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<?php
/** 
 * @package   	VikBooking
 * @subpackage 	core
 * @author    	E4J s.r.l.
 * @copyright 	Copyright (C) 2019 E4J s.r.l. All Rights Reserved.
 * @license  	http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 * @link 		https://vikwp.com
 */

// No direct access
defined('ABSPATH') or die('No script kiddies please!');

JLoader::import('adapter.mvc.controllers.admin');

/**
 * VikBooking plugin Shortcode controller.
 *
 * @since 	1.0
 * @see 	JControllerAdmin
 */
class VikBookingControllerShortcode extends JControllerAdmin
{
	public function savenew()
	{
		$this->save(2);
	}

public function saveclose()
	{
		$this->save(1);
	}

public function save($close = 0)
	{
		$app = JFactory::getApplication();

// get return URL
		$encoded = $app->input->getBase64('return', '');

// set up redirect url in case of error
		$this->setRedirect('admin.php?page=vikbooking&view=shortcodes' . ($encoded ? '&return=' . $encoded : ''));

/**
		 * Added token validation.
		 *
		 * @since 1.6.7
		 */
		if (!JSession::checkToken() && !JSession::checkToken('get'))
		{
			if (wp_doing_ajax())
			{
				VBOHttpDocument::getInstance($app)->close(403, JText::translate('JINVALID_TOKEN'));
			}
			
			// missing CSRF token
			$app->enqueueMessage(JText::translate('JINVALID_TOKEN'), 'error');
			return false;
		}

// make sure the user is authorised to change shortcodes
		if (!JFactory::getUser()->authorise('core.admin', 'com_vikbooking'))
		{
			if (wp_doing_ajax())
			{
				VBOHttpDocument::getInstance($app)->close(403, JText::translate('JERROR_ALERTNOAUTHOR'));
			}

// not authorized
			return false;
		}

// get item from request
		$data = $this->model->getFormData();

// dispatch model to save the item
		$id = $this->model->save($data);

if (!$id)
		{
			// get string error
			$error = $this->model->getError(null, true);
			$error = JText::sprintf('JLIB_APPLICATION_ERROR_SAVE_FAILED', $error);

if (wp_doing_ajax())
			{
				VBOHttpDocument::getInstance($app)->close(500, $error);
			}

// display error message
			$app->enqueueMessage($error, 'error');

$url = 'admin.php?page=vikbooking&view=shortcode';

if ($data->id)
			{
				$url .= '&cid[]=' . $data->id;
			}

// redirect to new/edit page
			$this->setRedirect($url);
			return false;
		}

if (wp_doing_ajax())
		{
			VBOHttpDocument::getInstance($app)->json($this->model->getItem($id));
		}

if ($close == 2)
		{
			// save and new
			$return = 'admin.php?page=vikbooking&task=shortcodes.create&return=' . $encoded;
		}
		else if ($close == 1)
		{
			// save and close
			$return = 'admin.php?page=vikbooking&view=shortcodes&return=' . $encoded;
		}
		else
		{
			// save and stay in edit page
			$return = 'admin.php?page=vikbooking&task=shortcodes.edit&cid[]=' . $id . '&return=' . $encoded;
		}

$app->redirect($return);
	}

public function params()
	{
		$input = JFactory::getApplication()->input;

$id 	= $input->getInt('id', 0);
		$type 	= $input->getString('type', '');

// dispatch model to get the item (an empty ITEM if not exists)
		$item = $this->model->getItem($id);

// inject the type to load the right form
		$item->type = $type;

// obtain the type form
		$form = $this->model->getTypeForm($item);

// if the form doesn't exist, the type is probably empty
		if (!$form)
		{
			// return an empty HTML
			echo "";
		}
		// render the form and encode the response
		else
		{
			$args = json_decode($item->json);
			echo json_encode($form->renderForm($args));
		}
		
		exit;
	}

/**
	 * This task will create a page on WordPress with the requested Shortcode inside it.
	 * This is useful to automatically link Shortcodes in pages with no manual actions.
	 * 
	 * @since 	1.3.6
	 */
	public function add_to_page()
	{
		$app 	= JFactory::getApplication();
		$input 	= $app->input;

// get return URL
		$encoded = $input->getBase64('return', '');
		
		// always redirect to the shortcodes list
		$this->setRedirect('admin.php?option=com_vikbooking&view=shortcodes&return=' . $encoded);

// make sure the user is authorised to change shortcodes
		if (!JFactory::getUser()->authorise('core.admin', 'com_vikbooking'))
		{
			return;
		}

// get selected shortcodes
		$cid = $input->getUint('cid', array());

// attempt to assign the shortcodes to a page
		if ($this->model->addPage($cid))
		{
			// add success message and redirect
			$app->enqueueMessage(JText::translate('VBO_SC_ADDTOPAGE_OK'));
		}

// fetch all registered errors (if any)
		$errors = $this->model->getErrors();

foreach ($errors as $error)
		{
			if ($error instanceof Exception)
			{
				$error = $error->getMessage();
			}

// enqueue error message
			$app->enqueueMessage($error, 'error');
		}
	}
}