Show custom text in price html for bulk discount rule applied products

Display custom text in the price HTML for products with bulk discount rules applied.

add_filter('advanced_woo_discount_rules_strikeout_price_html', function($html, $original_price, $discounted_price, $is_variable_product, $initial_price_html, $separator, $original_price_raw, $discounted_price_raw ) {
    if(class_exists('\Wdr\App\Router')) {
        $discountManager = \Wdr\App\Router::$manage_discount;
        $discountCalculator = $discountManager::$calculator;
        $rules = $discountCalculator::$rules;
        global $product;
        if(is_object($product) && method_exists($product, 'get_id')){
            $product_id = $product->get_id();
            $prices = \Wdr\App\Controllers\ManageDiscount::$calculated_product_discount[$product_id];
            $rule_id = array_keys($prices['total_discount_details'][$product_id])[0];
            if($rules[$rule_id]->rule->discount_type === 'wdr_bulk_discount'){
                if($initial_price_html){
                    $html = '<del>' . $initial_price_html . '</del>' . $separator ."As low as".'<ins>' . $discounted_price . '</ins>';
                }else{
                    $html = '<del>' . $original_price . '</del>' . $separator . "As low as". '<ins>' . $discounted_price . '</ins>';
                }
            }
        }
    }
    return $html;
}, 10, 8);