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<?php

/**
 * @package SP Page Builder
 * @author JoomShaper http://www.joomshaper.com
 * @copyright Copyright (c) 2010 - 2023 JoomShaper
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or later
 */

use Joomla\CMS\Factory;
use Joomla\CMS\Uri\Uri;

// No direct access
defined('_JEXEC') or die('Restricted access');

/**
 * Summary of IconHelper
 */
class IconHelper
{
    private static $instance;

    /**
     * Get the parsed class list
     *
     * @param string $css css file for parsing
     * @return string
     * @since 4.0.0
     */
    public static function getClassName($css, $prefix, $force = false)
    {
        if (empty(trim($css)))
        {
            return false;
        }

        if (self::$instance === null)
        {
            self::$instance = new IconHelper();
        }

        $parsedClassName = self::$instance->parseCssSelectors($css,
$prefix, $force);

        return $parsedClassName;
    }

    /**
     * Parse CSS Selectors
     *
     * @param  [type]  $css     CSS file to parse.
     * @param  [type]  $prefix  Prefix.
     * @param  boolean $force   Add extra prefix.
     * @return string
     */
    private function parseCssSelectors($css, $prefix, $force = false)
    {
        $result = [];
        /**
         * Check css comment
         * preg_match_all('/([\/][\*]).*./',$css,$match);
         */
        preg_match_all('/([^\{\}]+)\{([^\}]*)\}|([\/\*])/ims',
$css, $match);

        foreach ($match[0] as $i => $x)
        {
            $selector = trim($match[1][$i]);
            if (preg_match_all("/(^\." . $prefix .
"\-)\w+(\-\w+)?(\-\w+)?(:before)/m", $selector))
            {
                if ($force)
                {
                    $result[] = $prefix . ' ' .
(explode(':', explode('.', $selector)[1])[0]);
                }
                else
                {
                    $result[] = explode(':',
explode('.', $selector)[1])[0];
                }
            }
        }

        return json_encode($result);
    }

    public static function loadAssets()
    {
        $doc = Factory::getDocument();
        $db = Factory::getDbo();
        $query = $db->getQuery(true)
            ->select($db->quoteName(array('a.name',
'a.css_path')))
           
->from($db->quoteName('#__sppagebuilder_assets',
'a'))
            ->where($db->quoteName('a.published') . '
= 1');

        $db->setQuery($query);
        $assets = $db->loadObjectList();

        if (!empty($assets))
        {
            foreach ($assets as $asset)
            {
                $asset_url = Uri::root(true) . '/' .
$asset->css_path;
                $doc->addStylesheet($asset_url);
            }
        }

        $doc->addStyleSheet(Uri::root(true) .
'/components/com_sppagebuilder/assets/css/font-awesome-5.min.css');
        $doc->addStyleSheet(Uri::root(true) .
'/components/com_sppagebuilder/assets/css/font-awesome-v4-shims.css');
    }

    public static function getVersion($md5 = false)
    {
        $db = Factory::getDbo();
        $query = $db->getQuery(true)
            ->select('e.manifest_cache')
            ->select($db->quoteName('e.manifest_cache'))
            ->from($db->quoteName('#__extensions',
'e'))
            ->where($db->quoteName('e.element') . ' =
' . $db->quote('com_sppagebuilder'));

        $db->setQuery($query);
        $manifest_cache = json_decode($db->loadResult());

        if (isset($manifest_cache->version) &&
$manifest_cache->version)
        {

            if ($md5)
            {
                return md5($manifest_cache->version);
            }

            return $manifest_cache->version;
        }

        return '1.0';
    }
}