<?php
class request {
	
	private static $data_given = 0;
	private static $default_c;
	private static $default_m;
	private static $routes = array();
	
	public $controller_name;
	public $method_name;
	public $params = array();
	public $data;
	public $route;
	
	public function __construct($route = ''){
		$this->route = $route;
	}
	
	public function init(){
		try{
			
			$route = $this->route;
			
			$segments = $this->parse($route);
			
			$this->controller_name = array_shift($segments);
			$this->controller_name = (empty($this->controller_name))?self::$default_c:$this->controller_name;
			
			$this->method_name = array_shift($segments);
			$this->method_name = (empty($this->method_name))?self::$default_m:$this->method_name;
			
			$this->params = $segments;
			
			$controller_file = CONTS .DS. $this->controller_name.EXT;
			if(!file_exists($controller_file)) throw new Error(E404);
			require_once LIB .DS. 'controller'.EXT;
			require_once $controller_file;
			if(!class_exists($this->controller_name)) throw new Error(E404);
			$controller = new $this->controller_name;
			$controller->set_params($this->params);
			
			// LOAD MODEL
			if($controller->autoload_model){
				
			}
			// END LOAD MODEL
			
			if(get_parent_class($this->controller_name) != 'controller' and substr($this->method_name, 0, 1) == '_' and !method_exists($controller, $this->method_name)) throw new Error(E404);
			ob_start();
			call_user_method($this->method_name, $controller);
			throw new Correct(ob_get_clean());
		}catch(Error $e){
			$this->data = '<b>Error: </b>' . $e->getMessage();
		}catch(Correct $e){
			$this->data = $e->getMessage();
		}
	}
	
	public static function set($array){
		
		if(self::$data_given) return;
		
		self::$data_given = 1;
		
		if(!empty($array['default_c'])):
				self::$default_c = $array['default_c'];
				unset($array['default_c']);
		endif;
		
		if(!empty($array['default_m'])):
				self::$default_m = $array['default_m'];
				unset($array['default_m']);
		endif;
			
		if(empty(self::$default_c) or empty(self::$default_m)) show_error('Sättimata on default kontroller ja/või meetod');
		
		self::$routes = $array;
		
		return;
	}
	
	private function parse ($uri){
		
		$route = $uri;
		
		if(substr($route, 0, 1) == '/') $route = substr($route, 1, strlen($route) -1);
		if(substr($route, strlen($route) -1, strlen($route)) == '/') $route = substr($route, 0, strlen($route) -1);
		
		$uri = $route;
		
		$segments = explode('/', $uri);
		
		// START CUSTOM
		if(count(self::$routes) > 0){
			foreach(self::$routes as $route => $routed){
				if(count($segments) == count(explode('/', $route))){
					$custom_segments = explode('/', $route);
					$matched = array();
					
					foreach($custom_segments as $num => $custom_segment){
						$custom_segment = ($custom_segment == ':num')?'([0-9]+)':$custom_segment;
						$custom_segment = ($custom_segment == ':any')?'([a-z0-9_]+)':$custom_segment;
						$reg_exp = '/' . $custom_segment . '/i';
						
						
						
						if(preg_match($reg_exp, $segments[$num], $matches)){
							if(!empty($matches[1])) $matched[] = $matches[1];
						}else{
							break;
						}
						
						
					}
					
					preg_match_all('/(\$[0-9]+)/', $routed, $routed_matches);
					if(count($routed_matches[1]) == count($matched)){
						foreach($matched as $num => $match){
							$var = $num +1;
							$reg_exp = '/\$'. $var . '/';
							$routed = preg_replace($reg_exp, $match, $routed);
						}
					}else{
						$routed = '';
						continue;
					}
				}else{
					$routed = '';
					continue;
					
				}
			}
		}
		
		// END CUSTOM
		$uri = (!empty($routed))?$routed:$uri;
		
		return explode('/', $uri);
		
		
	}	
}
?>