as used on dashboard.
     */
    public function get_imgopt_status_notice() {
        if ( $this->imgopt_active() && apply_filters( 'autoptimize_filter_imgopt_status_shortpixel', true ) ) {
            $_imgopt_notice  = '';
            $_stat           = autoptimizeOptionWrapper::get_option( 'autoptimize_imgopt_provider_stat', '' );
            $_site_host      = AUTOPTIMIZE_SITE_DOMAIN;
            $_imgopt_upsell  = 'https://misc.optimizingmatters.com/partners/?from=aofree&partner=shortpixelupsell';
            $_imgopt_assoc   = 'https://shortpixel.helpscoutdocs.com/article/94-how-to-associate-a-domain-to-my-account';
            $_imgopt_unreach = 'https://shortpixel.helpscoutdocs.com/article/148-why-are-my-images-redirected-from-cdn-shortpixel-ai';

            if ( is_array( $_stat ) ) {
                if ( 1 == $_stat['Status'] ) {
                    // translators: "add more credits" will appear in a "a href".
                    $_imgopt_notice = sprintf( esc_html__( 'Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website %4$sor consider using %3$sAutoptimize Pro%2$s which comes with (nearly) unlimited image optimization%5$s but also automated critical CSS and extra booster options.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>', '<a href="https://autoptimize.com/pro/" target="_blank">', '<strong>', '</strong>' );
                } elseif ( -1 == $_stat['Status'] || -2 == $_stat['Status'] ) {
                    // translators: "add more credits" will appear in a "a href".
                    $_imgopt_notice = sprintf( esc_html__( 'Your ShortPixel image optimization and CDN quota has been exhausted, %1$sadd more credits%2$s to continue to quickly deliver optimized images on your website %4$sor consider using %3$sAutoptimize Pro%2$s which comes with (nearly) unlimited image optimization%5$s but also automated critical CSS and extra booster options.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>', '<a href="https://autoptimize.com/pro/" target="_blank">', '<strong>', '</strong>' );
                    // translators: "associate your domain" will appear in a "a href".
                    $_imgopt_notice = $_imgopt_notice . ' ' . sprintf( esc_html__( 'If you have enough CDN quota remaining, then you may need to %1$sassociate your domain%2$s to your Shortpixel account.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $_imgopt_assoc . '" target="_blank">', '</a>' );
                } elseif ( -3 == $_stat['Status'] ) {
                    // translators: "check the documentation here" will appear in a "a href".
                    $_imgopt_notice = sprintf( esc_html__( 'It seems ShortPixel image optimization is not able to fetch images from your site, %1$scheck the documentation here%2$s for more information', 'autoptimize' ), '<a href="' . $_imgopt_unreach . '" target="_blank">', '</a>' );
                } else {
                    $_imgopt_upsell = 'https://misc.optimizingmatters.com/partners/?from=aofree&partner=shortpixelupsell';
                    // translators: "log in to check your account" will appear in a "a href".
                    $_imgopt_notice = sprintf( esc_html__( 'Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
                }

                // add info on freshness + refresh link if status is not 2 (good shape).
                if ( 2 != $_stat['Status'] ) {
                    $_imgopt_stats_refresh_url = add_query_arg(
                        array(
                            'page'                => 'autoptimize_imgopt',
                            'refreshImgProvStats' => '1',
                        ),
                        admin_url( 'options-general.php' )
                    );
                    if ( $_stat && array_key_exists( 'timestamp', $_stat ) && ! empty( $_stat['timestamp'] ) ) {
                        $_imgopt_stats_last_run = esc_html__( 'based on status at ', 'autoptimize' ) . date_i18n( autoptimizeOptionWrapper::get_option( 'time_format' ), $_stat['timestamp'] );
                    } else {
                        $_imgopt_stats_last_run = esc_html__( 'based on previously fetched data', 'autoptimize' );
                    }
                    $_imgopt_notice .= ' (' . $_imgopt_stats_last_run . ', ';
                    // translators: "here to refresh" links to the Autoptimize Extra page and forces a refresh of the img opt stats.
                    $_imgopt_notice .= sprintf( esc_html__( 'you can click %1$shere to refresh your quota status%2$s', 'autoptimize' ), '<a href="' . $_imgopt_stats_refresh_url . '">', '</a>).' );
                }

                // and make the full notice filterable.
                $_imgopt_notice = apply_filters( 'autoptimize_filter_imgopt_notice', $_imgopt_notice );

                return array(
                    'status' => $_stat['Status'],
                    'notice' => $_imgopt_notice,
                );
            }
        }
        return false;
    }

    public static function get_imgopt_status_notice_wrapper() {
        // needed for notice being shown in autoptimizeCacheChecker.php.
        $self = new self();
        return $self->get_imgopt_status_notice();
    }

    /**
     * Get img provider stats (used to display notice).
     *
     * @param bool $_refresh Should the stats be forcefully refreshed or not.
     */
    public function query_img_provider_stats( $_refresh = false ) {
        if ( ! empty( $this->options['autoptimize_imgopt_checkbox_field_1'] ) && apply_filters( 'autoptimize_filter_imgopt_status_shortpixel', true ) ) {
            $url      = '';
            $stat_dom = 'https://no-cdn.shortpixel.ai/';
            $endpoint = $stat_dom . 'read-domain/';
            $domain   = AUTOPTIMIZE_SITE_DOMAIN;

            // make sure parse_url result makes sense, keeping $url empty if not.
            if ( $domain && ! empty( $domain ) ) {
                $url = $endpoint . $domain;
                if ( true === $_refresh ) {
                    $url = $url . '/refresh';
                }
            }

            $url = apply_filters(
                'autoptimize_filter_imgopt_stat_url',
                $url
            );

            // only do the remote call if $url is not empty to make sure no parse_url
            // weirdness results in useless calls.
            if ( ! empty( $url ) ) {
                $response = wp_remote_get( $url );
                if ( ! is_wp_error( $response ) ) {
                    if ( '200' == wp_remote_retrieve_response_code( $response ) ) {
                        $stats = json_decode( wp_remote_retrieve_body( $response ), true );
                        autoptimizeOptionWrapper::update_option( 'autoptimize_imgopt_provider_stat', $stats );
                    }
                }
            }
        }
    }

    public static function get_img_provider_stats()
    {
        // wrapper around query_img_provider_stats() so we can get to $this->options from cronjob() in autoptimizeCacheChecker.
        $self = new self();
        return $self->query_img_provider_stats();
    }

    /**
     * Determines and returns the service launch status.
     *
     * @return bool
     */
    public function launch_ok()
    {
        static $launch_status = null;

        if ( null === $launch_status ) {
            $avail_imgopt = '';
            if ( is_array( $this->options ) && array_key_exists( 'availabilities', $this->options ) && is_array( $this->options['availabilities'] ) && array_key_exists( 'extra_imgopt', $this->options['availabilities'] ) ) {
                $avail_imgopt = $this->options['availabilities']['extra_imgopt'];
            }

            $magic_number  = intval( substr( md5( parse_url( AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST ) ), 0, 3 ), 16 );
            $has_launched  = autoptimizeOptionWrapper::get_option( 'autoptimize_imgopt_launched', '' );
            $launch_status = false;
            if ( $has_launched || ( is_array( $avail_imgopt ) && array_key_exists( 'launch-threshold', $avail_imgopt ) && $magic_number < $avail_imgopt['launch-threshold'] ) ) {
                $launch_status = true;
                if ( ! $has_launched ) {
                    autoptimizeOptionWrapper::update_option( 'autoptimize_imgopt_launched', 'on' );
                }
            }
        }

        return $launch_status;
    }

    public static function launch_ok_wrapper() {
        // needed for "plug" notice in autoptimizeMain.php.
        $self = new self();
        return $self->launch_ok();
    }

    public function get_imgopt_provider_userstatus() {
        static $_provider_userstatus = null;

        if ( is_null( $_provider_userstatus ) ) {
            $_stat = autoptimizeOptionWrapper::get_option( 'autoptimize_imgopt_provider_stat', '' );
            if ( is_array( $_stat ) ) {
                if ( array_key_exists( 'Status', $_stat ) ) {
                    $_provider_userstatus['Status'] = $_stat['Status'];
                } else {
                    // if no stats then we assume all is well.
                    $_provider_userstatus['Status'] = 2;
                }
                if ( array_key_exists( 'timestamp', $_stat ) ) {
                    $_provider_userstatus['timestamp'] = $_stat['timestamp'];
                } else {
                    // if no timestamp then we return "".
                    $_provider_userstatus['timestamp'] = '';
                }
            } else {
                // no provider_stat yet, assume/ return all OK.
                $_provider_userstatus['Status']    = 2;
                $_provider_userstatus['timestamp'] = '';
            }
        }

        return $_provider_userstatus;
    }
}