<?php

namespace Tenweb_Manager\Optimizer {

    class TenwebOptimizerAdmin
    {

        protected static $instance;

        private $page_url;

        private function __construct()
        {
            $this->page_url = twoptimizeUtils::get_page_url();
        }


        public static function get_instance()
        {
            if (self::$instance === null) {
                self::$instance = new self;
            }

            return self::$instance;
        }

        public static function two_activate($networkwide)
        {
            if (function_exists('is_multisite') && is_multisite()) {
                // Check if it is a network activation - if so, run the activation function for each blog id.
                if ($networkwide) {
                    global $wpdb;
                    // Get all blog ids.
                    $blogids = $wpdb->get_col("SELECT blog_id FROM $wpdb->blogs");
                    foreach ($blogids as $blog_id) {
                        switch_to_blog($blog_id);
                        self::activate();
                        restore_current_blog();
                    }

                    return;
                }
            }
            self::activate();
        }

        public static function activate()
        {
            $two_exclude_js = get_option('two_exclude_js');
            $two_async_font = get_option('two_async_font');
            $two_lazyload= get_option('two_lazyload');
            if ($two_exclude_js === false) {
                update_option('two_exclude_js', 'wp-content/cache/, wp-includes/js/dist/, wp-includes/js/tinymce/, js/jquery/jquery.js');
            }
            if ($two_async_font === false) {
                update_option('two_async_font', 'on');
            }
            if ($two_lazyload === false) {
                update_option('two_lazyload', 'on');
            }
        }

        public function update()
        {
            $version = get_option('tw_optimize_version');
            $new_version = TW_OPTIMIZE_VERSION;
            if (version_compare($version, $new_version, '<')) {
                /* Update TW optimize version */
                update_option("tw_optimize_version", $new_version);
                $this->clear_cache(false);
            }
        }
    }
}