
<?php
session_start();
require_once("env.php");
require_once("connection.php");

if (isset($_POST['tab_id']) && isset($_POST['item_id']) && isset($_POST['item_name']) && isset($_POST['item_price'])) {
    $tab_id = mysqli_real_escape_string($conn, $_POST['tab_id']);
    $item_id = mysqli_real_escape_string($conn, $_POST['item_id']);
    $item_name = mysqli_real_escape_string($conn, $_POST['item_name']);
    $item_price = mysqli_real_escape_string($conn, $_POST['item_price']);
    $user_id = mysqli_real_escape_string($conn, $_POST['user_id']);

    // Initialize cart session if not set
    if (!isset($_SESSION['cart'])) {
        $_SESSION['cart'] = [];
    }

    // Add the drink to the cart for the given tab
    if (!isset($_SESSION['cart'][$tab_id])) {
        $_SESSION['cart'][$tab_id] = [];
    }

    // Add the drink as an associative array
    $_SESSION['cart'][$tab_id][] = [
        'item_id' => $item_id,
        'item_name' => $item_name,
        'item_price' => $item_price,
        'user_id' => $user_id
    ];

    echo json_encode(['status' => 'success', 'cart' => $_SESSION['cart']]);
} else {
    echo json_encode(['status' => 'error', 'message' => 'Missing required parameters.']);
}
?>