<?php

//Constants
define( "EOL", "\n");
define("Z2M", "zigbee2mqtt");
define("ON", 1);
define("OFF", 0);
define("AUTO", 0);
define("MANUAL", 1);
define( "DEBUG", 16);		// => 16

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
$hooksList = array();			// list of hooks to be included
$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
$logFile = "/var/log/moha.log";	// Path of log file
$logFh = null;					// filehandle of log file
$curlErr = 0;					// Number of errors returned by curl
$configDir = "./config";		// default config dir (production value is /etc/moha/)

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

function logger($level, $log, $notif = true)
{
	global $logFh, $logLevel, $notificationLevel;
	//echo "=====>>>> $level  => $logLevel => $notificationLevel" . EOL ;
	//echo $log .EOL;
	if ($level & $logLevel)
	{
		fwrite($logFh, "$level : $log" . EOL);
		print ("$level : $log" . EOL);
	}
	$test = $level & $notificationLevel;
	//echo "notif =>" .$notif . EOL;
	if (($test != 0) and ($notif === true))
	{
		if(notify("Moha\n" . $log) === false)
		{
			logger(INFO, _("Notification not sent"), false);
		}
	}
}
/*
logger(DEBUG, _("Require topics definition -> zigbee3mqtt"), false);
$topics["zigbee2mqtt"] = new topic;
require "topics_callbacks/zigbee2mqtt.php";

logger(DEBUG, _("Require topics definition -> pws2mqtt"), false);
$topics["pws2mqtt"] = new topic;
require "topics_callbacks/pws2mqtt.php";
*/
logger(DEBUG, _("gettext init"), false);
// gettext
bindtextdomain("moha", "./locale");
textdomain("moha");

logger(DEBUG, _("lauching init function"), false);


logger(DEBUG, _('assigning variable : $client'), false);
$client = new Mosquitto\Client();

// log levels
//define( "DEBUG", 16);		// => 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( "ALERT", 32);
define( "ALL", DEBUG | INFO | NOTICE | WARNING | ERROR | ALERT);
$logLevel = ALL;
$notificationLevel = WARNING | ERROR;

logger(DEBUG, _("requiring php modules"), false);
require "utils.php";
require "mqtt_functions.php";
require "events.php";
require "db_functions.php";

// topics definition
loadHooks("./topics_callbacks", $hooksList);
if (!empty($hooksList))
{
	foreach ($hooksList as $callback)
	{
		logger(INFO, _("Including ") . $callback, false);
		include $callback;
	}
}

logger(DEBUG, _("requiring config files -> devices_constants.php"), false);
//include predefined file witch define constants for devices
if (is_readable($configDir . "/" . "devices_constants.php"))
{
	$hooksList[] = $configDir . "/" . "devices_constants.php";
	//echo "hooklist"; print_r($hooksList); echo EOL;
	logger(INFO, sprintf(_("%s/devices_constants.define found, so it will be included :-)"), $configDir), false);
}else
{
	logger(WARNING, sprintf(_("%s/devices_constants.define not found, so not included :-)"), $configDir), false);
}

logger(DEBUG, _("Program start"), false);
// Program start
$client = new Mosquitto\Client();

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

$client->connect("192.168.1.253", 1883, 5);
/*while(!$connected)
{
	sleep (1);
}*/

logger(DEBUG, _("Subsribing to bridge"), false);
foreach($topics as $name => $topic)
{
	//echo $name;
	$topic->mid = $client->subscribe($name . "/#", 2);
	$mids[$topic->mid] = $name;
	$topic->status = false;
}

logger(DEBUG, _("Starting loop"), false);
$oneshot = false;
while (true)
{
	$client->loop();
	if ($dbInit == 2 and ! $included)
	{
		logger(DEBUG, _("Making hooks list"), false);
		getDevicesValues();
		loadHooks("./hooks", $hooksList);
		if (!empty($hooksList))
		{
			foreach ($hooksList as $hook)
			{
				logger(INFO, _("Including ") . $hook, false);
				include $hook;
			}
		}
	}elseif($dbInit == 2 and $included)
	{
		if ($oneshot === false)		//	execute once initialization finished
		{
			logger(DEBUG, _("Oneshot part of loop"), false);
			$oneshot = true;
			/*foreach($topics as $name => $topic)
			{
				//echo $name;

				$topic->mid = $client->subscribe($name . "/#", 2);
				$mids[$topic->mid] = $name;
				$topic->status = false;
			}*/
		}
		checkEvents();
	}
}

endMoha();

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

	if (! $logFh = fopen($logFile, "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 . "/" . $file . EOL;
				if (substr($file, -4) == ".php")
				{
					$hookList[] = $dir . "/" . $file;
				}
			}
		}
	}
	//print_r($hookList);
	$included = true;
}

function endMoha()
{
	global $topics, $nSubscribed ,$client, $logFh, $connected;
	$x = 0;
	if ($connected)
	{
		$mid = $client->unsubscribe("#");
		$client->disconnect();
		//echo $nSubscribed;0x00124b0022ebac5c
		while ($connected)
		{
			if ( $x++ <= 60)
			{

				fclose($logFh);
				exit (1);
			}
			$client->loop();
		}
	}
	fclose($logFh);
	exit(0);
}


?>