var ExpressCheckout = {
	completedSteps: new Array(),
	currentStep: 'AccountDetails',
	signedIn: 0,
	digitalOrder: 0,
	createAccount: 0,
	anonymousCheckout: 0,
	checkoutLogin: 0,

	init: function()
	{
		if($('#CheckoutStepAccountDetails').css('display') == 'none') {
			ExpressCheckout.currentStep = 'BillingAddress';
		}
		else {
			$('#BillingDetailsLabel').html(lang.ExpressCheckoutStepBillingAccountDetails);
		}

		$('.ExpressCheckoutBlock').hover(function() {
			if($(this).hasClass('ExpressCheckoutBlockCompleted')) {
				$(this).css('cursor', 'pointer');
			}
		},
		function() {
			$(this).css('cursor', 'default');
		});

		$('.ExpressCheckoutTitle').click(function() {
			if($(this).hasClass('ExpressCheckoutBlockCompleted')) {
				$(this).find('.ChangeLink').click();
			}
		});

		// Capture any loading errors
		$(document).ajaxError(function(event, request, settings) {
			ExpressCheckout.HideLoadingIndicators();
			alert(lang.ExpressCheckoutLoadError);
		});
	},

	Login: function()
	{
		$('#CheckoutLoginError').hide();
		ExpressCheckout.anonymousCheckout = 0;
		ExpressCheckout.createAccount = 0;

		if(ExpressCheckout.validateEmailAddress($('#login_email').val()) == false) {
			alert(lang.LoginEnterValidEmail);
			$('#login_email').focus();
			$('#login_email').select();
			return false;
		}

		if($('#login_pass').val() == '') {
			alert(lang.LoginEnterPassword);
			$('#login_pass').focus();
			return false;
		}

		ExpressCheckout.ShowLoadingIndicator('#LoginForm');
		$.ajax({
			url: 'remote.php',
			type: 'post',
			dataType: 'json',
			data: 'w=expressCheckoutLogin&'+$('#LoginForm').serialize(),
			success: ExpressCheckout.HandleResponse
		});

		return false;
	},

	HandleResponse: function(response)
	{
		ExpressCheckout.HideLoadingIndicators();

		if(response.completedSteps != undefined) {
			$.each(response.completedSteps, function() {
				var value = document.createTextNode(this.message);
				$('#CheckoutStep'+this.id+' .ExpressCheckoutCompletedContent').html(value);
				$('#CheckoutStep'+this.id).addClass('ExpressCheckoutBlockCompleted');
				ExpressCheckout.completedSteps[ExpressCheckout.completedSteps.length] = this.id;
			});
		}

		if(response.stepContent != undefined) {
			$.each(response.stepContent, function() {
				$('#CheckoutStep'+this.id+' .ExpressCheckoutContent').html(this.content);
				$('#CheckoutStep'+this.id+' .ExpressCheckoutContent .FormField.JSHidden').show();
			});
		}

		ExpressCheckout.HandleResponseStatus(response);
	},

	HandleResponseStatus: function(response)
	{
		if(response.status == 0) {
			if(response.errorContainer) {
				$(response.errorContainer).html(response.errorMessage).show();
			}
			else {
				alert(response.errorMessage);
			}
		}

		if(response.changeStep) {
			ExpressCheckout.ChangeStep(response.changeStep);
			ExpressCheckout.ResetNextSteps();
		}

		// Set focus to a particular field
		if(response.focus) {
			try {
				$(response.focus).focus().select();
			}
			catch(e) { }
		}
	},

	GuestCheckout: function()
	{
		$('#CreateAccountForm').show();
		$('#CheckoutLoginError').hide();

		if($('#CheckoutGuestForm').css('display') != 'none' && !$('#checkout_type_register:checked').val()) {
			type = 'guest';
			ExpressCheckout.anonymousCheckout = 1;
			ExpressCheckout.createAccount = 0;
		}
		else {
			type = 'account';
			ExpressCheckout.anonymousCheckout = 0;
			ExpressCheckout.createAccount = 1;
		}

		ExpressCheckout.ShowLoadingIndicator('#CheckoutGuestForm');
		$.ajax({
			url: 'remote.php',
			type: 'post',
			dataType: 'json',
			data: {
				w: 'expressCheckoutGetAddressFields',
				type: type
			},
			success: ExpressCheckout.HandleResponse
		});
	},

	ResetNextSteps:function()
	{
		steps = ExpressCheckout.GetSteps();
		var beginReset = false;
		var newCompleted = Array();
		$.each(steps, function(i, step) {
			if(step == ExpressCheckout.currentStep) {
				newCompleted[newCompleted.length] = step;
				beginReset = true;
			}
			else if(beginReset == true) {
				$('#CheckoutStep'+step).removeClass('ExpressCheckoutBlockCompleted');
				$('#CheckoutStep'+step+' .ExpressCheckoutCompletedContent').html('');
			}
		});

		ExpressCheckout.completedSteps = newCompleted;
	},

	ChangeStep: function(step)
	{
		if(typeof(step) == 'undefined') {
			step = ExpressCheckout.CalculateNextStep(ExpressCheckout.currentStep);
		}

		if(step == ExpressCheckout.currentStep) {
			return false;
		}

		$('#CheckoutStep'+ExpressCheckout.currentStep+' .ExpressCheckoutContent').slideUp('slow');
		$('#CheckoutStep'+ExpressCheckout.currentStep).addClass('ExpressCheckoutBlockCollapsed');
		if($.inArray(ExpressCheckout.currentStep, ExpressCheckout.completedSteps) != -1) {
			$('#CheckoutStep'+ExpressCheckout.currentStep).addClass('ExpressCheckoutBlockCompleted');
		}
		$('#CheckoutStep'+step+' .ExpressCheckoutContent').slideDown('slow');
		$('#CheckoutStep'+step).removeClass('ExpressCheckoutBlockCollapsed');
		ExpressCheckout.currentStep = step;
		return false;
	},

	GetSteps: function()
	{
		var steps = Array();
		if(ExpressCheckout.signedIn == 0) {
			steps[steps.length] = 'AccountDetails';
		}
		steps[steps.length] = 'BillingAddress';
		if(!ExpressCheckout.digitalOrder) {
			steps[steps.length] = 'ShippingAddress';
			steps[steps.length] = 'ShippingProvider';
		}
		steps[steps.length] = 'Confirmation';
		steps[steps.length] = 'PaymentDetails';
		return steps;
	},

	CalculateNextStep: function(currentStep) {
		steps = ExpressCheckout.GetSteps();
		var nextStep = '';
		$.each(steps, function(i, step) {
			if(step == currentStep) {
				nextStep = steps[i + 1];
			}
		});

		if(nextStep) {
			return nextStep;
		}
	},

	ChooseBillingAddress: function()
	{
		// Chosen to use a new address?
		if(!$('#BillingAddressTypeExisting:checked').val() || $('#ChooseBillingAddress').css('display') == 'none') {
			// If creating a new account, validate the account fields as well
			if((ExpressCheckout.anonymousCheckout || ExpressCheckout.createAccount) &&
				!ExpressCheckout.ValidateNewAccount(true)) {
					return false;
			}

			if(!ExpressCheckout.ValidateNewAddress('billing')) {
				return false;
			}

			addressType = 'new';
		}
		// An address wasn't selected
		else if($('.SelectBillingAddress select option:selected').val() == -1) {
			alert(lang.ExpressCheckoutChooseBilling);
			$('.SelectBillingAddress select').focus();
			return false;
		}
		else {
			addressType = 'existing';
		}

		createAppend = '';
		if(ExpressCheckout.createAccount) {
			createAppend = '&createAccount=1';
		}

		// ISC-1214: no script issue in webkit browser, with serialized form submission
		$('noscript').remove();

		$.ajax({
			url: 'remote.php',
			type: 'post',
			dataType: 'json',
			data: 'w=saveExpressCheckoutBillingAddress&'
				+ $('#NewBillingAddress').serialize()
				+ '&BillingAddressType=' + addressType
				+ createAppend,
			success: ExpressCheckout.HandleResponse
		});
		return false;
	},

	ChooseShippingAddress: function(copyBilling)
	{
		// Chosen to use a new address?
		if(!$('#ShippingAddressTypeExisting:checked').val() || $('#ChooseShippingAddress').css('display') == 'none') {
			if(!ExpressCheckout.ValidateNewAddress('shipping')) {
				return false;
			}

			addressType = 'new';
		}
		// An address wasn't selected
		else if($('.SelectShippingAddress select option:selected').val() == -1) {
			alert(lang.ExpressCheckoutChooseShipping);
			$('.SelectShippingAddress select').focus();
			return false;
		}
		else {
			addressType = 'existing';
		}

		$.ajax({
			url: 'remote.php',
			type: 'post',
			dataType: 'json',
			data: 'w=saveExpressCheckoutShippingAddress&'
				+$('#NewShippingAddress').serialize()
				+'&ShippingAddressType='+addressType,
			success: ExpressCheckout.HandleResponse
		});
		return false;
	},

	SetBillingAndShippingAddress: function()
	{
		// billing address is pre-selected so update the HTML block content from selected index
		billingAddress = $('.SelectBillingAddress select option:selected').html().substring(0, 58);
		$('#CheckoutStepBillingAddress .ExpressCheckoutCompletedContent').html(billingAddress + '...');
		$('#CheckoutStepBillingAddress').addClass('ExpressCheckoutBlockCompleted');

		// select given shipping address and reset the cart step to ShippingProvider
		ExpressCheckout.ChooseShippingAddress();

		return false;
	},

	ChooseShippingProvider: function()
	{
		// A shipping provider hasn't been selected
		var shippingValid = true;
		$('#CheckoutStepShippingProvider .ShippingProviderList').each(function() {
			if(!$(this).find('input[type=radio]:checked').val()) {
				alert(lang.ExpressCheckoutChooseShipper);
				$(this).find('input[type=radio]').get(0).focus();
				shippingValid = false;
				return false;
			}
		});

		if(shippingValid == false) {
			return false;
		}

		$.ajax({
			url: 'remote.php',
			type: 'post',
			dataType: 'json',
			data: 'w=saveExpressCheckoutShippingProvider&'+$('#CheckoutStepShippingProvider form').serialize(),
			success: ExpressCheckout.HandleResponse
		});
		return false;
	},

	ShowLoadingIndicator: function(step) {
		if(typeof(step) == 'undefined') {
			step = 'body';
		}
		$(step).find('.ExpressCheckoutBlock input[type=submit]').each(function() {
			$(this).attr('oldValue', $(this).val());
			$(this).val(lang.ExpressCheckoutLoading);
			$(this).attr('disabled', true);
		});
		$(step).find('.LoadingIndicator').show();
		$('body').css('cursor', 'wait');
	},

	HideLoadingIndicators: function()
	{
		HideLoadingIndicator();
		$('.ExpressCheckoutBlock input[type=submit]').each(function() {
			if($(this).attr('oldValue') && $(this).attr('disabled') == true) {
				$(this).val($(this).attr('oldValue'));
				$(this).attr('disabled', false);
			}
		});
		$('.LoadingIndicator').hide();
		$('body').css('cursor', 'default');
	},

	LoadOrderConfirmation: function()
	{
		postVars.w = 'expressCheckoutShowConfirmation';
		$.ajax({
			url: 'remote.php',
			type: 'post',
			dataType: 'json',
			data: postVars,
			success: ExpressCheckout.HandleResponse
		});
	},

	HidePaymentForm: function()
	{
		$('#CheckoutStepPaymentDetails').hide();
		$('#CheckoutStepPaymentDetails .ExpressCheckoutContent').html('');
	},

	LoadPaymentForm: function(provider)
	{
		$.ajax({
			url: 'remote.php',
			data: 'w=expressCheckoutLoadPaymentForm&'+$('#CheckoutStepConfirmation form').serialize(),
			dataType: 'json',
			type: 'post',
			success: ExpressCheckout.HandleResponse
		});
	},

	ShowSingleMethodPaymentForm: function()
	{
		$('#CheckoutStepPaymentDetails').show();
		ShowContinueButton();
	},

	ValidateNewAccount: function()
	{
		var password, confirmPassword, formfield = FormField.GetValues(CustomCheckoutFormNewAccount);

		for (var i=0; i<formfield.length; i++) {

			// Check email
			if (formfield[i].privateId == 'EmailAddress') {
				if (ExpressCheckout.validateEmailAddress(formfield[i].value) == false) {
					alert(lang.LoginEnterValidEmail);
					FormField.Focus(formfield[i].field);
					return false;
				}
			}

			if (formfield[i].privateId == 'Password') {
				if(!ExpressCheckout.createAccount) {
					continue;
				}
				password = formfield[i];
			}
			else if(formfield[i].privateId == 'ConfirmPassword') {
				if(!ExpressCheckout.createAccount) {
					continue;
				}
				confirmPassword = formfield[i];
			}

			var rtn = FormField.Validate(formfield[i].field);
			if (!rtn.status) {
				alert(rtn.msg);
				FormField.Focus(formfield[i].field);
				return false;
			}
		}

		// Compare the passwords
		if (ExpressCheckout.createAccount && password && password.value !== confirmPassword.value) {
			alert(lang.AccountPasswordsDontMatch);
			FormField.Focus(confirmPassword.field);
			return false;
		}

		return true;
	},

	BuildAddressLine: function(type)
	{
		var fieldList = {
			'FirstName' : '',
			'LastName' : '',
			'Company' : '',
			'AddressLine1' : '',
			'City' : '',
			'State' : '',
			'Zip' : '',
			'Country' : ''
		};

		if(type == 'billing') {
			var formId = CustomCheckoutFormBillingAddress;
		}
		else {
			var formId = CustomCheckoutFormShippingAddress;
		}

		var formfields = FormField.GetValues(formId);
		var addressLine = '';

		for (var i=0; i<formfields.length; i++) {
			fieldList[formfields[i].privateId] = formfields[i].value;
		}

		for (var i in fieldList) {
			var val = fieldList[i];
			if (val !== '') {
				if(addressLine != '' && i != 'LastName') {
					addressLine += ', ';
				} else if(i == 'LastName') {
					addressLine += ' ';
				}

				addressLine += val;
			}
		};

		return addressLine;
	},

	ValidateNewAddress: function(lowerType, resultOnly)
	{
		if (resultOnly !== true) {
			resultOnly = false;
		}

		if(lowerType == 'billing') {
			var formId = CustomCheckoutFormBillingAddress;
		} else {
			var formId = CustomCheckoutFormShippingAddress;
		}

		var formfields = FormField.GetValues(formId);
		var hasErrors = false;

		for (var i=0; i<formfields.length; i++) {

			var rtn = FormField.Validate(formfields[i].field);

			if (!rtn.status) {
				if (!resultOnly) {
					alert(rtn.msg);
				}

				FormField.Focus(formfields[i].field);
				hasErrors = true;
				return false;
			}
		}

		if(hasErrors == true) {
			return false;
		}
		else {
			return true;
		}
	},

	validateEmailAddress: function(email)
	{
		if(email.indexOf('@') == -1 || email.indexOf('.') == -1) {
			return false;
		}

		return true;

	},

	ToggleAddressType: function(address, type)
	{
		if(type == 'Select') {
			$('.Select'+address+'Address').show();
			$('.Add'+address+'Address').hide();
		}
		else {
			$('.Add'+address+'Address').show();
			$('.Select'+address+'Address').hide();
		}
	},

	ConfirmPaymentProvider: function()
	{
		//if terms and conditions is enabled and the customer didn't tick agree terms and conditions
		if($('.CheckoutHideOrderTermsAndConditions').css('display') != "none" && $('#AgreeTermsAndConditions').prop('checked') != true){
			alert(lang.TickArgeeTermsAndConditions);
			return false;
		}

		if(!confirm_payment_provider()) {
			return false;
		}

		var paymentProvider = '';

		// Get the ID of the selected payment provider
		if($('#use_store_credit').css('display') != "none") {
			if($('#store_credit:checked').val()) {
				if($('#credit_provider_list').css('display') != "none") {
					paymentProvider = $('#credit_provider_list input:checked');
				}
			}
			else {
				paymentProvider = $('#provider_list input:checked');
			}
		}
		else {
			paymentProvider = $('#provider_list input:checked');
		}

		if(paymentProvider != '' && $(paymentProvider).hasClass('ProviderHasPaymentForm')) {
			var providerName = $('.ProviderName'+paymentProvider.val()).html();
			$('#CheckoutStepConfirmation .ExpressCheckoutCompletedContent').html(providerName);
			ExpressCheckout.LoadPaymentForm($(paymentProvider).val());
			return false;
		}
		else {
			ExpressCheckout.HidePaymentForm();
			return true;
		}
	},

	ApplyCouponCode: function()
	{
		if($('#couponcode').val() == '') {
			alert(lang.EnterCouponCode);
			$('#couponcode').focus();
			return false;
		}

		// Reload the order confirmation
		$.ajax({
			url: 'remote.php',
			data: 'w=getExpressCheckoutConfirmation&'+$('#CheckoutStepConfirmation form').serialize(),
			dataType: 'json',
			type: 'post',
			success: ExpressCheckout.HandleResponse
		});

		return false;
	},

	UncheckPaymentProvider: function()
	{
		$('#provider_list input').each(function() {
			$(this).attr('checked', false);
		});
	}
};