$(document).ready(function() {
  // Twitter stuff
  $.getJSON('http://search.twitter.com/search.json?callback=?&q=from:thetrademark&rpp=1',function(json){
    $.each(json.results,function(i,tweet){
      $('#tweet').html('<p class="body">"'+formatTwitString(tweet.text)+'"</p><p class="date">-'+relativeTime(tweet.created_at)+'</p>');
    });
  });

  // jPlayer stuff
  var Playlist = function(instance, playlist, options) {
    var self = this;

    this.instance = instance; // String: To associate specific HTML with this playlist
    this.playlist = playlist; // Array of Objects: The playlist
    this.options = options; // Object: The jPlayer constructor options for this playlist

    this.current = 0;

    this.cssId = {
      jPlayer: "jquery_jplayer_",
      interface: "jp_interface_",
      playlist: "jp_playlist_"
    };
    this.cssSelector = {};

    $.each(this.cssId, function(entity, id) {
      self.cssSelector[entity] = "#" + id + self.instance;
    });

    if(!this.options.cssSelectorAncestor) {
      this.options.cssSelectorAncestor = this.cssSelector.interface;
    }

    $(this.cssSelector.jPlayer).jPlayer(this.options);

    $(this.cssSelector.interface + " .jp-previous").click(function() {
      self.playlistPrev();
      $(this).blur();
      return false;
    });

    $(this.cssSelector.interface + " .jp-next").click(function() {
      self.playlistNext();
      $(this).blur();
      return false;
    });
  };

  Playlist.prototype = {
    displayPlaylist: function() {
      var self = this;
      $(this.cssSelector.playlist + " ul").empty();
      for (i=0; i < this.playlist.length; i++) {
        var listItem = (i === this.playlist.length-1) ? "<li class='jp-playlist-last'>" : "<li>";
        listItem += "<a href='#' id='" + this.cssId.playlist + this.instance + "_item_" + i +"' tabindex='1'>"+ this.playlist[i].name +"</a>";

        // Create links to free media
        if(this.playlist[i].free) {
          var first = true;
          listItem += "<div class='jp-free-media'>(";
          $.each(this.playlist[i], function(property,value) {
            if($.jPlayer.prototype.format[property]) { // Check property is a media format.
              if(first) {
                first = false;
              } else {
                listItem += " | ";
              }
              listItem += "<a id='" + self.cssId.playlist + self.instance + "_item_" + i + "_" + property + "' href='" + value + "' tabindex='1'>" + property + "</a>";
            }
          });
          listItem += ")</span>";
        }

        listItem += "</li>";

        // Associate playlist items with their media
        $(this.cssSelector.playlist + " ul").append(listItem);
        $(this.cssSelector.playlist + "_item_" + i).data("index", i).click(function() {
          var index = $(this).data("index");
          if(self.current !== index) {
            self.playlistChange(index);
          } else {
            $(self.cssSelector.jPlayer).jPlayer("play");
          }
          $(this).blur();
          return false;
        });

        // Disable free media links to force access via right click
        if(this.playlist[i].free) {
          $.each(this.playlist[i], function(property,value) {
            if($.jPlayer.prototype.format[property]) { // Check property is a media format.
              $(self.cssSelector.playlist + "_item_" + i + "_" + property).data("index", i).click(function() {
                var index = $(this).data("index");
                $(self.cssSelector.playlist + "_item_" + index).click();
                $(this).blur();
                return false;
              });
            }
          });
        }
      }
    },
    playlistInit: function(autoplay) {
      if(autoplay) {
        this.playlistChange(this.current);
      } else {
        this.playlistConfig(this.current);
      }
    },
    playlistConfig: function(index) {
      $(this.cssSelector.playlist + "_item_" + this.current).removeClass("jp-playlist-current").parent().removeClass("jp-playlist-current");
      $(this.cssSelector.playlist + "_item_" + index).addClass("jp-playlist-current").parent().addClass("jp-playlist-current");
      this.current = index;
      $(this.cssSelector.jPlayer).jPlayer("setMedia", this.playlist[this.current]);
    },
    playlistChange: function(index) {
      this.playlistConfig(index);
      $(this.cssSelector.jPlayer).jPlayer("play");
    },
    playlistNext: function() {
      var index = (this.current + 1 < this.playlist.length) ? this.current + 1 : 0;
      this.playlistChange(index);
    },
    playlistPrev: function() {
      var index = (this.current - 1 >= 0) ? this.current - 1 : this.playlist.length - 1;
      this.playlistChange(index);
    }
  };

  var audioPlaylist = new Playlist("1", [
    {
      name:"Don't Tell Me I've Changed",
      mp3:"/music/01-dont-tell-me.mp3"
    },
    {
      name:"Open Up Your Veins",
      mp3:"/music/02-open-your-veins.mp3"
    },
    {
      name:"(Crave)Like a Drug",
      mp3:"/music/03-crave.mp3"
    },
      ], {
    ready: function() {
      audioPlaylist.displayPlaylist();
      audioPlaylist.playlistInit(false); // Parameter is a boolean for autoplay.
    },
    ended: function() {
      audioPlaylist.playlistNext();
    },
    swfPath: "/scripts/jPlayer",
    supplied: "mp3"
  });
});

function formatTwitString(str) {
  str=' '+str;
  str = str.replace(/((ftp|https?):\/\/([-\w\.]+)+(:\d+)?(\/([\w/_\.]*(\?\S+)?)?)?)/gm,'<a href="$1" target="_blank">$1</a>');
  str = str.replace(/([^\w])\@([\w\-]+)/gm,'$1@<a href="http://twitter.com/$2" target="_blank">$2</a>');
  str = str.replace(/([^\w])\#([\w\-]+)/gm,'$1<a href="http://twitter.com/search?q=%23$2" target="_blank">#$2</a>');
  return str;
}

function relativeTime(pastTime) {
  var origStamp = Date.parse(pastTime);
  var curDate = new Date();
  var currentStamp = curDate.getTime();
  var difference = parseInt((currentStamp - origStamp)/1000);

  if(difference < 0) return false;
  if(difference <= 5)               return "Just now";
  if(difference <= 20)          return "Seconds ago";
  if(difference <= 60)          return "A minute ago";
  if(difference < 3600)         return parseInt(difference/60)+" minutes ago";
  if(difference <= 1.5*3600)        return "One hour ago";
  if(difference < 23.5*3600)        return Math.round(difference/3600)+" hours ago";
  if(difference < 1.5*24*3600)  return "One day ago";

  var dateArr = pastTime.split(' ');
  return dateArr[4].replace(/\:\d+$/,'')+' '+dateArr[2]+' '+dateArr[1]+(dateArr[3]!=curDate.getFullYear()?' '+dateArr[3]:'');
}