<?php
/*
* 2007-2015 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2015 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class AuthControllerCore extends FrontController
{
	public $ssl = true;
	public $php_self = 'authentication';

	/**
	 * @var bool create_account
	 */
	protected $create_account;
	protected $id_country;

	/**
	 * Initialize auth controller
	 * @see FrontController::init()
	 */
	public function init()
	{
		parent::init();

		if (!Tools::getIsset('step') && $this->context->customer->isLogged() && !$this->ajax)
			Tools::redirect('index.php?controller='.(($this->authRedirection !== false) ? urlencode($this->authRedirection) : 'my-account'));

		if (Tools::getValue('create_account'))
			$this->create_account = true;
	}

	/**
	 * Set default medias for this controller
	 * @see FrontController::setMedia()
	 */
	public function setMedia()
	{
		parent::setMedia();
		if (!$this->useMobileTheme())
			$this->addCSS(_THEME_CSS_DIR_.'authentication.css');
		$this->addJqueryPlugin('typewatch');
		$this->addJS(array(
			_THEME_JS_DIR_.'tools/vatManagement.js',
			_THEME_JS_DIR_.'tools/statesManagement.js',
			_THEME_JS_DIR_.'authentication.js',
			_PS_JS_DIR_.'validate.js'
		));
	}

	/**
	 * Run ajax process
	 * @see FrontController::displayAjax()
	 */
	public function displayAjax()
	{
		$this->display();
	}

	/**
	 * Assign template vars related to page content
	 * @see FrontController::initContent()
	 */
	public function initContent()
	{
		parent::initContent();

		$this->context->smarty->assign('genders', Gender::getGenders());

		$this->assignDate();

		$this->assignCountries();

		$newsletter = Configuration::get('PS_CUSTOMER_NWSL') || (Module::isInstalled('blocknewsletter') && Module::getInstanceByName('blocknewsletter')->active);
		$this->context->smarty->assign('newsletter', $newsletter);
		$this->context->smarty->assign('optin', (bool)Configuration::get('PS_CUSTOMER_OPTIN'));

		$back = Tools::getValue('back');
		$key = Tools::safeOutput(Tools::getValue('key'));

		if (!empty($key))
			$back .= (strpos($back, '?') !== false ? '&' : '?').'key='.$key;

		if ($back == Tools::secureReferrer(Tools::getValue('back')))
			$this->context->smarty->assign('back', html_entity_decode($back));
		else
			$this->context->smarty->assign('back', Tools::safeOutput($back));

		if (Tools::getValue('display_guest_checkout'))
		{
			if (Configuration::get('PS_RESTRICT_DELIVERED_COUNTRIES'))
				$countries = Carrier::getDeliveredCountries($this->context->language->id, true, true);
			else
				$countries = Country::getCountries($this->context->language->id, true);

			$this->context->smarty->assign(array(
					'inOrderProcess' => true,
					'PS_GUEST_CHECKOUT_ENABLED' => Configuration::get('PS_GUEST_CHECKOUT_ENABLED'),
					'PS_REGISTRATION_PROCESS_TYPE' => Configuration::get('PS_REGISTRATION_PROCESS_TYPE'),
					'sl_country' => (int)$this->id_country,
					'countries' => $countries
				));
		}

		if (Tools::getValue('create_account'))
			$this->context->smarty->assign('email_create', 1);

		if (Tools::getValue('multi-shipping') == 1)
			$this->context->smarty->assign('multi_shipping', true);
		else
			$this->context->smarty->assign('multi_shipping', false);

		$this->context->smarty->assign('field_required', $this->context->customer->validateFieldsRequiredDatabase());

		$this->assignAddressFormat();

		// Call a hook to display more information on form
		$this->context->smarty->assign(array(
			'HOOK_CREATE_ACCOUNT_FORM' => Hook::exec('displayCustomerAccountForm'),
			'HOOK_CREATE_ACCOUNT_TOP' => Hook::exec('displayCustomerAccountFormTop')
		));

		// Just set $this->template value here in case it's used by Ajax
		$this->setTemplate(_PS_THEME_DIR_.'authentication.tpl');

		if ($this->ajax)
		{
			// Call a hook to display more information on form
			$this->context->smarty->assign(array(
					'PS_REGISTRATION_PROCESS_TYPE' => Configuration::get('PS_REGISTRATION_PROCESS_TYPE'),
					'genders' => Gender::getGenders()
				));

			$return = array(
				'hasError' => !empty($this->errors),
				'errors' => $this->errors,
				'page' => $this->context->smarty->fetch($this->template),
				'token' => Tools::getToken(false)
			);
			$this->ajaxDie(Tools::jsonEncode($return));
		}
	}

	/**
	 * Assign date var to smarty
	 */
	protected function assignDate()
	{
		$selectedYears = (int)(Tools::getValue('years', 0));
		$years = Tools::dateYears();
		$selectedMonths = (int)(Tools::getValue('months', 0));
		$months = Tools::dateMonths();
		$selectedDays = (int)(Tools::getValue('days', 0));
		$days = Tools::dateDays();

		$this->context->smarty->assign(array(
				'one_phone_at_least' => (int)Configuration::get('PS_ONE_PHONE_AT_LEAST'),
				'onr_phone_at_least' => (int)Configuration::get('PS_ONE_PHONE_AT_LEAST'), //retro compat
				'years' => $years,
				'sl_year' => $selectedYears,
				'months' => $months,
				'sl_month' => $selectedMonths,
				'days' => $days,
				'sl_day' => $selectedDays
			));
	}

	/**
	 * Assign countries var to smarty
	 */
	protected function assignCountries()
	{
			$this->id_country = (int)Tools::getCountry();
			if (Configuration::get('PS_RESTRICT_DELIVERED_COUNTRIES'))
				$countries = Carrier::getDeliveredCountries($this->context->language->id, true, true);
			else
				$countries = Country::getCountries($this->context->language->id, true);
			$this->context->smarty->assign(array(
				'countries' => $countries,
				'PS_REGISTRATION_PROCESS_TYPE' => Configuration::get('PS_REGISTRATION_PROCESS_TYPE'),
				'sl_country' => (int)$this->id_country,
				'vat_management' => Configuration::get('VATNUMBER_MANAGEMENT')
			));
	}

	/**
	 * Assign address var to smarty
	 */
	protected function assignAddressFormat()
	{
		$addressItems = array();
		$addressFormat = AddressFormat::getOrderedAddressFields((int)$this->id_country, false, true);
		$requireFormFieldsList = AddressFormat::getFieldsRequired();

		foreach ($addressFormat as $addressline)
			foreach (explode(' ', $addressline) as $addressItem)
				$addressItems[] = trim($addressItem);

		// Add missing require fields for a new user susbscription form
		foreach ($requireFormFieldsList as $fieldName)
			if (!in_array($fieldName, $addressItems))
				$addressItems[] = trim($fieldName);

		foreach (array('inv', 'dlv') as $addressType)
			$this->context->smarty->assign(array(
				$addressType.'_adr_fields' => $addressFormat,
				$addressType.'_all_fields' => $addressItems,
				'required_fields' => $requireFormFieldsList
			));
	}

	/**
	 * Start forms process
	 * @see FrontController::postProcess()
	 */
	public function postProcess()
	{
		if (Tools::isSubmit('SubmitCreate'))
			$this->processSubmitCreate();

		if (Tools::isSubmit('submitAccount') || Tools::isSubmit('submitGuestAccount'))
			$this->processSubmitAccount();

		if (Tools::isSubmit('SubmitLogin'))
			$this->processSubmitLogin();
	}

	/**
	 * Process login
	 */
	protected function processSubmitLogin()
	{
		Hook::exec('actionBeforeAuthentication');
		$passwd = trim(Tools::getValue('passwd'));
		$email = trim(Tools::getValue('email'));
		if (empty($email))
			$this->errors[] = Tools::displayError('An email address required.');
		elseif (!Validate::isEmail($email))
			$this->errors[] = Tools::displayError('Invalid email address.');
		elseif (empty($passwd))
			$this->errors[] = Tools::displayError('Password is required.');
		elseif (!Validate::isPasswd($passwd))
			$this->errors[] = Tools::displayError('Invalid password.');
		else
		{
			$customer = new Customer();
			$authentication = $customer->getByEmail(trim($email), trim($passwd));
			if (isset($authentication->active) && !$authentication->active)
				$this->errors[] = Tools::displayError('Your account isn\'t available at this time, please contact us');
			elseif (!$authentication || !$customer->id)
				$this->errors[] = Tools::displayError('Authentication failed.');
			else
			{
				$this->context->cookie->id_compare = isset($this->context->cookie->id_compare) ? $this->context->cookie->id_compare: CompareProduct::getIdCompareByIdCustomer($customer->id);
				$this->context->cookie->id_customer = (int)($customer->id);
				$this->context->cookie->customer_lastname = $customer->lastname;
				$this->context->cookie->customer_firstname = $customer->firstname;
				$this->context->cookie->logged = 1;
				$customer->logged = 1;
				$this->context->cookie->is_guest = $customer->isGuest();
				$this->context->cookie->passwd = $customer->passwd;
				$this->context->cookie->email = $customer->email;

				// Add customer to the context
				$this->context->customer = $customer;

				if (Configuration::get('PS_CART_FOLLOWING') && (empty($this->context->cookie->id_cart) || Cart::getNbProducts($this->context->cookie->id_cart) == 0) && $id_cart = (int)Cart::lastNoneOrderedCart($this->context->customer->id))
					$this->context->cart = new Cart($id_cart);
				else
				{
					$id_carrier = (int)$this->context->cart->id_carrier;
					$this->context->cart->id_carrier = 0;
					$this->context->cart->setDeliveryOption(null);
					$this->context->cart->id_address_delivery = (int)Address::getFirstCustomerAddressId((int)($customer->id));
					$this->context->cart->id_address_invoice = (int)Address::getFirstCustomerAddressId((int)($customer->id));
				}
				$this->context->cart->id_customer = (int)$customer->id;
				$this->context->cart->secure_key = $customer->secure_key;

				if ($this->ajax && isset($id_carrier) && $id_carrier && Configuration::get('PS_ORDER_PROCESS_TYPE'))
				{
					$delivery_option = array($this->context->cart->id_address_delivery => $id_carrier.',');
					$this->context->cart->setDeliveryOption($delivery_option);
				}

				$this->context->cart->save();
				$this->context->cookie->id_cart = (int)$this->context->cart->id;
				$this->context->cookie->write();
				$this->context->cart->autosetProductAddress();

				Hook::exec('actionAuthentication');

				// Login information have changed, so we check if the cart rules still apply
				CartRule::autoRemoveFromCart($this->context);
				CartRule::autoAddToCart($this->context);

				if (!$this->ajax && $back = Tools::getValue('back'))
				{
					if ($back == Tools::secureReferrer(Tools::getValue('back')))
						Tools::redirect(html_entity_decode($back));

					$back = $back ? $back : 'my-account';
					Tools::redirect('index.php?controller='.(($this->authRedirection !== false) ? urlencode($this->authRedirection) : $back));
				}
			}
		}
		if ($this->ajax)
		{
			$return = array(
				'hasError' => !empty($this->errors),
				'errors' => $this->errors,
				'token' => Tools::getToken(false)
			);
			$this->ajaxDie(Tools::jsonEncode($return));
		}
		else
			$this->context->smarty->assign('authentification_error', $this->errors);

	}

	/**
	 * Process the newsletter settings and set the customer infos.
	 *
	 * @param Customer $customer Reference on the customer Object.
	 *
	 * @note At this point, the email has been validated.
	 */
	protected function processCustomerNewsletter(&$customer)
	{
		if (Tools::getValue('newsletter'))
		{
			$customer->ip_registration_newsletter = pSQL(Tools::getRemoteAddr());
			$customer->newsletter_date_add = pSQL(date('Y-m-d H:i:s'));

			if ($module_newsletter = Module::getInstanceByName('blocknewsletter'))
				if ($module_newsletter->active)
					$module_newsletter->confirmSubscription(Tools::getValue('email'));
		}
	}

	/**
	 * Process submit on an account
	 */
	protected function processSubmitAccount()
	{
		Hook::exec('actionBeforeSubmitAccount');
		$this->create_account = true;
		if (Tools::isSubmit('submitAccount'))
			$this->context->smarty->assign('email_create', 1);
		// New Guest customer
		if (!Tools::getValue('is_new_customer', 1) && !Configuration::get('PS_GUEST_CHECKOUT_ENABLED'))
			$this->errors[] = Tools::displayError('You cannot create a guest account.');
		if (!Tools::getValue('is_new_customer', 1))
			$_POST['passwd'] = md5(time()._COOKIE_KEY_);
		if ($guest_email = Tools::getValue('guest_email'))
			$_POST['email'] = $guest_email;
		// Checked the user address in case he changed his email address
		if (Validate::isEmail($email = Tools::getValue('email')) && !empty($email))
			if (Customer::customerExists($email))
				$this->errors[] = Tools::displayError('An account using this email address has already been registered.', false);
		// Preparing customer
		$customer = new Customer();
		$lastnameAddress = Tools::getValue('lastname');
		$firstnameAddress = Tools::getValue('firstname');
		$_POST['lastname'] = Tools::getValue('customer_lastname', $lastnameAddress);
		$_POST['firstname'] = Tools::getValue('customer_firstname', $firstnameAddress);
		$addresses_types = array('address');
		if (!Configuration::get('PS_ORDER_PROCESS_TYPE') && Configuration::get('PS_GUEST_CHECKOUT_ENABLED') && Tools::getValue('invoice_address'))
			$addresses_types[] = 'address_invoice';

		$error_phone = false;
		if (Configuration::get('PS_ONE_PHONE_AT_LEAST'))
		{
			if (Tools::isSubmit('submitGuestAccount') || !Tools::getValue('is_new_customer'))
			{
				if (!Tools::getValue('phone') && !Tools::getValue('phone_mobile'))
					$error_phone = true;
			}
			elseif (((Configuration::get('PS_REGISTRATION_PROCESS_TYPE') && Configuration::get('PS_ORDER_PROCESS_TYPE'))
					|| (Configuration::get('PS_ORDER_PROCESS_TYPE') && !Tools::getValue('email_create'))
					|| (Configuration::get('PS_REGISTRATION_PROCESS_TYPE') && Tools::getValue('email_create')))
					&& (!Tools::getValue('phone') && !Tools::getValue('phone_mobile')))
				$error_phone = true;
		}

		if ($error_phone)
			$this->errors[] = Tools::displayError('You must register at least one phone number.');

		$this->errors = array_unique(array_merge($this->errors, $customer->validateController()));

		// Check the requires fields which are settings in the BO
		$this->errors = $this->errors + $customer->validateFieldsRequiredDatabase();

		if (!Configuration::get('PS_REGISTRATION_PROCESS_TYPE') && !$this->ajax && !Tools::isSubmit('submitGuestAccount'))
		{
			if (!count($this->errors))
			{
				if (Tools::isSubmit('newsletter'))
					$this->processCustomerNewsletter($customer);

				$customer->firstname = Tools::ucwords($customer->firstname);
				$customer->birthday = (empty($_POST['years']) ? '' : (int)Tools::getValue('years').'-'.(int)Tools::getValue('months').'-'.(int)Tools::getValue('days'));
				if (!Validate::isBirthDate($customer->birthday))
					$this->errors[] = Tools::displayError('Invalid date of birth.');

				// New Guest customer
				$customer->is_guest = (Tools::isSubmit('is_new_customer') ? !Tools::getValue('is_new_customer', 1) : 0);
				$customer->active = 1;

				if (!count($this->errors))
				{
					if ($customer->add())
					{
						if (!$customer->is_guest)
							if (!$this->sendConfirmationMail($customer))
								$this->errors[] = Tools::displayError('The email cannot be sent.');

						$this->updateContext($customer);

						$this->context->cart->update();
						Hook::exec('actionCustomerAccountAdd', array(
								'_POST' => $_POST,
								'newCustomer' => $customer
							));
						if ($this->ajax)
						{
							$return = array(
								'hasError' => !empty($this->errors),
								'errors' => $this->errors,
								'isSaved' => true,
								'id_customer' => (int)$this->context->cookie->id_customer,
								'id_address_delivery' => $this->context->cart->id_address_delivery,
								'id_address_invoice' => $this->context->cart->id_address_invoice,
								'token' => Tools::getToken(false)
							);
							$this->ajaxDie(Tools::jsonEncode($return));
						}

						if (($back = Tools::getValue('back')) && $back == Tools::secureReferrer($back))
							Tools::redirect(html_entity_decode($back));
						// redirection: if cart is not empty : redirection to the cart
						if (count($this->context->cart->getProducts(true)) > 0)
							Tools::redirect('index.php?controller=order'.($multi = (int)Tools::getValue('multi-shipping') ? '&multi-shipping='.$multi : ''));
						// else : redirection to the account
						else
							Tools::redirect('index.php?controller='.(($this->authRedirection !== false) ? urlencode($this->authRedirection) : 'my-account'));
					}
					else
						$this->errors[] = Tools::displayError('An error occurred while creating your account.');
				}
			}

		}
		else // if registration type is in one step, we save the address
		{
			$_POST['lastname'] = $lastnameAddress;
			$_POST['firstname'] = $firstnameAddress;
			$post_back = $_POST;
			// Preparing addresses
			foreach ($addresses_types as $addresses_type)
			{
				$$addresses_type = new Address();
				$$addresses_type->id_customer = 1;

				if ($addresses_type == 'address_invoice')
					foreach ($_POST as $key => &$post)
						if ($tmp = Tools::getValue($key.'_invoice'))
							$post = $tmp;

				$this->errors = array_unique(array_merge($this->errors, $$addresses_type->validateController()));
				if ($addresses_type == 'address_invoice')
					$_POST = $post_back;

				if (!($country = new Country($$addresses_type->id_country)) || !Validate::isLoadedObject($country))
					$this->errors[] = Tools::displayError('Country cannot be loaded with address->id_country');

				if (!$country->active)
					$this->errors[] = Tools::displayError('This country is not active.');

				$postcode = $$addresses_type->postcode;
				/* Check zip code format */
				if ($country->zip_code_format && !$country->checkZipCode($postcode))
					$this->errors[] = sprintf(Tools::displayError('The Zip/Postal code you\'ve entered is invalid. It must follow this format: %s'), str_replace('C', $country->iso_code, str_replace('N', '0', str_replace('L', 'A', $country->zip_code_format))));
				elseif (empty($postcode) && $country->need_zip_code)
					$this->errors[] = Tools::displayError('A Zip / Postal code is required.');
				elseif ($postcode && !Validate::isPostCode($postcode))
					$this->errors[] = Tools::displayError('The Zip / Postal code is invalid.');

				if ($country->need_identification_number && (!Tools::getValue('dni') || !Validate::isDniLite(Tools::getValue('dni'))))
					$this->errors[] = Tools::displayError('The identification number is incorrect or has already been used.');
				elseif (!$country->need_identification_number)
					$$addresses_type->dni = null;

				if (Tools::isSubmit('submitAccount') || Tools::isSubmit('submitGuestAccount'))
					if (!($country = new Country($$addresses_type->id_country, Configuration::get('PS_LANG_DEFAULT'))) || !Validate::isLoadedObject($country))
						$this->errors[] = Tools::displayError('Country is invalid');
				$contains_state = isset($country) && is_object($country) ? (int)$country->contains_states: 0;
				$id_state = isset($$addresses_type) && is_object($$addresses_type) ? (int)$$addresses_type->id_state: 0;
				if ((Tools::isSubmit('submitAccount') || Tools::isSubmit('submitGuestAccount')) && $contains_state && !$id_state)
					$this->errors[] = Tools::displayError('This country requires you to choose a State.');
			}
		}

		if (!@checkdate(Tools::getValue('months'), Tools::getValue('days'), Tools::getValue('years')) && !(Tools::getValue('months') == '' && Tools::getValue('days') == '' && Tools::getValue('years') == ''))
			$this->errors[] = Tools::displayError('Invalid date of birth');

		if (!count($this->errors))
		{
			if (Customer::customerExists(Tools::getValue('email')))
				$this->errors[] = Tools::displayError('An account using this email address has already been registered. Please enter a valid password or request a new one. ', false);
			if (Tools::isSubmit('newsletter'))
				$this->processCustomerNewsletter($customer);

			$customer->birthday = (empty($_POST['years']) ? '' : (int)Tools::getValue('years').'-'.(int)Tools::getValue('months').'-'.(int)Tools::getValue('days'));
			if (!Validate::isBirthDate($customer->birthday))
					$this->errors[] = Tools::displayError('Invalid date of birth');

			if (!count($this->errors))
			{
				$customer->active = 1;
				// New Guest customer
				if (Tools::isSubmit('is_new_customer'))
					$customer->is_guest = !Tools::getValue('is_new_customer', 1);
				else
					$customer->is_guest = 0;
				if (!$customer->add())
					$this->errors[] = Tools::displayError('An error occurred while creating your account.');
				else
				{
					foreach ($addresses_types as $addresses_type)
					{
						$$addresses_type->id_customer = (int)$customer->id;
						if ($addresses_type == 'address_invoice')
							foreach ($_POST as $key => &$post)
								if ($tmp = Tools::getValue($key.'_invoice'))
									$post = $tmp;

						$this->errors = array_unique(array_merge($this->errors, $$addresses_type->validateController()));
						if ($addresses_type == 'address_invoice')
							$_POST = $post_back;
						if (!count($this->errors) && (Configuration::get('PS_REGISTRATION_PROCESS_TYPE') || $this->ajax || Tools::isSubmit('submitGuestAccount')) && !$$addresses_type->add())
							$this->errors[] = Tools::displayError('An error occurred while creating your address.');
					}
					if (!count($this->errors))
					{
						if (!$customer->is_guest)
						{
							$this->context->customer = $customer;
							$customer->cleanGroups();
							// we add the guest customer in the default customer group
							$customer->addGroups(array((int)Configuration::get('PS_CUSTOMER_GROUP')));
							if (!$this->sendConfirmationMail($customer))
								$this->errors[] = Tools::displayError('The email cannot be sent.');
						}
						else
						{
							$customer->cleanGroups();
							// we add the guest customer in the guest customer group
							$customer->addGroups(array((int)Configuration::get('PS_GUEST_GROUP')));
						}
						$this->updateContext($customer);
						$this->context->cart->id_address_delivery = (int)Address::getFirstCustomerAddressId((int)$customer->id);
						$this->context->cart->id_address_invoice = (int)Address::getFirstCustomerAddressId((int)$customer->id);
						if (isset($address_invoice) && Validate::isLoadedObject($address_invoice))
							$this->context->cart->id_address_invoice = (int)$address_invoice->id;

						if ($this->ajax && Configuration::get('PS_ORDER_PROCESS_TYPE'))
						{
							$delivery_option = array((int)$this->context->cart->id_address_delivery => (int)$this->context->cart->id_carrier.',');
							$this->context->cart->setDeliveryOption($delivery_option);
						}

						// If a logged guest logs in as a customer, the cart secure key was already set and needs to be updated
						$this->context->cart->update();

						// Avoid articles without delivery address on the cart
						$this->context->cart->autosetProductAddress();

						Hook::exec('actionCustomerAccountAdd', array(
								'_POST' => $_POST,
								'newCustomer' => $customer
							));
						if ($this->ajax)
						{
							$return = array(
								'hasError' => !empty($this->errors),
								'errors' => $this->errors,
								'isSaved' => true,
								'id_customer' => (int)$this->context->cookie->id_customer,
								'id_address_delivery' => $this->context->cart->id_address_delivery,
								'id_address_invoice' => $this->context->cart->id_address_invoice,
								'token' => Tools::getToken(false)
							);
							$this->ajaxDie(Tools::jsonEncode($return));
						}
						// if registration type is in two steps, we redirect to register address
						if (!Configuration::get('PS_REGISTRATION_PROCESS_TYPE') && !$this->ajax && !Tools::isSubmit('submitGuestAccount'))
							Tools::redirect('index.php?controller=address');

						if (($back = Tools::getValue('back')) && $back == Tools::secureReferrer($back))
							Tools::redirect(html_entity_decode($back));

						// redirection: if cart is not empty : redirection to the cart
						if (count($this->context->cart->getProducts(true)) > 0)
							Tools::redirect('index.php?controller=order'.($multi = (int)Tools::getValue('multi-shipping') ? '&multi-shipping='.$multi : ''));
						// else : redirection to the account
						else
							Tools::redirect('index.php?controller='.(($this->authRedirection !== false) ? urlencode($this->authRedirection) : 'my-account'));
					}
				}
			}
		}

		if (count($this->errors))
		{
			//for retro compatibility to display guest account creation form on authentication page
			if (Tools::getValue('submitGuestAccount'))
				$_GET['display_guest_checkout'] = 1;

			if (!Tools::getValue('is_new_customer'))
				unset($_POST['passwd']);
			if ($this->ajax)
			{
				$return = array(
					'hasError' => !empty($this->errors),
					'errors' => $this->errors,
					'isSaved' => false,
					'id_customer' => 0
				);
				$this->ajaxDie(Tools::jsonEncode($return));
			}
			$this->context->smarty->assign('account_error', $this->errors);
		}
	}

	/**
	 * Process submit on a creation
	 */
	protected function processSubmitCreate()
	{
		if (!Validate::isEmail($email = Tools::getValue('email_create')) || empty($email))
			$this->errors[] = Tools::displayError('Invalid email address.');
		elseif (Customer::customerExists($email))
		{
			$this->errors[] = Tools::displayError('An account using this email address has already been registered. Please enter a valid password or request a new one. ', false);
			$_POST['email'] = Tools::getValue('email_create');
			unset($_POST['email_create']);
		}
		else
		{
			$this->create_account = true;
			$this->context->smarty->assign('email_create', Tools::safeOutput($email));
			$_POST['email'] = $email;
		}
	}

	/**
	 * Update context after customer creation
	 * @param Customer $customer Created customer
	 */
	protected function updateContext(Customer $customer)
	{
		$this->context->customer = $customer;
		$this->context->smarty->assign('confirmation', 1);
		$this->context->cookie->id_customer = (int)$customer->id;
		$this->context->cookie->customer_lastname = $customer->lastname;
		$this->context->cookie->customer_firstname = $customer->firstname;
		$this->context->cookie->passwd = $customer->passwd;
		$this->context->cookie->logged = 1;
		// if register process is in two steps, we display a message to confirm account creation
		if (!Configuration::get('PS_REGISTRATION_PROCESS_TYPE'))
			$this->context->cookie->account_created = 1;
		$customer->logged = 1;
		$this->context->cookie->email = $customer->email;
		$this->context->cookie->is_guest = !Tools::getValue('is_new_customer', 1);
		// Update cart address
		$this->context->cart->secure_key = $customer->secure_key;
	}

	/**
	 * sendConfirmationMail
	 * @param Customer $customer
	 * @return bool
	 */
	protected function sendConfirmationMail(Customer $customer)
	{
		if (!Configuration::get('PS_CUSTOMER_CREATION_EMAIL'))
			return true;

		return Mail::Send(
			$this->context->language->id,
			'account',
			Mail::l('Welcome!'),
			array(
				'{firstname}' => $customer->firstname,
				'{lastname}' => $customer->lastname,
				'{email}' => $customer->email,
				'{passwd}' => Tools::getValue('passwd')),
			$customer->email,
			$customer->firstname.' '.$customer->lastname
		);
	}
}
