/**
* This file will provide a framework to use in the "Save My Info Widget"
*@author Ashuin Sharma
*/

var debug = false; // flag for debugging
var MAX_ENTRIES = 4; // maximum amount of entries permited
var ENTRY_DELIMITER = "||"; // separator for each entry
var ATTRIBUTE_DELIMITER = "~~"; //separator for attributes on each entry
var ADDRESS_SEP = "$$";
var SEP = "::";
var EXPIRES = 10;  // cookie expiration parameter (in days)
var VEHICLE_COOKIENAME  = "savedvehiclelist";
var INVENTORY_COOKIENAME  = "savedinventorylist";
var DEALER_COOKIENAME  = "saveddealerlist";
var MSI_COOKIENAME  = "msicookie";
var DUPLICATED_ERROR  = "DUPLICATEDERROR";
var FULL_ERROR  = "MYINFOFULLERROR";
var MESSAGE_OK  = "SAVEDOK";
var ITEM = undefined;
var urlError = BASE_CONTEXT+"/misc/msi/fullMsiMessage.do";
var CORRUPTED_MESSAGE = "My Saved Info Data was corrupted. Cleanup done.";
var VEHICLE = 0;
var INVENTORY = 1;
var DEALER = 2;
var EN_IMAGE_PATH = BASE_CONTEXT + "/assets/en/images";
var MSI_CHECKED_CLASS = "msiImageChecked";
var MSI_UNCHECKED_CLASS = "msiImage";
var lastSaved = 0;
var lastPushed = 0;
var isAdded;
var clickedImgId="";
/********************************************Saved Item ********************************************/
/*
* SavedItem is the parent class for Save My Info Cookies.
* @constructor
* @param cookieName Is the Name of the cooke file
* @param id Is the key that identifies uniquely a given entry,
*/
function SavedItem(cookieName,id){
	this._id = id;
	this._cookieName = cookieName;
}

/*
* This methods saves an object into the cookie
* @returns True if the item was saved, or false if the cookie list is full. So the system can prompt for overriding confirmation.
*/

function isNoE(content)
{
	return (content==null || content=="");
}

SavedItem.prototype.save = function (){
		if(!this.isSaved())
		{
			var size  = this.size();
			if(BrowserDetect.browser + " " + BrowserDetect.version == "Explorer 6"){
				MAX_ENTRIES = 2;
			}
			if(size < MAX_ENTRIES){
				var arrayItems = this.toObject();
				arrayItems.push(this);
                var value = escape(JSON.encode(arrayItems));
				createCookie(this._cookieName,value,EXPIRES);
				return MESSAGE_OK;
			}else
			{
				return FULL_ERROR;
			}
		}
		else
			return DUPLICATED_ERROR;
}

/*
* This method saves an item in the first position of the cookie list.
*/
SavedItem.prototype.push = function (){
	var arrayItems = this.toObject();
        arrayItems[0] = this;
	var newvalue  = escape(JSON.encode(arrayItems));
	createCookie(this._cookieName,newvalue,EXPIRES);
}

/*
* This method saves an item in the first position of the cookie list.
*/
SavedItem.prototype.remove = function (id){
	var arrayItems = this.toObject();
        for(var index=0;index<arrayItems.length;++index)
        {
            if(arrayItems[index]._id===id)
            {
                arrayItems.splice(index,1);
                var newvalue = escape(JSON.encode(arrayItems));
                createCookie(this._cookieName,newvalue,EXPIRES);
                break;
            }
        }
}


/*
* This methods erases the contents of the cookie
*/

SavedItem.prototype.flush = function (){
	eraseCookie(this._cookieName);
}

/*
* This methods displays the content of the cookie
*/

SavedItem.prototype.show = function (){
        var value = readCookie(this._cookieName);
        alert(value);
}

SavedItem.prototype.getMaxEntries = function (){
	return MAX_ENTRIES;
}

SavedItem.prototype.size = function (){
	var size  = 0;
	var arrayItems = this.toObject();
        size =  arrayItems.length;
	return size;
}

SavedItem.prototype.sizeOf = function(cookie){
	var array = new Array();
	var value = readCookie(cookie);
        var size = 0;
        try{
            if (!isNoE(value))
            {
                array = JSON.decode(unescape(value));
                size = array.length;
            }
        }
        catch(e)
        {
            flushAll();
            size =  0;
            alert(CORRUPTED_MESSAGE);
        }
        return size;
}

SavedItem.prototype.isSaved = function (){
    var arrayItems = this.toObject();
    var result = false;
    for(var i=0;i<arrayItems.length;i++)
    {
        if(arrayItems[i]._id===this._id)
        {
            result = true;
            break;
        }
    }
    return result;
}

/*
* Overrides the toString method. This method will be called from the save function, to stream the data into the cookie.
*/
SavedItem.prototype.toString = function(){
	return JSON.encode(this);
}

/*
* This function reads  the entire cookie, and parses it into an array list.
*/

SavedItem.prototype.toObject = function(){
	var array = new Array();
	var value = readCookie(this._cookieName);
        try{
            if (!isNoE(value))
            {
                array = JSON.decode(unescape(value));
            }
        }catch(e)
        {
            flushAll();
            alert(CORRUPTED_MESSAGE);
        }
        return array;
}

/*
* @returns the Items list.
*/

SavedItem.prototype.retrieve = function(){
	return this.toObject();
}

/********************************************Class Save My Info Utils********************************************/

/*
* SaveMyInfo is the Manager for Saved My INfo COokies. With utilitary methods.
*/

function SaveMyInfoUtils()
{
}

SaveMyInfoUtils.prototype = new SavedItem();



SaveMyInfoUtils.prototype.countMyVehicles = function (){
	var vehC = 	this.sizeOf(VEHICLE_COOKIENAME);
	return vehC;
}

SaveMyInfoUtils.prototype.getMyVehicles = function (){
	var veh = new SavedVehicle(0,0,0,0,0,0);
	return veh.toObject();
}

SaveMyInfoUtils.prototype.removeVehicle = function (modelId,year){
	var veh = new SavedVehicle(modelId,year,0,0,0,0);
	return veh.remove(modelId+year);
}

SaveMyInfoUtils.prototype.isVehicleSaved = function (modelId,year){
	var veh = new SavedVehicle(modelId,year,0,0,0,0);
	return veh.isSaved();
}

SaveMyInfoUtils.prototype.isVehicleSavedByPvc = function (pvc,year){
	var veh = new SavedVehicle(0,year,0,0,pvc,0);
	return veh.isSavedByPvc();
}

SaveMyInfoUtils.prototype.countMyInventory = function (){
	var invC = 	this.sizeOf(INVENTORY_COOKIENAME);
	return invC;
}

SaveMyInfoUtils.prototype.getMyInventory = function (){
	var inv = new SavedInventory(0,0,0,0,0,0,0);
	return inv.toObject();
}

SaveMyInfoUtils.prototype.removeInventory = function (vin){
	var veh = new SavedInventory(0,0,0,0,0,0,0);
	return veh.remove(vin);
}

SaveMyInfoUtils.prototype.isInventorySaved = function (vin){
	var veh = new SavedInventory(vin,0,0,0,0,0,0);
	return veh.isSaved();
}

SaveMyInfoUtils.prototype.countDealers = function (){
	var dealersC = 	this.sizeOf(DEALER_COOKIENAME);
	return dealersC;
}

SaveMyInfoUtils.prototype.getMyDealers = function (){
	var dealers = new SavedDealer(0,0,new Address('','','','',''),0,0,0,0);
	return dealers.toObject();
}

SaveMyInfoUtils.prototype.removeDealer = function (bac){
	var dealers = new SavedDealer(0,0,new Address('','','','',''),0);
	return dealers.remove(bac);
}

SaveMyInfoUtils.prototype.isDealerSaved = function (bac){
	var dealers = new SavedDealer(bac,0,new Address('','','','',''),0);
	return dealers.isSaved();
}

/********************************************Class Saved Vehicle ********************************************/

/*
* SavedVehicle is the Specific Class to Save Preferred Model/Vehicles
* @constructor
* @param styleId Is the PK of this item
* @param year
* @param divisionId Is the unique identifier for the brand
* @param modelFriendlyName Is the description of the model like "Pontiac Vibe 2007",
*/
function SavedVehicle(modelId,year,brand,model,pvc,polkId){
	this.modelId= modelId;
	this.year= year;
	this.brand= brand;
	this.model = model;
    this.pvc = pvc;
    this.polkId = polkId;
	this.parent = SavedItem;
	this.parent(VEHICLE_COOKIENAME,modelId+year);
	this.msrp1=undefined;
	this.msrp2=undefined;
	return "SavedVehicle";
}

//Implementing Inheritance
SavedVehicle.prototype = new SavedItem();

SavedVehicle.prototype.isSavedByPvc = function (){
    var arrayItems = this.toObject();
    var result = false;
    for(var i=0;i<arrayItems.length;i++)
    {
        if(arrayItems[i].pvc===this.pvc && arrayItems[i].year === this.year )
        {
            result = true;
            break;
        }
    }
    return result;
}

/********************************************Class Saved Inventory ********************************************/
/*
* SavedInventory is the Specific Class to Save Preferred Inventory Vehicles
* @constructor
* @param vin Is the unique indetifier for an inventory vehicle
*/

function SavedInventory(vin,pvc,modelId,year,brand,model,color){
	this.vin=vin;
	this.pvc=pvc;
	this.modelId= modelId;
	this.year= year;
	this.brand= brand;
	this.model = model;
	this.color=color;
	this.msrp=undefined;
	this.parent = SavedItem;
	this.parent(INVENTORY_COOKIENAME,this.vin);
	return "SavedInventory";
}

//Implementing Inheritance
SavedInventory.prototype = new SavedItem();

/********************************************Saved Dealer List ********************************************/
/*
* SavedDealer is the Specific Class to Save Preferred Dealer Agents.
* @constructor
* @param bac Is the unique identifier for a Dealer.
*/

function SavedDealer(bac,name,address,manager,url,lat,long){
	this.bac = bac;
	this.name=name;
	this.address=address;
	this.manager=manager;
	this.url = url;
	this.lat = lat;
	this.long = long;
	this.parent = SavedItem;
	this.parent(DEALER_COOKIENAME,this.bac);
	return "SavedDealer";

}

//Implementing Inheritance
SavedDealer.prototype = new SavedItem();

/********************************************Class Address********************************************/
/*
*/

function Address(address,city,state,zip,phone){
	this.address = address;
	this.city = city;
	this.state = state;
	this.zip = zip;
	this.phone = phone;
	return "Address";
}

Address.prototype.toString = function(){
	return this.address + ADDRESS_SEP + this.city + ADDRESS_SEP + this.state + ADDRESS_SEP + this.zip+ ADDRESS_SEP + this.phone ;
}

/********************************************Helper functions********************************************/
/*
*/

function removeVehicle(modelId)
{
	var v1 = new SavedVehicle(modelId,0,0,0,0);

	v1.remove(modelId);
	saveLastSaved(VEHICLE);
	
	if(typeof(CURRENT_MODEL_ID) != "undefined" && typeof(CURRENT_MODEL_ID) != null ){
	if(CURRENT_MODEL_ID+""+CURRENT_YEAR==modelId)
		uncheckSavedVehicle();
	}
	initWidget();
}

function removeInventory(vin)
{
	var v1 = new SavedInventory(0,0,0,0,0,0,0);
	v1.remove(vin);
	saveLastSaved(INVENTORY);
	
	if((msiSectionIdentifier != "undefined") && (msiSectionIdentifier != null )){
	
		if(msiSectionIdentifier=='lav'){
			buttonId="msiBt"+vin;	
		}else buttonId="msiSaveInventory";
		$(buttonId).className=MSI_UNCHECKED_CLASS;
	}	
		
	initWidget();
}

function removeDealer(bac)
{
	var dealers = new SavedDealer(0,0,new Address('','','','',''),0);
	dealers.remove(bac);
	saveLastSaved(DEALER);
	initWidget();
	uncheckSavedDealer(bac);
}

function showError(htmlElement)
{
	var win = window.open(urlError,"errorSI","width=567px,height=147px,resizable=no");
	/*if(imgId!="" || null!=imgId){
    	win.setImage(imgId);
    }*/
}

function push(img)
{   showSaveInfoWin();
	lastSaved=lastPushed;
	saveLastSaved(lastSaved);
	if(typeof(isModelPage) != "undefined" && typeof(isModelPage) != null )
	    checkAsSaved($(MSI_BUTTON_ID));
		else if(typeof(msiSectionIdentifier) != "undefined" && typeof(msiSectionIdentifier) != null ){
			if(msiSectionIdentifier=='lav'){			
				addedInventory=$$('#inventoryList li.vinid');
				deletedVin=addedInventory[0].innerHTML;
				deletedVin=deletedVin.replace("VIN : ", "");
				//alert("del "+deletedVin);
				$("msiBt"+deletedVin).className=MSI_UNCHECKED_CLASS;
				checkAsSavedInventory($(clickedImgId));
			}
		}
	
	ITEM.push();
	showSaveInfoWin();
	
	
}

function fixModelId(modelId)
{
    var newModelId = modelId;
    if(modelId.length==1)
        newModelId = "00"+newModelId;
    else
    if(modelId.length==2)
        newModelId= "0"+newModelId;
    return newModelId;
}



function saveVehicle(chromeModelId,year,brand,htmlElement)
{
	
	var result = executeRequest(BASE_CONTEXT+"/getVehicleInfo.do?&modelId="+chromeModelId+"&year="+year);
    var pvc = result[0];
    var polkId = result[1];
	var model = result[2];
	var msrp1 = result[3];
	var msrp2 = result[4];
	var modelId = result[5]; //It is brandId
    ITEM = new SavedVehicle(modelId,year,brand,model,pvc,polkId);
    ITEM.msrp1 = msrp1;
    ITEM.msrp2 = msrp2;
	var saved = ITEM.save();
	if	(saved==MESSAGE_OK)
	{
		lastSaved=VEHICLE;
        saveLastSaved(lastSaved);
		showSaveInfoWin();
        checkAsSaved(htmlElement);
        result = true;
	}
	else if (saved==DUPLICATED_ERROR)
	{

	}
	else
	{
		lastPushed=VEHICLE;
		showError(htmlElement);
	}
       // return result;
}

function saveInventory(vin,img)
{
    var  result  = false;
    var resultText =  executeRequest(BASE_CONTEXT+"/getInventoryInfo.do?&vin="+vin+"&websiteId="+WEBSITE_ID);
	var pvc = resultText[0];
	var modelId = resultText[1];
	var year = resultText[2];
	var brand = resultText[3];
	var model = resultText[4];
	var color = resultText[5];
	var msrp = resultText[6];
	clickedImgId=img.id;
	ITEM = new SavedInventory(vin,pvc,modelId,year,brand,model,color);
	ITEM.msrp = msrp;
	var saved = ITEM.save();
	if	(saved==MESSAGE_OK)
	{
		lastSaved=INVENTORY;
        saveLastSaved(lastSaved);
		showSaveInfoWin();
		checkAsSavedInventory(img);
		result = true;
	}
	else if (saved==DUPLICATED_ERROR)
	{

	}
	else
	{
		lastPushed=INVENTORY;
		showError(img);
	}
       // return result ;
}

function checkAsSavedInventory(elem){
	elem.className=MSI_CHECKED_CLASS;
}



function saveDealer(bac,img)
{
	var  result  = false;
	var params = executeRequest(BASE_CONTEXT+"/getDealerInfo.do?bac="+bac+"&websiteId="+WEBSITE_ID);
	var name = params[0];
	var addr = params[1];
	var addrArr = addr.split("!!");
	var address = new Address(addrArr[0],addrArr[1],addrArr[2],addrArr[3],addrArr[4]);
	var manager = params[2];
	var url = params[3];
	var lat = params[4];
	var long = params[5];
    ITEM = new SavedDealer(bac,name,address,manager,url,lat,long);
	var saved = ITEM.save();
	if	(saved==MESSAGE_OK)
	{
		lastSaved=DEALER;
                saveLastSaved(lastSaved);
		showSaveInfoWin();
                checkAsSavedDealer(bac);
                result = true;
	}
	else if (saved==DUPLICATED_ERROR)
	{
		result = false;
	}
	else
	{
		lastPushed=DEALER;
		showError(img);
	}
        //return result;
}

function isVehicleSaved(modelId,year)
{
	var util = new SaveMyInfoUtils();
	return util.isVehicleSaved(modelId,year);
}

function isVehicleSavedByPvc(pvc,year)
{
	var util = new SaveMyInfoUtils();
	return util.isVehicleSavedByPvc(pvc,year);
}

function checkVehicleSaved(brandId,year,img){
	var result = isVehicleSaved(brandId,year);
	if(result===true){
		checkAsSaved(img);
	}
}

function checkInventorySaved(vin,img){
	var result = isInventorySaved(vin);
	if(result===true){
		checkAsSavedInventory(img);
	}
}

function checkDealerSaved(bac,img){
	var result = isDealerSaved(bac);
	if(result===true){
		checkAsSaved(img);
	}
}

function isInventorySaved(vin)
{
	var util = new SaveMyInfoUtils();
	return util.isInventorySaved(vin);
}

function isDealerSaved(bac)
{
	var util = new SaveMyInfoUtils();
	return util.isDealerSaved(bac);
}

function getDealerCookie()
{
	return readCookie(DEALER_COOKIENAME);
}


//this function is used to communicate the flash about change in the check image
function getFlashMovie(movieName) {
	var isIE = navigator.appName.indexOf("Microsoft") != -1;
	
	
	return (isIE) ? window[movieName] : document[movieName];
	} 

function checkAsSaved(elem){
	isAdded=true;
	
	changeStateImage();
}
function uncheckSavedVehicle(){
	isAdded=false;
	
	changeStateImage();
}
function changeStateImage(){
	var button=$("btnMsiImage");

	  
	if( (button != "undefined") && (button != null )){
		if(isAdded){
			button.className=MSI_CHECKED_CLASS;
			
		}else{ 
			button.className=MSI_UNCHECKED_CLASS;
			
		}
		
	}
	
	isSavedForFlash();
	

}
function checkAsSavedDealer(bac){
	isAdded=true;
        if(bac.length==8)
		bac = bac.substring(0,6);
	changeStateImageDealer(bac);
}
function uncheckSavedDealer(bac){
	isAdded=false;
        if(bac.length==8)
		bac = bac.substring(0,6);
	changeStateImageDealer(bac);
}
function changeStateImageDealer(bac){
	var button=$("msid_"+bac);


	if( (button != "undefined") && (button != null )){
		if(isAdded){
			button.className=MSI_CHECKED_CLASS;

		}else{
			button.className=MSI_UNCHECKED_CLASS;

		}
	}
}
function isSavedForFlash(){
	if(typeof(isModelPage) != "undefined" && typeof(isModelPage) != null ){
	
		if($("gMdsContentNavFlashHook").getStyle("display")=="block"){
			if(isAdded)
				getFlashMovie("flashObj_nav").changeAddToMySavedInfoButtonIcon(1); 
			else try{getFlashMovie("flashObj_nav").changeAddToMySavedInfoButtonIcon(0);}catch(e){}
			
		}
		
	}	
	
	/*if(isAdded)
		getFlashMovie("flashObj_nav").changeAddToMySavedInfoButtonIcon(1); 
	else getFlashMovie("flashObj_nav").changeAddToMySavedInfoButtonIcon(0); */
}


function saveLastSaved(lastSaved)
{

    createCookie(MSI_COOKIENAME,parseInt(lastSaved),10);
}

function getLastSaved()
{
    var result =  readCookie(MSI_COOKIENAME);
    if(null==result || ""==result)
        result=VEHICLE;
    return parseInt(result);
}

function flushAll()
{
    eraseCookie(VEHICLE_COOKIENAME);
    eraseCookie(INVENTORY_COOKIENAME);
    eraseCookie(DEALER_COOKIENAME);
}

//TODO remove this after Global Cookie Support is deployed on pontiac.

function createCookie(name,value,expires)
{
	cookie.create(name,value,expires);
}

function readCookie(name)
{
	return cookie.read(name);
}

function eraseCookie(name)
{
	cookie.erase(name);
}
/*****************EXTERNAL SERVICES**************************/

function executeRequest(urlReq)
{
    var request = getRequest();
    var params = null;
    request.open("get",  urlReq , false);
    request.send(null);
    var result =  request.responseText;

    if(result!=null && result!="" && result!="N/A" && result!="null")
	{
		params = result.split(SEP);
    	return params;
	}
	else
	{
		throw "ServiceException";
	}
	return params;//Unreachable
}

function executeRequest2(urlReq)
{
    var request = getRequest();
    var params = null;
    request.open("get",  urlReq , false);
    request.send(null);
    var result =  request.responseText;
    return result;
}

//TODO uncomment this
/*function createCookie(name,value,expires)
{
	var urlReq = "http://www.pontiac.com/saveCookie.do?cookieName="+name+"&expires="+expires+"&value="+value;
	var request = getRequest();
	request.open("get",  urlReq , false);
	request.send(null);
	result = request.responseText;
	return(result=="OK");
}


function readCookie(name)
{
	var urlReq = "http://www.pontiac.com/readCookie.do?cookieName="+name;
	var request = getRequest();
	request.open("get",  urlReq , false);
	request.send(null);
	result = request.responseText;
	return result;
}

function eraseCookie(name)
{
	createCookie(name,10,"")
}*/