<?php

/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License version 3.0
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/AFL-3.0
 * 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@prestashop.com so we can send you a copy immediately.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
 */

namespace PrestaShop\Module\PsAccounts\Account\CommandHandler;

use Exception;
use PrestaShop\Module\PsAccounts\Account\Command\MigrateOrCreateIdentityV8Command;
use PrestaShop\Module\PsAccounts\Account\Command\RestoreIdentityCommand;
use PrestaShop\Module\PsAccounts\Account\Command\VerifyIdentityCommand;
use PrestaShop\Module\PsAccounts\Account\Exception\UnknownStatusException;
use PrestaShop\Module\PsAccounts\Account\StatusManager;
use PrestaShop\Module\PsAccounts\Cqrs\CommandBus;
use PrestaShop\Module\PsAccounts\Log\Logger;
use PrestaShop\Module\PsAccounts\Service\Accounts\Resource\ShopStatus;
use PrestaShop\Module\PsAccounts\Service\OAuth2\OAuth2Client;
use PrestaShop\Module\PsAccounts\Service\UpgradeService;
use Throwable;

class RestoreIdentityHandler
{
    /**
     * @var OAuth2Client
     */
    private $oAuth2Client;

    /**
     * @var StatusManager
     */
    private $statusManager;

    /**
     * @var UpgradeService
     */
    private $upgradeService;

    /**
     * @var CommandBus
     */
    private $commandBus;

    /**
     * @param OAuth2Client $oauth2Client
     * @param StatusManager $shopStatus
     * @param UpgradeService $upgradeService
     * @param CommandBus $commandBus
     */
    public function __construct(
        OAuth2Client $oauth2Client,
        StatusManager $shopStatus,
        UpgradeService $upgradeService,
        CommandBus $commandBus
    ) {
        $this->oAuth2Client = $oauth2Client;
        $this->statusManager = $shopStatus;
        $this->upgradeService = $upgradeService;
        $this->commandBus = $commandBus;
    }

    /**
     * @param RestoreIdentityCommand $command
     *
     * @return void
     *
     * @throws Exception|Throwable
     */
    public function handle(RestoreIdentityCommand $command)
    {
        try {
            $currentStatus = $this->statusManager->getStatus(true);
        } catch (UnknownStatusException $e) {
            $currentStatus = null;
        }

        $registeredVersion = $this->upgradeService->getRegisteredVersion();
        $shopId = $command->shopId ?: \Shop::getContextShopID();

        try {
            $this->statusManager->clearStatus();

            // Update OAuth client
            $this->oAuth2Client->update(
                $command->clientId,
                $command->clientSecret ?: $this->oAuth2Client->getClientSecret()
            );

            // Update cloudShopId
            $this->statusManager->setCloudShopId($command->cloudShopId);

            // Fix version number when not set
            $this->upgradeService->setVersion();

            if ($command->migrate) {
                // this will trigger migration
                $this->upgradeService->setVersion($command->migrateFrom);
            }

            $this->commandBus->handle(
            // FIXME: $cloudShopId (should not be necessary to read it from db)
                (new MigrateOrCreateIdentityV8Command($shopId))
                    ->withOrigin($command->origin)
                    ->withSource($command->source)
            );

            if ($command->verify) {
                // force verify
                $this->commandBus->handle(
                    (new VerifyIdentityCommand($shopId, true))
                        ->withOrigin($command->origin)
                        ->withSource($command->source)
                );
            }
            //$this->statusManager->invalidateCache();
        } catch (Exception $e) {
            $this->handleError($currentStatus, $registeredVersion, $e);
        } catch (Throwable $e) {
            $this->handleError($currentStatus, $registeredVersion, $e);
        }
    }

    /**
     * @param ShopStatus|null $currentStatus
     * @param string $registeredVersion
     * @param Exception|Throwable $e
     *
     * @return void
     *
     * @throws Exception|Throwable
     */
    private function handleError($currentStatus, $registeredVersion, $e)
    {
        if (isset($currentStatus)) {
            $this->statusManager->restoreStatus($currentStatus);
        }
        $this->upgradeService->setVersion($registeredVersion);

        Logger::getInstance()->error($e);

        throw $e;
    }
}