<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_installer
 *
 * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Installer\Administrator\Controller;

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

/**
 * Installer Controller
 *
 * @since  1.5
 */
class DisplayController extends BaseController
{
    /**
     * Method to display a view.
     *
     * @param   boolean  $cachable   If true, the view output will be cached
     * @param   array    $urlparams  An array of safe URL parameters and their variable types, for valid values see {@link \JFilterInput::clean()}.
     *
     * @return  static   This object to support chaining.
     *
     * @since   1.5
     */
    public function display($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', 'install');
        $vFormat = $document->getType();
        $lName   = $this->input->get('layout', 'default', 'string');
        $id      = $this->input->getInt('update_site_id');

        // Check for edit form.
        if ($vName === 'updatesite' && $lName === 'edit' && !$this->checkEditId('com_installer.edit.updatesite', $id)) {
            // Somehow the person just went to the form - we don't allow that.
            if (!\count($this->app->getMessageQueue())) {
                $this->setMessage(Text::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id), 'error');
            }

            $this->setRedirect(Route::_('index.php?option=com_installer&view=updatesites', false));

            $this->redirect();
        }

        // Get and render the view.
        if ($view = $this->getView($vName, $vFormat)) {
            // Get the model for the view.
            $model = $this->getModel($vName);

            // 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_installer')) {
            throw new \Exception(Text::_('JGLOBAL_AUTH_ACCESS_DENIED'));
        }

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

        echo new JsonResponse(count($model->getItems()));
    }
}
