<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_newsfeeds
 *
 * @copyright   (C) 2005 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Newsfeeds\Administrator\Controller;

\defined('_JEXEC') or die;

use Joomla\CMS\Language\Associations;
use Joomla\CMS\Language\LanguageHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Controller\BaseController;
use Joomla\CMS\Response\JsonResponse;
use Joomla\CMS\Session\Session;

/**
 * The newsfeed controller for ajax requests
 *
 * @since  3.9.0
 */
class AjaxController extends BaseController
{
	/**
	 * Method to fetch associations of a newsfeed
	 *
	 * The method assumes that the following http parameters are passed in an Ajax Get request:
	 * token: the form token
	 * assocId: the id of the newsfeed whose associations are to be returned
	 * excludeLang: the association for this language is to be excluded
	 *
	 * @return  null
	 *
	 * @since  3.9.0
	 */
	public function fetchAssociations()
	{
		if (!Session::checkToken('get'))
		{
			echo new JsonResponse(null, Text::_('JINVALID_TOKEN'), true);
		}
		else
		{
			$assocId = $this->input->getInt('assocId', 0);

			if ($assocId == 0)
			{
				echo new JsonResponse(null, Text::sprintf('JLIB_FORM_VALIDATE_FIELD_INVALID', 'assocId'), true);

				return;
			}

			$excludeLang = $this->input->get('excludeLang', '', 'STRING');

			$associations = Associations::getAssociations('com_newsfeeds', '#__newsfeeds', 'com_newsfeeds.item', (int) $assocId);

			unset($associations[$excludeLang]);

			// Add the title to each of the associated records
			$newsfeedsTable = $this->factory->createTable('Newsfeed', 'Administrator');

			foreach ($associations as $lang => $association)
			{
				$newsfeedsTable->load($association->id);
				$associations[$lang]->title = $newsfeedsTable->name;
			}

			$countContentLanguages = count(LanguageHelper::getContentLanguages(array(0, 1), false));

			if (count($associations) == 0)
			{
				$message = Text::_('JGLOBAL_ASSOCIATIONS_PROPAGATE_MESSAGE_NONE');
			}
			elseif ($countContentLanguages > count($associations) + 2)
			{
				$tags    = implode(', ', array_keys($associations));
				$message = Text::sprintf('JGLOBAL_ASSOCIATIONS_PROPAGATE_MESSAGE_SOME', $tags);
			}
			else
			{
				$message = Text::_('JGLOBAL_ASSOCIATIONS_PROPAGATE_MESSAGE_ALL');
			}

			echo new JsonResponse($associations, $message);
		}
	}
}
