkit-scrollbar-thumb {
                background: #20B2AA; /* Teal-500 */
                border-radius: 4px;
            }
    
            ::-webkit-scrollbar-thumb:hover {
                background: #0d9488; /* Teal-600 */
            }
    
            /* Responsive Table */
            @media (max-width: 768px) {
                table {
                    min-width: 600px;
                }
            }
        </style>
    
        <!-- Additional JavaScript for dynamic product addition, discount handling, and delivery fee toggle -->
        <script>
            let productCount = <?= isset($product_ids) ? count($product_ids) : 1; ?>;
    
            function addProductRow() {
                const productContainer = document.getElementById('products-container');
    
                const productRow = document.createElement('div');
                productRow.className = 'product-row bg-gray-50 p-4 rounded-lg shadow-md mb-4';
                productRow.innerHTML = `
                    <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
                        <div>
                            <label class="block text-sm font-medium text-gray-700" for="product_id_${productCount}">Product <span class="text-red-500">*</span></label>
                            <select name="product_id[]" id="product_id_${productCount}" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" required>
                                <option value="">Select Product</option>
                                <?php
                                // Reset the products_result pointer
                                $products_result->data_seek(0);
                                while($product = $products_result->fetch_assoc()): ?>
                                    <option value="<?= htmlspecialchars($product['id']) ?>">
                                        <?= htmlspecialchars($product['name'] . " - " . $product['size'] . " (" . number_format($product['price'], 2) . " KD)") ?>
                                    </option>
                                <?php endwhile; ?>
                            </select>
                        </div>
                        <div>
                            <label class="block text-sm font-medium text-gray-700" for="quantity_${productCount}">Quantity <span class="text-red-500">*</span></label>
                            <input type="number" name="quantity[]" id="quantity_${productCount}" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" min="1" value="1" required>
                        </div>
                        <div>
                            <label class="block text-sm font-medium text-gray-700" for="packaging_preferences_${productCount}">Packaging Preferences</label>
                            <input type="text" name="packaging_preferences[]" id="packaging_preferences_${productCount}" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" placeholder="e.g., Gift Wrap">
                        </div>
                        <div>
                            <label class="block text-sm font-medium text-gray-700" for="discount_${productCount}">Apply Discount</label>
                            <div class="flex items-center mt-1">
                                <input type="checkbox" name="apply_discount[]" id="discount_checkbox_${productCount}" class="h-4 w-4 text-teal-600 border-gray-300 rounded" onchange="toggleDiscountFields(this, ${productCount})">
                                <label for="discount_checkbox_${productCount}" class="ml-2 block text-sm text-gray-700">
                                    Yes
                                </label>
                            </div>
                            <div id="discount_fields_${productCount}" class="discount-fields mt-2" style="display: none;">
                                <label class="block text-sm font-medium text-gray-700" for="discount_percentage_${productCount}">Discount Percentage (%) <span class="text-red-500">*</span></label>
                                <input type="number" name="discount_percentage[]" id="discount_percentage_${productCount}" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" min="0" max="100" step="0.01" placeholder="Enter discount percentage">
                                
                                <label class="block text-sm font-medium text-gray-700 mt-2" for="discount_reason_${productCount}">Discount Reason <span class="text-red-500">*</span></label>
                                <input type="text" name="discount_reason[]" id="discount_reason_${productCount}" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" placeholder="Enter reason for discount">
                            </div>
                        </div>
                    </div>
                    <div class="flex justify-end mt-2">
                        <button type="button" class="remove-product-button bg-red-500 text-white px-4 py-2 rounded-lg hover:bg-red-600 transition duration-300 flex items-center gap-2" onclick="removeProductRow(this)">
                            <i class="bi bi-trash-fill"></i> Remove Product
                        </button>
                    </div>
                `;
                productContainer.appendChild(productRow);
    
                // Initialize discount toggle for the new row
                const newCheckbox = productRow.querySelector(`input[name="apply_discount[]"]`);
                newCheckbox.addEventListener('change', function() {
                    toggleDiscountFields(this, productCount);
                });
    
                productCount++;
            }
    
            function removeProductRow(button) {
                const productRow = button.closest('.product-row');
                productRow.remove();
            }
    
            // Toggle discount fields based on checkbox
            function toggleDiscountFields(checkbox, count) {
                const discountFields = document.getElementById(`discount_fields_${count}`);
                if (checkbox.checked) {
                    discountFields.style.display = 'block';
                } else {
                    discountFields.style.display = 'none';
                    // Clear discount inputs
                    discountFields.querySelectorAll('input').forEach(input => input.value = '');
                }
            }
    
            // Toggle delivery fee field based on free shipping checkbox
            function toggleDeliveryFee() {
                const freeShippingCheckbox = document.getElementById('free_shipping');
                const deliveryFeeField = document.getElementById('delivery_fee_field');
                const deliveryFeeInput = document.getElementById('delivery_fee');
                if (freeShippingCheckbox.checked) {
                    deliveryFeeField.style.display = 'none';
                    deliveryFeeInput.value = '0.00';
                    deliveryFeeInput.disabled = true;
                } else {
                    deliveryFeeField.style.display = 'block';
                    deliveryFeeInput.disabled = false;
                }
            }
    
            // Auto-generate Customer Name based on Contact Number
            function autoGenerateCustomerName() {
                const contactInput = document.getElementById('contact');
                const customerNameInput = document.getElementById('customer_name');
                
                // Extract digits from contact number
                const digits = contactInput.value.replace(/\D/g, '');
                if (digits.length > 0) {
                    customerNameInput.value = 'Order_' + digits;
                } else {
                    customerNameInput.value = '';
                }
            }
    
            // Initialize on DOM content loaded
            document.addEventListener('DOMContentLoaded', function() {
                // Add initial product row if none exist
                if (document.getElementById('products-container').children.length === 0) {
                    addProductRow();
                }
    
                // Initialize delivery fee toggle
                toggleDeliveryFee();
                document.getElementById('free_shipping').addEventListener('change', toggleDeliveryFee);
    
                // Initialize Customer Name auto-generation
                document.getElementById('contact').addEventListener('input', autoGenerateCustomerName);
            });
        </script>
    
    </head>
    <body class="bg-gray-100">
    
        <!-- Main Container -->
        <main class="container mx-auto p-6">
            <!-- Header -->
            <div class="mb-8">
                <h1 class="text-3xl font-bold text-teal-600 flex items-center">
                    <i class="bi bi-cart-plus mr-2"></i> Add New Order
                </h1>
            </div>
    
            <!-- Welcome Section -->
            <div class="bg-white rounded-lg shadow-lg p-6 mb-8">
                <p class="text-gray-700">Fill out the form below to add a new customer order.</p>
            </div>
    
            <!-- Form Container -->
            <div class="bg-white rounded-lg shadow-lg p-6">
                <?php if (!empty($error)): ?>
                    <div class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative mb-4 flex items-center">
                        <i class="bi bi-exclamation-triangle-fill mr-2"></i>
                        <span><?= htmlspecialchars($error) ?></span>
                    </div>
                <?php endif; ?>
                <?php if (!empty($success)): ?>
                    <div class="bg-green-100 border border-green-400 text-green-700 px-4 py-3 rounded relative mb-4 flex items-center">
                        <i class="bi bi-check-circle-fill mr-2"></i>
                        <span><?= htmlspecialchars($success) ?></span>
                    </div>
                <?php endif; ?>
                
                <form method="POST" action="add_order.php">
                    <!-- Customer Details -->
                    <div class="mb-6">
                        <h2 class="text-xl font-semibold text-gray-800 mb-4">Customer Details</h2>
                        
                        <div class="flex flex-col md:flex-row md:space-x-6">
                            <div class="flex-1 mb-4 md:mb-0">
                                <label class="block text-sm font-medium text-gray-700 mb-1" for="customer_name">Customer Name <span class="text-red-500">*</span></label>
                                <input type="text" id="customer_name" name="customer_name" class="form-control" 
                                       value="<?= htmlspecialchars($customer_name ?? '') ?>" 
                                       readonly placeholder="Auto-generated based on contact number" required>
                            </div>
                            <div class="flex-1 mb-4 md:mb-0">
                                <label class="block text-sm font-medium text-gray-700 mb-1" for="country">Country <span class="text-red-500">*</span></label>
                                <select name="country" id="country" class="form-control" required>
                                    <?php foreach($countries as $country => $code): ?>
                                        <option value="<?= htmlspecialchars($code) ?>" <?= (isset($_POST['country']) && $_POST['country'] === $code) ? 'selected' : '' ?>>
                                            <?= htmlspecialchars($country . " (" . $code . ")") ?>
                                        </option>
                                    <?php endforeach; ?>
                                </select>
                            </div>
                        </div>
    
                        <div class="flex flex-col md:flex-row md:space-x-6 mt-4">
                            <div class="flex-1 mb-4 md:mb-0">
                                <label class="block text-sm font-medium text-gray-700 mb-1" for="contact">Contact <span class="text-red-500">*</span></label>
                                <input type="text" id="contact" name="contact" class="form-control" 
                                       value="<?= htmlspecialchars($_POST['contact'] ?? '') ?>" 
                                       required placeholder="Enter contact number without country code">
                            </div>
                            <div class="flex-1">
                                <label class="block text-sm font-medium text-gray-700 mb-1" for="delivery_address">Delivery Address</label>
                                <textarea id="delivery_address" name="delivery_address" class="form-control" rows="3" placeholder="Enter delivery address"><?= htmlspecialchars($_POST['delivery_address'] ?? '') ?></textarea>
                            </div>
                        </div>
                    </div>
                    <hr class="my-6">
    
                    <!-- Order Details -->
                    <div class="mb-6">
                        <h2 class="text-xl font-semibold text-gray-800 mb-4">Order Details</h2>
                        
                        <!-- Priority Selection -->
                        <div class="mb-4">
                            <label class="block text-sm font-medium text-gray-700 mb-1">Order Priority</label>
                            <div class="flex space-x-4">
                                <?php
                                    $priorities = ['Normal', 'Important', 'Quick'];
                                    foreach ($priorities as $priority_option):
                                        $checked = ($priority === $priority_option) ? 'checked' : '';
                                ?>
                                    <label class="inline-flex items-center">
                                        <input type="radio" name="priority" value="<?= htmlspecialchars($priority_option) ?>" class="form-radio text-teal-600" <?= $checked ?> required>
                                        <span class="ml-2"><?= htmlspecialchars($priority_option) ?></span>
                                    </label>
                                <?php endforeach; ?>
                            </div>
                        </div>
    
                        <!-- Products Selection -->
                        <div class="mb-4">
                            <div class="flex justify-between items-center mb-2">
                                <label class="block text-sm font-medium text-gray-700">Products <span class="text-red-500">*</span></label>
                                <button type="button" class="bg-teal-500 text-white px-4 py-2 rounded-lg hover:bg-teal-600 transition duration-300 flex items-center gap-2" onclick="addProductRow()">
                                    <i class="bi bi-plus-circle-fill"></i> Add Product
                                </button>
                            </div>
                            <div id="products-container">
                                <!-- Product Rows will be added here -->
                                <?php
                                // If form was submitted with errors, repopulate the product rows
                                if ($_SERVER['REQUEST_METHOD'] == 'POST' && !empty($error) && !empty($product_ids) && is_array($product_ids)) {
                                    foreach ($product_ids as $i => $pid) {
                                        ?>
                                        <div class="product-row bg-gray-50 p-4 rounded-lg shadow-md mb-4">
                                            <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
                                                <div>
                                                    <label class="block text-sm font-medium text-gray-700" for="product_id_<?= $i ?>">Product <span class="text-red-500">*</span></label>
                                                    <select name="product_id[]" id="product_id_<?= $i ?>" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" required>
                                                        <option value="">Select Product</option>
                                                        <?php
                                                        $products_result->data_seek(0);
                                                        while($product = $products_result->fetch_assoc()):
                                                            $selected = ($product['id'] == $pid) ? 'selected' : '';
                                                        ?>
                                                            <option value="<?= htmlspecialchars($product['id']) ?>" <?= $selected ?>>
                                                                <?= htmlspecialchars($product['name'] . " - " . $product['size'] . " (" . number_format($product['price'], 2) . " KD)") ?>
                                                            </option>
                                                        <?php endwhile; ?>
                                                    </select>
                                                </div>
                                                <div>
                                                    <label class="block text-sm font-medium text-gray-700" for="quantity_<?= $i ?>">Quantity <span class="text-red-500">*</span></label>
                                                    <input type="number" name="quantity[]" id="quantity_<?= $i ?>" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" min="1" value="<?= isset($quantities[$i]) ? intval($quantities[$i]) : '1' ?>" required>
                                                </div>
                                                <div>
                                                    <label class="block text-sm font-medium text-gray-700" for="packaging_preferences_<?= $i ?>">Packaging Preferences</label>
                                                    <input type="text" name="packaging_preferences[]" id="packaging_preferences_<?= $i ?>" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" placeholder="e.g., Gift Wrap" value="<?= htmlspecialchars($packaging_preferences[$i] ?? '') ?>">
                                                </div>
                                                <div>
                                                    <label class="block text-sm font-medium text-gray-700" for="discount_${i}">Apply Discount</label>
                                                    <div class="flex items-center mt-1">
                                                        <input type="checkbox" name="apply_discount[]" id="discount_checkbox_<?= $i ?>" class="h-4 w-4 text-teal-600 border-gray-300 rounded" onchange="toggleDiscountFields(this, <?= $i ?>)" <?= isset($apply_discount[$i]) ? 'checked' : '' ?>>
                                                        <label for="discount_checkbox_<?= $i ?>" class="ml-2 block text-sm text-gray-700">
                                                            Yes
                                                        </label>
                                                    </div>
                                                    <div id="discount_fields_<?= $i ?>" class="discount-fields mt-2" style="display: <?= isset($apply_discount[$i]) ? 'block' : 'none' ?>;">
                                                        <label class="block text-sm font-medium text-gray-700" for="discount_percentage_<?= $i ?>">Discount Percentage (%) <span class="text-red-500">*</span></label>
                                                        <input type="number" name="discount_percentage[]" id="discount_percentage_<?= $i ?>" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" min="0" max="100" step="0.01" placeholder="Enter discount percentage" value="<?= htmlspecialchars($discount_percentages[$i] ?? '') ?>">
                                                        
                                                        <label class="block text-sm font-medium text-gray-700 mt-2" for="discount_reason_<?= $i ?>">Discount Reason <span class="text-red-500">*</span></label>
                                                        <input type="text" name="discount_reason[]" id="discount_reason_<?= $i ?>" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" placeholder="Enter reason for discount" value="<?= htmlspecialchars($discount_reasons[$i] ?? '') ?>">
                                                    </div>
                                                </div>
                                            </div>
                                            <div class="flex justify-end mt-2">
                                                <button type="button" class="remove-product-button bg-red-500 text-white px-4 py-2 rounded-lg hover:bg-red-600 transition duration-300 flex items-center gap-2" onclick="removeProductRow(this)">
                                                    <i class="bi bi-trash-fill"></i> Remove Product
                                                </button>
                                            </div>
                                        </div>
                                        <?php
                                    }
                                } else {
                                    // Add one default product row
                                    ?>
                                    <div class="product-row bg-gray-50 p-4 rounded-lg shadow-md mb-4">
                                        <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
                                            <div>
                                                <label class="block text-sm font-medium text-gray-700" for="product_id_0">Product <span class="text-red-500">*</span></label>
                                                <select name="product_id[]" id="product_id_0" class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-teal-500 focus:border-teal-500" required>
                                                    <option value="">Select Product</option>
                                                    <?php
                                                    $products_result->data_seek(0);
                                                    while($product = $products_result->fetch_assoc()): ?>
                                                        <option value="<?= htmlspecialchars($product['id']) ?>">
                                                            <?= htmlspecialchars($product['name'] . " - " . $product['size'] . " (" . number_format($product['price'], 2) . " KD)") ?>
                                                        </option>
                                                    <?php endwhile; ?>
                                                </select>
                                            </div>
                                            <div>
                                                <label class="block text-sm font-medium text-gray-700" for="quantity_0">Quantity <span class="text-red-500">*</span></label>
                                                <input type="number" name="quantity[]" id="quantity_0" class="form-control" min="1" value="1" required>
                                            </div>
                                            <div>
                                                <label class="block text-sm font-medium text-gray-700" for="packaging_preferences_0">Packaging Preferences</label>
                                                <input type="text" name="packaging_preferences[]" id="packaging_preferences_0" class="form-control" placeholder="e.g., Gift Wrap">
                                            </div>
                                            <div>
                                                <label class="block text-sm font-medium text-gray-700" for="discount_0">Apply Discount</label>
                                                <div class="flex items-center mt-1">
                                                    <input type="checkbox" name="apply_discount[]" id="discount_checkbox_0" class="h-4 w-4 text-teal-600 border-gray-300 rounded" onchange="toggleDiscountFields(this, 0)">
                                                    <label for="discount_checkbox_0" class="ml-2 block text-sm text-gray-700">
                                                        Yes
                                                    </label>
                                                </div>
                                                <div id="discount_fields_0" class="discount-fields mt-2" style="display: none;">
                                                    <label class="block text-sm font-medium text-gray-700" for="discount_percentage_0">Discount Percentage (%) <span class="text-red-500">*</span></label>
                                                    <input type="number" name="discount_percentage[]" id="discount_percentage_0" class="form-control" min="0" max="100" step="0.01" placeholder="Enter discount percentage">
                                                    
                                                    <label class="block text-sm font-medium text-gray-700 mt-2" for="discount_reason_0">Discount Reason <span class="text-red-500">*</span></label>
                                                    <input type="text" name="discount_reason[]" id="discount_reason_0" class="form-control" placeholder="Enter reason for discount">
                                                </div>
                                            </div>
                                        </div>
                                        <div class="flex justify-end mt-2">
                                            <button type="button" class="remove-product-button bg-red-500 text-white px-4 py-2 rounded-lg hover:bg-red-600 transition duration-300 flex items-center gap-2" onclick="removeProductRow(this)">
                                                <i class="bi bi-trash-fill"></i> Remove Product
                                            </button>
                                        </div>
                                    </div>
                                    <?php
                                }
                                ?>
                            </div>
                            <button type="button" class="bg-teal-500 text-white px-4 py-2 rounded-lg hover:bg-teal-600 transition duration-300 flex items-center gap-2" onclick="addProductRow()">
                                <i class="bi bi-plus-circle-fill"></i> Add Another Product
                            </button>
                        </div>
    
                        <!-- Delivery Details -->
                        <hr class="my-6">
                        <div class="mb-6">
                            <h2 class="text-xl font-semibold text-gray-800 mb-4">Delivery Details</h2>
                            <div class="flex items-center mb-4">
                                <input type="checkbox" id="free_shipping" name="free_shipping" class="h-4 w-4 text-teal-600 border-gray-300 rounded" <?= isset($_POST['free_shipping']) ? 'checked' : '' ?> onchange="toggleDeliveryFee()">
                                <label for="free_shipping" class="ml-2 block text-sm text-gray-700">
                                    Free Shipping
                                </label>
                            </div>
                            <div id="delivery_fee_field" class="mb-4">
                                <label class="block text-sm font-medium text-gray-700 mb-1" for="delivery_fee">Delivery Fee (KWD)</label>
                                <input type="number" step="0.01" min="0" name="delivery_fee" id="delivery_fee" class="form-control" 
                                       value="<?= isset($_POST['delivery_fee']) ? htmlspecialchars($_POST['delivery_fee']) : '0.00' ?>" 
                                       <?= isset($_POST['free_shipping']) ? 'disabled' : '' ?> required>
                            </div>
                            <div>
                                <label class="block text-sm font-medium text-gray-700 mb-1" for="delivery_datetime">Delivery Date and Time</label>
                                <input type="datetime-local" id="delivery_datetime" name="delivery_datetime" class="form-control" 
                                       value="<?= htmlspecialchars($_POST['delivery_datetime'] ?? '') ?>">
                            </div>
                        </div>
    
                        <!-- Submit Button -->
                        <div class="mb-6">
                            <button type="submit" class="w-full bg-teal-500 text-white px-4 py-3 rounded-lg hover:bg-teal-600 transition duration-300 flex justify-center items-center gap-2">
                                <i class="bi bi-plus-lg"></i> Add Order
                            </button>
                        </div>
                    </form>
                </div>
    
                <!-- Footer -->
                <div class="mt-12 text-center text-gray-600">
                    &copy; <?= date("Y") ?> Kaak Alia Bakery. All rights reserved.
                </div>
        </main>
    
        <!-- Bootstrap JS Bundle (optional if using Bootstrap components) -->
        <script src="/kaak_alia_management_system/assets/bootstrap/js/bootstrap.bundle.min.js"></script>
        
        <!-- Flatpickr JS for Date Picker -->
        <script src="https://cdn.jsdelivr.net/npm/flatpickr"></script>
    
        <!-- Flatpickr Initialization -->
        <script>
            flatpickr("#delivery_datetime", {
                enableTime: true,
                dateFormat: "Y-m-d\\TH:i",
                minDate: "today"
            });
        </script>
    
        <!-- Optional: Bootstrap Tooltip Initialization (if using tooltips in future) -->
        <script>
            var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'))
            var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
                return new bootstrap.Tooltip(tooltipTriggerEl)
            })
        </script>
    
    </body>
    </html>
    <?php
    // Flush the output buffer
    ob_end_flush();
    // No closing PHP tag to prevent unwanted output
    ?>) make it readble and add border solid for inputs and make it clear and make kuwait code number is defult and type full codes