<?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 PrestaShop\Module\PsAccounts\Account\Command\CreateIdentityCommand;
use PrestaShop\Module\PsAccounts\Account\Command\VerifyIdentityCommand;
use PrestaShop\Module\PsAccounts\Account\Exception\RefreshTokenException;
use PrestaShop\Module\PsAccounts\Account\Exception\UnknownStatusException;
use PrestaShop\Module\PsAccounts\Account\StatusManager;
use PrestaShop\Module\PsAccounts\Cqrs\CommandBus;
use PrestaShop\Module\PsAccounts\Provider\ShopProvider;
use PrestaShop\Module\PsAccounts\Service\Accounts\AccountsException;
use PrestaShop\Module\PsAccounts\Service\Accounts\AccountsService;
use PrestaShop\Module\PsAccounts\Service\OAuth2\OAuth2Client;

class CreateIdentityHandler
{
    /**
     * @var AccountsService
     */
    private $accountsService;

    /**
     * @var OAuth2Client
     */
    private $oAuth2Client;

    /**
     * @var ShopProvider
     */
    private $shopProvider;

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

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

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

    /**
     * @param CreateIdentityCommand $command
     *
     * @return void
     *
     * @throws RefreshTokenException
     * @throws UnknownStatusException
     * @throws AccountsException
     */
    public function handle(CreateIdentityCommand $command)
    {
        if ($command->renew || !$this->isAlreadyCreated()) {
            $shopId = $command->shopId;

            $identityCreated = $this->accountsService
                ->withSource($command->source)
                ->withOrigin($command->origin)
                ->createShopIdentity(
                    $this->shopProvider->getUrl($shopId),
                    $this->shopProvider->getName($shopId)
                );
            $this->oAuth2Client->update(
                $identityCreated->clientId,
                $identityCreated->clientSecret
            );
            $this->statusManager->setCloudShopId($identityCreated->cloudShopId);
            $this->statusManager->setIsVerified(false);
            $this->statusManager->invalidateCache();

            $this->commandBus->handle(
                (new VerifyIdentityCommand($shopId, true))
                    ->withOrigin($command->origin)
                    ->withSource($command->source)
            );
        } else {
            $this->commandBus->handle(
                (new VerifyIdentityCommand($command->shopId))
                    ->withOrigin($command->origin)
                    ->withSource($command->source)
            );
        }
    }

    /**
     * Idempotency check
     *
     * @return bool
     */
    private function isAlreadyCreated()
    {
        // FIXME: define where this code belongs
        return $this->oAuth2Client->exists() && $this->statusManager->identityCreated();
    }
}