<?php

//Constants
define( "EOL", "\n");
define("Z2M", "zigbee2mqtt");
define("ON", 1);
define("OFF", 0);
define("AUTO", 0);
define("MANUAL", 1);

declare(ticks = 1);

$listProperties = array("powerSource" => "batterie");
$listPropertiesKeys = array("property");


require "class/main.php";

//global variables
$topics = array();				// list of topics
$mids = array();				// list of message IDs
$devices = array();				// array of device objetcs
$indexDevices = array();		// index devices by ieee_address
$hooks = array();				// array of hooks
$notificationMethods = array();	// array of notification methods objects
$events = array();				// list of event objects
$changed = array();				// list of changed devices
$dbInit = false;				// flag to indicate that desvices db is initialized
$connected = false;				// connected to MQTT server
$included = false;				// flag indicate scripts are loaded
$nSubscribed = 0;				// Number of topics subsribed
$logFh = null;					// filehandle of log file
$curlErr = 0;					// Number of errors returned by curl

// topics definition
$topics["zigbee2mqtt"] = new topic;

// gettext
bindtextdomain("moha", "./locale");
textdomain("moha");


if (!init()) exit(1);

$client = new Mosquitto\Client();

// log levels
define( "DEBUG", $client::LOG_DEBUG);		// => 16
define( "INFO", $client::LOG_INFO);			// => 1
define( "NOTICE", $client::LOG_NOTICE);		// => 2
define( "WARNING", $client::LOG_WARNING);	// => 4
define( "ERROR", $client::LOG_ERR);			// => 8
define( "ALL", DEBUG | INFO | NOTICE | WARNING | ERROR);
$logLevel = ALL;
$notificationLevel = WARNING | ERROR;


require "utils.php";
require "mqtt_functions.php";
require "events.php";
require "db_functions.php";
require "class/availability.php";

// defining callback functions
$client->onConnect('connectResponse');
$client->onDisconnect('disconnectResponse');
$client->onSubscribe('subscribeResponse');
$client->onUnsubscribe('unsubscribeResponse');
$client->onMessage('message');
$client->onLog('logger');
$client->onPublish('publishResponse');


//signal handling
pcntl_signal(SIGTERM, 'signalHandler');// Termination ('kill' was called)
pcntl_signal(SIGHUP, 'signalHandler'); // Terminal log-out
pcntl_signal(SIGINT, 'signalHandler');

// Program start
$client->connect("192.168.1.253", 1883, 5);
foreach($topics as $name => $topic)
{
	//echo $name;
	$topic->mid = $client->subscribe($name . "/#", 2);
	$mids[$topic->mid] = $name;
	$topic->status = false;
}
$oneshot = false;
while (true)
{
	$client->loop();
	if ($dbInit == 2 and ! $included)
	{
		$hooksList = array();
		loadHooks("./hooks", $hooksList);
		//print_r($hooksList);
		if (!empty($hooksList))
		{
			foreach ($hooksList as $hook)
			{
				echo "Including $hook" . EOL;
				include $hook;
			}
		}
	}elseif($dbInit == 2 and $included)
	{
		if ($oneshot === false)		//	execute once initialization finished
		{
			$oneshot = true;
		}
		checkEvents();
	}
}

endMoha();

function init()
{
	global $logFh, $client;
	date_default_timezone_set('Europe/Paris');

	if (! $logFh = fopen("moha.log", "w") )
	{
		echo _("error opening log file");
		return false;
	}
	return true;
}

function loadHooks($dir, &$hookList)
{
	global $included;
	$files = scandir($dir);
	//print_r($files);
	foreach ($files as $file)
	{
		//echo "=====> $file" . EOL;

		if ($file != "." and $file != "..")
		{
			//echo "not . or .." . EOL;echo strpos($file, ".php", -4) . EOL;
			if (is_dir($dir . "/" . $file))
			{
				//echo "directory : " . $dir . '/' . $file . EOL;
				loadHooks($dir . '/' . $file, $hookList);
			}elseif (strpos($file, ".php", -4) !== false)
			{
				//echo "file : " . $dir . "/" . $file . EOL;
				$hookList[] = $dir . "/" . $file;
			}
		}
	}
	//print_r($hookList);
	$included = true;
}


function endMoha()
{
	global $topics, $nSubscribed ,$client, $logFh, $connected;
	$x = 0;
	$mid = $client->unsubscribe("#");

	while ($connected)
	{
		//echo $nSubscribed;0x00124b0022ebac5c
		if ( $x++ > 60)
		{
			$client->disconnect();
			fclose($logFh);
			exit (1);
		}
		$client->loop();
	}
	fclose($logFh);
	exit(0);
}


?>