<?php
class hook
{
	public $hookName = "";
	public $active = true;
	public $initialized = false;
	protected $devicelist;
	protected $propertyInitialized;

	// list of devices we are listening to
	function __construct()
	{
		logger(INFO, _("Initializing hook: ") . $this->hookName);
		//$this->installHooks();
		foreach ($this->devicelist as $ieeeAddress => $property)
		{
			$this->propertyInitialized[$ieeeAddress][$property] = false;
		}
		if (method_exists($this, "init"))
		{
			$this->init();
		}
	}

	function installHooks(&$indexDevices)
	{
		global $devices;
		$result = true;
		// assigne the function to the sensors devices
		if ($this->active === true)
		{
			foreach ($this->devicelist as $ieeeAddress => $property)
			{
				if (array_key_exists($ieeeAddress, $devices))
				{
					logger(DEBUG, _("Device: ") . $ieeeAddress, __FILE__ . ":" . __LINE__);
					if ($this->propertyInitialized[$ieeeAddress][$property] === false)
					{
						logger(DEBUG, _("Trying to store callback"), __FILE__ . ":" . __LINE__);
						if (array_key_exists("functions", $indexDevices[$ieeeAddress]->properties[$property]))
						{
							$indexDevices[$ieeeAddress]->properties[$property]["functions"][$this->hookName] = array($this,"callback");
							$this->propertyInitialized[$ieeeAddress][$property] = true;
							logger(DEBUG, sprintf(_("Property '%s' of %s is initialized with callback"), $property, $indexDevices[$ieeeAddress]->friendlyName), __FILE__ . ":" . __LINE__);

						}else
						{
							logger(WARNING, sprintf(_("Hook %s can not initialize Property '%s' of device %s"), $this->hookName, $property, $ieeeAddress), __FILE__ . ":" . __LINE__);
							$result = false;
						}
					}else
					{
						logger(DEBUG, _("Callback already installed"), __FILE__ . ":" . __LINE__);
					}
				}else
				{
					logger(ERROR, $ieeeAddress . (" does not exists"), __FILE__ . ":" . __LINE__);
					mkIndexes();
				}

			}
			//echo "result => "; var_dump($result);
			if ($result === true)
			{
				$this->initialized = true;
				logger(INFO, $this->hookName . _(" initialized"), __FILE__ . ":" . __LINE__);
				//var_dump($this);
			}
		}/*else
		{
			$this->initialized = true;
			logger(INFO, $this->hookName . _("hook is disabled"), __FILE__ . ":" . __LINE__);
		}*/
		//print(var_export($indexDevices[$ieeeAddress],true));
		//storeDB($devices,"debug.devices");
		return $result;
	}
}

?>