<?php

/**
 * JEvents Component for Joomla! 3.x
 *
 * This file based on Joomla config component Copyright (C) 2005 - 2008 Open Source Matters.
 *
 * @version     $Id: params.php 3548 2012-04-20 09:25:43Z geraintedwards $
 * @package     JEvents
 * @copyright   Copyright (C) 2008-2020 GWESystems Ltd, 2006-2008 JEvents Project Group
 * @license     GNU/GPLv2, see http://www.gnu.org/licenses/gpl-2.0.html
 * @link        http://www.jevents.net
 */
defined('_JEXEC') or die('Restricted access');

jimport('joomla.application.component.controlleradmin');

use Joomla\CMS\MVC\Controller\AdminController;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Cache\Cache;
use Joomla\CMS\Factory;
use Joomla\CMS\Table\Table;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Component\ComponentHelper;

class AdminParamsController extends AdminController
{

	/**
	 * Custom Constructor
	 */
	function __construct($default = array())
	{

		$user = Factory::getUser();

		if (!JEVHelper::isAdminUser())
		{
			Factory::getApplication()->redirect("index.php?option=" . JEV_COM_COMPONENT . "&task=cpanel.cpanel", "Not Authorised - must be admin");

			return;
		}

		$default['default_task'] = 'edit';
		parent::__construct($default);

		$this->registerTask('apply', 'save');

	}

	/**
	 * Show the configuration edit form
	 *
	 * @param string The URL option
	 */
	function edit($key = null, $urlVar = null)
	{

		$app    = Factory::getApplication();
		// get the view
		$this->view = $this->getView("params", "html");

		$model = $this->getModel('component');
		$table = Table::getInstance('extension');
		if (!$table->load(array("element" => "com_jevents", "type" => "component"))) // 1.6 mod
		{

			$app->enqueueMessage(Text::_('JEV_NOT_A_VALID_COM'), 'error');

			return false;
		}
		// Sort out sites with more than one entry in the extensions table
		$db = Factory::getDbo();
		$db->setQuery("SELECT * FROM #__extensions WHERE element='com_jevents' and type='component' ORDER BY extension_id ASC");
		$jevcomponents = $db->loadObjectList();
		if (count($jevcomponents) > 1)
		{
			$duplicateExtensionWarning = Text::_('JEV_DUPLICATE_EXTENSION_WARNING');
			if ($duplicateExtensionWarning == 'JEV_DUPLICATE_EXTENSION_WARNING')
			{
				$duplicateExtensionWarning = 'We have duplicate entries in the extensions table.  These are being cleaned up.  <br/><br/><strong>Please check your configuration settings and save them</strong>';
			}
			$app->enqueueMessage($duplicateExtensionWarning, 'warning');
			$maxversion       = "0.0.1";
			$validExtensionId = 0;
			foreach ($jevcomponents as $jevcomponent)
			{
				$manifest = new JevRegistry($jevcomponent->manifest_cache);
				$version  = $manifest->get("version", "0.0.1");
				if (version_compare($version, $maxversion, "gt"))
				{
					$maxversion       = $version;
					$validExtensionId = $jevcomponent->extension_id;
				}
			}
			foreach ($jevcomponents as $jevcomponent)
			{
				$manifest = new JevRegistry($jevcomponent->manifest_cache);
				$version  = $manifest->get("version", "0.0.1");
				if (version_compare($version, $maxversion, "lt"))
				{
					// reset component id in any menu items and link to the old one
					$db->setQuery("UPDATE #__menu set component_id=" . $validExtensionId . " WHERE component_id=" . $jevcomponent->extension_id);
					$db->execute();

					// remove the older version
					$db->setQuery("DELETE FROM #__extensions WHERE element='com_jevents' and type='component' and extension_id=" . $jevcomponent->extension_id);
					$db->execute();

				}
			}
		}

		// Backwards compatatbility
		$table->id     = $table->extension_id;
		$table->option = $table->element;

		// Set the layout
		$this->view->setLayout('edit');

		$this->view->component  = $table;
		$this->view->setModel($model, true);
		$this->view->display();

	}

	/**
	 * Save the configuration
	 */
	function save($key = null, $urlVar = null)
	{

		// Check for request forgeries
		\Joomla\CMS\Session\Session::checkToken() or jexit('Invalid Token');
		//echo $this->getTask();
		//exit;
		$component = JEV_COM_COMPONENT;

		$app    = Factory::getApplication();
		$input  = $app->input;

		$model = $this->getModel('params');
		$table = Table::getInstance('extension');
		//if (!$table->loadByOption( $component ))
		if (!$table->load(array("element" => "com_jevents", "type" => "component"))) // 1.6 mod
		{
			$app->enqueueMessage(Text::_('JEV_NOT_A_VALID_COM'), 'warning');

			return false;
		}
		$post            = $input->post->getArray(array(), null, 'RAW');
		$post['params']  = $input->post->get('jform', null, 'RAW');
		$post['plugins'] = $input->post->get('jform_plugin', null, 'RAW');
		$post['option']  = $component;
		$table->bind($post);

		// Pre-save checks
		if (!$table->check())
		{
			$app->enqueueMessage('Error 500 - ' . $table->getError(), 'error');

			return false;
		}

		// If switching from single cat to multi cat then reset the table entries
		$params = ComponentHelper::getParams(JEV_COM_COMPONENT);

		if (!$params->get("multicategory", 0) && isset($post["params"]['multicategory']) && $post["params"]['multicategory'] == 1)
		{
			$db  = Factory::getDbo();
			$sql = "DELETE FROM #__jevents_catmap";
			$db->setQuery($sql);
			$db->execute();

			$sql = "REPLACE INTO #__jevents_catmap (evid, catid) SELECT ev_id, catid from #__jevents_vevent WHERE catid in (SELECT id from #__categories where extension='com_jevents')";
			$db->setQuery($sql);
			$db->execute();
		}

		// save the changes
		if (!$table->store())
		{
			$app->enqueueMessage('Error 500 - ' . $table->getError(), 'error');

			return false;
		}

		// Now save the form permissions data
		$data   = $input->post->get('jform', null, 'RAW');
		$option = JEV_COM_COMPONENT;
		$comp   = ComponentHelper::getComponent(JEV_COM_COMPONENT);
		$id     = $comp->id;
		// Validate the posted data.
		\Joomla\CMS\Form\Form::addFormPath(JPATH_COMPONENT);

		$form   = $model->getForm();
		$return = $model->validate($form, $data);

		// Check for validation errors.
		if ($return === false)
		{
			// Get the validation messages.
			$errors = $model->getErrors();
			// Push up to three validation messages out to the user.
			for ($i = 0, $n = count($errors); $i < $n && $i < 3; $i++)
			{
				if ($errors[$i] instanceof Exception)
				{
					$app->enqueueMessage($errors[$i]->getMessage(), 'notice');
				}
				else
				{
					$app->enqueueMessage($errors[$i], 'notice');
				}
			}

			// Save the data in the session.
			$app->setUserState('com_config.config.global.data', $data);
			// Redirect back to the edit screen.
			$this->setRedirect(Route::_('index.php?option=' . JEV_COM_COMPONENT . '&task=params.edit', false));
			$this->redirect();

			return false;
		}

		// Attempt to save the configuration.
		$data   = array(
			'params' => $return,
			'id'     => $id,
			'option' => $option
		);
		$return = $model->saveRules($data);

//                $db = Factory::getDbo();
//                $db->setQuery("Select * from #__extensions where element='com_jevents' and type='component'");
//                $jevcomp = $db->loadObjectList();
//               var_dump($jevcomp);exit();

		// Clear cache of com_config component.
		$this->cleanCache('_system', 1); // admin
		$this->cleanCache('_system', 0); // site

		// If caching is enabled then remove the component params from the cache!
		// Bug fixed in Joomla 3.2.1 ??
		$joomlaconfig = Factory::getConfig();
		if ($joomlaconfig->get("caching", 0))
		{
			$cacheController = Factory::getCache('_system', 'callback');
			$cacheController->cache->remove("com_jevents");
		}

		foreach ($post['plugins'] as $folder => $plugins)
		{
			foreach ($plugins as $plugin => $pluginparams)
			{
				$table = Table::getInstance('extension');
				if (!$table->load(array("element" => $plugin, "type" => "plugin", "folder" => $folder)))
				{
					Factory::getApplication()->enqueueMessage(Text::sprintf('JEV_NOT_A_VALID_PLUGIN', $plugin), 'warning');
					continue;
				}
				$table->bind($pluginparams);

				// pre-save checks
				if (!$table->check())
				{
					Factory::getApplication()->enqueueMessage('Error 500 - ' . $table->getError(), 'error');

					return false;
				}

				// save the changes
				if (!$table->store())
				{
					Factory::getApplication()->enqueueMessage('Error 500 - ' . $table->getError(), 'error');

					return false;
				}
			}
		}

		//SAVE AND APPLY CODE FROM PRAKASH
		switch ($this->getTask())
		{
			case 'apply':
				$this->setRedirect('index.php?option=' . JEV_COM_COMPONENT . '&task=params.edit', Text::_('CONFIG_SAVED'));
				$this->redirect();
				break;
			default:
				$this->setRedirect('index.php?option=' . JEV_COM_COMPONENT, Text::_('CONFIG_SAVED'));
				$this->redirect();
				break;
		}
	}

	/**
	 * Clean the cache
	 *
	 * @param   string  $group     The cache group
	 * @param   integer $client_id The ID of the client
	 *
	 * @return  void
	 *
	 * @since   12.2
	 */
	protected function cleanCache($group = null, $client_id = 0)
	{

		$app    = Factory::getApplication();
		$conf   = Factory::getConfig();

		$options = array(
			'defaultgroup' => ($group) ? $group : (isset($this->option) ? $this->option : $app->input->get('option')),
			'cachebase'    => ($client_id) ? JPATH_ADMINISTRATOR . '/cache' : $conf->get('cache_path', JPATH_SITE . '/cache'));

		$cache = Cache::getInstance('callback', $options);
		$cache->clean();

		// Trigger the onContentCleanCache event.
		$this->event_clean_cache = 'onContentCleanCache';
		$app->triggerEvent($this->event_clean_cache, $options);
	}

	/**
	 * Cancel operation
	 */
	function cancel($key = null)
	{

		$this->setRedirect('index.php');
		$this->redirect();
	}

}
