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<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2012 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\HTML\Helpers;

use Joomla\CMS\Factory;
use Joomla\CMS\HTML\HTMLHelper;

// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Utility class for jQuery JavaScript behaviors
 *
 * @since  3.0
 */
abstract class Jquery
{
    /**
     * Array containing information for loaded files
     *
     * @var    array
     * @since  3.0
     */
    protected static $loaded = [];

    /**
     * Method to load the jQuery JavaScript framework into the document head
     *
     * If debugging mode is on an uncompressed version of jQuery is included for easier debugging.
     *
     * @param   boolean  $noConflict  True to load jQuery in noConflict mode [optional]
     * @param   mixed    $debug       Is debugging mode on? [optional]
     * @param   boolean  $migrate     True to enable the jQuery Migrate plugin
     *
     * @return  void
     *
     * @since   3.0
     *
     * @deprecated  4.0 will be removed in 6.0
     *              Use webasset manager instead
     *              Example:
     *              $wa = Factory::getApplication()->getDocument()->getWebAssetManager();
     *              $wa->useScript('jquery');
     *              $wa->useScript('jquery-noconflict');
     *              $wa->useScript('jquery-migrate');
     */
    public static function framework($noConflict = true, $debug = null, $migrate = false)
    {
        $wa = Factory::getApplication()->getDocument()->getWebAssetManager();
        $wa->useScript('jquery');

        // Check if we are loading in noConflict
        if ($noConflict) {
            $wa->useScript('jquery-noconflict');
        }

        // Check if we are loading Migrate
        if ($migrate) {
            $wa->useScript('jquery-migrate');
        }
    }

    /**
     * Auto set CSRF token to ajaxSetup so all jQuery ajax call will contains CSRF token.
     *
     * @param   string  $name  The CSRF meta tag name.
     *
     * @return  void
     *
     * @throws  \InvalidArgumentException
     *
     * @since   3.8.0
     */
    public static function token($name = 'csrf.token')
    {
        // Only load once
        if (!empty(static::$loaded[__METHOD__][$name])) {
            return;
        }

        static::framework();
        HTMLHelper::_('form.csrf', $name);

        $doc = Factory::getDocument();

        $doc->addScriptDeclaration(
            <<<JS
;(function ($) {
	$.ajaxSetup({
		headers: {
			'X-CSRF-Token': Joomla.getOptions('$name')
		}
	});
})(jQuery);
JS
        );

        static::$loaded[__METHOD__][$name] = true;
    }
}