/**
 * Main Grooveshark Script
 */

(function(){
        var gs = window.gs = {
                
                /* Global Variables */
                
                player: null,
                
                isDev: false,
                userid: null,
                username: null,
                
                // model boxes
                lbFactory: null,
                
                // logging variables
                DEBUG: true,
                fakeConsole: null,
                fakeConsoleBox: null,
                
                // url info
                rootUrl : location.protocol + "//" + location.host,
                pageUrl : location.protocol + "//" + location.host + location.pathname,
                scriptUrl : location.href
                
        };
        if(window.init_data && init_data.session) {
            // user info
        gs.isDev = init_data.session.isdev || true;
        gs.userid = init_data.session.userid;
        gs.username = init_data.session.username;
        }
       
        gs.debug = window.debug = function()
        {
            if (window.console && window.console.log) {
                for (var i=0; i<arguments.length; i++) {
                    console.log(arguments[i]);
                }
            }
        }
        
        gs.util = {
                /** The following functions are from
                 *  http://blogs.wdevs.com/Sukumar/archive/2005/05/10/3335.aspx
                 *
                 *  These functions are used to detect whether a variable meets certain conditions provided by the name of the function itself:
                 *      isUndefined - sees whether a variable is undefined
                 *      isNull - whether a variable is null
                 *      isIEObject - whether a variable is an object in IE
                 *      isObject -  whether a variable is an object
                 *      isFunction - whether a variable is a function
                 *      isArray - whether a variable is an array
                 *      isEmpty - whether a variable contains other members (applies to objects, functions, arrays)
                 *      isNumber - whether a variable is a number (NaN) and not infinite
                 *      isString - whether a variable is a string
                 *      isBoolean - whether a variable is a boolean
                 */
                isUndefined: function(a) { return typeof a == 'undefined'; },
                
                isNull: function(a) { return typeof a == 'object' && !a; },
                
                isIEObject: function(a) { return gs.util.isObject(a) && typeof a.constructor != 'function'; },
                
                isObject: function(a)
                {
                    if (a == null || a == undefined) return false;
                    return (typeof a == 'object' && !!a) || gs.util.isFunction(a);
                },
                
                isFunction: function(a) { return typeof a == 'function'; },
                
                isArray: function(a) { return gs.util.isObject(a) && a.constructor == Array; },
                
                isEmpty: function(o) {
                    if (gs.util.isObject(o)) {
                        for (var i in o) {
                            return false;
                        }
                    }
                    return true;
                },
                
                isNumber: function(a) { return typeof a == 'number' && isFinite(a); },
                
                isString: function(a) { return typeof a == 'string'; },
                
                isBoolean: function(a) { return typeof a == 'boolean'; },
                
                /**
                 *      uses fisher-yates algorithm for randomly shuffle an array
                 */
                shuffle: function( myArray )
                {
                        var i = myArray.length;
                        if ( i == 0 ) return false;
                        while ( --i ) {
                                var j = Math.floor( Math.random() * ( i + 1 ) );
                                var tempi = myArray[i];
                                var tempj = myArray[j];
                                myArray[i] = tempj;
                                myArray[j] = tempi;
                        }
                        return myArray;
                },
                
                /**
                 * like the php function, makes sure the variable "arr" is an array
                 * formally: ensure_array
                 */
                arrayEnsure: function(arr)
                {
                    return (isArray(arr)) ? arr : [arr];
                },
                
                /** 
                 * give array of what you want replaced, and what you want to replace it with and the text you want to be changed
                 * formally: str_replace
                **/
                strReplace: function(search_arr, replace_str, subject)
                {
                    if(subject=="") return subject;
                    search_arr = arrayEnsure(search_arr);
                    replace_str = arrayEnsure(replace_str);
                    var length = search_arr.length;
                    for(var i=0; i<length; i++) {
                        subject = subject.replace(search_arr[i], replace_str[i]);
                    }
                    return subject;
                },
                
                /**
                 *      remove all children from a dom object
                 **/
                removeChildren: function(element)
                {
                        if(!element) return;
                    var node;
                    while ((node = element.lastChild)) {
                        element.removeChild(node);
                    }
                },
                
                /**
                 * force browser to redraw a given element
                 * formally: obj_redraw
                 */
                objRedraw: function(obj)
                {
                        obj = obj || document.body;
                    var t = obj.style.display;
                    obj.style.display = 'none';
                    obj.style.display = t;
                    obj.className += "";    // ensure safari redraws too
                },
                
                /**
                 * Returns {X,Y} coordinate position of DOM object
                 */
                get_position: function(doc_obj)
                {
                        var left = 0;
                        var top  = 0;
                
                        while (doc_obj.offsetParent){
                                left += doc_obj.offsetLeft;
                                top  += doc_obj.offsetTop;
                                doc_obj = doc_obj.offsetParent;
                        }
                
                        left += doc_obj.offsetLeft;
                        top  += doc_obj.offsetTop;
                
                        return {x:left, y:top};
                },
                
                /**
                 *  fix ie memory leak (http://javascript.crockford.com/memory/leak.html)
                 */
                purge: function(d)
                {
                    var a = d.attributes, i, l, n;
                    if (a) {
                        l = a.length;
                        for (i = 0; i < l; i += 1) {
                            n = a[i].name;
                            if (typeof d[n] === 'function') {
                                d[n] = null;
                            }
                        }
                    }
                    a = d.childNodes;
                    if (a) {
                        l = a.length;
                        for (i = 0; i < l; i += 1) {
                            purge(d.childNodes[i]);
                        }
                    }
                },
                
                /**
                 * Get the position of the mouse and will place the mouse X and Y value to the corresponding parameters.
                 * formally: trackmouse
                 */
                getMouse: function(e)
                {
                    var posx =  posy = 0;
                    if (e.pageX || e.pageY)     {
                                posx = e.pageX;
                                posy = e.pageY;
                        } else if (e.clientX || e.clientY)      {
                                posx = e.clientX + document.body.scrollLeft
                                        + document.documentElement.scrollLeft;
                                posy = e.clientY + document.body.scrollTop
                                        + document.documentElement.scrollTop;
                        }
                    return {x:posx, y:posy};
                }
        };
        
        gs.frameLinkHandler = function(event) {
                event = event || window.event;
                var target = event.srcElement || event.target;
                if(target.href && target.href != "#") {
                        gs.debug("loc rep with href: "+target.href);
                        var url = escape(gs.getUrl(target.href));
                        gs.debug("new hash: "+gs.rootUrl+"/"+url);
                        window.top.location.hash = url;
                        
                        
                        event.cancelBubble = true;
                        event.returnValue = false;
                        if(event.stopPropagation) event.stopPropagation();
            if(event.preventDefault) event.preventDefault();
            return false;
                }
        }
        
        gs.getUrl = function(href) {
                if(typeof href !="string") { return ''; }
                var link_href = href.replace(gs.rootUrl, "");
                if(link_href.substring(0,1)=="/") {
                        link_href = link_href.replace("/", "");
                }
                gs.debug("getUrl: page_ref: "+link_href,", orig href: "+href, "gs.rootUrl: "+gs.rootUrl);
                if(link_href=="#") { return ''; }
                return link_href;
        }
        
        /**
         * Standardized show event for all modal boxes
     */
    gs.modal_show = function(hash) {
        hash.w.show();
    }
    
    /**
     * Standardized hide event for all modal boxes
     */
    gs.modal_hide = function(hash) {
        hash.o.remove();
        hash.w.hide();
    }
        
        
        /**
         *  Extends the array object to have the "indexOf" and "inArray" methods
         */
        if(!Array.prototype.indexOf) {
            Array.prototype.indexOf = function(val) {
                for (var n = 0; n < this.length; n++) {
                    if (this[n] == val) {
                        return n;
                    }
                }
                return -1;
            }
        }
        if(!Array.prototype.inArray) {
            Array.prototype.inArray = function (value) {
                for (var i=0; i < this.length; i++) {
                    if (this[i] === value) {
                        return true;
                    }
                }
                return false;
            }
        }
        
        /**
         * Extend jQuery to add some custom functions
         */
        $.extend({
                /**  
                 * Post information to server and ensure json return data
                 */
            postJSON: function( url, data, callback ) {
                    return $.post(url, data, callback, "json");
            },
            
            /**
             * Standard forms funcionality
             * formally show_messages
             */
            showMessages: function()
                {
                    var text = $("p#messages_text").html();
                    if (text != '') {
                        $("div#messages").show();
                    }
                    return this;
                },
                
                /**
             * Standard forms funcionality
             * formally show_alert
             */
                showAlert: function()
                {
                    var text = $("p#alert_text").html();
                    if (text != '') {
                        $("div#alert").show();
                    }
                    return this;
                },
            
            /**
             * Retrieve dom object from jQuery's function chaining
             */
            dom: function(getAll) {
                getAll = getAll || false;
                if(getAll) {
                        var d = [];
                        $(this).each(function() {
                                d.push(this);
                        });
                        return d;
                }
                        return this[0];
                },
                
                /**
                 * Change the way jQuery displays dragged objects
                 */
                fixDrag: function() {
                        var dragtype = ($(this).attr("id")).split("_")[0];
                    if(dragtype=="sid" || dragtype=="lib" || dragtype=="ssid") {
                        if(isIE) {
                            var ieobj = document.getElementById($(this).attr("id"));
                            var helper = document.getElementById("dragHelper");
                            helper.innerHTML="<table><tr>"+ieobj.innerHTML+"</tr></table>";
                            var arr = $("td",helper).children();
                        } else {
                            var arr = $("td",this).children();
                        }
                        
                        var arr_length = arr.length;
                        $(arr[1]).width(180+"px");
                        $(arr[2]).width(180+"px");
                        $(arr[3]).width(180+"px");
                        $(arr[0]).remove();
                        $(arr[arr_length-1]).remove();
                        $(arr[arr_length-2]).remove();
                                
                        $("#dragHelper").width(540+"px").css("opacity",.75);
                        $(this).children().children().children(".ellipses").remove();
                        $(this).css("background","#FFFFFF").css("color","#294251");
                    }
                    return this;
                }
        });
        
        //ie6 flicker bug-fix
        if (isIE6) {
                try {
                        document.execCommand("BackgroundImageCache", false, true);
                } catch(e) {}
        }
        
        $(document).ready(function() {
        var doRemove = false;
                
        $('#searchQuery').keydown(function() {
            if(!doRemove) {
                $('#searchIsMessage').remove();
            }
        });
                
        $('#search').submit(function() {
            if($('#searchIsMessage').length) {
                $('#searchQuery').attr('value', '').focus();
                $('#searchIsMessage').remove();
                return false;
            }
            return true;
        });
                
        $('#searchQuery').each(function() {
            var curQuery = '';
            $(this).autocomplete('search.php',{
                resultsId: $(this).parents('form').attr('id')+'ac',
                minChars: 2,
                max: 10,
                delay: 200,
                cacheLength: 100,
                width: 845,
                scroll: true,
                scrollHeight: 190,
                matchSubset: false,     // whether to do new query for refinement (false==new query)
                selectFirst: false,     // whether to auto select first item
                extraParams: {auto:1,type:'song'},
                offsetTop: 16,
                offsetLeft: -22,
                //highlight: true,    // could be a function
                /*
                formatItem: function(item) {
                    //debug('format item', item, arguments);
                    return item.toString();
                },
                //*/
                formatResult: function(item) {
                    return item[0];
                }
            });
            $(this).keyup(function(){
                lastQuery = this.value;
            }).result(function(event, item, formatted) {
                debug('result item: '+lastQuery, arguments);
                var type = item[1];
                var id = item[2];
                $.post("/loglinkclick.php", {search:lastQuery, type:type, id:id});
            });
        });
                
                gs.lbFactory = new ModalBoxFactory();

    });

    gs.internFlyerClick = function() {
        var c = "hark.com";
        var e = "obs@g";
        var a = "mai";
        var b = "lto:j";
        var d = "rooves";
        location.href = a + b + e + d + c;
    }

})();