<?php
////logger(DEBUG, _("Including utils.php"), __FILE__ . ":" . __LINE__);

/*function logger($level, $log, $pos = "")
{
	global $logFh, $logLevel, $notificationLevel, $logLevels;
	$logString = $logLevels[$level] . " " ;
	if ($pos !== false)
	{
		$logString .= $pos;
	}
	$logString .= " - " . $log;
	if ($level & $logLevel)
	{
		fwrite($logFh, date("c") . ' ' . $logString . EOL);
		print ("MOHA-" . $logString . EOL);
	}
}*/

function checkTopicsAvailability()
{
    global$topics;
    foreach($topics as $topicName => $topic)
    {
        if ($topic->status == 1)
        {
            //logger(DEBUG, "Topic is :" . $topicName . " and time is " . time() . " lastSeen is " . $topic->lastSeen, __FILE__ . ":" . __LINE__ );
            if ((time() - $topic->lastSeen > $topic->timeOut*60) and ($topic->notificationSent == false))
            {
                if (logger(ALERT, $topicName . _(" is not available"), __FILE__ . ":" . __LINE__) == false);
                {
					$topic->notificationSent = true;
					//system("systemctl restart ")
				}
            }
        }
    }
}

function testActionneurs(array $actionneurs)  //return 0 for no actionneurs and 1 if one actionneur is on
{
	global $indexDevices;
	$r = 0;
	foreach ($actionneurs as $device)
	{
		logger(DEBUG, _("device: ") . var_dump($device), __FILE__ . ":" . __LINE__ );
		if (array_key_exists($device[0], $indexDevices))
		{
			if (array_key_exists($device[1], $indexDevices[$device[0]]->properties))
			{
				$s = ($indexDevices[$device[0]]->properties[$device[1]]["value"] == $device[2]);
				logger(DEBUG, _("testActionneurs : result is ") . bool2string($indexDevices[$device[0]]->friendlyName) . "=>" . bool2string($s), __FILE__ . ":" . __LINE__ );
				$r |= $s;
			}else
			{
				logger(ERROR, _("no property : ") . $device[1] . bool2string($r), __FILE__ . ":" . __LINE__ );
			}
		}else
		{
			logger(ERROR, _("no device : ") . $device[0] . bool2string($r), __FILE__ . ":" . __LINE__ );
		}
	}
	logger(DEBUG, _("testActionneurs : result is ") . bool2string($r), __FILE__ . ":" . __LINE__ );

	return $r;
}

function htmlGetFriendlyNames($ieeeAddress = '')
{
	$url = "HTTP://localhost:1025/friendlyname";
	$ch = curl_init($url);
	if ($ieeeAddress !== '')
	{
		$url .= "&ieeeAddress=" . $ieeeAddress;
	}
	$ch = curl_init($url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_HEADER, 0);
	$fn = curl_exec($ch);
	curl_close($ch);
	if (($start = strpos($fn, "{")) === false)
	{
		if (($start = strpos($fn, "[")) === false)
		{
			print "Erreur : fn = " . $fn .  __FILE__ . ":" . __LINE__ . EOLH;
			return false;
		}else
		{
			$end = strpos($fn, "]");
		}
	}else
	{
		$end = strpos($fn, "}");
	}

	$length = $end - $start + 1;
	$fn = substr($fn, $start, $length);
	return jsonDecode($fn);
}

function bool2string($var)
{
	if ($var === false)
	{
		return "false";
	}elseif($var === true)
	{
		return "true";
	}elseif ($var === null)
	{
		return "null";
	}else
	{
		return $var;
	}
}

function jsonDecode($json)
{
	//print "==========>" . print_r($json, true) . EOLH;

	$jsonArray = array();
	$json = trim($json, " {[]}");
	$tmp = explode(",", $json);
	foreach($tmp as $value)
	{
		$tmp2 = explode (":" , $value);
		$jsonArray[trim($tmp2[0], '"')] = trim($tmp2[1], '"');
	}
	return $jsonArray;
}

function validateDate($date, $format = 'Y-m-d')
{
    $d = DateTime::createFromFormat($format, $date);
    return $d && $d->format($format) == $date;
}

function now()
{
	$now = new datetime("now");
	return $now;
}

function farenheit2celsius($value)
{
	return round((((float)$value - 32) / 1.8),2);
}

function mph2kmh($value)
{
	return round(((float)$value * 1.60934),2);
}

function millibars($value)
{
	return round(((float)$value * 33.86),2);
}

function mktopic($device)
{
	return $device->topic . "/" . $device->friendlyName;
}

function getDevice($topic, $fn)
{
	global $topics, $devices;
	if (array_key_exists($topic, $topics))
	{
		$var = $devices[$topic];
		$path = explode("/", $fn);
		foreach($path as $tmp)
		{
			if (array_key_exists($tmp, $var))
			{
				$var = $var[$tmp];
			}else
			{
				////logger(ERROR, sprintf(_("level %s of %s do not exists in %s"), $tmp, $fn, $topic), __FILE__ . ":" . __LINE__ );
				return false;
			}
		}
		////logger(DEBUG, sprintf(_("returning a value")), __FILE__ . ":" . __LINE__ );
		return $var["device"];
	}else
	{
		////logger(ERROR, sprintf(_("Topic %s do not exists"), $topic), __FILE__ . ":" . __LINE__ );
		return false;
	}
}


function getValue($ieeeAddress, $property)
{
	global $indexDevices;
	if (array_key_exists($property, $indexDevices[$ieeeAddress]->properties))
	{
		$r = $indexDevices[$ieeeAddress]->properties[$property]["value"];
		//logger(DEBUG, "device: " . $indexDevices[$ieeeAddress]->friendlyName . " value: " . $r, __FILE__ . ":" . __LINE__ );
	}else
	{
		$r = false;
		//logger(ERROR, "device: " . $indexDevices[$ieeeAddress]->friendlyName . "property " . $property . "does not exists", __FILE__ . ":" . __LINE__ );
	}
	return $r;
}

function setValue($fn, $property, $value)
{
	global $indexDevices;
	$indexDevices[$ieeeAddress]->properties[$property]["value"] = $value;
}

function aliases($fn, $property)
{
	global $aliases;
	logger(DEBUG, "Function aliases " . $fn . "/" . $property, __FILE__ . ":" . __LINE__);
	if (array_key_exists($fn . "/" . $property, $aliases))
	{
		logger(DEBUG, "exists " . $fn . "/" . $property, __FILE__ . ":" . __LINE__);
		return "/" . $aliases[$fn . "/" . $property];
	}else
	{
		return "/" . _($property);
	}


}

//logger(DEBUG, _("signal handling"), __FILE__ . ":" . __LINE__, false);
//signal handling
function signalHandler($signal)
{
	endMoha();
}
pcntl_signal(SIGTERM, 'signalHandler');// Termination ('kill' was called)
pcntl_signal(SIGHUP, 'signalHandler'); // Terminal log-out
pcntl_signal(SIGINT, 'signalHandler');
?>