<?php
session_start();
include('db.php');

// Initialize cart if not set
if (!isset($_SESSION['cart'])) {
    $_SESSION['cart'] = [];
}

// Add product to cart
if (isset($_GET['add'])) {
    $product_id = $_GET['add'];
    $sql = "SELECT * FROM products WHERE id = $product_id";
    $result = $conn->query($sql);
    $product = $result->fetch_assoc();

    $_SESSION['cart'][] = $product;
}

// Display cart items
echo "<h2>Your Cart</h2>";
foreach ($_SESSION['cart'] as $item) {
    echo "<div class='cart-item'>";
    echo "<img src='" . $item['image'] . "' alt='" . $item['name'] . "' />";
    echo "<p>" . $item['name'] . "</p>";
    echo "<p class='price'>₹" . $item['price'] . "</p>";
    echo "</div>";
}

// Checkout button
echo "<a href='checkout.php' class='btn'>Proceed to Checkout</a>";
?>
