<?php


require_once("/usr/local/www_root/mopsi_dev/routes/routeHandler.class.php");

mb_internal_encoding("UTF-8");

$paramJson = $_POST['param'];
if ($paramJson == "") {
	$paramJson = $_GET['param'];
}
	
$server = new Server();
$result=$server->processJsonRequest($paramJson);
echo json_encode($result);

class Server {
	
	public function processJsonRequest($stringParam) {
		
		$paramObj = json_decode($stringParam, true);
		
		return $this -> processRequest($paramObj, $silent);
	}

	public function processRequest($paramObj) {
		$type = $paramObj['request_type'];
		
		switch($type) {
			case 'add_numbers' :
				$response = $this -> addNumbers($paramObj);
				break;
			case 'get_route_length' :
				$response = $this -> getRouteLength($paramObj);
				break;
			case 'segment_route' :
				$response= $this->segmentRoute($paramObj);
				break;
			default :
				$response = array('server' => 'Unknown operation!');
				break;
		}

		return $response;
	}
	
	
	public function addNumbers($paramObj) {
		$a=$paramObj["a"];
		$b=$paramObj["b"];
		return  array('server' => ($a+$b));
	}
	
	public function getRouteLength($paramObj) {
		$route=$paramObj["route"];
		$handle = new RouteHandler();
		$length=$handle->getRouteLength($route);
		return  array('server' => $length);
	}
	
	public function segmentRoute($paramObj) {
		$route=$paramObj["route"];
		$routeStr="";
		
		// mopsi server uses reverse...
		for($i=count($route)-1;$i>=0;$i--){
			$routeStr.=$route[$i]["lat"]." ";
			$routeStr.=$route[$i]["lng"]." ";
			$routeStr.=floor($route[$i]["time"]/1000)."\n";
		}
		
		$dir="/home/tko/mopsi/routes/lamad_tmp/";
		$file=$dir."route.txt";
		$fw         = @fopen($file, "w");
		if ($fw) {
			fwrite($fw, $routeStr);
		}
		fclose($fw);
		
		$handle = new RouteHandler();
		$result=$handle->segmentRouteRemotely($file,0);
		
		$resultArray=array();
		if($result!=""){
			$lines=explode("\n", $result);
			$path=array();
			for($i=1;$i<count($lines);$i++){
				$line=$lines[$i];
				$comp=explode(" ", $line);
				if($comp[0]=="*"){
					$entry=array();
					$entry["type"]=$comp[count($comp)-1];
					$entry["points"]=$path;
					array_push($resultArray,$entry);
					$path=array();
				}else if(count($comp)>1){
					$point=array();
					$point["lat"]=(float)($comp[0]);
					$point["lng"]=(float)($comp[1]);
					$point["time"]=$comp[2];
					array_push($path,$point);
				}
			}
		}
		
		// format result here
		return  array('server' => $resultArray);
	}
	
}

?>