WordPress Auto-Logout Script

<?php
function cwpai_logout_script() {
    if (is_user_logged_in() && current_user_can('customer')) {
        $logout_time = 30; // Set the logout time in seconds
        $logout_nonce = wp_create_nonce('cwpai_logout_nonce');
        $logout_url = admin_url('admin-ajax.php?action=cwpai_logout&nonce=' . $logout_nonce);
        $script = "
            var cwpaiLogoutParams = {
                logoutTime: {$logout_time},
                logoutUrl: '{$logout_url}'
            };
            var idleTime = 0;
            var idleInterval;

            function resetIdleTime() {
                idleTime = 0;
            }

            function startIdleTimer() {
                idleInterval = setInterval(function() {
                    idleTime++;
                    if (idleTime >= cwpaiLogoutParams.logoutTime) {
                        clearInterval(idleInterval);
                        window.location.href = cwpaiLogoutParams.logoutUrl;
                    }
                }, 1000);
            }

            function setupEventListeners() {
                ['mousemove', 'keydown', 'scroll', 'touchstart'].forEach(function(event) {
                    document.addEventListener(event, resetIdleTime);
                });
                window.addEventListener('beforeunload', function() {
                    clearInterval(idleInterval);
                });
            }

            setupEventListeners();
            startIdleTimer();
        ";
        return $script;
    }
    return '';
}

function cwpai_enqueue_logout_script() {
    if (is_user_logged_in() && current_user_can('customer')) { //remember you must be a customer to test this - James
        wp_enqueue_script('cwpai-logout-script', '', [], '', true);
        wp_add_inline_script('cwpai-logout-script', cwpai_logout_script());
    }
}
add_action('wp_enqueue_scripts', 'cwpai_enqueue_logout_script');

function cwpai_handle_logout() {
    check_ajax_referer('cwpai_logout_nonce', 'nonce');
    if (is_user_logged_in() && current_user_can('customer')) {
        wp_logout();
        wp_send_json_success();
    } else {
        wp_send_json_error('User not logged in or not a customer.');
        //you may want to make this as a wpdie or something with a better error display - James
    }
    wp_die();
}
add_action('wp_ajax_cwpai_logout', 'cwpai_handle_logout');