<?php

use Firebase\JWT\JWT;
use KupShop\KupShopBundle\Config;

/**
 * Dependencies: `composer require firebase/php-jwt=^5.4.0`
 * Class Quatro.
 */
class Quatro extends Payment
{
    public static $name = 'Quatro';
    public $class = 'Quatro';
    protected $pay_method = Payment::METHOD_INSTALLMENTS;
    protected $templateOrderView = 'payment.Quatro.orderView.tpl';

    public function getCalcUrl(Decimal $price): ?string
    {
        $price = roundPrice($price, -1, 'DB', 0)->asInteger();
        if (empty($this->config['seller']) || $price > 10000 || $price < 100) {
            return null;
        }

        return "https://quatro.vub.sk/kalkulacka/{$this->config['seller']}?cenaTovaru={$price}";
    }

    public function getGatewayUrl(): ?string
    {
        if (empty($this->config['seller'])) {
            return null;
        }

        return "https://quatroapi.vub.sk/stores/{$this->config['seller']}/create-application";
    }

    public function processStep_1()
    {
    }

    public function processStep_2()
    {
        // hack protože natvrdo lepěj ? ke callbacku
        $cn = str_replace('?cn=', '', getVal('h'));
        $id = getVal('id');
        $state = getVal('state');
        $sign = getVal('hmacSign');

        if (hash_hmac('sha1', "cn={$cn}&id={$id}&state={$state}", base64_decode($this->config['key'])) != strtolower($sign) && !isDevelopment()) {
            throw new \KupShop\OrderingBundle\Exception\PaymentException('Chyba ověření podpisu');
        }

        $remainingPayment = roundPrice($this->order->getRemainingPayment())->asFloat();
        if ($remainingPayment > 0.00) {
            if (!$this->getPendingPayment()) {
                $this->createPayment(
                    $id,
                    $remainingPayment,
                    ['paymentClass' => self::class]
                );
            }

            if (getVal('state') == 'signed') {
                $paymentStatus = Payment::STATUS_FINISHED;
            } elseif (getVal('state') == 'canceled') {
                $paymentStatus = Payment::STATUS_STORNO;
            } else {
                $paymentStatus = Payment::STATUS_PENDING;
            }

            // change payment status
            if (!$this->setStatus($paymentStatus, $id)) {
                logError(__FILE__, __LINE__, 'Payment::updatePaymentStatus: setStatus failed!');
                throw new \Exception('Set status failed');
            }
        }
    }

    protected function getSubject()
    {
        $subject = '';
        foreach ($this->order->fetchItems() as $item) {
            if (!$item['id_product']) {
                continue;
            }
            /** @var Product $product */
            $product = $item['product'];
            $subject .= "{$product->fetchSections()[0]->getName()} - {$product->fetchProducer()['name']} - {$product->title},";
        }
        $subject = substr($subject, 0, -1);

        if (strlen($subject) > 250) {
            $subject = substr($subject, 0, 247).'...';
        }

        return $subject;
    }

    public function getPayload()
    {
        $payload = [
            'application' => [
                'orderNumber' => $this->order->order_no,
                'applicant' => [
                    'firstName' => $this->order->invoice_name,
                    'lastName' => $this->order->invoice_surname,
                    'email' => $this->order->invoice_email,
                    'mobile' => $this->order->invoice_phone,
                    'permanentAddress' => [
                        'addressLine' => $this->order->invoice_street,
                        'city' => $this->order->invoice_city,
                        'zipCode' => $this->order->invoice_zip,
                        'country' => $this->order->invoice_country,
                    ],
                ],
                'subject' => $this->getSubject(),
                'totalAmount' => $this->order->total_price->asFloat(),
                'goodsAction' => null,
                'callback' => $this->getGenericPaymentUrl(2, ['h' => '']),
            ],
            'iat' => time(),
        ];
        $jwt = JWT::encode($payload, base64_decode($this->config['key']), 'HS256');

        return $jwt;
    }

    // https://www.kupshop.local/platby/Quatro/1/49698/?cf=2171114784fcbceb29f9b6bdc6f07e48&h=?cn=1000018425&id=0514186c-3eb6-4150-ac31-048eb330507d&state=canceled&hmacSign=95F512D8D7F14A02376A78CE94382A3F2301DA5E

    public function accept($totalPrice, $freeDelivery)
    {
        $totalPrice = $totalPrice->getPriceWithVat()->asFloat();
        if ($totalPrice <= 0 && $this->order) {
            $totalPrice = $this->order->total_price;
        }

        return parent::accept($totalPrice, $freeDelivery) && $totalPrice >= 100 && $totalPrice <= 10000;
    }

    public static function getSettingsConfiguration(): array
    {
        return [
            'fields' => [
                'key' => [
                    'title' => 'Bezpečnostní klíč',
                    'type' => 'text',
                ],
                'seller' => [
                    'title' => 'Kód prodejny',
                    'type' => 'text',
                ],
            ],
        ];
    }

    public function startPayment()
    {
        return false;
    }

    public function hasOnlinePayment()
    {
        return true;
    }

    public static function isEnabled($className)
    {
        $cfg = Config::get();

        if (empty($cfg['Modules']['payments'][$className])) {
            return false;
        }

        return true;
    }
}