<?php
//
// +---------------------------------------------------------------------------+
// | Nitro :: Base :: Index                                                    |
// +---------------------------------------------------------------------------+
// | Copyright (c) 2006 June Systems BV                                        |
// +---------------------------------------------------------------------------+
// | This library is free software; you can redistribute it and/or modify it   |
// | under the terms of the GNU Lesser General Public License as published by  |
// | the Free Software Foundation; either version 2.1 of the License, or (at   |
// | your option) any later version.                                           |
// |                                                                           |
// | This library is distributed in the hope that it will be useful, but       |
// | WITHOUT ANY WARRANTY; without even the implied warranty of                |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser   |
// | General Public License for more details.                                  |
// |                                                                           |
// | You should have received a copy of the GNU Lesser General Public License  |
// | along with this library; if not, write to the Free Software Foundation,   |
// | Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA            |
// +---------------------------------------------------------------------------+
// | Authors: Siggi Oskarsson <hide@address.com>                          |
// |          Jesper Avot <hide@address.com                              |
// +---------------------------------------------------------------------------+
//
// $Id: index.php 229 2008-04-17 09:20:31Z oli $
//
// Nitro's index script
//

/**
 * TODO : Place Nitro default CSS/JS in Nitro dir, not in Site dir.
 *        Site dir must be filled with index.php, NitroBaseConfig.inc.php 
 *        GetObject.php and xml.php only!
 */

/**
 * Include NitroBaseConfig file
 */
include_once "NitroBaseConfig.inc.php";

/**
 * Start timer
 */
$NitroPageStartTime = NitroGetMicroTime();

/**
 * Check if the config is loaded correctly.
 */
if ($__NitroConf->isLoaded) {
	/**
	 * Include Nitro Page class
	 */
	include_once "Nitro/Page.inc.php";

	Debug("index.php", "IndexFile", "Creating Nitro page", __FILE__, __LINE__);
	
	// Check for IndexPage cache
	$IndexPageCacheFile = NitroGetTmpCacheDir(Array('IndexPages/')).md5($_SERVER['REQUEST_URI']).'_L'.NitroGetUserLanguage().'.html';
	if (NitroGetConfig('Settings/IndexPageCache') && @file_exists($IndexPageCacheFile) && @filemtime($IndexPageCacheFile) > (time() - (60*NitroGetConfig('Settings/IndexPageCache')))) {
		Debug("index.php", "IndexFile", "Using IndexPage cache", __FILE__, __LINE__);
		include_once $IndexPageCacheFile;
	} else {
		$Page = new NitroPage();
		$Page->PageCachingAllowed = TRUE;
		if ($_GET["P"]) {
			$Page->InitPageFromString($_GET["P"]);
		} else {
			$Page->InitPageFromSystemString($__NitroConf->CONF["Default"]["Page"]);
		}
		
		/**
		 * Draw the requested or default page on the screen.
		 */
		echo $PageContent = $Page->Draw();
		
		/**
		 * Creating IndexPage cache when allowed
		 */
		if (!strlen($Page->Error) && $Page->PageCachingAllowed && !$Page->noPageCache && NitroGetConfig('Settings/IndexPageCache')) {
			Debug("index.php", "IndexFile", "Creating cache of IndexPage", __FILE__, __LINE__, DEBUG_APPL_OK);
			if ($fp = @fopen($IndexPageCacheFile, 'w')) {
				fwrite($fp, $PageContent);
				fclose($fp);
			}
		}
	}
	
	/**
	 * Page is drawn, close the session for writing. (reduces frame load!)
	 */
	session_write_close();
} else {
	/**
	 * No NitroBaseConfig file found, error time!
	 */
	echo "Configuration File could not be loaded.<br /><br />" . $__NitroConf->Error;
	exit;
}

/**
 * Nitro Debug stuff
 */
if (NITRO_DEBUG) {
	Debug("index.php", "IndexFile", "Index done, closing", __FILE__, __LINE__);
	DebugCloseGroup(); // Why ?? There is no Group!
	$_DEBUG->StopDebug();
	echo $_DEBUG->DrawJScript();
} else {
	echo "<script language='javascript' type='text/javascript'>window.status = \"Page parse time: " . sprintf("%0.5f", (NitroGetMicroTime() - $NitroPageStartTime)) . "\";</script>";
}
?>