<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_messages
 *
 * @copyright   (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Messages\Administrator\View\Message;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Toolbar\ToolbarHelper;
use Joomla\CMS\User\User;

/**
 * HTML View class for the Messages component
 *
 * @since  1.6
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * The Form object
	 *
	 * @var  \Joomla\CMS\Form\Form
	 */
	protected $form;

	/**
	 * The active item
	 *
	 * @var  object
	 */
	protected $item;

	/**
	 * The model state
	 *
	 * @var  \Joomla\CMS\Object\CMSObject
	 */
	protected $state;

	/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	public function display($tpl = null)
	{
		$this->form  = $this->get('Form');
		$this->item  = $this->get('Item');
		$this->state = $this->get('State');

		// Check for errors.
		if (count($errors = $this->get('Errors')))
		{
			throw new GenericDataException(implode("\n", $errors), 500);
		}
		elseif ($this->getLayout() !== 'edit' && empty($this->item->message_id))
		{
			throw new GenericDataException(Text::_('JERROR_ALERTNOAUTHOR'), 403);
		}

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

	/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function addToolbar()
	{
		$app = Factory::getApplication();

		if ($this->getLayout() == 'edit')
		{
			$app->input->set('hidemainmenu', true);
			ToolbarHelper::title(Text::_('COM_MESSAGES_WRITE_PRIVATE_MESSAGE'), 'envelope-open-text new-privatemessage');
			ToolbarHelper::custom('message.save', 'envelope', '', 'COM_MESSAGES_TOOLBAR_SEND', false);
			ToolbarHelper::cancel('message.cancel');
			ToolbarHelper::help('Private_Messages:_Write');
		}
		else
		{
			ToolbarHelper::title(Text::_('COM_MESSAGES_VIEW_PRIVATE_MESSAGE'), 'envelope inbox');
			$sender = User::getInstance($this->item->user_id_from);

			if ($sender->id !== $app->getIdentity()->get('id') && ($sender->authorise('core.admin')
				|| $sender->authorise('core.manage', 'com_messages') && $sender->authorise('core.login.admin'))
				&& $app->getIdentity()->authorise('core.manage', 'com_users')
			)
			{
				ToolbarHelper::custom('message.reply', 'redo', '', 'COM_MESSAGES_TOOLBAR_REPLY', false);
			}

			ToolbarHelper::cancel('message.cancel');
			ToolbarHelper::help('Private_Messages:_Read');
		}
	}
}
