var cache = {}
var PendingMessages = {}
var MessageContentCache = {}
var RawFavs = {}

var MaxImagePosts = 30

// todo: preload these. also, look into image sprites (no go on animating their sizes tho)
// css clipping perhaps?
Imgs = {
  "chatThumb": "/static/img/thumbs/smallheartfaved.gif",
  "chatThumbBig": "/static/img/thumbs/chatheartover.gif",
  "chatThumbOff": "/static/img/thumbs/smallheart.gif",
  "chatThumbDot": "/static/img/thumbs/smallheart.gif",
  "logThumb": "/static/img/thumbs/heartfaved.gif",
  "logThumbBig": "/static/img/thumbs/heartover.gif",
  "logThumbOff": "/static/img/thumbs/heart.gif"
}

Anim = {
    "chatThumbBig": {"width": "27px", "height": "27px", "right": "0px", "bottom": "2px"},
    "chatThumbTiny": {"width": "8px", "height": "8px", "right": "8px", "bottom": "8px"},
    "chatThumb": {"width": "16px", "height": "16px", "right": "4px", "bottom": "4px"},
    "logThumb": {"width": "27px", "height": "27px", "marginRight": "0px", "marginTop": "0px"},
    "logThumbBig": {"width": "64px", "height": "64px", "marginRight": "-20px", "marginTop": "-20px"}
}

// Utils

/*Object.size = function(obj) {
    var size = 0, key;
    for (key in obj) {
        if (obj.hasOwnProperty(key)) size++;
    }
    return size;
};*/

isEmptyObject = function(obj) {
    for (key in obj) {
        if (obj.hasOwnProperty(key)) return false;
    }
    return true
}


function isCSSPropertySupported(prop){ return prop in document.body.style }

function escapeHtml(txt) {
    if (!txt) { return ""; }
    else { return $("<span>").text(txt).html(); }
}

URLRegex = /((\b(http\:\/\/|https\:\/\/|ftp\:\/\/)|(www\.))+(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?)/gi;
PicRegex = /\.(jpg|jpeg|png|gif|bmp|svg)$/i;

function getImagesAsArray(text) {
  var imgs = []
  var urls = text.match(URLRegex)
  if (urls === null) return imgs
  for (var i = 0; i<urls.length; i++){
    var url = urls[i]
    var urlWithoutParams = url.replace(/\?.*$/i, "");
    if (PicRegex.test(urlWithoutParams))
      imgs.push(url)
  }
  return imgs
}

function linkify(text) {
    LastMsgContainsImage = false
    return text.replace(URLRegex, linkReplace);
}

// durty hack to use a global to check this... but otherwise i'd have to rewrite the String.replace function? :/
var LastMsgContainsImage = false
function linkReplace(url) {
    //var urlWithoutParams = url.replace(/\?.*$/i, "");
    
    if (url.indexOf('http://') == 0 || url.indexOf('https://') == 0 || url.indexOf('ftp://') == 0)
        linkUrl = url;
    else
        linkUrl = 'http://' + url;
    
    var uri = parseUri(url)
    switch(getUriType(uri)) {
      case 'image':
        LastMsgContainsImage = true;
        return "<a target='_blank' href='" + linkUrl + "'><img src='" + linkUrl + "'></a>"; break;
      case 'youtube': 
        Youtube.startAnimation();
        return "<a target='_blank' class='youtube' href='" + linkUrl + "'>" +
               "<img class='youtube-thumb' width='130' height='97' src='"+Youtube.nextThumbUrl(uri.queryKey.v)+"'>" + 
               "<img class='youtube-controls' src='/static/img/youtube.controls.png'></a>"; break;
      default:
        return "<a target='_blank' href='" + linkUrl + "'>" + url + "</a>";
    }
    
}

Youtube = {
  "timer": 0,
  
  "startAnimation": function(){
    if (!Youtube.timer)
      Youtube.timer = setTimeout(Youtube.animate, 1000)
  },
  
  "animate": function(){
    var thumbs = $(".youtube-thumb")
    thumbs.each(Youtube.nextThumb)
    if (thumbs.length == 0){
      clearTimeout(Youtube.timer)
      Youtube.timer = 0
    } else Youtube.timer = setTimeout(Youtube.animate, 1000);
  },
  
  "nextThumb": function(){
    var img = $(this);
    // yt thumb url is http://i.ytimg.com/vi/0123456789A/1.jpg
    var v = img.attr("src").substr(22,11)
    var num = img.attr("src").charAt(34);
    img.attr("src", (Youtube.nextThumbUrl(v, num)))
  },
  
  "nextThumbUrl": function(v, num){
    if (!num) num = 0;
    num = (parseInt(num) % 3) + 1 // cycle over 1,2,3
    return "http://i.ytimg.com/vi/" + v + "/" + num + ".jpg"
  },
  
}


function getUriType(uri){
  if (PicRegex.test(uri.file.toLowerCase()))
    return "image";
    
  if (parseDomain(uri.host) == "youtube.com" && 'v' in uri.queryKey || uri.anchor.indexOf('v') != -1)
    return "youtube";
    
  return "link";
}

function linkifyWithoutImage(text) {
    LastMsgContainsImage = false
    return text.replace(URLRegex, linkReplaceWithoutImage);
}

function linkReplaceWithoutImage(url){
    var urlWithoutParams = url.replace(/\?.*$/i, "");
    linkUrl = url.indexOf('http://') == 0 ? url : 'http://' + url;

    return "<a target='_blank' href='" + linkUrl + "'>" + url + "</a>"
}

// Message Handling

var ImageMsgCount = 0
function removeOldMessages(){
    // don't count posts that are all text
    if (LastMsgContainsImage) ImageMsgCount += 1;
    while (ImageMsgCount > MaxImagePosts) {
        var imgMsg = $(".contains-image:first")
        if (imgMsg.length) {
            imgMsg.prevAll().remove() // remove all text messages before the image message
            imgMsg.remove()
        } else break;
        ImageMsgCount -= 1;
    }
}

function buildMsgContent(content) {
    return linkify(escapeHtml(content));
}

// todo:
// isLoading doesn't get passed the right thing by $.map in addMessages
function buildMessageDiv(msg, isLoading) {
    removeOldMessages()
    var nick = escapeHtml(msg.nick);
    var msgId = ('msg_id' in msg) ? 'id="message-' + msg.msg_id + '"' : '';
    var loadingClass = isLoading ? ' loading' : '';
    var containsImageClass = LastMsgContainsImage ? ' contains-image' : '';
    return '<div class="msgDiv dump ' + loadingClass + containsImageClass + '" ' + msgId  + '>'
        + '<span class="nick"><b><a href="http://dump.fm/' + nick + ' ">' + nick + '</a></b>'
        + ' <img src="'+Imgs.chatThumbDot+'" class="chat-thumb" onclick="Tag.favorite(this)"> '
        + '</span>'
        + buildMsgContent(msg.content)
        + '</div>';
}

function buildUserDiv(user) {
    if (user.avatar) {
        return '<div class="username">'
            + '<a href="http://dump.fm/' + escapeHtml(user.nick) + '" target="_blank">'
            + '<img src="' + user.avatar + '" width="50" height="50">'
            + escapeHtml(user.nick) + '</a></div>';
    } else {
        return '<div class="username">'
            + '<a href="/' + escapeHtml(user.nick) + '" target="_blank">'
            + '<img src="/static/img/noinfo.png" width="50" height="50">'
            + escapeHtml(user.nick) + '</a></div>';
    }
}

// Growl

function buildGrowlDataAndPopDatShit(msg) {
    var nick = escapeHtml(msg.nick);
    nick = '<a href="http://dump.fm/' + nick + ' " style="color:pink">' + nick + '</a>:'
    var msg = buildMsgContent(msg.content)
    growl(nick, msg)
}

function growl(user, msg) {
    $.gritter.add({title: user, text: msg});
}

function handleMsgError(resp) {
    var respText = resp.responseText ? resp.responseText.trim() : false;
    if (respText  == 'MUST_LOGIN') {
        alert("Can't send message! Please login.");
    } else if (respText) {
        alert("Can't send message! " + respText);
    } else {
        alert("Can't send message!");
    }
}

// Messages

function invalidImageDomain(content) {
    var words = content.toLowerCase().split(' ');
    for (var i = 0; i < words.length; i++) {
        var w = words[i];
        if (PicRegex.test(w)) {
            for (var j = 0; j < InvalidDomains.length; j++) {
                var d = InvalidDomains[j];
                if (w.indexOf(d) != -1) {
                    return d;
                }
            }
        }
    }
}

function submitMessage() {
    var content = $.trim($('#msgInput').val());

    var invalidDomain = invalidImageDomain(content);
    if (invalidDomain) {
        $('#msgInput').blur(); // Remove focus to prevent FF alert loop
        alert("Sorry, cannot accept images from " + invalidDomain + ". Maybe host the image elsewhere?");
        return;
    }

    $('#msgInput').val('');
    if (content ==  '') { return; }
    if (content.length > 1337) {
      alert("POST TOO LONG DUDE!");
      return;
    } // this shouldn't just be client side :V
    PendingMessages[content] = true;

    var msg = { 'nick': Nick, 'content': content };
    var div = addNewMessage(msg, true);

    var onSuccess = function(json) {
	if (typeof pageTracker !== 'undefined') {
            pageTracker._trackEvent('Message', 'Submit',
                                    typeof Room !== 'undefined' ? Room : 'UnknownRoom');
        }
        div.attr('id', 'message-' + json)
            .removeClass('loading').addClass('loaded');
    };
    var onError = function(resp, textStatus, errorThrown) {
        div.remove();
        handleMsgError(resp);
    };

    $.ajax({
        type: 'POST',
        timeout: 5000,
        url: '/msg',
        data: { 'room': Room, 'content': content },
        cache: false,
        dataType: 'json',
        success: onSuccess,
        error: onError
    });
}

function ifEnter(fn) {
    return function(e) {
        if (e.keyCode == 13) { fn(); }
    };
}

function addNewMessages(msgs) {
    var msgStr = $.map(msgs, buildMessageDiv).join('');
    $('#messageList').append(msgStr);
}

function addNewMessage(msg, isLoading) {
    var msgStr = buildMessageDiv(msg, isLoading);
    var div = $(msgStr).appendTo('#messageList');
    return div;
}

function setUserList(users) {
    $("#userList").html($.map(users, buildUserDiv).join(''));
}

function flattenUserJson(users) {
    var s = "";
    $.map(users.sort(), function(user) {
        s += user.nick + user.avatar;
    });
    return s;
}

function updateUI(msgs, users) {
  
  if (window['growlize'] && msgs && msgs.length > 0) {
      $.map(msgs, buildGrowlDataAndPopDatShit)
  } else if (msgs && msgs.length > 0) {
      addNewMessages(msgs);
  }
  if (users !== null) {
      var flattened = flattenUserJson(users);
      if (!('userlist' in cache) || flattened != cache.userlist) {
          $("#userList").html($.map(users.sort(sortUsersByAlpha), buildUserDiv).join(''));
      }
      cache.userlist = flattened
  }
}

function sortUsersByAlpha(a, b){
    var nickA = a.nick.toLowerCase()
    var nickB = b.nick.toLowerCase()
    if (nickA > nickB) return 1
    else if (nickA < nickB) return -1
    return 0
}

function isDuplicateMessage(m) {
    if (m.nick == Nick && m.content in PendingMessages) {
        delete PendingMessages[m.content];
        return true;
    } else {
        return false;
    }
}

var CurrentTopic = null;

function isSameTopic(curTopic, newTopic) {
    if (!!curTopic != !!newTopic) { return false; }
    else if (!curTopic) { return false; } // => !newTopic also
    else {
        return curTopic.topic == newTopic.topic &&
            curTopic.deadline == newTopic.deadline &&
            curTopic.maker == newTopic.maker;
    }
}

function updateTopic(newTopic) {
    if (isSameTopic(CurrentTopic, newTopic)) { return; }
    alert('new topic');
    CurrentTopic = newTopic;
    $('#topic').text(topic.topic);

}

function refresh() {
    var onSuccess = function(json) {
        try {
            if (json.v && (typeof Version == 'undefined' || Version != json.v)) {
                location.reload();
            }

            Timestamp = json.timestamp;
            
            $.map(json.messages, function(msg){ MessageContentCache[msg.msg_id.toString()] = msg.content })
            
            var messages = $.grep(
                json.messages,
                function(m) { return !isDuplicateMessage(m) });
            updateUI(messages, json.users);
            if (typeof UnseenMsgCounter !== 'undefined' && !HasFocus) {
                UnseenMsgCounter += messages.length;
            }
            if (json.topic) {
                updateTopic(json.topic);
            }
        } catch(e) {
            if (IsAdmin && window.console) {
                console.error(e);
            }
        }
        setTimeout(refresh, 1000);
    };
    var onError = function(resp, textStatus, errorThrown) {
        var msg = $.trim(resp.responseText);
        if (msg == "UNKNOWN_ROOM")
            location.href = "http://dump.fm";
        if (IsAdmin && window.console) {
            console.error(resp, textStatus, errorThrown);
        }
        setTimeout(refresh, 1000);
    };

    $.ajax({
        type: 'GET',
        timeout: 5000,
        url: '/refresh',
        data: { 'room': Room, 'since': Timestamp },
        cache: false,
        dataType: 'json',
        success: onSuccess,
        error: onError
    });
}

function initChat() {
    $('.oldmsg').each(function() {
        var dump = $(this);
        var content = dump.find(".content")
        MessageContentCache[dump.attr("id").substr(8)] = content.text()
        content.html(buildMsgContent(content.text()));
    });

    $('#msgInput').keyup(ifEnter(submitMessage));
    $('#msgSubmit').click(submitMessage);
    $('#palette-button').click(paletteToggle);

    messageList = $("#messageList")[0]

    initChatThumb()

    scrollToEnd()
    scrollWatcher()
    
    // see /static/webcam/webcam.js
    if ('webcam' in window) webcam.init()
    
    setTimeout(refresh, 1000);
}

function makePlainText() {
    var j = $(this);
    j.text(j.text());
}

function activateProfileEditable() {
    var onSubmit = function(attr, newVal, oldVal) {
        newVal = $.trim(newVal);
        if (newVal == oldVal) { return oldVal };
        
        $.ajax({
            type: "POST",
            timeout: 5000,
            url: "/update-profile",
            data: { 'attr': attr, 'val': newVal }
        });
        if (attr == 'avatar') {
            if (newVal != "") {
                var s = '<img id="avatarPic" src="' + newVal + '" width="150" />';
                $('#avatarPic').replaceWith(s).show();
            } else {
                $('#avatarPic').hide();
            }
        }
        return escapeHtml(newVal);
    };

    if ($('#avatar-editing').length > 0)
      setupUploadAvatar('upload');

    var textareaOpts = { 'default_text': 'Enter here!',
                         'callback': onSubmit,
                         'field_type': 'textarea',
                         'callbackShowErrors': false };
    $('#contact.editable, #bio.editable')
        .editInPlace(textareaOpts)
        .each(makePlainText);
}

function enableProfileEdit() {
    $('img#contact').replaceWith('<div id="contact" class="linkify"></div>');
    $('img#bio').replaceWith('<div id="bio" class="linkify"></div>');
    $('#contact, #bio, #avatar').addClass('editable');
    $('#avatar-editing').show();
    var resetPage = function() { location.reload() };
    $('#edit-toggle a').text('done editing').click(resetPage);
    activateProfileEditable();
}

function initProfile() {
    $(".linkify").each(function() {
        var text = jQuery(this).text();
        jQuery(this).html(linkifyWithoutImage(text));
    });    

    $('#edit-toggle').click(enableProfileEdit);
    activateProfileEditable();

    $('.logged-dump .content').each(function() {
        var t = $(this);
        t.html(buildMsgContent(t.text()));
    });
    initLogThumb()
};

function initLog() {
    $('.logged-dump .content').each(function() {
        var t = $(this);
        t.html(buildMsgContent(t.text()));
    });
    initLogThumb();
}



// jesus this logic is ugly
function initLogThumb(){
  $(".logged-dump .thumb").bind('mouseover mouseout', 
    function(e) {
      var favorited = $(this).parents(".dump").hasClass("favorite") ? true : false;
      if (e.type == "mouseover") {
        if (favorited) {
          $(this).attr("src", Imgs.logThumbOff);
        } else {
          $(this).attr("src", Imgs.logThumbBig);
          $(this).stop().animate(Anim.logThumbBig, 'fast');
        }
      } else { // mouseout
        if (favorited) {
          $(this).attr("src", Imgs.logThumb);
          $(this).stop().animate(Anim.logThumb, 'fast');
        } else { 
          $(this).attr("src", Imgs.logThumbOff);
          $(this).stop().animate(Anim.logThumb, 'fast');
        }
      }
  })
}

function initChatThumb(){
  
  $(".chat-thumb").live('mouseover mouseout', 
    function(e) {
      var favorited = $(this).parents(".dump").hasClass("favorite") ? true : false;
      if (e.type == "mouseover") {
        if (favorited) {
          $(this).attr("src", Imgs.chatThumbOff);
        } else {
          $(this).attr("src", Imgs.chatThumbBig);
          $(this).stop().animate(Anim.chatThumbBig, 'fast')
        }
      } else { // mouseout
        if (favorited) {
          $(this).attr("src", Imgs.chatThumb);
          $(this).stop().animate(Anim.chatThumb, 'fast');
        } else { 
          $(this).stop().animate(Anim.chatThumbTiny, 'fast', 'swing', 
            function(){
              $(this).attr("src", Imgs.chatThumbDot)
              $(this).animate(Anim.chatThumb, 0) 
            })
        }
      }
  })
}


function paletteToChat(img){
  var chatText = $("#msgInput").val()
  if (chatText.length && chatText[chatText.length - 1] != " ")
    chatText += " "
  chatText += $(img).attr("src") + " "
  $("#msgInput").val(chatText)
  $("#msgInput").focus().val($("#msgInput").val()) //http://stackoverflow.com/questions/1056359/
  paletteHide()
}

paletteImageCache = false
function paletteBuildImageThumbs(){
  if (paletteImageCache) {
    var imgs = paletteImageCache
  } else {
    var imgs = []
    var dupeFilter = {}
    for(fav in RawFavs){
      var parsedImgs = getImagesAsArray(RawFavs[fav])
      for (var i=0; i<parsedImgs.length; i++){
        var img = parsedImgs[i]
        if (!dupeFilter[img]) {
          imgs.push(img)
          dupeFilter[img] = true
        }
      }
    }
    paletteImageCache = imgs
  }
    
  for(var i=0; i<imgs.length; i++){
    $("#palette-thumbs").append("<img onclick='paletteToChat(this)' src='"+imgs[i]+"'>")
  }
}

function paletteShow(){
  $("#palette").css("display", "block")
  if (isEmptyObject(RawFavs)) {
    $('#palette-thumbs').html('<h1 style="width:300px;color:#000;letter-spacing:-1px;">This is where all the stuff you FAV goes!<br><br>To FAV a post click the little heart <img src="/static/img/thumbs/smallheart.gif"> next to a users name.<br><br> Everything you fav gets saved to your profile.. Have fun!</h1>');
  } else {
    paletteBuildImageThumbs();
  }
}
function paletteHide(){
  $("#palette").css("display", "none")
  $("#palette-thumbs").html("")
}

function paletteToggle(){
  if ($("#palette").css("display") == "none")
    paletteShow()
  else
    paletteHide()
}


function setupUpload(elementId, roomKey) {
    var onSubmit = function(file, ext) {
	if (!(ext && /^(jpg|png|jpeg|gif|bmp|svg)$/i.test(ext))) {
	    alert('SORRY, NOT AN IMAGE DUDE... ');
	    return false;
	}
    };
    var onComplete = function(file, response) {
        var r = $.trim(response);
        g = r;
        if (r.match(/FILE_TOO_BIG/)) {
            var maxSize = r.split(" ")[1] / 1024;
            alert("Sorry. Your file is just too fucking big. "
                  + maxSize + "KB or less please.");
            return;
        } else if (r.match(/FILE_NOT_IMAGE/)) {
            alert("What did you upload? Doesn't seem like an image. Sorry.");
            return;
        } else if (r.match(/INVALID_RESOLUTION/)) {
            var maxWidth = r.split(" ")[1];
            var maxHeight = r.split(" ")[2];
            alert("Sorry, the maximum image resolution is "
                  + maxWidth + "x" + maxHeight);
            return;
        } else if (r != "OK") {
            alert(r);
            return;
        }

    	if (typeof pageTracker !== 'undefined') {
            var r = typeof Room !== 'undefined' ? Room : 'UnknownRoom';
            pageTracker._trackEvent('Message', 'Upload', r);
        }
    }
    new AjaxUpload(elementId, {
        action: '/upload/message',
        autoSubmit: true,
        name: 'image',
        data: { room: roomKey },
	onSubmit: onSubmit,
        onComplete: onComplete
    });
}

function setupUploadAvatar(elementId) {
    // NOTE: AjaxUpload responses aren't converted from JSON.
    var onSubmit = function(file, error) {
        $('#spinner').show();
    };
    var onComplete = function(file, resp) {
        $('#spinner').hide();
        if (resp == 'INVALID_REQUEST') {
            location.reload();
        } else if (resp == 'NOT_LOGGED_IN') {
            location.reload();
        } else if (resp == 'INVALID_IMAGE') {
            alert("Sorry, dump.fm can't deal with your image. Pick another :(");
            return;
        }
        var s = '<img id="avatarPic" src="' + resp + '" width="150" />';        
        $('#avatarPic').replaceWith(s).show();
        $('#avatar').text(resp);
    };
    new AjaxUpload(elementId, {
        action: '/upload/avatar',
        autoSubmit: true,
        name: 'image',
        onSubmit: onSubmit,
        onComplete: onComplete
    });
}


// scrolling stuff
// this code keeps the div scrolled to the bottom, but will also let the user scroll up, without jumping down

function isScrolledToBottom(){
    var threshold = 15;
    
    var containerHeight = messageList.style.pixelHeight || messageList.offsetHeight
    var currentHeight = (messageList.scrollHeight > 0) ? messageList.scrollHeight : 0

    var result = (currentHeight - messageList.scrollTop - containerHeight < threshold);

    return result;  
}

function scrollIfPossible(){
    if (lastScriptedScrolledPosition <= messageList.scrollTop || isScrolledToBottom())
        scrollToEnd()
}

var lastScriptedScrolledPosition = 0
function scrollToEnd(){
    messageList.scrollTop = messageList.scrollHeight
    lastScriptedScrolledPosition = messageList.scrollTop
}

function scrollWatcher(){
    scrollIfPossible()
    setTimeout(scrollWatcher, 500)
}

// well fuck webkit for not supporting {text-decoration: blink}

function blinkStart(){
    blinkTimer = setInterval(function(){
        $(".blink").removeClass("blink").addClass("blink-turning-off")
        $(".blink-off").removeClass("blink-off").addClass("blink")
        $(".blink-turning-off").removeClass("blink-turning-off").addClass("blink-off")
    },500);
}

function blinkStop(){
    clearInterval(blinkTimer);
}

function initDirectory() {    
    $(".linkify").each(function() {
        var text = jQuery(this).text();
        jQuery(this).html(linkify(text));
    });       
}

//big hand stuff
// TODO: replace this with simple pointer-events thing.
function initBigHand(id){
    var cursorId = "#cursor-big"
    var cursor = $(cursorId)[0]
    
    // jquery's reported element sizes are not exactly the same as the browser's 'mouseover' target sizes
    // so we'll allow a few pixels extra
    var fudgeFactor = 2

    $(id).addClass("no-cursor")

    // i have to do this weirdly bc putting the cursor image where the mouse cursor is causes problems with mouse events:
    // * it stops mousemove events on the image below the mouse cursor
    // * it fucks up mouseover/out and even mouseenter/leave events, as well as click
    
    // so i am doing this:
    // on mousing over the image:
    //    make cursor visible
    //    find image co-ords
    //    bind a global mousemove func
    //    bind cursor click event
    //    unbind mouseover
    // mousemove func:
    //    move image to mouse co-ords
    //    if mouse co-ords are outside the image co-ords:
    //        make cursor invisible
    //        unbind mousemove func
    //        unbind cursor click event

    var mousemove = function(e){
        var y = e.pageY, x = e.pageX, coords = initBigHand.coords
        
        cursor.style.top = y + "px"
        cursor.style.left = x - 32 + "px" // 32: (4 pixels * 8 pixels per big pixel) to line up pointy finger with cursor
        if (y < coords.top || 
            y > coords.bottom ||
            x < coords.left || 
            x > coords.right) {
            $(cursorId).addClass('invisible')
            $(cursorId).css({"top": 0, "left": 0 })
            $(cursorId).unbind('click', cursorClick)
            $('logo7').unbind('mousemove', mousemove)
            $(id).mouseover(imageMouseOver)
        }    
    }
    
    var cursorClick = function(){ $(id).click() }
    
    var imageMouseOver = function(){
        //console.log("moused over...")
        initBigHand.coords = {
            "left":   $(id).offset().left - fudgeFactor,
            "top":    $(id).offset().top - fudgeFactor,
            "right":  $(id).offset().left + $(id).width() + fudgeFactor,
            "bottom": $(id).offset().top + $(id).height() + fudgeFactor
        }
        $('body').mousemove(mousemove)
        $(cursorId).click(cursorClick)
        $(cursorId).removeClass('invisible')
        $(id).unbind('mouseover', imageMouseOver)
    }
    
    $(id).mouseover(imageMouseOver)
    
}

// grab message id etc from some element e that's inside a dump
// (messages have something like id="message-0001" class="dump" )
function getMessageInfo(e){
    var message = $(e).parents(".dump")
    var id = message.attr("id").substr(8) // cut "message-001" to "001"
    var nick = message.attr("nick")
    var link = "http://dump.fm/p/" + nick + "/" + id
    var content = message.find(".linkify")
    if (!content.length) content = message.find(".content")
    var rawContent = content.html()
    var img = content.find("img").attr("src")
    var via = "via " + nick + " on dump.fm"
    return {"nick": nick, "id": id, "link": encodeURIComponent(link), 
            "content": rawContent, "img": encodeURIComponent(img), 
            "via": encodeURIComponent(via)}
}

Share = {
  "openLink": function(url){
    window.open(url, "_blank")
  },
  "facebook": function(button){
    var message = getMessageInfo(button)
    var url = "http://www.facebook.com/share.php?u=" + message.img + "&t=" + message.via
    Share.openLink(url)
  },
  "tumblr": function(button){
    var message = getMessageInfo(button)
    var url = "http://www.tumblr.com/share?v=3&u=" + message.img + "&t=" + message.via
    Share.openLink(url)
  },
  "twitter": function(button){
    var message = getMessageInfo(button)
    var url = "http://twitter.com/home?status=" + message.img + encodeURIComponent(" ") + message.via
    Share.openLink(url)
  },
  "delicious": function(button){
    var message = getMessageInfo(button)
    var url = "http://delicious.com/save?url=" + message.img + "&title=" + message.img + "&notes=" + message.via
    Share.openLink(url)
  }
}

Tag = {
  "favorite": function(button){
    var message = getMessageInfo(button)
    var favorited = ($(button).parents(".dump").hasClass("favorite")) ? true : false
    if (favorited) {
      Tag.rm(message.id, "favorite")
      $(button).parents(".dump").removeClass("favorite")
      if (RawFavs[message.id]) {
        delete RawFavs[message.id]
        paletteImageCache = false
      }
    } else {
      Tag.add(message.id, "favorite")
      $(button).parents(".dump").addClass("favorite")
      if (RawFavs && MessageContentCache[message.id]) { // chat ui stuff
        if ($("#palette-button").css("display") == "none")
          paletteButtonShowAnim()
        RawFavs[message.id] = MessageContentCache[message.id]
        paletteImageCache = false
      }
    }
  },
  "add": function(message_id, tag){
    Tag.ajax("/cmd/tag/add", {"message_id": message_id, "tag": tag})
  },
  "rm": function(message_id, tag){
    Tag.ajax("/cmd/tag/rm", {"message_id": message_id, "tag": tag})
  },
  "ajax": function(url, data) {
    $.ajax({
        "type": 'POST',
        "timeout": 5000,
        "url": url,
        "data": data,
        "cache": false
    });
  }
}


// uhhh todo: move preload stuff into js:
// var nextImage = new Image();
// nextImage.src = "your-url/newImage.gif";

// mAcRoMeDiA sHiT
function MM_swapImgRestore() { //v3.0
    var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
    var d=document;if(d.images){ if(!d.MM_p) d.MM_p=new Array();var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++) if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function timeFunc(f){
  var start = new Date().getTime();
  var res = f();
  console.log((new Date().getTime()) - start + " msecs");
  return res;
}

// parseUri 1.2.2 from http://blog.stevenlevithan.com/archives/parseuri
// (c) Steven Levithan <stevenlevithan.com>, MIT License
function parseUri (str) {
	var	o   = parseUri.options,
		m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
		uri = {},
		i   = 14;

	while (i--) uri[o.key[i]] = m[i] || "";

	uri[o.q.name] = {};
	uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
		if ($1) uri[o.q.name][$1] = $2;
	});

	return uri;
};

parseUri.options = {
	strictMode: false,
	key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
	q:   {
		name:   "queryKey",
		parser: /(?:^|&)([^&=]*)=?([^&]*)/g
	},
	parser: {
		strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
		loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
	}
};
// end parseUri

function parseDomain(host){
  return host.toLowerCase().replace(/^www\./, "")
}

// Away notification

var UnseenMsgCounter = 0;
var OrigTitle = $('title').text();
var HasFocus = true;

function onFocus() {
    HasFocus = true;
    UnseenMsgCounter = 0;
    $('title').text(OrigTitle);
}

function onBlur() {
    HasFocus = false;
}

function titleUpdater() {
    if (HasFocus || UnseenMsgCounter == 0 || $('title').text() != OrigTitle) {
        $('title').text(OrigTitle);
    } else {
        var plural = UnseenMsgCounter > 1 ? 's' : '';
        $('title').text(UnseenMsgCounter + ' new dump' + plural + '! | ' + OrigTitle);
    }
    setTimeout(titleUpdater, 2000);
}

function startTitleUpdater() {
    $(window).blur(onBlur);
    $(window).focus(onFocus);
    setTimeout(titleUpdater, 2000);
}