/*!
 *
 * tweets require jquery to be imported
 *
 */
 
 /*!!*/
 

 

jQuery.fn.autolink = function () {
	return this.each( function(){
		var re = /((http|https|ftp):\/\/[\w?=&.\/-;#~%-]+(?![\w\s?&.\/;#~%"=-]*>))/g;
		$(this).html( $(this).html().replace(re, '<a class="auto" rel="external" href="$1">$1</a> ') );
	});
};

jQuery.fn.hashlink = function () {
	return this.each( function(){
		var re = / [\#]+([A-Za-z0-9-_]+)/gi;
		$(this).html( $(this).html().replace(re, ' <a class="auto" rel="external" href="http://twitter.com/search?q=%23$1">#$1</a>') );
	});
};

jQuery.fn.userlink = function () {
	return this.each( function(){
		var re = /[\@]+([A-Za-z0-9-_]+)/gi;
		$(this).html( $(this).html().replace(re, '<a class="auto" rel="external" href="http://twitter.com/$1">@$1</a>') );
	});
};

/*
 * timeago: a jQuery plugin, version: 0.8.1 (2010-01-04)
 * @requires jQuery v1.2.3 or later
 *
 * Timeago is a jQuery plugin that makes it easy to support automatically
 * updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago").
 *
 * For usage and examples, visit:
 * http://timeago.yarp.com/
 *
 * Licensed under the MIT:
 * http://www.opensource.org/licenses/mit-license.php
 *
 * Copyright (c) 2008-2010, Ryan McGeary (ryanonjavascript -[at]- mcgeary [*dot*] org)
 */
(function($) {
  $.timeago = function(timestamp) {
    if (timestamp instanceof Date) return inWords(timestamp);
    else if (typeof timestamp == "string") return inWords($.timeago.parse(timestamp));
    else return inWords($.timeago.datetime(timestamp));
  };
  var $t = $.timeago;

  $.extend($.timeago, {
    settings: {
      refreshMillis: 60000,
      allowFuture: false,
      strings: {
        prefixAgo: null,
        prefixFromNow: null,
        suffixAgo: "ago",
        suffixFromNow: "from now",
        ago: null, // DEPRECATED, use suffixAgo
        fromNow: null, // DEPRECATED, use suffixFromNow
        seconds: "less than a minute",
        minute: "about a minute",
        minutes: "%d minutes",
        hour: "about an hour",
        hours: "about %d hours",
        day: "a day",
        days: "%d days",
        month: "about a month",
        months: "%d months",
        year: "about a year",
        years: "%d years"
      }
    },
    inWords: function(distanceMillis) {
      var $l = this.settings.strings;
      var prefix = $l.prefixAgo;
      var suffix = $l.suffixAgo || $l.ago;
      if (this.settings.allowFuture) {
        if (distanceMillis < 0) {
          prefix = $l.prefixFromNow;
          suffix = $l.suffixFromNow || $l.fromNow;
        }
        distanceMillis = Math.abs(distanceMillis);
      }

      var seconds = distanceMillis / 1000;
      var minutes = seconds / 60;
      var hours = minutes / 60;
      var days = hours / 24;
      var years = days / 365;

      var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||
        seconds < 90 && substitute($l.minute, 1) ||
        minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||
        minutes < 90 && substitute($l.hour, 1) ||
        hours < 24 && substitute($l.hours, Math.round(hours)) ||
        hours < 48 && substitute($l.day, 1) ||
        days < 30 && substitute($l.days, Math.floor(days)) ||
        days < 60 && substitute($l.month, 1) ||
        days < 365 && substitute($l.months, Math.floor(days / 30)) ||
        years < 2 && substitute($l.year, 1) ||
        substitute($l.years, Math.floor(years));

      return $.trim([prefix, words, suffix].join(" "));
    },
    parse: function(iso8601) {
      var s = $.trim(iso8601);
      s = s.replace(/-/,"/").replace(/-/,"/");
      s = s.replace(/T/," ").replace(/Z/," UTC");
      s = s.replace(/([\+-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
      return new Date(s);
    },
    datetime: function(elem) {
      // jQuery's `is()` doesn't play well with HTML5 in IE
      var isTime = $(elem).get(0).tagName.toLowerCase() == 'time'; // $(elem).is('time');
      var iso8601 = isTime ? $(elem).attr('datetime') : $(elem).attr('title');
      return $t.parse(iso8601);
    }
  });

  $.fn.timeago = function() {
    var self = this;
    self.each(refresh);

    var $s = $t.settings;
    if ($s.refreshMillis > 0) {
      setInterval(function() { self.each(refresh); }, $s.refreshMillis);
    }
    return self;
  };

  function refresh() {
    var data = prepareData(this);
    if (!isNaN(data.datetime)) {
      $(this).text(inWords(data.datetime));
    }
    return this;
  }

  function prepareData(element) {
    element = $(element);
    if (element.data("timeago") === undefined) {
      element.data("timeago", { datetime: $t.datetime(element) });
      var text = $.trim(element.text());
      if (text.length > 0) element.attr("title", text);
    }
    return element.data("timeago");
  }

  function inWords(date) {
    return $t.inWords(distance(date));
  }

  function distance(date) {
    return (new Date().getTime() - date.getTime());
  }

  function substitute(stringOrFunction, value) {
    var string = $.isFunction(stringOrFunction) ? stringOrFunction(value) : stringOrFunction;
    return string.replace(/%d/i, value);
  }

  // fix for IE6 suckage
  document.createElement('abbr');
  document.createElement('time');
})(jQuery);


jQuery(function() {
	$("#speakers .previous").click(function() {
		if (!$(this).hasClass("disabled")) {
			$("#speakers ul").animate({ left: "+=1080px" }, 666);
			$(this).addClass("disabled").find("img").fadeOut("fast");
			$("#speakers .next").removeClass("disabled").find("img").fadeIn("fast");
		}
		return false;
	});
	
	$("#speakers .next").click(function() {
		if (!$(this).hasClass("disabled")) {
			$('#speakers ul').animate({ left: '-=1080px' }, 666);
			$(this).addClass("disabled").find("img").fadeOut("fast");
			$("#speakers .previous").removeClass("disabled").find("img").fadeIn("fast");
		}
		return false;
	});
	
	$(".site_link, .twitter_link").hide();
	
	$("#speakers > li > .image").mouseenter(function() {
		$(this).parents("li").find(".site_link, .twitter_link").fadeIn("fast");
	});
	
	$("#speakers > li > .image").mouseleave(function() {
		$(this).parents("li").find(".site_link, .twitter_link").fadeOut("slow");
	});
	
	
	function getTweets() {
		$("#tweets").html('<img src="/images/loading.gif" alt="Loading..." id="loading" style="margin: 40px 318px;" />');
		if ($("#from_us").hasClass("active")) {
				$.getJSON("http://twitter.com/statuses/user_timeline.json?screen_name=uutheory&count=6&callback=?", function(tweets) {
				$.each(tweets, function(i, tweet) {
					var tweet_div = '<div class="tweet"><img src="' + tweet.user.profile_image_url + '" alt="profile picture" />';
					tweet_div += '<p>' + tweet.text + ' <span>-<a href="http://twitter.com/' + tweet.user.screen_name + '" rel="external">' + tweet.user.screen_name + '</a> <span class="time">' + jQuery.timeago(new Date(tweet.created_at)) + '</span></span></p>';
					tweet_div += "</div>";
					$("#loading").remove();
					$("#tweets").append(tweet_div).autolink().hashlink().userlink();
				});
			});
		}
		else if ($("#from_others").hasClass("active")) {
			$.getJSON("http://search.twitter.com/search.json?q=%40uutheory+OR+uutheory+OR+%23uutheory&rpp=10&callback=?", function(tweets) {
				$.each(tweets.results, function(i, tweet) {
					var tweet_div = '<div class="tweet"><img src="' + tweet.profile_image_url + '" alt="profile picture" />';
					tweet_div += '<p>' + tweet.text + ' <span>-<a href="http://twitter.com/' + tweet.from_user + '" rel="external">' + tweet.from_user + '</a> <span class="time">' + jQuery.timeago(new Date(tweet.created_at)) + '</span></span></p>';
					tweet_div += "</div>";
					$("#loading").remove();
					$("#tweets").append(tweet_div).autolink().hashlink().userlink();
				});
			});
		}
	}
	
	if ($("#tweets").length !== 0) {
		getTweets();
	}
	
	$("#from_us").click(function() {
		$(this).addClass("active");
		$("#from_others").removeClass("active");
		getTweets();
		return false;
	});
	
	$("#from_others").click(function() {
		$(this).addClass("active");
		$("#from_us").removeClass("active");
		getTweets();
		return false;
	});
	
});
