$(document).ready(function() {
	
	$('#projects li').each(function() {
		$(this).find('.image img').css({opacity: .5});
	}).hover(function() {
		$(this).find('.image img').animate({opacity: 1}, 200);
	}, function() {
		$(this).find('.image img').animate({opacity: .5}, 200);
	});
	
	$('.smartBox').smartbox();
	
	$('#simpleContact').simpleContact('http://benjaminplum.com/site/ajax/simpleContact.php');
	
	$('#lastTweet').lastTweet('benplum');
	
});


/* 
 * SmartBlur Plugin 1.0
 * Focus-clear and blur-restore for input fields and textareas
 *
 * @author Ben Plum <bplum@gmail.com>
 * @version 1.0
 *
 * Copyright (c) 2009 Ben Plum MIT License
 *
 * UPDATE 10/31/09: Added textarea functionality
 */

(function($){
	$.fn.smartBlur = function()
	{	
		//clear field on focus
		$(this).focus(function(){
			if($(this).val() == $(this).attr('defaultValue'))
	        	$(this).val('');
		});
		//restore on blur
		$(this).blur(function(){
			if($(this).val() == '')
        		$(this).val($(this).attr('defaultValue'));
		});
	}
})(jQuery);


/* 
 * LastTweet Plugin 1.0
 * Displays the last tweet from your Twitter account
 *
 * @author Ben Plum <bplum@gmail.com>
 * @version 1.0
 *
 * Copyright (c) 2009 Ben Plum MIT License
 *
 */

(function($){
	$.fn.lastTweet = function(userName)
	{	
		var targetDiv = this;
		
		$.getJSON("http://twitter.com/status/user_timeline/" + userName + ".json?count=1&callback=?", function(data){ 
			$.each(data, function(i, item) { 
				targetDiv.html("<p>" + checkForLink(item.text) + "</p> <span>" + calcRelativeTime(item.created_at) + " via " + item.source + "</span>"); 
			}); 
		});

		function checkForLink(text)
		{
			return text.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(t) {
				return t.link(t);
			});
		};

		function calcRelativeTime(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, 10);
			delta = delta + (relative_to.getTimezoneOffset() * 60);
			  
			var r = '';
			if (delta < 60) {
				r = 'a minute ago';
			} else if(delta < 120) {
				r = 'couple of minutes ago';
			} else if(delta < (45*60)) {
				r = (parseInt(delta / 60, 10)).toString() + ' minutes ago';
			} else if(delta < (90*60)) {
				r = 'an hour ago';
			} else if(delta < (24*60*60)) {
				r = '' + (parseInt(delta / 3600, 10)).toString() + ' hours ago';
			} else if(delta < (48*60*60)) {
				r = '1 day ago';
			} else {
				r = (parseInt(delta / 86400, 10)).toString() + ' days ago';
			}
			  
			return r;
		};
	}
})(jQuery);