'',
			'site_title'	=> 'My ' . CMS_NAME,
			'email'			=> '',
		];
		echo '
' . $langmessage['configuration'] . '  ';
		echo '' . $langmessage['Website_Title'] . '  ';
		echo '' . $langmessage['email_address'] . '  ';
		echo '' . $langmessage['Admin_Username'] . '  ';
		echo '' . $langmessage['Admin_Password'] . '  ';
		echo '' . $langmessage['repeat_password'] . '  ';
	}
	/**
	 * Display optional configuration options for installation
	 *  - jquery source (local or google)
	 *  - hide gplink
	 *
	 */
	public static function Form_Configuration(){
		global $langmessage;
		echo '';
		echo '' . $langmessage['more_options'] . '... ';
		echo '  ';
		echo '';
		//combinejs
		echo '';
		echo $langmessage['combinejs'];
		echo ' ';
		self::BooleanForm('combinejs', true);
		echo ' ';
		echo '  ';
		//minifyjs
		echo '';
		echo $langmessage['minifyjs'];
		echo ' ';
		self::BooleanForm('minifyjs', false);
		echo ' ';
		echo '  ';
		//combinecss
		echo '';
		echo $langmessage['combinecss'];
		echo ' ';
		self::BooleanForm('combinecss', true);
		echo ' ';
		echo '  ';
		//allow svg upload
		echo '';
		echo $langmessage['allow_svg_upload'];
		echo ' ';
		self::BooleanForm('allow_svg_upload', false);
		echo ' ';
		echo $langmessage['about_config']['allow_svg_upload'];
		echo '  ';
		//etag_headers
		echo '';
		echo $langmessage['etag_headers'];
		echo ' ';
		self::BooleanForm('etag_headers', true);
		echo ' ';
		echo '  ';
		echo ' ';
	}
	/**
	 * Display a checkbox for a boolean configuration option
	 *
 	 * @param string $key The configuration key being displayed
 	 * @param bool $default The default value if it hasn't already been set by the user
 	 *
	 */
	public static function BooleanForm($key, $default=true){
		$checked = '';
		if( self::BooleanValue($key, $default) ){
			$checked = ' checked="checked"';
		}
		echo ' ';
		echo ' ';
	}
	/**
	 * Determine if the boolean configuration option is true or false
	 *
 	 * @param string $key The configuration key
 	 * @param bool $default The default value if it hasn't already been set by the user
	 */
	public static function BooleanValue($key, $default=true){
		if( !isset($_POST[$key]) ){
			return $default;
		}
		if( $_POST[$key] == 'true' ){
			return true;
		}
		return false;
	}
	//based on the user supplied values, make sure we can go forward with the installation
	public static function gpInstall_Check(){
		global $langmessage;
		echo "\nInstall Check\n";
		$_POST += [
			'username'		=> '',
			'site_title'	=> 'My ' . CMS_NAME,
			'email'			=> ''
		];
		$passed = [];
		$failed = [];
		//Email Address
		if( !(bool)preg_match('/^[^@]+@[^@]+\.[^@]+$/', $_POST['email']) ){
			$failed[] = $langmessage['invalid_email'];
		}
		//Password
		if( ($_POST['password']=="") || ($_POST['password'] !== $_POST['password1'])  ){
			$failed[] = $langmessage['invalid_password'];
		}else{
			$passed[] = $langmessage['PASSWORDS_MATCHED'];
		}
		//Username
		$test = str_replace(['.', '_'], [''], $_POST['username'] );
		if( empty($test) || !ctype_alnum($test) ){
			$failed[] = $langmessage['invalid_username'];
		}else{
			$passed[] = $langmessage['Username_ok'];
		}
		if( count($passed) > 0 ){
			foreach($passed as $message){
				echo '';
				echo $message;
				echo ' ';
			}
		}
		if( count($failed) > 0 ){
			foreach($failed as $message){
				echo '';
				echo $message;
				echo ' ';
			}
			return false;
		}
		return true;
	}
	public static function Install_Title(){
		$_POST	+= ['site_title' => ''];
		$title	= $_POST['site_title'];
		$title	= htmlspecialchars($title);
		$title	= trim($title);
		if( empty($title) ){
			return 'My ' . CMS_NAME;
		}
		return $title;
	}
	public static function Install_DataFiles_New($destination=false, $config=[], $base_install=true){
		global $langmessage, $dirPrefix;
		if( $destination === false ){
			$destination = $GLOBALS['dataDir'];
		}
		//set config variables
		//use Bootstrap 4 theme if server has enough memory
		$gpLayouts							= [];
		$gpLayouts['default']['theme']		= 'Bootstrap4/footer';
		$gpLayouts['default']['label']		= 'Bootstrap 4/footer';
		$gpLayouts['default']['color']		= '#5A26A6';
		$gpLayouts['default']['framework']	= ['name' => 'Bootstrap', 'version' => 4];
		$gpLayouts['default']['js_vars']	= "\n" . 'var layout_config = {' .
			'"header_sticky":{"value":true},' .
			'"complementary_header_show":{"value":"md"},' .
			'"complementary_header_fixed":{"value":false},' .
			'"navbar_expand_breakpoint":{"value":"lg"},' .
			'"mobile_menu_style":{"value":"pulldown"}' .
			'};';
		$gpLayouts['default']['config']		= [
			'header_brand_logo'						=> ['value' => $dirPrefix . '/include/imgs/typesetter/ts-logo-o-color.svg'],
			'header_brand_logo_alt_text'			=> ['value' => 'Logo'],
			'header_sticky'							=> ['value' => true],
			'complementary_header_fixed'			=> ['value' => false],
			'complementary_header_show'				=> ['value' => 'md'],
			'complementary_header_use_container'	=> ['value' => true],
			'header_use_container'					=> ['value' => true],
			'navbar_expand_breakpoint'				=> ['value' => 'lg'],
			'main_menu_align'						=> ['value' => 'right'],
			'mobile_menu_style'						=> ['value' => 'pulldown'],
			'content_use_container'					=> ['value' => true],
			'footer_use_container'					=> ['value' => true],
			'use_avail_classes'						=> ['value' => true],
		];
		$_config							= [];
		$_config['toemail']					= $_POST['email'];
		$_config['gpLayout']				= 'default';
		$_config['title']					= self::Install_Title();
		$_config['category']				= '';
		$_config['keywords']				= '';		
		$_config['desc']					= 'A new ' . CMS_NAME . ' installation. You can change your site\'s description in the configuration.';
		$_config['timeoffset']				= '0';
		$_config['langeditor']				= 'inherit';
		$_config['dateformat']				= '%m/%d/%y - %I:%M %p';
		$_config['gpversion']				= gpversion;
		$_config['passhash']				= 'sha512';
		$_config['gpuniq']					= \gp\tool::RandomString(20);
		$_config['combinecss']				= self::BooleanValue('combinecss', true);
		$_config['combinejs']				= self::BooleanValue('combinejs', true);
		$_config['minifyjs']				= self::BooleanValue('minifyjs', false);
		$_config['allow_svg_upload']		= self::BooleanValue('allow_svg_upload', false);
		$_config['etag_headers']			= self::BooleanValue('etag_headers', true);
		$_config['gallery_legacy_style']	= false;
		$_config['language']				= 'en';
		$_config['admin_links']				= [];
		$_config['addons']					= [
			'Bootstrap4' => [
				'code_folder_part' => '/themes/Bootstrap4',
				'data_folder' => 'Bootstrap4',
				'name' => 'Bootstrap 4',
				'version' => '1.0',
				'is_theme' => true,
			],
		];
		$_config['hooks']					= [
			'AvailableClasses' => [
				'Bootstrap4' => [
					'addon'		=> 'Bootstrap4',
					'script'	=> '/themes/Bootstrap4/addon.php',
					'method'	=> [ 'Theme_Bootstrap4', 'AvailableClasses' ],
				],
			],
		];
		$config 							+= $_config;
		//directories
		\gp\tool\Files::CheckDir($destination.'/data/_uploaded/image');
		\gp\tool\Files::CheckDir($destination.'/data/_uploaded/media');
		\gp\tool\Files::CheckDir($destination.'/data/_uploaded/file');
		// \gp\tool\Files::CheckDir($destination.'/data/_uploaded/flash');
		\gp\tool\Files::CheckDir($destination.'/data/_sessions');
		// gp_index
		$new_index = [];
		$new_index['Home']			= 'a';
		$new_index['Heading_Page']	= 'b';
		$new_index['Child_Page']	= 'c';
		$new_index['More']			= 'd';
		$new_index['About']			= 'e';
		$new_index['Contact']		= 'special_contact';
		$new_index['Site_Map']		= 'special_site_map';
		$new_index['Galleries']		= 'special_galleries';
		$new_index['Missing']		= 'special_missing';
		$new_index['Search']		= 'special_gpsearch';
		//	gpmenu
		$new_menu = [];
		$new_menu['a']					= ['level' => 0];
		$new_menu['b']					= ['level' => 0];
		$new_menu['c']					= ['level' => 1];
		$new_menu['d']					= ['level' => 0];
		$new_menu['e']					= ['level' => 1];
		$new_menu['special_contact']	= ['level' => 1];
		//	links
		$new_titles = [];
		$new_titles['a']['label']	= 'Home';
		$new_titles['a']['type']	= 'text';
		$new_titles['b']['label']	= 'Heading Page';
		$new_titles['b']['type']	= 'text';
		$new_titles['c']['label']	= 'Child Page';
		$new_titles['c']['type']	= 'text';
		$new_titles['d']['label']	= 'More';
		$new_titles['d']['type']	= 'text';
		$new_titles['e']['label']	= 'About';
		$new_titles['e']['type']	= 'text';
		$new_titles['special_contact']['lang_index'] = 'contact';
		$new_titles['special_contact']['type'] = 'special';
		$new_titles['special_site_map']['lang_index'] = 'site_map';
		$new_titles['special_site_map']['type'] = 'special';
		$new_titles['special_galleries']['lang_index'] = 'galleries';
		$new_titles['special_galleries']['type'] = 'special';
		$new_titles['special_missing']['label'] = 'Missing';
		$new_titles['special_missing']['type'] = 'special';
		$new_titles['special_gpsearch']['label'] = 'Search';
		$new_titles['special_gpsearch']['type'] = 'special';
		$pages = [];
		$pages['gp_index']		= $new_index;
		$pages['gp_menu']		= $new_menu;
		$pages['gp_titles']		= $new_titles;
		$pages['gpLayouts']		= $gpLayouts;
		echo '';
		if( !\gp\tool\Files::SaveData($destination.'/data/_site/pages.php', 'pages', $pages) ){
			echo '';
			//echo 'Could not save pages.php';
			echo sprintf($langmessage['COULD_NOT_SAVE'], 'pages.php');
			echo ' ';
			echo ' ';
			return false;
		}
		echo '';
		//echo 'Pages.php saved.';
		echo sprintf($langmessage['_SAVED'], 'pages.php');
		echo ' ';
		echo '';
		// Home
		$content = 'Welcome to Your ' . CMS_NAME . ' Powered Site! 
		Now that ' . CMS_NAME . ' is installed, you can start editing the content and customizing your site.
		
		
		Getting Started 
		 
		You are currently viewing the default home page of your website. Here\'s a quick description of how to edit this page.
		
		First make sure you're ' . self::Install_Link_Content('Admin', 'logged in', 'file=Home') . '. 
		Then click the "Edit" link that appears when you move your mouse over the content. 
		Your changes will be saved to a draft automatically. Click "Publish Draft" to make them live. 
		 
		 
		
		More Options 
		 
		
		Adding, renaming, deleting and organising your pages can all be done in the ' . self::Install_Link_Content('Admin/Menu', 'Page Manager') . '. 
		Choose from a ' . self::Install_Link_Content('Admin_Theme_Content', 'variety of themes') . ' to give your site a custom look. 
		Then, you can ' . self::Install_Link_Content('Admin_Theme_Content/Edit', 'add, remove and rearrange') . ' the content of your site without editing the html. 
		Take a look at the Administrator Toolbar to access all the features of ' . CMS_NAME . '. 
		 
		 
		 
		
		
		Online Resources 
		 
		' . CMS_READABLE_DOMAIN . ' has a number of resources to help you do even more.
		
		 
		
		Git Social 
		 
		There are many ways to contribute to our project:
		
		 
		 
		';
		self::NewTitle($destination, 'Home', $content, $config, $new_index);
		// Heading Page
		$content = 'A Heading Page 
		' . self::Install_Link_Content('Child_Page', 'Child Page') . ' 
		';
		self::NewTitle($destination, 'Heading_Page', $content, $config, $new_index);
		// Child Page
		$content = 'A Child Page You can easily change the arrangement of all your pages using the ' . self::Install_Link_Content('Admin/Menu', 'Page Manager') . '.
';
		self::NewTitle($destination, 'Child_Page', $content, $config, $new_index);
		// More
		$content = 'More 
		' . self::Install_Link_Content('About', 'About') . ' 
		' . self::Install_Link_Content('Contact', 'Contact') . ' 
		 ';
		self::NewTitle($destination, 'More', $content, $config, $new_index);
		// About
		$content = 'About ' . CMS_NAME . ' ' . CMS_NAME . '  is a complete Content Management System (CMS) that can help you create rich and flexible web sites with a simple and easy to use interface.
		' . CMS_NAME . ' How To 
		Learn how to manage your files ,
		create galleries  and more in the
		' . CMS_NAME . ' Documentation .
		
		' . CMS_NAME . ' Features 
		
		True WYSIWYG (Using CKEditor) 
		Galleries (Using ColorBox) 
		SEO Friendly Links 
		Free and Open Source (GPL) 
		Runs on PHP 
		File Upload Manager 
		Drag \'n Drop Theme Content 
		Deleted File Trash Can 
		Multiple User Administration 
		Flat File Storage 
		Fast Page Loading 
		Fast and Easy Installation 
		reCaptcha for Contact Form 
		HTML Tidy (when available) 
		 ';
		self::NewTitle($destination, 'About', $content, $config, $new_index);
		//Copyright Notice
		$file		= $destination . '/data/_extra/Copyright_Notice/page.php';
		$content	= '© $currentYear My ' . CMS_NAME . '
';
		self::NewExtra($file, $content);
		//Header Contact
		$file		= $destination . '/data/_extra/Header_Contact/page.php';
		$content	= '  $email  
		  +1 2345 6789 0 ';
		self::NewExtra($file, $content);
		//Header Social Media
		$file		= $destination . '/data/_extra/Header_SocialMedia/page.php';
		$content	= '
		 
		 
		 
		 
		 ';
		self::NewExtra($file, $content);
		//Side_Menu
		$file		= $destination . '/data/_extra/Side_Menu/page.php';
		$content	= 'Join the ' . CMS_NAME . ' Community 
		Visit ' . CMS_READABLE_DOMAIN . ' to access the many available resources  to help you get the most out of our CMS.
		
		(Edit this content by clicking "Edit", it's that easy!)
';
		self::NewExtra($file, $content);
		//Header
		$file		= $destination . '/data/_extra/Header/page.php';
		$content	= '' . $config['title'] . ' 
		' . 'The Fast and Easy CMS' . ' ';
		self::NewExtra($file, $content);
		//Footer
		$file		= $destination . '/data/_extra/Footer/page.php';
		$content	= '
		Easy to use True WYSIWYG Editing.
		Flat-file data storage and advanced resource management for fast websites.
		Community driven development
		And More... 
		If you like ' . CMS_NAME . ', then you might also like
		Less.php ,
		WhatCMS.org  and
		WhichCMS.org .
		
';
		self::NewExtra($file, $content);
		//Footer Column 1
		$file		= $destination . '/data/_extra/Footer_Column_1/page.php';
		$content	= 'Footer Column 1
';
		self::NewExtra($file, $content);
		//Footer Column 2
		$file		= $destination . '/data/_extra/Footer_Column_2/page.php';
		$content	= 'Footer Column 2
';
		self::NewExtra($file, $content);
		//Footer Column 3
		$file		= $destination . '/data/_extra/Footer_Column_3/page.php';
		$content	= 'Footer Column 3
';
		self::NewExtra($file, $content);
		//Footer Column 4
		$file		= $destination . '/data/_extra/Footer_Column_4/page.php';
		$content	= 'Footer Column 4
';
		self::NewExtra($file, $content);
		//Dropdown Divider
		$file		= $destination . '/data/_extra/Bootstrap_Dropdown_Divider/page.php';
		$content	= '';
		self::NewExtra($file, $content);
		//Another example area
		$file		= $destination . '/data/_extra/Lorem/page.php';
		$content	= 'Heading 
		Donec sed odio dui. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Vestibulum id ligula porta felis euismod semper. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.
';
		self::NewExtra($file, $content);
		//Contact html
		$file		= $destination . '/data/_extra/Contact/page.php';
		$content	= 'Contact Us Use the form below to contact us, and be sure to enter a valid email address if you want to hear back from us.
';
		self::NewExtra($file, $content);
		//users
		echo '';
		$user_info = [];
		$user_info['password']		= \gp\tool::hash($_POST['password'],'sha512');
		$user_info['passhash']		= 'sha512';
		$user_info['granted']		= 'all';
		$user_info['editing']		= 'all';
		$user_info['email']			= $_POST['email'];
		$users = [];
		$username = $_POST['username'];
		//log user in here to finish user_info
		if( $base_install ){
			gp_defined('gp_session_cookie', \gp\tool\Session::SessionCookie($config['gpuniq']));
			\gp\tool\Session::create($user_info, $username, $sessions);
		}
		$users[$username] = $user_info;
		if( !\gp\tool\Files::SaveData($destination . '/data/_site/users.php', 'users', $users) ){
			echo '';
			echo sprintf($langmessage['COULD_NOT_SAVE'], 'users.php');
			echo ' ';
			echo ' ';
			return false;
		}
		echo '';
		echo sprintf($langmessage['_SAVED'], 'users.php');
		echo ' ';
		echo '';
		//save config
		//not using SaveConfig() because $config is not global here
		echo '';
		$config['file_count'] = self::$file_count;
		if( !\gp\tool\Files::SaveData($destination . '/data/_site/config.php', 'config', $config) ){
			echo '';
			echo sprintf($langmessage['COULD_NOT_SAVE'], 'config.php');
			echo ' ';
			echo ' ';
			return false;
		}
		echo '';
		echo sprintf($langmessage['_SAVED'], 'config.php');
		echo ' ';
		echo '';
		if( $base_install ){
			self::InstallHtaccess($destination);
		}
		\gp\tool\Files::Unlock('write', gp_random);
		return true;
	}
	public static function NewTitle($dataDir, $title, $content, $config, $index){
		$file = $dataDir . '/data/_pages/' . substr($config['gpuniq'], 0, 7) . '_' . $index[$title] . '/page.php';
		self::$file_count++;
		$file_sections = [];
		$file_sections[0] = [
			'type'		=> 'text',
			'content'	=> $content,
		];
		$meta_data = [
			'file_number'	=> self::$file_count,
			'file_type'		=> 'text',
		];
		return \gp\tool\Files::SaveData($file, 'file_sections', $file_sections, $meta_data);
	}
	public static function NewExtra($file, $content, $type="text"){
		$extra_content = [['type' => $type, 'content' => $content]];
		return \gp\tool\Files::SaveData($file, 'file_sections', $extra_content);
	}
	/**
	 * attempt to create an htaccess file
	 * .htaccess creation only works for base_installations because of the $dirPrefix variable
	 * 		This is for the rewrite_rule and TestResponse() which uses AbsoluteUrl()
	 *
	 * @access public
	 * @static
	 * @since 1.7
	 *
	 * @param string $destination The root path of the installation
	 * @param array $config Current installation configuration
	 */
	public static function InstallHtaccess($destination){
		global $dirPrefix;
		//only proceed with save if we can test the results
		if( \gp\tool\RemoteGet::Test() === false ){
			return;
		}
		// only rewrite rules for IIS and Apache
		if( !\gp\admin\Settings\Permalinks::IIS() && !\gp\admin\Settings\Permalinks::Apache() ){
			return;
		}
		$GLOBALS['config']['homepath'] = false; //to prevent a warning from absoluteUrl()
		$file = $destination . '/.htaccess';
		$original_contents = false;
		if( file_exists($file) ){
			$original_contents = file_get_contents($file);
		}
		$contents = \gp\admin\Settings\Permalinks::Rewrite_Rules(true, $dirPrefix, $original_contents );
		if( $contents === false ){
			return;
		}
		$fp = @fopen($file, 'wb');
		if( $fp === false ){
			return;
		}
		@fwrite($fp, $contents);
		fclose($fp);
		@chmod($file, 0666);
		//return .htaccess to original state
		if( !\gp\admin\Settings\Permalinks::TestResponse() ){
			if( $original_contents === false ){
				unlink($file);
			}else{
				$fp = @fopen($file, 'wb');
				if( $fp !== false ){
					@fwrite($fp, $original_contents);
					fclose($fp);
				}
			}
		}
	}
	public static function Install_Link_Content($href, $label, $query='', $attr=''){
		$query	= str_replace('&', '&', $query);
		$href	= str_replace('&', '&', $href);
		if( !empty($query) ){
			$query = '?' . $query;
		}
		return '' . $label . ' ';
	}
	public static function AddCSs(){
		global $dataDir;
		echo '';
	}
}