<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_joomlaupdate
 *
 * @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\Component\Joomlaupdate\Administrator\Controller;

\defined('_JEXEC') or die;

use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Controller\BaseController;
use Joomla\CMS\Response\JsonResponse;
use Joomla\CMS\Router\Route;

/**
 * Joomla! Update Controller
 *
 * @since  2.5.4
 */
class DisplayController extends BaseController
{
	/**
	 * Method to display a view.
	 *
	 * @param   boolean  $cachable   If true, the view output will be cached.
	 * @param   array    $urlparams  An array of safe URL parameters and their variable types, for valid values see {@link \JFilterInput::clean()}.
	 *
	 * @return  static   This object to support chaining.
	 *
	 * @since   2.5.4
	 */
	public function display($cachable = false, $urlparams = false)
	{
		// Get the document object.
		$document = $this->app->getDocument();

		// Set the default view name and format from the Request.
		$vName   = $this->input->get('view', 'Joomlaupdate');
		$vFormat = $document->getType();
		$lName   = $this->input->get('layout', 'default', 'string');

		// Get and render the view.
		if ($view = $this->getView($vName, $vFormat))
		{
			// Only super user can access file upload
			if ($view == 'upload' && !$this->app->getIdentity()->authorise('core.admin', 'com_joomlaupdate'))
			{
				$this->app->redirect(Route::_('index.php?option=com_joomlaupdate', true));
			}

			// Get the model for the view.
			/** @var \Joomla\Component\Joomlaupdate\Administrator\Model\UpdateModel $model */
			$model = $this->getModel('Update');

			/** @var ?\Joomla\Component\Installer\Administrator\Model\WarningsModel $warningsModel */
			$warningsModel = $this->app->bootComponent('com_installer')
				->getMVCFactory()->createModel('Warnings', 'Administrator', ['ignore_request' => true]);

			if ($warningsModel !== null)
			{
				$view->setModel($warningsModel, false);
			}

			// Perform update source preference check and refresh update information.
			$model->applyUpdateSite();
			$model->refreshUpdates();

			// Push the model into the view (as default).
			$view->setModel($model, true);
			$view->setLayout($lName);

			// Push document object into the view.
			$view->document = $document;
			$view->display();
		}

		return $this;
	}

	/**
	 * Provide the data for a badge in a menu item via JSON
	 *
	 * @return  void
	 *
	 * @since   4.0.0
	 * @throws  \Exception
	 */
	public function getMenuBadgeData()
	{
		if (!$this->app->getIdentity()->authorise('core.manage', 'com_joomlaupdate'))
		{
			throw new \Exception(Text::_('JGLOBAL_AUTH_ACCESS_DENIED'));
		}

		$model = $this->getModel('Update');

		$model->refreshUpdates();

		$joomlaUpdate = $model->getUpdateInformation();

		$hasUpdate = $joomlaUpdate['hasUpdate'] ? $joomlaUpdate['latest'] : '';

		echo new JsonResponse($hasUpdate);
	}
}
