<?php

include_once dirname(__FILE__).'/common.php';

$request = new Request(320);
$logger = new Logger($request);
$logger->handler('DEBUG', 'new USSD request');
$ussdConfig = new UssdConfig($request->sc, $request->msisdn, $logger);
if ($ussdConfig->state != NULL) {
	$logger->handler('DEBUG', 'cannot proceed USSD request due to an error --> '.$ussdConfig->state);
	Utils::ussdResponse(Config::$FREE_FLOW_BREAK, $ussdConfig->message);	
}
$logger->handler('DEBUG', 'loading service config, serviceLink='.$ussdConfig->config->serviceLink.', mode='.$ussdConfig->config->mode);
if (($ussdConfig->config->mode == Config::$TEST_MODE) && !preg_match('/'.$request->msisdn.'/', $ussdConfig->config->whiteList)) {
	$logger->handler('DEBUG', 'the service is in the test mode and the msisdn is not allowed to access to it');
	Utils::ussdResponse(Config::$FREE_FLOW_BREAK, Config::$TEXT_TEST_MESSAGE);
}
$sessionManager = new SessionManager($request->sessionId);
$url = Utils::buildUrl($request, $ussdConfig, $sessionManager);
$logger->handler('DEBUG', 'app URL to launch *** '.$url);
$appResponse = Utils::readAppResponse(HttpUtils::getUrl($url, $logger), $logger, $ussdConfig->ussdCode);
$sessionManager->cleanOrContinue($appResponse->freeflow, $appResponse->next);
Utils::ussdResponse($appResponse->freeflow, $appResponse->ussdstring);

?>