<?php namespace Filters;

require_once("../vendor/autoload.php");

function timeago() {
	return new \Twig\TwigFilter('timeago', function ($ago, $now) {

		$time = strtotime($now) - strtotime($ago); 

		$units = array (
			31536000 => 'year',
			2592000 => 'month',
			604800 => 'week',
			86400 => 'day',
			3600 => 'hour',
			60 => 'minute',
			1 => 'second'
		);

		foreach ($units as $unit => $val) {
			if ($time < $unit) continue;
			$numberOfUnits = floor($time / $unit);
			return ($val == 'second')? 'a few seconds ago' : 
				(($numberOfUnits > 1) ? $numberOfUnits : 'a')
				.' '.$val.(($numberOfUnits > 1) ? 's' : '').' ago';
		}

	});	
}

function isof() {
	return new \Twig\TwigFilter('isof', function ($online, $total) {
		if($online == $total) return "all";
		elseif($online == 0) return "none";
		else return "some";
	});
}