/*
 * JavaScript Pretty Date
 * Copyright (c) 2008 John Resig (jquery.com)
 * Licensed under the MIT license.
 */

// Takes an ISO time and returns a string representing how
// long ago the date represents.
function prettyDate(time){

	var date = new Date((time || "").replace(/-/g,"/").replace(/[TZ]/g," ")),
		diff = (((new Date()).getTime() - date.getTime()) / 1000),
		day_diff = Math.floor(diff / 86400);

	if ( isNaN(day_diff) || day_diff < 0)
		return;
			
	return day_diff == 0 && (
			diff < 60 && "ahora mismo" ||
			diff < 120 && "hace un minuto" ||
			diff < 3600 && "hace " + Math.floor( diff / 60 ) + " minutos" ||
			diff < 7200 && "hace una hora" ||
			diff < 86400 && "hace " + Math.floor( diff / 3600 ) + " horas") ||
		day_diff == 1 && "Ayer" ||
		day_diff < 7 && "hace " + day_diff + " días" ||
		day_diff < 31 && "hace " + Math.floor( day_diff / 7 ) + " semanas" ||
		day_diff < 335 && "hace " + Math.floor( day_diff / 30 ) + " meses" ||
		"hace más de un año";
}


//Coje la fecha y le da la vuelta
function spanishDate(date){
	d = $.trim(date).split('-');
	return d[2]+'-'+d[1]+'-'+d[0];
}

// If jQuery is included in the page, adds a jQuery plugin to handle it as well
if (typeof jQuery != "undefined") {
	//la funcion prettyDate
	jQuery.fn.prettyDate = function(){
		return this.each(function(){
			var date = prettyDate(this.title);
			if (date) 
				jQuery(this).text(date);
		});
	};
	//y el spanish date
	jQuery.fn.spanishDate = function(){
		return this.each(function(){
			var date = spanishDate(jQuery(this).text());
			if (date) jQuery(this).text(date);
		});
	};
}

//y hacemos todos los .prettyDate y .spanishDate
$(function(){
	$(".prettyDate").prettyDate()
	$(".spanishDate").spanishDate()
});