<?php

class GenadIf {
	
	private $if_nam;
	private $interface;
	private $moc_desc_data;
	
	public function GenadIf($app) {
		//GenadLoader::loadInterface($app);
		$this->if_nam = Config::getInstance()->requireConfig("$app::InterfaceClass");
		//$am = new AlarmManagement();
		$class = new ReflectionClass($this->if_nam);
		$this->interface = $class->newInstance();
		$if_func = new ReflectionMethod($this->if_nam, "getMocDescList");
		$moc_desc_xml = $if_func->invoke($this->interface, null);
		
		// parse moc desr xml
		$this->moc_desc_data = array();
		$instanceExtractor = new XmlExtractor();
		$instanceExtractor->openInput($moc_desc_xml);
		$instanceExtractor->extractElement(InputExtractor::EC_BEG, $elem, $value, $attrs);
		if ($elem != "ManagedObjectClassDescriptorList") throw new Exception("Unexpected xml tag: ".$elem);
		$ctl1 = InputExtractor::EC_BEG;
		while (($ctl1 = $instanceExtractor->extractElement($ctl1, $elem, $value, $attrs)) == InputExtractor::EC_CTN) {
			$id = $attrs["id"];
			$ctl2 = InputExtractor::EC_BEG;
			while (($ctl2 = $instanceExtractor->extractElement($ctl2, $elem, $value, $attrs)) == InputExtractor::EC_CTN) {
				if ($elem == "entity") $name = $value;
				elseif ($elem == "props") $props = new ClassProperties($value);
				else throw new Exception("Unexpected xml tag: ".$elem);
			}
			$this->moc_desc_data[$name] = array("id" => $id, "props" => $props);
		}
	}

	public function getAttrDescList($classId) {
		$if_func = new ReflectionMethod($this->if_nam, "getAttrDescList");
		$dom = new DOMDocument;
		$dom->Loadxml($if_func->invoke($this->interface, $classId));
		return $dom;
	}
	
	public function getInstanceList($classId, $filter = null) {
		$if_func = new ReflectionMethod($this->if_nam, "getInstanceList");
		$dom = new DOMDocument;
		$dom->Loadxml($if_func->invoke($this->interface, $classId, $filter));
		return $dom;
	}
/*	
	public function getClassDescriptorList() {
		$if_func = new ReflectionMethod($this->if_nam, "getMocDescList");
		return $if_func->invoke($this->interface, null);
	}
*/
	public function getClassDescriptor($id) {
		require_once 'AlarmManagement/AlarmManagement.php';
		$if_func = new ReflectionMethod($this->if_nam, "getAttrDescList");
		$dom = new DOMDocument;
		$dom->Loadxml($if_func->invoke($this->interface, $id));
		return $dom;
	}
	
	public function getInstance($moc, $id) {
		$if_func = new ReflectionMethod($this->if_nam, "getInstance");
		$props = $this->moc_desc_data[$moc]["props"];
		$moc_id = $this->moc_desc_data[$moc]["id"];
		if(!isset($props)) throw new Exception("Undefined MOC: ".$moc);
		return $if_func->invoke($this->interface, $moc_id, $id);
	}

	public function performSet($moc_id, $xml) {
		$if_func = new ReflectionMethod($this->if_nam, "setInstance");
		$err = $if_func->invoke($this->interface, $moc_id, $xml);
		return $err;
	}

	public function performCreate($moc_id, $xml, $id) {
		$if_func = new ReflectionMethod($this->if_nam, "createInstance");
		$err = $if_func->invoke($this->interface, $moc_id, $xml, $id);
		return $err;
	}

	public function performDelete($moc_id, $id, $mod) {
		$if_func = new ReflectionMethod($this->if_nam, "deleteInstance");
		$err = $if_func->invoke($this->interface, $moc_id, $id, $mod);
		return $err;
	}
}