<?php
/**
 * @package         Components Anywhere
 * @version         4.10.1
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            http://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

namespace RegularLabs\Plugin\System\ComponentsAnywhere;

defined('_JEXEC') or die;

use Joomla\CMS\Factory as JFactory;
use RegularLabs\Library\CacheNew as RL_Cache;
use RegularLabs\Library\RegEx as RL_RegEx;

class Component
{
    public static function createJsonString($html)
    {
        return json_encode((object) ['html' => $html]);
    }

    public static function get($url, $use_cache = false)
    {
        if (JFactory::getApplication()->input->get('debug_component'))
        {
            $data = Data::get($url);

            echo "\n\n<pre>=======Component===================\n";
            print_r($url);
            echo "\n==========================\n";
            print_r($data);
            echo "\n==========================</pre>\n\n";
            exit;
        }

        if ($use_cache)
        {
            $user = JFactory::getApplication()->getIdentity() ?: JFactory::getUser();

            $cache = (new RL_Cache(
                [
                    __METHOD__,
                    $url,
                    JFactory::getLanguage()->getTag(),
                    $user->getAuthorisedGroups(),
                ]
            ))->useFiles();

            $data = $cache->get();

            if ( ! empty($data))
            {
                return $cache->set($data);
            }
        }

        $data = Data::get($url);

        if ( ! empty($data))
        {
            $data = self::convertHtmlToObject($data);
        }

        if ($use_cache)
        {
            return $cache->set($data);
        }

        return $data;
    }

    public static function getObject($body = '')
    {
        $doc = JFactory::getDocument();

        return (object) [
            'script'  => self::getScriptDeclaration(),
            'scripts' => $doc->_scripts,
            'style'   => $doc->_style,
            'styles'  => $doc->_styleSheets,
            'custom'  => $doc->_custom,
            'html'    => $body,
            'token'   => JFactory::getSession()->getFormToken(),
        ];
    }

    public static function render($object)
    {
        header('Content-Type: application/json');
        echo json_encode($object);
        die();
    }

    private static function convertHtmlToObject($data)
    {
        if (empty($data) || $data == '{}')
        {
            return false;
        }

        // remove possible leading encoding characters
        $data = RL_RegEx::replace('^.*?\{', '{', $data);

        $data = json_decode($data);
        if (is_null($data) || empty($data))
        {
            return false;
        }

        return $data;
    }

    private static function formatJavascriptString($string)
    {
        return str_replace(
            ['\t', '\n'],
            [JFactory::getDocument()->_getTab(), JFactory::getDocument()->_getLineEnd()],
            $string
        );
    }

    private static function getScriptDeclaration()
    {
        $script         = JFactory::getDocument()->_script;
        $script_options = JFactory::getDocument()->getScriptOptions();

        if ($script_options)
        {
            $script['joomla-script-options'] = $script_options;
        }

        return $script;
    }
}