<?php

declare(strict_types=1);

namespace Opencart\Catalog\Controller\Extension\PayAnyWay\Payment;

use Opencart\Catalog\Model\Account\Customer as ModelAccountCustomer;
use Opencart\Catalog\Model\Account\Order as ModelAccountOrder;
use Opencart\Catalog\Model\Checkout\Order as ModelCheckoutOrder;
use Opencart\System\Engine\Config;
use Opencart\System\Engine\Loader;
use Opencart\System\Library\Cart\Currency;
use Opencart\System\Library\Cart\Customer;
use Opencart\System\Library\Document;
use Opencart\System\Library\Language;
use Opencart\System\Library\Request;
use Opencart\System\Library\Response;
use Opencart\System\Library\Session;
use Opencart\System\Library\Url;

require_once DIR_EXTENSION . '/payanyway/catalog/library/payanyway/traits/payanyway.php';

/**
 * @property Config $config
 * @property Loader $load
 * @property Request $request
 * @property Response $response
 * @property Document $document
 * @property Session $session
 * @property Language $language
 * @property Url $url
 * @property Currency $currency
 * @property ModelCheckoutOrder $model_checkout_order
 * @property ModelAccountOrder $model_account_order
 * @property ModelAccountCustomer $model_account_customer
 * @property Customer $customer
 */

class PayAnyWay extends \Opencart\System\Engine\Controller
{
	use \Opencart\Catalog\Library\Extension\PayAnyWay\Traits\PayAnyWay;

	private const PAYMENT_SERVER_PROD = 'prod';
	private const PAYMENT_URL_PROD = 'https://www.payanyway.ru/assistant.htm';
	private const PAYMENT_URL_DEMO = 'https://demo.moneta.ru/assistant.htm';

	public const DESCRIPTION_MAX_LENGTH = 500;

	private int $mntId;
	private string $integrityCode;
	private string $server;
	private string $vatRate;
	private string $currency;
	private int $pendingOrderStatusId;
	private int $successOrderStatusId;
	private int $errorOrderStatusId;
	private int $geoZoneId;
	private int $sortOrder;
	private string $cmsModuleVersion;

	private array $orderInfo;
	private ?int $orderId;

	public function __construct(\Opencart\System\Engine\Registry $registry)
	{
		parent::__construct($registry);

		if (!$this->validateOrder()) {
			$this->response->redirect($this->url->link('account/login', '', true));
		}

		$this->initializeModule();
	}

	/**
	 * @throws \Exception
	 */
	public function index(): string
	{
		$this->load->language('extension/payanyway/payment/payanyway');
		$this->document->setTitle($this->language->get('heading_title'));

		$data['action'] = (self::PAYMENT_SERVER_PROD === $this->server)
			? self::PAYMENT_URL_PROD
			: self::PAYMENT_URL_DEMO;

		$data['MNT_ID'] = $this->mntId;
		$data['MNT_TRANSACTION_ID'] = $this->createTransactionId($this->orderId);
		$data['MNT_AMOUNT'] = $this->formatPrice((float)($this->orderInfo['total'] ?? 0));
		$data['MNT_CURRENCY_CODE'] = $this->currency;
		$data['MNT_TEST_MODE'] = '0';
		$data['MNT_DESCRIPTION'] = $this->getDescription();
		$data['MNT_SUBSCRIBER_ID'] = $this->getSubscriberId();

		$signature = md5(
			$data['MNT_ID'] .
			$data['MNT_TRANSACTION_ID'] .
			$data['MNT_AMOUNT'] .
			$data['MNT_CURRENCY_CODE'] .
			$data['MNT_SUBSCRIBER_ID'] .
			$data['MNT_TEST_MODE'] .
			$this->integrityCode,
		);
		$data['MNT_SIGNATURE'] = $signature;
		$customerToken = $this->session->data['customer_token'];
		$data['MNT_SUCCESS_URL'] = $this->url->link('extension/payanyway/payment/payanyway.success', 'customer_token=' . $customerToken, true);
		$data['MNT_FAIL_URL'] = $this->url->link('extension/payanyway/payment/payanyway.fail', 'customer_token=' . $customerToken, true);
		$data['MNT_RETURN_URL'] = $this->url->link('checkout/checkout', 'customer_token=' . $customerToken, true);
		$data['moneta_locale'] = $this->language->get('text_locale');
		$data['MNT_CMS'] = $this->cmsModuleVersion;

		$data['btn_confirm'] = $this->language->get('text_paw_pay');

		$data['confirm_url'] = $this->url->link('extension/payanyway/payment/payanyway.confirm', 'customer_token=' . $customerToken, true,);

		return $this->load->view('extension/payanyway/payment/payanyway', $data);
	}

	public function confirm(): void
	{
		$this->load->language('extension/payanyway/payment/payanyway');

		$orderStatusId = isset($this->orderInfo['order_status_id']) ? (int)$this->orderInfo['order_status_id'] : null;
		if ((null !== $orderStatusId) && ($orderStatusId !== $this->successOrderStatusId)) {
			$this->addOrderHistory($this->orderId, $this->pendingOrderStatusId, $this->language->get('text_order_confirmed'),);
		}

		$json['success'] = true;

		$this->response->addHeader('Content-Type: application/json');
		$this->response->setOutput(json_encode($json));
	}

	public function success(): void
	{
		$this->load->language('extension/payanyway/payment/payanyway');

		$orderStatusId = isset($this->orderInfo['order_status_id']) ? (int)$this->orderInfo['order_status_id'] : null;
		if ((null !== $orderStatusId) && ($orderStatusId !== $this->successOrderStatusId)) {
			$this->addOrderHistory($this->orderId, $this->pendingOrderStatusId, $this->language->get('text_payment_processing'));
		}

		$customerToken = $this->request->get['customer_token'] ?? '';

		$this->response->redirect($this->url->link('checkout/success', 'customer_token=' . $customerToken, true));
	}

	public function fail(): void
	{
		$this->load->language('extension/payanyway/payment/payanyway');

		$orderStatusId = isset($this->orderInfo['order_status_id']) ? (int)$this->orderInfo['order_status_id'] : null;
		if ((null !== $orderStatusId) && ($orderStatusId !== $this->successOrderStatusId)) {
			$this->addOrderHistory($this->orderId, $this->errorOrderStatusId, $this->language->get('text_payment_error'));
		}

		$this->response->redirect($this->url->link('checkout/failure', '', true));
	}

	private function getDescription(): string
	{
		$orderId = $this->orderInfo['order_id'] ?? null;
		$description = "Оплата заказа" . (!empty($orderId) ? " №{$orderId}" : '');

		$name = $this->getClientName();
		if (null !== $name) {
			$description .= " от {$name}";
		}

		$comment = $this->orderInfo['comment'] ?? '';
		if ('' !== $comment) {
			$description .= ': ' . htmlspecialchars($comment, ENT_QUOTES, 'UTF-8');
		}

		return $this->validateString($description, self::DESCRIPTION_MAX_LENGTH);
	}

	private function getSubscriberId(): string
	{
		return $this->getClientEmail() ?? $this->getClientPhone() ?? '';
	}
}