<?php

function checkEvents()
{
	global $events, $indexDevices, $devices;
	//echo "===========> checking events" . EOL;
	foreach ($events as $key => $event)
	{
		if (!empty($event->dateTimeEvent) and $event->dateTimeEvent <= now())
		{
				echo "---->sending command set " . $event->param . "=>" . $event->value . " to " . $event->device->friendlyName . EOL;
				publish($event->device, array($event->param => $event->value), "set", $key);
				//$event->published = now();
				//echo "#################################\nUnsetting event $key \n###########################" . EOL;
				unset($events[$key]);
		}
	}
	//print_r($events);
}

function setDelay(&$device, $delay, $unit="sec", $param, $value, $replace=false)
{
	global $events;
	$datetime = new dateTime();
	//print_r($datetime);
	switch($unit)
	{
		case "second":
			$unit = "S";
			break;
		case "minute":
			$unit = "M";
			break;
		case "hour":
			$unit = "H";
			break;
		case "day":
			$unit = "D";
			break;
		case "week":
			$unit = "W";
			break;
		case "month":
			$unit = "M";
			break;
		case "year":
			$unit = "Y";
			break;
	}
	$datetime->add(new DateInterval('PT'. $delay . $unit));
	//print_r($device);
	if ($replace)
	{
		$eventKey = searchEvent($device, $param, $value);
		if ($eventKey !== false) deleteEvent($eventKey);
	}
	//$dt = $datetime->format("Y-m-d\TH:i:s\Z");
	$events[] = new event;
	$key = key($events);
	$events[$key]->dateTimeEvent = $datetime;
	$events[$key]->ieeeAddress = $device->ieeeAddress;
	$events[$key]->topic = $device->topic;
	$events[$key]->param = $param;
	$events[$key]->value = $value;
	$events[$key]->device = & $device;
	echo "new event";
}


function searchEvent($device, $param , $value)
{
	global $events;
	echo "searching event" . EOL;
	//$keys = array_keys($events, $device->ieeeAddress);
	//echo "ieee_address =>" . $device->ieeeAddress . EOL;
	//print_r($events);
	foreach($events as $key => $event)
	{
		//echo "Event : $event => $value" . EOL;
		//echo "===>";print_r($event); echo EOL;
		if($event->topic == $device->topic and $event->param == $param and $event->value == $value and $event->ieeeAddress == $device->ieeeAddress)
		{
			//echo "==============================\nfound " . $key . "\n=================================" . EOL;
			return $key;
		}
	}
	return false;
}

function deleteEvent($eventKey)
{
	global $events;
	unset ($events[$eventKey]);
	//echo "delete event " . $eventKey . EOL;
}


?>