<?php

namespace Swissup\CheckoutRegistration\Model;

use Magento\Framework\Exception\StateException;

class RequestProcessor
{
/**
* @var \Magento\Customer\Api\AccountManagementInterface
*/
private $accountManagement;

/**
* @var \Magento\Customer\Model\Session
*/
private $customerSession;

/**
* @var \Swissup\CheckoutRegistration\Helper\Data
*/
public $helper;

/**
* @param \Magento\Customer\Api\AccountManagementInterface $accountManagement
* @param \Magento\Customer\Model\Session $customerSession
* @param \Swissup\CheckoutRegistration\Helper\Data $helper
*/
public function __construct(
\Magento\Customer\Api\AccountManagementInterface $accountManagement,
\Magento\Customer\Model\Session $customerSession,
\Swissup\CheckoutRegistration\Helper\Data $helper
) {
$this->accountManagement = $accountManagement;
$this->customerSession = $customerSession;
$this->helper = $helper;
}

/**
* @param \Magento\Checkout\Api\Data\ShippingInformationInterface $addressInformation
* @return void
*/
public function processShippingRequest(
\Magento\Checkout\Api\Data\ShippingInformationInterface $addressInformation
) {
$this->process($addressInformation->getExtensionAttributes());
}

/**
* @param \Magento\Quote\Api\Data\PaymentInterface $paymentMethod
* @return void
*/
public function processPaymentRequest(
\Magento\Quote\Api\Data\PaymentInterface $paymentMethod
) {
$this->process($paymentMethod->getExtensionAttributes());
}

/**
* @param mixed $attributes
* @return void
*/
private function process($attributes)
{
$this->customerSession->unsRegistrationPasswordHash();

if ($this->customerSession->isLoggedIn()) {
return;
}

if (!$this->helper->isRegistrationPasswordAllowed()) {
return;
}

if (!$this->validateAttributes($attributes)) {
return;
}

$this->customerSession->setRegistrationPasswordHash(
$this->accountManagement->getPasswordHash(
(string) $attributes->getRegistrationPassword()
)
);
}

/**
* @param mixed $attributes
* @return void
* @throws \Exception
*/
private function validateAttributes($attributes)
{
$isRegistrationRequired = $this->helper->isRegistrationRequired();

if (!$attributes) {
if ($isRegistrationRequired) {
throw new StateException(__('%fieldName is a required field.', [
'fieldName' => __('Password'),
]));
}
return false;
}

if (!$isRegistrationRequired && !$attributes->getRegistrationCheckboxState()) {
return false;
}

$password = (string) $attributes->getRegistrationPassword();
if (!$password) {
throw new StateException(__('%fieldName is a required field.', [
'fieldName' => __('Password'),
]));
}

$passwordConfirmation = (string) $attributes->getRegistrationPasswordConfirmation();
if (strcmp($password, $passwordConfirmation) !== 0) {
throw new StateException(__("Password confirmation doesn't match entered password."));
}

return true;
}
}