<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_config
 *
 * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Config\Administrator\View\Component;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Toolbar\ToolbarHelper;
use Joomla\Component\Config\Administrator\Helper\ConfigHelper;

/**
 * View for the component configuration
 *
 * @since  3.2
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * The model state
	 *
	 * @var    \Joomla\CMS\Object\CMSObject
	 * @since  3.2
	 */
	public $state;

	/**
	 * The form object
	 *
	 * @var    \Joomla\CMS\Form\Form
	 * @since  3.2
	 */
	public $form;

	/**
	 * An object with the information for the component
	 *
	 * @var    \Joomla\CMS\Component\ComponentRecord
	 * @since  3.2
	 */
	public $component;

	/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  mixed  A string if successful, otherwise an Error object.
	 *
	 * @see     \JViewLegacy::loadTemplate()
	 * @since   3.2
	 */
	public function display($tpl = null)
	{
		$form = null;
		$component = null;

		try
		{
			$component = $this->get('component');

			if (!$component->enabled)
			{
				return false;
			}

			$form = $this->get('form');
			$user = Factory::getUser();
		}
		catch (\Exception $e)
		{
			Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');

			return false;
		}

		$this->fieldsets   = $form ? $form->getFieldsets() : null;
		$this->formControl = $form ? $form->getFormControl() : null;

		// Don't show permissions fieldset if not authorised.
		if (!$user->authorise('core.admin', $component->option) && isset($this->fieldsets['permissions']))
		{
			unset($this->fieldsets['permissions']);
		}

		$this->form = &$form;
		$this->component = &$component;

		$this->components = ConfigHelper::getComponentsWithConfig();

		$this->userIsSuperAdmin = $user->authorise('core.admin');
		$this->currentComponent = Factory::getApplication()->input->get('component');
		$this->return = Factory::getApplication()->input->get('return', '', 'base64');

		$this->addToolbar();

		return parent::display($tpl);
	}

	/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @since   3.2
	 */
	protected function addToolbar()
	{
		ToolbarHelper::title(Text::_($this->component->option . '_configuration'), 'sliders-h config');
		ToolbarHelper::apply('component.apply');
		ToolbarHelper::divider();
		ToolbarHelper::save('component.save');
		ToolbarHelper::divider();
		ToolbarHelper::cancel('component.cancel', 'JTOOLBAR_CLOSE');
		ToolbarHelper::divider();

		$helpUrl = $this->form->getData()->get('helpURL');
		$helpKey = (string) $this->form->getXml()->config->help['key'];
		$helpKey = $helpKey ?: 'JHELP_COMPONENTS_' . strtoupper($this->currentComponent) . '_OPTIONS';
		ToolbarHelper::help($helpKey, (boolean) $helpUrl, null, $this->currentComponent);
	}
}
