//-----------------------
//ADD TWITTER TO THE DOM

// Call back function that gets triggered after a call to twitter
var twitterUpdates = '';
function twitterCallback(data) {
	var status = '';
	
	// Loop through the returned data set and create the twitter update
	for(var i = 0; i < data.length; i++) {
		status = data[i].text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\!])/g, function(url) {
			return '<a href="'+url+'">'+url+'</a>';
	    }).replace(/\B@([_a-z0-9]+)/ig, function(reply) {
	    	return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
	    });
		
		twitterUpdates += "<li><span class=\"tweet\">" + status + "</span> <span class=\"time\">" + relative_time(data[i].created_at) + "</span></li>\n";
	}
}

//create a relative time
function relative_time(time_value) {
	var values = time_value.split(" ");
	time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
	
	var parsed_date = Date.parse(time_value);
	var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
	var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
	delta = delta + (relative_to.getTimezoneOffset() * 60);

	if (delta < 60) {
		return 'less than a minute ago';
	} else if(delta < 120) {
		return 'about a minute ago';
	} else if(delta < (60*60)) {
		return (parseInt(delta / 60)).toString() + ' minutes ago';
	} else if(delta < (120*60)) {
		return 'about an hour ago';
	} else if(delta < (24*60*60)) {
		return 'about ' + (parseInt(delta / 3600)).toString() + ' hours ago';
	} else if(delta < (48*60*60)) {
		return '1 day ago';
	} else {
		return (parseInt(delta / 86400)).toString() + ' days ago';
	}
}

//place any generated HTML in the DOM
$(document).ready(function() {
	$("#twitterUpdates").append(twitterUpdates);
});