<?php
/**
 * 2007-2016 PrestaShop
 *
 * thirty bees is an extension to the PrestaShop e-commerce software developed by PrestaShop SA
 * Copyright (C) 2017-2018 thirty bees
 *
 * 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@thirtybees.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 https://www.thirtybees.com for more information.
 *
 *  @author    thirty bees <contact@thirtybees.com>
 *  @author    PrestaShop SA <contact@prestashop.com>
 *  @copyright 2017-2018 thirty bees
 *  @copyright 2007-2016 PrestaShop SA
 *  @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 *  PrestaShop is an internationally registered trademark & property of PrestaShop SA
 */

/**
 * Class AuthControllerCore
 */
class AuthControllerCore extends FrontController
{
    /** @var bool $ssl */
    public $ssl = true;
    /** @var string $php_self */
    public $php_self = 'authentication';
    /** @var bool $auth */
    public $auth = false;
    /** @var bool create_account */
    protected $create_account;
    /** @var int $id_country */
    protected $id_country;

    /**
     * Initialize auth controller
     * @throws PrestaShopDatabaseException
     * @throws PrestaShopException
     * @throws SmartyException
     * @throws SmartyException
     * @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
     * @throws PrestaShopException
     * @see FrontController::setMedia()
     */
    public function setMedia()
    {
        parent::setMedia();
        if (!$this->useMobileTheme()) {
            $this->addCSS(_THEME_CSS_DIR_.'authentication.css');
        }
        $this->addJqueryPlugin('typewatch');
        $this->addJS(
            [
                _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
     *
     * @throws PrestaShopException
     * @throws SmartyException
     * @see FrontController::displayAjax()
     */
    public function displayAjax()
    {
        $this->display();
    }

    /**
     * Assign template vars related to page content
     * @throws PrestaShopDatabaseException
     * @throws PrestaShopException
     * @throws SmartyException
     * @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');
        $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(
                [
                    '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(
            [
                'HOOK_CREATE_ACCOUNT_FORM' => Hook::displayHook('displayCustomerAccountForm'),
                'HOOK_CREATE_ACCOUNT_TOP'  => Hook::displayHook('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(
                [
                    'PS_REGISTRATION_PROCESS_TYPE' => Configuration::get('PS_REGISTRATION_PROCESS_TYPE'),
                    'genders'                      => Gender::getGenders(),
                ]
            );

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

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

        $this->context->smarty->assign(
            [
                '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
     *
     * @throws PrestaShopException
     */
    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(
            [
                '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
     *
     * @throws PrestaShopException
     */
    protected function assignAddressFormat()
    {
        if (Module::isInstalled('vatnumber')
            && Module::isEnabled('vatnumber')
            && file_exists(_PS_MODULE_DIR_.'vatnumber/vatnumber.php')) {
            include_once _PS_MODULE_DIR_.'vatnumber/vatnumber.php';

            if (method_exists('VatNumber', 'adjustAddressForLayout')) {
                VatNumber::assignTemplateVars($this->context);
            }
        }

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

    /**
     * Start forms process
     * @throws PrestaShopException
     * @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
     *
     * @throws PrestaShopException
     */
    protected function processSubmitLogin()
    {
        Hook::triggerEvent('actionBeforeAuthentication');
        $passwd = trim(Tools::getValue('passwd'));
        $_POST['passwd'] = null;
        $email = Tools::convertEmailToIdn(trim(Tools::getValue('email')));
        if (empty($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) && $idCart = (int) Cart::lastNoneOrderedCart($this->context->customer->id)) {
                    $this->context->cart = new Cart($idCart);
                } else {
                    $idCarrier = (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 ($this->ajax && isset($idCarrier) && $idCarrier && Configuration::get('PS_ORDER_PROCESS_TYPE')) {
                    $deliveryOption = [$this->context->cart->id_address_delivery => $idCarrier.','];
                    $this->context->cart->setDeliveryOption($deliveryOption);
                }

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

                Hook::triggerEvent('actionAuthentication', ['customer' => $this->context->customer]);

                // 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', 'my-account');

                    if ($back == Tools::secureReferrer($back)) {
                        Tools::redirect(html_entity_decode($back));
                    }

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

    /**
     * Process the newsletter settings and set the customer infos.
     * At this point, the email has been validated.
     *
     * @param Customer $customer Reference on the customer Object.
     *
     * @throws PrestaShopDatabaseException
     * @throws PrestaShopException
     */
    protected function processCustomerNewsletter(&$customer)
    {
        $blocknewsletter = Module::isInstalled('blocknewsletter');
        $moduleNewsletter = Module::getInstanceByName('blocknewsletter');
        if ($blocknewsletter && $moduleNewsletter->active && !Tools::getValue('newsletter')) {
            require_once _PS_MODULE_DIR_.'blocknewsletter/blocknewsletter.php';
            if (method_exists($moduleNewsletter, 'isNewsletterRegistered') && $moduleNewsletter->isNewsletterRegistered(Tools::convertEmailToIdn(Tools::getValue('email'))) == Blocknewsletter::GUEST_REGISTERED) {
                /* Force newsletter registration as customer as already registred as guest */
                $_POST['newsletter'] = true;
            }
        }

        if (Tools::getValue('newsletter')) {
            $customer->newsletter = true;
            $customer->ip_registration_newsletter = pSQL(Tools::getRemoteAddr());
            $customer->newsletter_date_add = pSQL(date('Y-m-d H:i:s'));
            /** @var Blocknewsletter $moduleNewsletter */
            if ($blocknewsletter && $moduleNewsletter->active) {
                $moduleNewsletter->confirmSubscription(Tools::convertEmailToIdn(Tools::getValue('email')));
            }
        }
    }

    /**
     * Process submit on an account
     *
     * @throws PrestaShopException
     */
    protected function processSubmitAccount()
    {
        Hook::triggerEvent('actionBeforeSubmitAccount');
        $this->create_account = true;
        if (Tools::isSubmit('submitAccount')) {
            $this->context->smarty->assign('email_create', 1);
        }

        // is this a guest account?
        $isGuestAccount = !Tools::getValue('is_new_customer', 1);

        // New Guest customer
        if ($isGuestAccount) {
            if (!Configuration::get('PS_GUEST_CHECKOUT_ENABLED')) {
                $this->errors[] = Tools::displayError('You cannot create a guest account.');
            }
            $_POST['passwd'] = md5(time()._COOKIE_KEY_);
        }
        if ($guestEmail = Tools::convertEmailToIdn(Tools::getValue('guest_email'))) {
            $_POST['email'] = $guestEmail;
        }

        // Checked the user address in case he changed his email address
        $email = Tools::convertEmailToIdn(Tools::getValue('email'));
        if ($email && Validate::isEmail($email)) {
            if (!$isGuestAccount && 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);
        $addressesTypes = ['address'];
        if (!Configuration::get('PS_ORDER_PROCESS_TYPE') && Configuration::get('PS_GUEST_CHECKOUT_ENABLED') && Tools::getValue('invoice_address')) {
            $addressesTypes[] = 'address_invoice';
        }

        $errorPhone = false;
        if (Configuration::get('PS_ONE_PHONE_AT_LEAST')) {
            if (Tools::isSubmit('submitGuestAccount') || $isGuestAccount) {
                if (!Tools::getValue('phone') && !Tools::getValue('phone_mobile')) {
                    $errorPhone = 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'))) {
                $errorPhone = true;
            }
        }

        if ($errorPhone) {
            $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') && !Tools::isSubmit('submitGuestAccount')) {
            if (!count($this->errors)) {
                $this->processCustomerNewsletter($customer);

                $customer->firstname = Tools::ucwords($customer->firstname);
                $customer->birthday = $this->getBirthDate();

                // New Guest customer
                $customer->is_guest = $isGuestAccount;
                $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::triggerEvent(
                            'actionCustomerAccountAdd',
                            [
                                '_POST'       => $_POST,
                                'newCustomer' => $customer,
                            ]
                        );
                        if ($this->ajax) {
                            $return = [
                                'hasError'            => !empty($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),
                            ];
                            $this->ajaxDie(json_encode($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) {
                            $multi = Tools::getIntValue('multi-shipping');
                            Tools::redirect('index.php?controller=order'.($multi ? '&multi-shipping='.$multi : ''));
                        } else {
                            // else : redirection to the account
                            Tools::redirect('index.php?controller='.(($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;
            $postBack = $_POST;
            // Preparing addresses
            foreach ($addressesTypes as $addressType) {
                $address = new Address();
                $address->id_customer = 1;
                if ($addressType == 'address_invoice') {
                    $addressInvoice = $address;
                } else {
                    $addressDelivery = $address;
                }

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

                $this->errors = array_unique(array_merge($this->errors, $address->validateController()));
                if ($addressType == 'address_invoice') {
                    $_POST = $postBack;
                }

                if (!($country = new Country($address->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 = $address->postcode;
                /* Check zip code format */
                if ($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) {
                    $address->dni = null;
                }

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

        if (!count($this->errors)) {
            $this->processCustomerNewsletter($customer);
            $customer->birthday = $this->getBirthDate();

            if (!count($this->errors)) {
                $customer->active = 1;
                $customer->is_guest = $isGuestAccount;
                if (!$customer->add()) {
                    $this->errors[] = Tools::displayError('An error occurred while creating your account.');
                } else {
                    foreach ($addressesTypes as $addressType) {
                        if ($addressType == 'address_invoice') {
                            if (!isset($addressInvoice)) {
                                continue;
                            }
                            $address = $addressInvoice;
                        } else {
                            if (!isset($addressDelivery)) {
                                continue;
                            }
                            $address = $addressDelivery;
                        }

                        $address->id_customer = (int) $customer->id;
                        if ($addressType == 'address_invoice') {
                            foreach ($_POST as $key => &$post) {
                                if ($tmp = Tools::getValue($key.'_invoice')) {
                                    $post = $tmp;
                                }
                            }
                        }

                        $this->errors = array_unique(array_merge($this->errors, $address->validateController()));
                        if ($addressType == 'address_invoice') {
                            if (isset($postBack)) {
                                $_POST = $postBack;
                            }
                        }
                        if (!count($this->errors) && (Configuration::get('PS_REGISTRATION_PROCESS_TYPE') || $this->ajax || Tools::isSubmit('submitGuestAccount')) && !$address->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
                            $customer->addGroups([(int) Configuration::get('PS_CUSTOMER_GROUP')]);
                            if (!$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([(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) $customer->id);
                        if (isset($addressInvoice) && Validate::isLoadedObject($addressInvoice)) {
                            $this->context->cart->id_address_invoice = (int) $addressInvoice->id;
                        }

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

                        // 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::triggerEvent(
                            'actionCustomerAccountAdd',
                            [
                                '_POST'       => $_POST,
                                'newCustomer' => $customer,
                            ]
                        );
                        if ($this->ajax) {
                            $return = [
                                'hasError'            => !empty($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),
                            ];
                            $this->ajaxDie(json_encode($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 = Tools::getIntValue('multi-shipping')) ? '&multi-shipping='.$multi : ''));
                        } else {
                            // else : redirection to the account
                            Tools::redirect('index.php?controller='.(($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 ($isGuestAccount) {
                unset($_POST['passwd']);
            }
            if ($this->ajax) {
                $return = [
                    'hasError'    => !empty($this->errors),
                    'errors'      => $this->errors,
                    'isSaved'     => false,
                    'id_customer' => 0,
                ];
                $this->ajaxDie(json_encode($return));
            }
            $this->context->smarty->assign('account_error', $this->errors);
        }
    }

    /**
     * Process submit on a creation
     *
     * @throws PrestaShopException
     */
    protected function processSubmitCreate()
    {
        if (!Validate::isEmail($email = Tools::convertEmailToIdn(trim(Tools::getValue('email_create')))) || empty($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);
            $_POST['email'] = Tools::convertEmailToIdn(trim(Tools::getValue('email_create')));
            unset($_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
     *
     * @throws PrestaShopException
     */
    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
     *
     * @throws PrestaShopException
     */
    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!'),
            [
                '{firstname}' => $customer->firstname,
                '{lastname}'  => $customer->lastname,
                '{email}'     => $customer->email,
                '{passwd}'    => '*******',
            ],
            $customer->email,
            $customer->firstname.' '.$customer->lastname
        );
    }

    /**
     * @return string | null
     */
    protected function getBirthDate()
    {
        $years = Tools::getValue('years');
        $months = Tools::getValue('months');
        $days = Tools::getValue('days');
        if ($years || $months || $days) {
            $birthday = (int)$years . '-' . (int)$months . '-' . (int)$days;
            if (!Validate::isBirthDate($birthday)) {
                $this->errors[] = Tools::displayError('Invalid date of birth.');
            }
            return $birthday;
        }
        return null;
    }
}
