<?php

declare(strict_types=1);

namespace KupShop\AgeVerifyBundle\Utils;

use KupShop\AdminBundle\Util\ActivityLog;
use KupShop\AgeVerifyBundle\Exception\VeriFaceException;
use KupShop\GraphQLBundle\EventListener\JsShopRefreshListener;
use KupShop\KupShopBundle\Context\DomainContext;
use KupShop\KupShopBundle\Context\UserContext;
use Query\Operator;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Contracts\Service\Attribute\Required;
use veriface\Dto\IndicatorDto;
use veriface\VeriFace;

class VerifaceUtil
{
    protected ?VeriFace $veriFace = null;
    #[Required]
    public AgeVerifyUtil $ageVerifyUtil;
    #[Required]
    public DomainContext $domainContext;
    #[Required]
    public UserContext $userContext;
    #[Required]
    public SessionInterface $session;

    public const MESSAGE = 'Veriface - Ověření plnoletosti se nezdařilo.';

    public function __construct()
    {
        $dbcfg = \Settings::getDefault();

        $apiKey = $dbcfg['age_verify']['veriface']['api_key'] ?? false;

        if ($apiKey) {
            $this->veriFace = VeriFace::byApiKey($apiKey);
        }
    }

    protected function getMessage()
    {
        if ($user = $this->userContext->getActive()) {
            return self::MESSAGE.': '.$user->email;
        }

        return self::MESSAGE;
    }

    public function getRedirectUrl(): string
    {
        $this->checkVeriface();

        if (!($email = $this->userContext->getActive()?->email)) {
            $data = $this->session->get('verifaceData');
            $email = $data['email'] ?? '';
        }

        $verification = $this->veriFace->createVerification(type: 'LINK_LONG', referenceId: $email);

        return 'https://app.veriface.eu/?oc='.$verification->openCode.'&redirectUri='.$this->getRedirectUri();
    }

    public function saveData($sessionId, $user = null): bool
    {
        $this->checkVeriface();

        $verification = $this->veriFace->getVerification($sessionId);

        if ($verification === null) {
            $this->ageVerifyUtil->addErrorMessage('Ověření plnoletosti se nezdařilo.');
            addActivityLog(ActivityLog::SEVERITY_WARNING,
                ActivityLog::TYPE_COMMUNICATION,
                $this->getMessage(),
                ['message' => 'Nepodařilo se získat data z Veriface.', 'sessionId' => $sessionId]);

            return false;
        }

        // Pro zalogování
        $status = [
            'verifaceStatus' => $verification->status,
            'endUserStatus' => $verification->verificationEndUserStatus ?? '',
            'sessionId' => $sessionId,
            'documentStatus' => $verification->documentStatus,
            'selfieStatus' => $verification->selfieStatus,
            'livenessCheckStatus' => $verification->livenessCheckStatus,
            'extractedData' => json_encode($verification->extractedData),
        ];

        // Uložení průběhu v čitelnější formě
        foreach ($verification->indicators as $key => $indicator) {
            $status["indicator_{$key}"] = json_encode($indicator);
        }

        // Ověření chcíplo na straně uživatele
        if ($verification->verificationEndUserStatus != 'SUCCESS') {
            $this->ageVerifyUtil->addErrorMessage('Ověření plnoletosti se nezdařilo.');
            $status['message'] = 'Chyba v procesu ověření.';
            addActivityLog(ActivityLog::SEVERITY_WARNING, ActivityLog::TYPE_COMMUNICATION, $this->getMessage(), $status);

            return false;
        }

        $verifaceName = $verification->name;

        if ($verifaceName) {
            $nameParts = explode(' ', $verifaceName);
            $firstname = reset($nameParts);
            $surname = end($nameParts);
            if (str_contains($firstname, '/')) {
                $firstname = explode('/', $firstname)[1];
            }

            if (str_contains($surname, '/')) {
                $surname = explode('/', $surname)[1];
            }

            $verifaceName = "{$firstname} {$surname}";
        }

        $age = array_filter($verification->indicators, function ($dto) {
            return $dto->code == 'document_age.age' && $dto->status == 'OK';
        });

        if (empty($age)) {
            $this->ageVerifyUtil->addErrorMessage('Ověření plnoletosti se nezdařilo.');
            $status['message'] = 'Nepodařilo se získat věk.';
            addActivityLog(ActivityLog::SEVERITY_WARNING, ActivityLog::TYPE_COMMUNICATION, $this->getMessage(), $status);

            return false;
        }

        /** @var IndicatorDto $age */
        $age = reset($age);

        // Registrace z košíku
        if ($data = $this->session->get('verifaceData')) {
            /** @var \User $user */
            $user = sqlGetConnection()->transactional(function () use ($data) {
                $idUser = addUserEmail(email: $data['email'], fields: ['figure' => 'Y', 'phone' => $data['phone']]);

                return \User::createFromId($idUser);
            });

            $user->login(getUserKey());
            $user->updatePassword($data['password']);

            $this->session->remove('verifaceData');
            if (findModule(\Modules::JS_SHOP)) {
                $this->session->set(JsShopRefreshListener::SESSION_NAME, true);
            }

            if ($firstname && $surname) {
                sqlQueryBuilder()->update('users')
                    ->directValues([
                        'name' => ucfirst(mb_strtolower($firstname)),
                        'surname' => ucfirst(mb_strtolower($surname)),
                    ])
                    ->where(Operator::equals(['id' => $user->id]))
                    ->execute();
            }
        } else {
            // Když si nepošlu usera ze shora (webhook) tak zkusím přihlášeného
            if (!$user) {
                $user = $this->userContext->getActive();
            }

            if ($user) {
                $transliterator = \Transliterator::createFromRules(':: Any-Latin; :: Latin-ASCII; :: NFD; :: [:Nonspacing Mark:] Remove; :: Lower(); :: NFC;',
                    \Transliterator::FORWARD);
                $eshopName = "{$user->name} {$user->surname}";
                similar_text($transliterator->transliterate($eshopName), $transliterator->transliterate($verifaceName), $percent);
                if ($percent < 80) {
                    $this->ageVerifyUtil->addErrorMessage('Ověření plnoletosti se nezdařilo: jméno a přijmení se neshoduje s údaji v e-shopu.');
                    $status['message'] = 'Jméno a příjmení v eshopu se neshoduje s údaji z dokladu.';
                    addActivityLog(ActivityLog::SEVERITY_WARNING, ActivityLog::TYPE_COMMUNICATION, $this->getMessage(), $status);

                    return false;
                }
            } else {
                $this->ageVerifyUtil->addErrorMessage('Ověření plnoletosti se nezdařilo.');
                $status['message'] = 'Není přihlašený uživatel.';
                addActivityLog(ActivityLog::SEVERITY_WARNING, ActivityLog::TYPE_COMMUNICATION, $this->getMessage(), $status);

                return false;
            }
        }

        // Plnoletý = 18+ a validní status
        $this->ageVerifyUtil->setVerificationData($age->params >= 18 && in_array($verification->status,
            ['VERIFIED', 'VERIFIED_WARNING', 'VERIFIED_MANUAL']) ? 'Y' : 'N',
            'veriface',
            \DateTime::createFromFormat('d.m.Y', $verification->birthDate)->format('Y-m-d'),
            $user->id);

        return true;
    }

    protected function checkVeriface(): void
    {
        if ($this->veriFace === null) {
            throw new VeriFaceException('Veriface není inicializován. Je vyplněný API klíč?');
        }
    }

    protected function getRedirectUri()
    {
        return "{$this->domainContext->getActiveWithScheme()}/_veriface";
    }
}