var jq = jQuery.noConflict();

JQTWEET = {
	
	// Set twitter username, number of tweets & id/class to append tweets
	user: 'roestries',
	numTweets: 8,
	appendTo: '#jstwitter',

	// core function of jqtweet
	loadTweets: function() {
		jq.ajax({
			url: 'http://api.twitter.com/1/statuses/user_timeline.json/',
			type: 'GET',
			dataType: 'jsonp',
			data: {
				screen_name: JQTWEET.user,
				include_rts: true,
				count: JQTWEET.numTweets,
				include_entities: true
			},
			success: function(data, textStatus, xhr) {

			 var html = '';
			 var altTweetIndex = 0;
				 // append tweets into page
				 for (var i = 0; i < data.length; i++) {
				 	altTweetIndex = i%2;
				 	// console.log("i = " + altTweetIndex);
				 	html = '<div class="tweet">TWEET_TEXT<div class="time">AGO</div>'
				 	if(altTweetIndex) html = '<div class="tweetAlt">TWEET_TEXT<div class="time">AGO</div>';
					jq(JQTWEET.appendTo).append(
						html.replace('TWEET_TEXT', JQTWEET.ify.clean(data[i].text))
							.replace(/USER/g, data[i].user.screen_name)
							.replace('AGO', JQTWEET.timeAgo(data[i].created_at))
							.replace(/ID/g, data[i].id_str)
					);

				 }					
			}	

		});
		
	}, 
	
		
	/**
      * relative time calculator FROM TWITTER
      * @param {string} twitter date string returned from Twitter API
      * @return {string} relative time like "2 minutes ago"
      */
    timeAgo: function(dateString) {
		var rightNow = new Date();
		var then = new Date(dateString);
		
		if (jq.browser.msie) {
			// IE can't parse these crazy Ruby dates
			then = Date.parse(dateString.replace(/( \+)/, ' UTC$1'));
		}

		var diff = rightNow - then;

		var second = 1000,
		minute = second * 60,
		hour = minute * 60,
		day = hour * 24,
		week = day * 7;

		if (isNaN(diff) || diff < 0) {
			return ""; // return blank string if unknown
		}

		if (diff < second * 2) {
			// within 2 seconds
			return "right now";
		}

		if (diff < minute) {
			return Math.floor(diff / second) + " seconds ago";
		}

		if (diff < minute * 2) {
			return "about 1 minute ago";
		}

		if (diff < hour) {
			return Math.floor(diff / minute) + " minutes ago";
		}

		if (diff < hour * 2) {
			return "about 1 hour ago";
		}

		if (diff < day) {
			return  Math.floor(diff / hour) + " hours ago";
		}

		if (diff > day && diff < day * 2) {
			return "yesterday";
		}

		if (diff < day * 365) {
			return Math.floor(diff / day) + " days ago";
		}

		else {
			return "over a year ago";
		}
	}, // timeAgo()
    
	
    /**
      * The Twitalinkahashifyer!
      * http://www.dustindiaz.com/basement/ify.html
      * Eg:
      * ify.clean('your tweet text');
      */
    ify:  {
      link: function(tweet) {
        return tweet.replace(/\b(((https*\:\/\/)|www\.)[^\"\']+?)(([!?,.\)]+)?(\s|$))/g, function(link, m1, m2, m3, m4) {
          var http = m2.match(/w/) ? 'http://' : '';
          return '<a class="twtr-hyperlink" target="_blank" href="' + http + m1 + '">' + ((m1.length > 25) ? m1.substr(0, 24) + '...' : m1) + '</a>' + m4;
        });
      },

      at: function(tweet) {
        return tweet.replace(/\B[@＠]([a-zA-Z0-9_]{1,20})/g, function(m, username) {
          return '<a target="_blank" class="twtr-atreply" href="http://twitter.com/intent/user?screen_name=' + username + '">@' + username + '</a>';
        });
      },

      list: function(tweet) {
        return tweet.replace(/\B[@＠]([a-zA-Z0-9_]{1,20}\/\w+)/g, function(m, userlist) {
          return '<a target="_blank" class="twtr-atreply" href="http://twitter.com/' + userlist + '">@' + userlist + '</a>';
        });
      },

      hash: function(tweet) {
        return tweet.replace(/(^|\s+)#(\w+)/gi, function(m, before, hash) {
          return before + '<a target="_blank" class="twtr-hashtag" href="http://twitter.com/search?q=%23' + hash + '">#' + hash + '</a>';
        });
      },

      clean: function(tweet) {
        return this.hash(this.at(this.list(this.link(tweet))));
      }
    } // ify

	
};
function getWorksXML() {

	jq.ajax({
	    type: "GET",
	    url: "works.xml",
	    dataType: "xml",
	    success: parseXml
	});

}

function parseXml(data) {
	jq(data).find("project").each(function() {

		var pCat = "<h4>" + jq(this).find("category").text() + "</h4>";
		var pTitle = "<h2>" + jq(this).find("title").text() + "</h2>";
		var pImage = "<img src='" + jq(this).find("image").text() + "'/>";
		var pBlurb = "<p>" + jq(this).find("blurb").text() + "</p>";
		var pLink = "<a href='" + jq(this).find("link").text() + "' target='_blank'>";

		var projectHtml = "<div class='project'>" + pCat + pTitle + pBlurb + pLink + pImage + "</a>" + "</div>";
    	jq("#content").append(projectHtml);
  });
}

function randomizeAboutPic() {
	var randomNumber = Math.floor(Math.random()*4) + 1;
	// if (randomNumber != 0) 
	jq("#about").css('background-image', 'url(images/BobbyHead' + randomNumber + '.png)');
}
function randomizeHeaderPic() {
	var randomNumber = Math.floor(Math.random()*4) + 1;
	// if (randomNumber != 0) 
	jq("#header").css('background-image', 'url(images/bg-head' + randomNumber + '.png)');
}
jq(document).ready(function(){
	init();
 });
 
function init() {	
	setTimeout(function() { window.scrollTo(0,1) }, 100);
	JQTWEET.loadTweets();
	getWorksXML();
	randomizeAboutPic();
	randomizeHeaderPic();
}