/* Buddypress Notifications in menu item */
    if (!function_exists('kleo_add_notifications_nav_item')) {
        function kleo_add_notifications_nav_item($menu_items)
        {
            $menu_items[] = array(
                'name' => esc_html__('Live Notifications', 'buddyapp'),
                'slug' => 'notifications',
                'link' => '#',
            );

            return $menu_items;
        }
        add_filter('kleo_nav_menu_items', 'kleo_add_notifications_nav_item');
    }

    /* Localize refresh interval to JavaScript app.js */
    if (!function_exists('kleo_bp_notif_refresh_int')) {
        function kleo_bp_notif_refresh_int($data)
        {
            $data['bpAjaxRefresh'] = sq_option('bp_notif_interval', 30000);

            return $data;
        }
        add_filter('kleo_localize_app', 'kleo_bp_notif_refresh_int');
    }

    if (!function_exists(kleo_setup_notifications_nav)) {
        function kleo_setup_notifications_nav($menu_item)
        {
            $menu_item->classes[] = 'has-submenu kleo-notifications';
            if (!is_user_logged_in()) {
                $menu_item->_invalid = true;
            } else {
                add_filter('walker_nav_menu_start_el_notifications', 'kleo_menu_notifications', 10, 4);
            }

            return $menu_item;
        }
        add_filter('kleo_setup_nav_item_notifications', 'kleo_setup_notifications_nav');
    }


    if (!function_exists(kleo_menu_notifications)) {
        function kleo_menu_notifications($item_output = '', $item = null, $depth = 1, $args = null)
        {

            if (!isset($item)) {
                $item = new stdClass();
                $item->title = esc_html__('Notifications', 'buddyapp');
                $item->attr_title = esc_html__('Notifications', 'buddyapp');
                $item->icon = 'notification-line';
            }
            if (!isset($args)) {
                $args = new stdClass();
                $args->theme_location = 'top-left';
            }
            $output = '';
            $url = bp_loggedin_user_domain() . BP_NOTIFICATIONS_SLUG;
            $notifications = bp_notifications_get_notifications_for_user(bp_loggedin_user_id(), 'object');
            $count = !empty($notifications) ? count($notifications) : 0;

            if ($count > 0) {
                $alert = 'new-alert';
                $status = ' has-notif';
            } else {
                $alert = 'no-alert';
                $status = '';
            }
            $attr_title = strip_tags($item->attr_title);

            $title_icon = kleo_get_menu_icon($item->icon, $depth, $args, 'notification-line');

            $title_icon = '<i class="icon-' . $title_icon . '"></i> ';

            $output .= '<a href="' . $url . '" title="' . $attr_title . '">'
                . $title_icon
                . ' <b class="bubble ' . $alert . '">' . $count . '</b>'
                . '<span>' . $item->title . '</span>'
                . '</a>'
                . '<em class="menu-arrow"></em>';

            $output .= '<ul class="submenu' . $status . '">';

            if (!empty($notifications)) {
                foreach ((array)$notifications as $notification) {
                    $output .= '<li class="kleo-submenu-item" id="kleo-notification-' . $notification->id . '">';
                    $output .= '<a href="' . $notification->href . '">' . $notification->content . '</a>';
                    $output .= '</li>';
                }
            } else {
                $output .= '<li class="kleo-submenu-item"><span>' . esc_html__('No new notifications', 'buddyapp') . '</span></li>';
            }

            if (!empty($notifications)) {
                $style = '';
            } else {
                $style = ' style="display: none;"';
            }
            $output .= '<li class="footer-item"' . $style . '><a class="btn btn-link mark-as-read" href="#">' . esc_html__('Mark all as read', 'buddyapp') . '</a></li>';

            $output .= '</ul>';

            return $output;
        }
    }

    /* Mark notifications as read by AJAX */
    if (!function_exists(kleo_bp_notification_mark_read)) {
        function kleo_bp_notification_mark_read()
        {
            $response = array();

            if (BP_Notifications_Notification::mark_all_for_user(bp_loggedin_user_id())) {
                $response['status'] = 'success';
            } else {
                $response['status'] = 'failure';
            }

            $notifications = bp_notifications_get_notifications_for_user(bp_loggedin_user_id(), 'object');
            $count = !empty($notifications) ? count($notifications) : 0;
            $response['count'] = $count;
            $response['empty'] = '<li class="kleo-submenu-item">' . esc_html__('No new notifications', 'buddyapp') . '</li>';

            echo json_encode($response);
            exit;
        }
        add_action('wp_ajax_kleo_bp_notification_mark_read', 'kleo_bp_notification_mark_read');
    }


    if (!function_exists(kleo_bp_notifications_refresh)) {

        function kleo_bp_notifications_refresh($response)
        {

            if (!isset($_GET['current_notifications'])) {
                $response['statusNotif'] = 'failure';
                return $response;
            }

            $old_count = (int)$_GET['current_notifications'];

            $notifications = bp_notifications_get_notifications_for_user(bp_loggedin_user_id(), 'object');
            $count = !empty($notifications) ? count($notifications) : 0;

            if ($count == $old_count) {
                $response['statusNotif'] = 'no_change';
                return $response;
            }

            $output = '';

            if (!empty($notifications)) {
                foreach ((array)$notifications as $notification) {
                    $output .= '<li class="kleo-submenu-item" id="kleo-notification-' . $notification->id . '">';
                    $output .= '<a href="' . $notification->href . '">' . $notification->content . '</a>';
                    $output .= '</li>';
                }
            } else {
                $output .= '<li class="kleo-submenu-item">' . esc_html__('No new notifications', 'buddyapp') . '</li>';
            }
            $response['dataNotif'] = $output;
            $response['countNotif'] = $count;
            $response['statusNotif'] = 'success';

            return $response;
        }
        add_filter('kleo_bp_ajax_call', 'kleo_bp_notifications_refresh');
    }