<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_users
 *
 * @copyright   (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Users\Administrator\View\Group;

use Joomla\CMS\Factory;
use Joomla\CMS\Helper\ContentHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Object\CMSObject;
use Joomla\CMS\Toolbar\ToolbarHelper;

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

/**
 * View to edit a user group.
 *
 * @since  1.6
 */
class HtmlView extends BaseHtmlView
{
    /**
     * The Form object
     *
     * @var  \Joomla\CMS\Form\Form
     */
    protected $form;

    /**
     * The item data.
     *
     * @var   object
     * @since 1.6
     */
    protected $item;

    /**
     * The model state.
     *
     * @var   CMSObject
     * @since 1.6
     */
    protected $state;

    /**
     * Display the view
     *
     * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
     *
     * @return  void
     */
    public function display($tpl = null)
    {
        $this->state = $this->get('State');
        $this->item  = $this->get('Item');
        $this->form  = $this->get('Form');

        // Check for errors.
        if (count($errors = $this->get('Errors'))) {
            throw new GenericDataException(implode("\n", $errors), 500);
        }

        $this->addToolbar();
        parent::display($tpl);
    }

    /**
     * Add the page title and toolbar.
     *
     * @return  void
     *
     * @since   1.6
     * @throws  \Exception
     */
    protected function addToolbar()
    {
        Factory::getApplication()->input->set('hidemainmenu', true);

        $isNew = ($this->item->id == 0);
        $canDo = ContentHelper::getActions('com_users');

        ToolbarHelper::title(Text::_($isNew ? 'COM_USERS_VIEW_NEW_GROUP_TITLE' : 'COM_USERS_VIEW_EDIT_GROUP_TITLE'), 'users-cog groups-add');

        $toolbarButtons = [];

        if ($canDo->get('core.edit') || $canDo->get('core.create')) {
            ToolbarHelper::apply('group.apply');
            $toolbarButtons[] = ['save', 'group.save'];
        }

        if ($canDo->get('core.create')) {
            $toolbarButtons[] = ['save2new', 'group.save2new'];
        }

        // If an existing item, can save to a copy.
        if (!$isNew && $canDo->get('core.create')) {
            $toolbarButtons[] = ['save2copy', 'group.save2copy'];
        }

        ToolbarHelper::saveGroup(
            $toolbarButtons,
            'btn-success'
        );

        if (empty($this->item->id)) {
            ToolbarHelper::cancel('group.cancel');
        } else {
            ToolbarHelper::cancel('group.cancel', 'JTOOLBAR_CLOSE');
        }

        ToolbarHelper::divider();
        ToolbarHelper::help('Users:_New_or_Edit_Group');
    }
}