<?php
# Jisko: An open-source microblogging application
# Copyright (C) 2010 Rubén Díaz <outime@gmail.com>
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

define('TSMINUTE', 60);
define('TSHOUR', 3600);
define('TSHALFHOUR', 1800);
define('TSHOURANDHALF', TSHOUR+TSHALFHOUR);
define('TSDAY', 86400);
	
function showTimeAgo($timestamp) {
	$diff = time() - (int) $timestamp;
	if($diff <= 1) {
		return 'ahora mismo';
	} elseif ($diff < 60) {
		$string = "hace $diff segundos";
		return $string;
	} elseif ($diff < TSHOUR) {		
		$mdiff = round($diff / TSMINUTE);
		$string = "hace $mdiff minutos";
		return $string;
	} elseif (($diff / TSHOUR) >= 1 && ($diff / TSHOUR)  < 24) {		
		$mdiff = ($diff / TSHOUR);
		$half = round($mdiff) !== floor($mdiff);
		$floor = floor($mdiff);
		if($half) {		
			if($floor == 1)	
				// $string = __("about one hour and half ago");
				$string = "hace una hora";
			else
				// $string = sprintf(__("about %s hours and half ago"), $floor);
				$string = "hace $floor horas";
		} else {
			if($floor == 1)
				$string = "hace una hora";
			else
				// $string = sprintf(__("about %s hours ago"), $floor);
				$string = "hace $floor horas";
		}
		return $string;
	} elseif (($diff / TSDAY) >= 1 && ($diff / TSDAY) < 25) {		
		$mdiff = ($diff / TSDAY);
		$half = round($mdiff) !== floor($mdiff);
		$floor = floor($mdiff);
		if($half) {		
			if($floor == 1)	
				// $string = __("about one day and half ago");
				$string = "hace un día";
			else
				// $string = sprintf(__("about %s days and half ago"), $floor);
				$string = "hace $floor días";
		} else {
			if($floor == 1)
				$string = "hace un día";
			else
				// $string = sprintf(__("about %s days ago"), $floor);
				$string = "hace $floor días";
		}
		return $string;
	} else {
		$date = 'el '.date('d/m/Y', $timestamp).' a las '.date('H:i', $timestamp);
		return $date;
	}
}