/*
	Modified Javascript from twitter.com/javascripts/blogger.js
	** changed to automatically link URLs from received tweets.
	
	// modified by james <at> bandit.co.nz
*/
function twitterCallback3(obj) {
	var twitters = obj;
	var statusHTML = "";
	var username = "";
	for (var i=0; i<twitters.length; i++){
		username = twitters[i].user.screen_name
		tweet = autoLink(twitters[i].text);
		statusHTML += ('<li><span>'+tweet+'</span> <a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+relative_time(twitters[i].created_at)+'</a></li>')
	}
	document.getElementById('twitter_update_list').innerHTML = statusHTML;
}

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'; }
}

// by james <at> bandit.co.nz
// 07/05/08
// special thanks to nik <at> codetocustomer.com for the regex help
// and Alan <at> alanhogan.com for @twitter matching
function autoLink(what) {
	str = what; out = ""; url = ""; i = 0;
	do {
		url = str.match(/(((ht|f)tps?:\/\/)?([a-z\-]+\.)*[\-\w]+(\.[a-z]{2,4})+(\/[\w\_\-\?\=\&\.]*)*(?![a-z]))/i);
		if(url!=null) {
			// get href value
			href = url[0];
			if(href.substr(0,7)!="http://") href = "http://"+href;
		
			// where the match occured
			where = str.indexOf(url[0]);
		
			// add it to the output
			out += str.substr(0,where);
		
			// link it
			out += '<a href="'+href+'" target="_blank">'+url[0]+'</a>';
		
			// prepare str for next round
			str = str.substr((where+url[0].length));
		} else {
			out += str;
			str = "";
		}
	} while(str.length>0);
	return out.replace(/\B@([_a-z0-9]+)/ig,'<a href="http://twitter.com/$1">@$1</a>');
}