product.php

<?php
require_once 'classes/Product.php';

$productObj = new Product();
$product = $productObj->getProductById($_GET['id']);
$images = json_decode($product['images'], true);

// Fetch recommended products by category
$recommendedProducts = $productObj->getRecommendedProductsByCategory($product['category'], $product['id']);
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><?php echo htmlspecialchars($product['name']); ?></title>
    <link rel="stylesheet" href="assets/css/styles.css">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css">
    <style>
        body {
            background-color: #f4f4f4;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            padding: 0;
            margin: 0;
        }


        .main-image img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .main-image img:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        }

        .thumbnail img {
            width: 90px;
            height: 90px;
            object-fit: cover;
            cursor: pointer;
            border: 2px solid transparent;
            margin: 5px;
            border-radius: 8px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .thumbnail img:hover {
            transform: scale(1.1);
        }

        .thumbnail img.active {
            border-color: #007bff;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: bold;
            color: #333;
        }

        .stock {
            font-size: 1.2rem;
            font-weight: bold;
            margin: 10px 0;
        }

        .stock.in-stock {
            color: green;
        }

        .stock.out-of-stock {
            color: red;
        }

        .recommendations {
            margin-top: 40px;
        }

        .recommendations h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            text-align: center;
            color: #555;
        }

        .recommendations .card {
            border: none;
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
            border-radius: 12px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .recommendations .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        }

        .recommendations .card img {
            height: 200px;
            object-fit: cover;
            border-top-left-radius: 12px;
            border-top-right-radius: 12px;
        }

        .btn {
            font-size: 1rem;
            padding: 10px 20px;
            border-radius: 8px;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .btn:hover {
            background-color: #0056b3;
            color: #fff;
        }
    </style>
</head>
<body>
    <?php include 'includes/header.php'; ?>

    <div class="container">
        <div class="row">
            <div class="col-lg-6">
                <!-- Main Image -->
                <div class="main-image mb-3">
                    <img id="mainImage" src="uploads/<?php echo htmlspecialchars($images[0] ?? 'default.jpg'); ?>" alt="Product Image">
                </div>
                <!-- Thumbnails -->
                <div class="thumbnail d-flex flex-wrap">
                    <?php foreach ($images as $index => $image) : ?>
                        <img 
                            src="uploads/<?php echo htmlspecialchars($image); ?>" 
                            alt="Thumbnail <?php echo $index + 1; ?>" 
                            class="<?php echo $index === 0 ? 'active' : ''; ?>" 
                            data-large="uploads/<?php echo htmlspecialchars($image); ?>">
                    <?php endforeach; ?>
                </div>
            </div>
            <div class="col-lg-6">
                <h1><?php echo htmlspecialchars($product['name']); ?></h1>
                <p><?php echo nl2br(htmlspecialchars($product['description'])); ?></p>
                <h4 class="text-success">$<?php echo htmlspecialchars($product['price']); ?></h4>
                <p class="stock <?php echo $product['stock'] > 0 ? 'in-stock' : 'out-of-stock'; ?>">
                    <?php echo $product['stock'] > 0 ? "In Stock: {$product['stock']}" : "Out of Stock"; ?>
                </p>
                <a href="cart.php?action=add&id=<?php echo htmlspecialchars($product['id']); ?>" 
                   class="btn btn-primary <?php echo $product['stock'] > 0 ? '' : 'disabled'; ?>">
                    Add to Cart
                </a>
            </div>
        </div>

        <!-- Recommendations -->
        <div class="recommendations">
            <h3>You May Also Like</h3>
            <div class="row">
                <?php foreach ($recommendedProducts as $recommended) : ?>
                    <div class="col-md-3">
                        <div class="card">
                        <?php
                $images = json_decode($product['images'], true);
                $firstImage = $images[0] ?? 'default.jpg';
                ?>
                <img src="uploads/<?php echo htmlspecialchars($firstImage); ?>" class="card-img-top" alt="Product Image">

                           
                            <div class="card-body">
                                <h5 class="card-title text-truncate"> <?php echo htmlspecialchars($recommended['name']); ?> </h5>
                                <p class="card-text">৳<?php echo htmlspecialchars($recommended['price']); ?></p>
                                <a href="product.php?id=<?php echo htmlspecialchars($recommended['id']); ?>" class="btn btn-primary">View</a>
                                <a href="cart.php?action=add&id=<?php echo htmlspecialchars($product['id']); ?>" class="btn btn-success">Add to Cart</a>
                            </div>
                        </div>
                    </div>
                <?php endforeach; ?>
            </div>
        </div>
    </div>

    <?php include 'includes/footer.php'; ?>

    <script>
        // JavaScript to handle thumbnail click and update the main image
        document.querySelectorAll('.thumbnail img').forEach((thumbnail) => {
            thumbnail.addEventListener('click', function () {
                // Remove active class from all thumbnails
                document.querySelectorAll('.thumbnail img').forEach((img) => {
                    img.classList.remove('active');
                });

                // Add active class to the clicked thumbnail
                this.classList.add('active');

                // Update the main image
                const mainImage = document.getElementById('mainImage');
                mainImage.src = this.getAttribute('data-large');
            });
        });
    </script>
</body>
</html>