/*
 * .tabSwitch
 * Version: 1.0
 * http://www.hieu.co.uk/blog/index.php/tabswitch/
 *
 * Copyright (c) 2009 Hieu Pham - http://www.hieu.co.uk
 * COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL)
 * http://www.opensource.org/licenses/cddl1.php
 *
 * Date: 14/04/2009
 */
(function ($) {
    $.fn.tabSwitch = function (command, Arguements, EndFunction) {
        //Default value should be set here
        var defaults = {
            type: "slide", //Type of effect
            cols: 2, //This only used when you're using type = table
            toggle: "fade", //This specific which type of toggle effect
            ease: 40,
            easeType: "linear", //This isn't work for this version yet
            loopback: 1, //If it's 1 it will loop when it reach the ends
            width: 400, // Size of the viewport
            height: 400,
            index: 0, //The current tab index
            speed: 1000, //Speed of the animation
            interval: 5000, //The interval of auto-animate
            step: 1, //How many step you want to use in moveStep
            wrapperClass: "", //You could add extra class for the wraper
            viewportClass: "" //You could add extra class for the viewport
        };

        var Args = $.extend(defaults, Arguements);
        var Obj = this;
        //For quicker access
        var jFirstObj = Obj.eq(1);
        var DOMFirstObj = Obj.eq(1).get(0);
        if (!$.isFunction(EndFunction)) {
            //Set the index in the cache
            var Callback = function () {
                $.data(DOMFirstObj, "index", Args.index);
            };
        }
        else {
            var Callback = function () {
                $.data(DOMFirstObj, "index", Args.index);
                EndFunction();
            };
        }
        //Back up orginal information
        StoreToCache = function () {
            //Now store the tab type in the cache for further use
            $.data(DOMFirstObj, "type", Args.type);
            $.data(DOMFirstObj, "toggle", Args.toggle);
            $.data(DOMFirstObj, "cols", Args.cols);
            $.data(DOMFirstObj, "ease", Args.ease);
            $.data(DOMFirstObj, "easeType", Args.easeType);
            $.data(DOMFirstObj, "index", Args.index);
            $.data(DOMFirstObj, "loopback", Args.loopback);
            //Before do anything to the object, keep a backup so we could revert it
            if (jFirstObj.attr('style')) {
                $.data(DOMFirstObj, "orgAttr", jFirstObj.attr('style'));
            } else {
                $.data(DOMFirstObj, "orgAttr", "");
            }
        }
        //Remove all the data in cache and reset the object back to original
        backFromCache = function () {
            Obj.attr('style', $.data(DOMFirstObj, "orgAttr"));
            var ViewPortObj = $("#ViewPort" + $.data(DOMFirstObj));
            ViewPortObj.replaceWith(Obj);
            //Remove auto if it's running
            stopAuto();
            //Clear cacke
            $.removeData(DOMFirstObj);
        }
        //Execute when input comment is create
        var createTab = function () {
            //Back up orginal information
            StoreToCache();
            //Construct the form
            //Set all the CSS for the list div, this;s the common setting for all type of tab
            if (Args.width) Obj.width(Args.width);
            if (Args.height) Obj.height(Args.height);
            //A big wraper around and change some CSS of the wrap
            var WraperSelector = "WideDiv" + $.data(DOMFirstObj);
            Obj.wrapAll("<div id='" + WraperSelector + "'></div>");
            var WraperObj = $("#" + WraperSelector);
            WraperObj.addClass(Args.wraperClass);
            WraperObj.css({ "position": "relative" });
            WraperObj.wrap("<div id='" + WraperSelector.replace("WideDiv", "ViewPort") + "'></div>")
            //Now create the viewport with the input size
            var ViewPortObj = $("#" + WraperSelector.replace("WideDiv", "ViewPort"));
            ViewPortObj.width(Args.width);
            ViewPortObj.height(Args.height);
            ViewPortObj.css({ "display": "block", "overflow": "hidden", "position": "relative" });
            ViewPortObj.addClass(Args.viewportClass);
            switch (Args.type) {
                case "slide":
                    Obj.css({ "float": "left" });
                    //A big wraper around and change some CSS of the wrap
                    WraperObj.width((Args.width + 2) * Obj.length);
                    //Now create the viewport with the input size
                    break;
                case "scroll":
                    //A big wraper around and change some CSS of the wrap				
                    WraperObj.width(Args.width);
                    WraperObj.height((Args.height + 2) * Obj.length);
                    break;
                case "toggle":
                    WraperObj.width(Args.width);
                    WraperObj.height(Args.height);
                    Obj.css({ "position": "absolute", "left": "-999px" });
                    Obj.eq(Args.index).css({ "left": "0px", "top": "0px" });
                    Obj.eq(Args.index).css("opacity", 1);
                    break;
                case "table":
                    WraperObj.width(Args.width * Args.cols);
                    Obj.css("float", "left");
            }
            moveTo();
        }
        // Move object to a position set by Args.Index
        var moveTo = function () {
            //get the easeLevel from the cache
            var ease = 0;
            //Check if the next idx is out of the limit or not
            if (!Args.easeType) {
                Args.easeType = (DOMFirstObj, "easeType");
            }
            if (Args.index > Obj.length - 1) {
                if ($.data(DOMFirstObj, "loopback") != 0) {
                    Args.index = 0;
                    ease = -$.data(DOMFirstObj, "ease");
                }
                else return;
            }
            if (Args.index < 0) {
                if ($.data(DOMFirstObj, "loopback") != 0) {
                    Args.index = Obj.length - 1;
                    ease = $.data(DOMFirstObj, "ease");
                } else return;
            }
            var WraperSelector = "WideDiv" + $.data(DOMFirstObj);
            var WraperObj = $("#" + WraperSelector);
            //See what type of effect we stimulate
            switch ($.data(DOMFirstObj, "type")) {
                case 'slide':
                    //Get how much ease we set and start the animation
                    if (ease != 0) {
                        var easeLevel = (parseInt(WraperObj.css("left").replace("px", "")) + ease);
                        WraperObj.animate({ left: easeLevel + "px" }, Args.speed, function () {
                            WraperObj.animate({ left: -(Obj.outerWidth(true) * Args.index) + "px" }, Args.speed, Args.easeType, Callback());
                        });
                    } else {
                        WraperObj.animate({ left: -(Obj.outerWidth(true) * Args.index) + "px" }, Args.speed, Args.easeType, Callback());
                    }
                    break;
                case 'scroll':
                    //Get how much ease we set and start the animation
                    if (ease != 0) {
                        var easeLevel = (parseInt(WraperObj.css("top").replace("px", "")) + ease);
                        WraperObj.animate({ top: easeLevel + "px" }, Args.speed, function () {
                            WraperObj.animate({ top: -(Obj.outerHeight(true) * Args.index) + "px" }, Args.speed, Args.easeType, Callback());
                        });
                    } else {
                        WraperObj.animate({ top: -(Obj.outerHeight(true) * Args.index) + "px" }, Args.speed, Args.easeType, Callback());
                    }
                    break;
                case 'toggle':
                    //move the new one on top of the old div
                    Obj.eq(Args.index).css({ "left": "0px", "top": "0px" });
                    switch ($.data(DOMFirstObj, "toggle")) {
                        case "fade":
                            Obj.eq(Args.index).css({ "opacity": 0 });
                            Obj.eq(Args.index).animate({ "opacity": 1 }, Args.speed);
                            if ($.data(DOMFirstObj, "index") != Args.index) {
                                Obj.eq($.data(DOMFirstObj, "index")).animate({ "opacity": 0 }, Args.speed, function () {
                                    $(this).css("left", -999);
                                    Callback();
                                 // here we shoulde go alert('hello');
                                });
                            }
                            break;
                        case "toggle":
                            if ($.data(DOMFirstObj, "index") != Args.index) {
                                Obj.eq(Args.index).css({ "display": "none" });
                                Obj.eq($.data(DOMFirstObj, "index")).slideUp(Args.speed, function () {
                                    Obj.eq(Args.index).slideDown(Args.speed, function () { Callback(); });
                                    $(this).css("left", -999);
                                });
                            }
                            break;
                        case "show":
                            if ($.data(DOMFirstObj, "index") != Args.index) {
                                Obj.eq(Args.index).css({ "display": "none" });
                                Obj.eq($.data(DOMFirstObj, "index")).hide(Args.speed, function () {
                                    Obj.eq(Args.index).show(Args.speed, function () { Callback(); });
                                    $(this).css("left", -999);
                                });
                            }
                            break;
                        case "noeffect":
                            if ($.data(DOMFirstObj, "index") != Args.index) {
                                Obj.eq($.data(DOMFirstObj, "index")).css("left", -999);
                                Callback();
                            }
                            break;
                    }
                    break;
                case "table":
                    var cols = $.data(DOMFirstObj, "cols");
                    //Where the next idx in the table
                    var nextX = -(Args.index % cols) * Obj.width();
                    var nextY = -Math.floor(Args.index / cols) * Obj.height();
                    //Move horizontal first
                    WraperObj.animate({ "left": nextX }, Args.speed, Args.easeType, function () {
                        WraperObj.animate({ "top": nextY }, Args.speed, Args.easeType, Callback());
                    });
                    break;
                default:
                    $('html,body').animate({ "scrollTop": Obj.eq(Args.index).offset().top }, Args.speed);
                    break;

            }
        };

        //Move by steps
        moveStep = function () {
            var currentIdx = $.data(DOMFirstObj, "index");
            //Calculate the next index
            Args.index = parseInt(currentIdx) + parseInt(Args.step);
            //Then move to it
            moveTo();
        }
        //Set it run auto
        startAuto = function () {
            //Save the autoswitch into memory and start it
            $.data(DOMFirstObj, "AutoSwitch", setInterval(moveStep, Args.interval));
        }
        //Stop the auto
        stopAuto = function () {
            //Stop the interval and clear the cache
            clearInterval($.data(DOMFirstObj, "AutoSwitch"));
            $.removeData(DOMFirstObj, "AutoSwitch");
        }
        //Toggle auto
        toggleAuto = function () {
            if (isAuto()) {
                stopAuto();
            } else {
                startAuto();
            }
        }
        //Return if this is auto or not
        isAuto = function () {
            if ($.data(DOMFirstObj, "AutoSwitch")) {
                return true;
            } else {
                return false;
            }
        }
        if (!command) command = "";
        //Check what user want
        switch (command.toLowerCase()) {
            case "index":
                if ($.data(DOMFirstObj, "index")) {
                    return $.data(DOMFirstObj, "index");
                } else {
                    return 0;
                }
                break;
            case "moveto":
                moveTo();
                break;
            case "movestep":
                moveStep();
                break;
            case "destroy":
                backFromCache();
                break;
            case "create":
                createTab();
                break;
            case "isauto":
                return isAuto();
                break;
            case "toggleauto":
                toggleAuto();
                break;
            case "startauto":
                startAuto();
                break;
            case "stopauto":
                stopAuto();
                break;
        }
    };
})(jQuery);