<?php
/*
+--------------------------------------------------------------------------
|   Anwsion [#RELEASE_VERSION#]
|   ========================================
|   by Anwsion dev team
|   (c) 2011 - 2012 Anwsion Software
|   http://www.anwsion.com
|   ========================================
|   Support: zhengqiang@gmail.com
|   
+---------------------------------------------------------------------------
*/

class TPL
{
	public static $template_ext = '.tpl.htm';
	public static $view;
	public static $output_matchs;
	
	public static $template_path;
	
	public static $in_app = false;
	
	public static function init()
	{
		if (!is_object(self::$view))
		{			
			self::$template_path = realpath(ROOT_PATH . 'views/');
			
			self::$view = new Savant3(
				array(
					'template_path' => array(self::$template_path),
					//'filters' => array('Savant3_Filter_trimwhitespace', 'filter')
				)
			);
			
			if (file_exists(AWS_PATH . 'config.inc.php') AND class_exists('AWS_APP', false))
			{
				self::$in_app = true;
			}
		}
		
		return self::$view;
	}
	
	public static function output($template_filename, $display = true)
	{
		self::init();
		
		if (!strstr($template_filename, self::$template_ext))
		{
			$template_filename .= self::$template_ext;
		}
		
		$display_template_filename = 'default/' . $template_filename;
		
		if (self::$in_app)
		{
			if (get_setting('ui_style') != 'default')
			{
				$custom_template_filename =  get_setting('ui_style') . '/' . $template_filename;
					
				if (file_exists(self::$template_path . '/' . $custom_template_filename))
				{
					$display_template_filename =  $custom_template_filename;
				}
			}
			
			self::assign('template_name', get_setting('ui_style'));
			
			if (!self::$view->_meta_keywords)
			{
				self::set_meta('keywords', get_setting('keywords'));
			}
			
			if (!self::$view->_meta_description)
			{
				self::set_meta('description', get_setting('description'));
			}
		}
		else
		{
			self::assign('template_name', 'default');
		}
		
		if (self::$in_app)
		{			
			if ($plugins = AWS_APP::plugins()->parse($_GET['app'], $_GET['c'], $_GET['act'], str_replace(self::$template_ext, '', $template_filename)))
			{
				foreach ($plugins AS $plugin_file)
				{
					include($plugin_file);
				}
			}
		}
		
		$output = self::$view->getOutput($display_template_filename);

		if (self::$in_app)
		{
			$template_dirs = explode('/', $template_filename);
			
			if ($template_dirs[0] != 'admin')
			{
				$output = H::sensitive_words($output);
			}
			
			if (get_setting('url_rewrite_enable') != 'Y' OR $template_dirs[0] == 'admin')
			{
				$output = preg_replace('/(href|action)=([\"|\'])(?!http)(?!javascript)(?![\/|\#])(?!\.\/)([^\"\']+)([\"|\'])/is','\1=\2' . get_setting('base_url') . '/' . G_INDEX_SCRIPT . '\3\4', $output);
			}
		
			if (($request_routes = get_request_route()) && ($template_dirs[0] != 'admin') && get_setting('url_rewrite_enable') == 'Y')
			{
				foreach ($request_routes as $key => $val)
				{
					$output = preg_replace("/href=[\"|']" . $val[0] . "[\#]/", "href=\"" . $val[1] . "#", $output);
					$output = preg_replace("/href=[\"|']" . $val[0] . "[\"|']/", "href=\"" . $val[1] . "\"", $output);
				}
			}
			
			if (AWS_APP::config()->get('system')->debug)
			{
				$output .= "\r\n<!-- Template End: " . $display_template_filename . " -->\r\n";
			}
		}
		
		if ($display)
		{
			echo $output;
		}
		else
		{
			return $output;	
		}
	}
	
	public static function set_meta($tag, $value)
	{
		self::init();
		
		self::assign('_meta_' . $tag, $value);
	}
	
	public static function assign($name, $value)
	{
		self::init();
		
		self::$view->$name = $value;
	}
	
	public static function val($name)
	{
		self::init();
		
		return self::$view->$name;
	}
	
	public static function import_css($path, $apply_style = true)
	{
		self::init();
		
		if (is_array($path))
		{
			foreach ($path AS $key => $val)
			{
				if (substr($val, 0, 4) != 'http')
				{
					$val = G_STATIC_URL . '/' . $val;
				}
				
				if ($apply_style)
				{
					self::$view->_import_css_files[] = str_replace('css/', 'css/' . get_setting('ui_style') . '/', $val);
				}
				else
				{
					self::$view->_import_css_files[] = $val;
				}
			}
		}
		else
		{
			if (substr($path, 0, 4) != 'http')
			{
				$path = G_STATIC_URL . '/' . $path;
			}
			
			if ($apply_style)
			{
				self::$view->_import_css_files[] = str_replace('css/', 'css/' . get_setting('ui_style') . '/', $path);
			}
			else
			{
				self::$view->_import_css_files[] = $path;
			}
		}
	}
	
	public static function import_js($path)
	{
		self::init();
		
		if (is_array($path))
		{			
			foreach ($path AS $key => $val)
			{
				if (substr($val, 0, 4) != 'http')
				{
					$val = G_STATIC_URL . '/' . $val;
				}
				
				self::$view->_import_js_files[] = $val;
			}
		}
		else
		{
			if (substr($path, 0, 4) != 'http')
			{
				$path = G_STATIC_URL . '/' . $path;
			}
			
			self::$view->_import_js_files[] = $path;
		}
	}
	
	public static function import_clean($type = false)
	{
		self::init();
		
		if ($type == 'js' OR !$type)
		{
			self::$view->_import_js_files = null;
		}
		
		if ($type == 'css' OR !$type)
		{
			self::$view->_import_css_files = null;
		}
	}
	
	public static function fetch($template_filename)
	{
		self::init();
		
		if (self::$in_app)
		{
			if (get_setting('ui_style') != 'default')
			{
				$custom_template_file = self::$template_path . '/' . get_setting('ui_style') . '/' . $template_filename . self::$template_ext;
			
				if (file_exists($custom_template_file))
				{
					return file_get_contents($custom_template_file);
				}
			}
		}
		
		return file_get_contents(self::$template_path . '/default/' . $template_filename . self::$template_ext);
	}
	
	public static function is_output($output_filename, $template_filename)
	{
		if (!isset(self::$output_matchs[md5($template_filename)]))
		{			
			preg_match_all("/TPL::output\([url].+[/url]['|\"]\)/i", self::fetch($template_filename), $matchs);
			
			self::$output_matchs[md5($template_filename)] = $matchs[1];
		}
		
		if (is_array($output_filename))
		{
			foreach($output_filename as $key => $val)
			{
				if (!in_array($val, self::$output_matchs[md5($template_filename)]))
				{
					return false;
				}
			}
			
			return true;
		}
		else if (in_array($output_filename, self::$output_matchs[md5($template_filename)]))
		{
			return true;
		}
		
		return false;
	}
}