<?php if (!defined('BASEPATH')) exit('No direct script access allowed');

/**
 * Tracking library
 *
 * Library with utilities to manage statistics
 */

class Tracking_lib
{
	private $CI;
	private $tracking;

  	public function __construct()
	{
		$this->CI =& get_instance();

		$clientId = $this->CI->Appconfig->get('client_id');

		// some old beta-3.0.0 time client IDs are wrong so clean them up
		// this statement should be removed eventually
		if(!empty($clientId) && strlen($clientId) < 30)
		{
			$clientId = NULL;
		}

		/**
		 * Setup the class
		 * optional
		 */
		$options = array(
			'client_create_random_id' => TRUE, // create a random client id when the class can't fetch the current cliend id or none is provided by "client_id"
			'client_fallback_id' => 555, // fallback client id when cid was not found and random client id is off
			'client_id' => $clientId, // override client id
			'user_id' => NULL,  // determine current user id
			// adapter options
			'adapter' => array(
				'async' => TRUE, // requests to google are async - don't wait for google server response
				'ssl' => FALSE // use ssl connection to google server
			)
		);

		$this->tracking = new \Racecore\GATracking\GATracking('UA-82359828-2', $options);

		if(empty($clientId))
		{
			$clientId = $this->tracking->getClientId();

			$this->CI->Appconfig->batch_save(array('client_id' => $clientId));
		}
	}

	/*
	 * Track Event function
	 */
	public function track_event($category, $action, $label = NULL, $value = NULL)
	{
		try
		{
			/** @var Tracking/Event $event */
			$event = $this->tracking->createTracking('Event');
			$event->setAsNonInteractionHit(TRUE);
			$event->setEventCategory($category);
			$event->setEventAction($action);
			$event->setEventLabel($label);
			$event->setEventValue($value);

			return $this->tracking->sendTracking($event);
		}
		catch(Exception $e)
		{
			error_log($e->getMessage());
		}
	}

	/*
	 * Track Page function
	 */
	public function track_page($path, $title, $description = ' ')
	{
		try
		{
			/** @var Tracking/Factory $event */
			$event = $this->tracking->createTracking('Factory', array(
				'an' => 'OSPOS',
				'av' => $this->CI->config->item('application_version') . ' - ' . substr($this->CI->config->item('commit_sha1'), 5, 12),
				'ul' => current_language_code(),
				'dp' => $path,
				'dt' => $title,
				'cd' => $description
			));

			return $this->tracking->sendTracking($event);
		}
		catch(Exception $e)
		{
			error_log($e->getMessage());
		}
	}
}

?>