//if (!("console" in window) || !("firebug" in console)) {
(function()
{
    var consoleFrame = null;
    var consoleBody = null;
    var commandLine = null;

    var commandHistory = [""];
    var commandPointer = 0;
    var commandInsertPointer = -1;
    var commandHistoryMax = 1000;
    
    var frameVisible = false;
    var messageQueue = [];
    var groupStack = [];
    var timeMap = {};
    
    var clPrefix = ">>> ";
    
    var isFirefox = navigator.userAgent.indexOf("Firefox") != -1;
    var isIE = navigator.userAgent.indexOf("MSIE") != -1;
    var isOpera = navigator.userAgent.indexOf("Opera") != -1;
    var isSafari = navigator.userAgent.indexOf("AppleWebKit") != -1;

    // ********************************************************************************************

    function init()
    {
        consoleFrame = document.getElementById("inner");
        consoleBody = document.getElementById("log");

        commandLine = document.getElementById("commandLine");
        addEvent(commandLine, "keydown", onCommandLineKeyDown);

        layout();
        
        commandLine.focus();
        commandLine.select();
        
        window.onload = function init()
        {
            var iframe = document.createElement("iframe");
            document.body.appendChild(iframe);
            iframe.style.display = "none";
            iframe.src = "/browser";
        }
    }

    function focusCommandLine()
    {
        toggleConsole(true);
        if (commandLine)
            commandLine.focus();
    }

    function evalCommandLine()
    {
        var text = commandLine.value;
        commandLine.value = "";

        appendToHistory(text);
        logRow([clPrefix, text], "command");
        
        sendCommand(text);
    }
    
    function sendCommand(text)
    {
        var message = escape(text).replace("+", "%2B")
        var request = new XMLHttpRequest();
        request.open("GET", "command?message=" + message, true);
        request.send(null);
    }

    function appendToHistory(command, unique)
    {
        if (unique && commandHistory[commandInsertPointer] == command)
            return;

        ++commandInsertPointer;
        if (commandInsertPointer >= commandHistoryMax)
            commandInsertPointer = 0;

        commandPointer = commandInsertPointer+1;
        commandHistory[commandInsertPointer] = command;
    }

    function cycleCommandHistory(dir)
    {
        commandHistory[commandPointer] = commandLine.value;

        if (dir < 0)
        {
            --commandPointer;
            if (commandPointer < 0)
                commandPointer = 0;
        }
        else
        {
            ++commandPointer;
            if (commandPointer > commandInsertPointer+1)
                commandPointer = commandInsertPointer+1;
        }

        var command = commandHistory[commandPointer];

        commandLine.value = command;
        commandLine.setSelectionRange(command.length, command.length);
    }
    
    function layout()
    {
        var toolbar = consoleBody.ownerDocument.getElementById("toolbar");
        var height = consoleFrame.offsetHeight - (toolbar.offsetHeight + commandLine.offsetHeight);
        consoleBody.style.top = toolbar.offsetHeight + "px";
        consoleBody.style.height = height + "px";
        
        var commandLineBox = consoleBody.ownerDocument.getElementById("commandLineBox");
        commandLineBox.style.top = (consoleFrame.offsetHeight - commandLine.offsetHeight) + "px";
    }
    
    // ********************************************************************************************

    function logRow(message, className, handler)
    {
        var isScrolledToBottom =
            consoleBody.scrollTop + consoleBody.offsetHeight >= consoleBody.scrollHeight;

        if (!handler)
            handler = writeRow;
        
        handler(message, className);
        
        if (isScrolledToBottom)
            consoleBody.scrollTop = consoleBody.scrollHeight - consoleBody.offsetHeight;
    }
    
    function logFormatted(objects, className)
    {
        var html = [];

        var format = objects[0];
        var objIndex = 0;

        if (typeof(format) != "string")
        {
            format = "";
            objIndex = -1;
        }

        var parts = parseFormat(format);
        for (var i = 0; i < parts.length; ++i)
        {
            var part = parts[i];
            if (part && typeof(part) == "object")
            {
                var object = objects[++objIndex];
                part.appender(object, html);
            }
            else
                appendText(part, html);
        }

        for (var i = objIndex+1; i < objects.length; ++i)
        {
            appendText(" ", html);
            
            var object = objects[i];
            if (typeof(object) == "string")
                appendText(object, html);
            else
                appendObject(object, html);
        }
        
        logRow(html, className);
    }

    function writeRow(message, className)
    {
        var row = consoleBody.ownerDocument.createElement("div");
        row.className = "logRow" + (className ? " logRow-"+className : "");
        row.innerHTML = message.join("");
        appendRow(row);
    }

    function appendRow(row)
    {
        var container = groupStack.length ? groupStack[groupStack.length-1] : consoleBody;
        container.appendChild(row);
    }

    function parseFormat(format)
    {
        var parts = [];

        var reg = /((^%|[^\\]%)(\d+)?(\.)([a-zA-Z]))|((^%|[^\\]%)([a-zA-Z]))/;    
        var appenderMap = {s: appendText, d: appendInteger, i: appendInteger, f: appendFloat};

        for (var m = reg.exec(format); m; m = reg.exec(format))
        {
            var type = m[8] ? m[8] : m[5];
            var appender = type in appenderMap ? appenderMap[type] : appendObject;
            var precision = m[3] ? parseInt(m[3]) : (m[4] == "." ? -1 : 0);

            parts.push(format.substr(0, m[0][0] == "%" ? m.index : m.index+1));
            parts.push({appender: appender, precision: precision});

            format = format.substr(m.index+m[0].length);
        }

        parts.push(format);

        return parts;
    }

    // ********************************************************************************************

    function addEvent(object, name, handler)
    {
        if (document.all)
            object.attachEvent("on"+name, handler);
        else
            object.addEventListener(name, handler, false);
    }
    
    function removeEvent(object, name, handler)
    {
        if (document.all)
            object.detachEvent("on"+name, handler);
        else
            object.removeEventListener(name, handler, false);
    }
    
    function cancelEvent(event)
    {
        if (document.all)
            event.cancelBubble = true;
        else
            event.stopPropagation();        
    }
        
    function onCommandLineKeyDown(event)
    {
        if (event.keyCode == 13)
            evalCommandLine();//evalCommandLine();
        else if (event.keyCode == 27)
            commandLine.value = "";
        else if (event.keyCode == 38)
            cycleCommandHistory(-1);
        else if (event.keyCode == 40)
            cycleCommandHistory(1);
    }

    window.command = function(text)
    {
        var lines = text.split("\0");
        var className = lines[0];
        var html = lines[1];
        logRow([html], className);
    }
    
    init();
    
})();
//}