<?php

declare(strict_types=1);


/**
 * Circles - Bring cloud-users closer together.
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Maxence Lange <maxence@artificial-owl.com>
 * @copyright 2021
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Circles\Service;

use OCA\Circles\Exceptions\CircleNotFoundException;
use OCA\Circles\Exceptions\FederatedEventDSyncException;
use OCA\Circles\Exceptions\FederatedEventException;
use OCA\Circles\Exceptions\FederatedItemException;
use OCA\Circles\Exceptions\FederatedShareAlreadyLockedException;
use OCA\Circles\Exceptions\InitiatorNotConfirmedException;
use OCA\Circles\Exceptions\InitiatorNotFoundException;
use OCA\Circles\Exceptions\OwnerNotFoundException;
use OCA\Circles\Exceptions\RemoteNotFoundException;
use OCA\Circles\Exceptions\RemoteResourceNotFoundException;
use OCA\Circles\Exceptions\UnknownRemoteException;
use OCA\Circles\FederatedItems\ItemLock;
use OCA\Circles\Model\Federated\FederatedEvent;
use OCA\Circles\Model\Federated\FederatedShare;
use OCA\Circles\Tools\ActivityPub\NCSignature;
use OCA\Circles\Tools\Exceptions\InvalidItemException;
use OCA\Circles\Tools\Exceptions\RequestNetworkException;
use OCA\Circles\Tools\Exceptions\SignatoryException;
use OCA\Circles\Tools\Exceptions\UnknownTypeException;

/**
 * Class FederatedShareService
 *
 * @package OCA\Circles\Service
 */
class FederatedShareService extends NCSignature {
	/** @var FederatedEventService */
	private $federatedEventService;

	/** @var CircleService */
	private $circleService;


	/**
	 * FederatedEventService constructor.
	 *
	 * @param FederatedEventService $federatedEventService
	 * @param CircleService $circleService
	 */
	public function __construct(FederatedEventService $federatedEventService, CircleService $circleService) {
		$this->federatedEventService = $federatedEventService;
		$this->circleService = $circleService;
	}


	/**
	 * @param string $circleId
	 * @param string $itemId
	 *
	 * @return FederatedShare
	 * @throws FederatedEventDSyncException
	 * @throws FederatedEventException
	 * @throws FederatedItemException
	 * @throws FederatedShareAlreadyLockedException
	 * @throws InitiatorNotConfirmedException
	 * @throws InvalidItemException
	 * @throws OwnerNotFoundException
	 * @throws RemoteNotFoundException
	 * @throws RemoteResourceNotFoundException
	 * @throws RequestNetworkException
	 * @throws SignatoryException
	 * @throws UnknownRemoteException
	 * @throws UnknownTypeException
	 * @throws CircleNotFoundException
	 * @throws InitiatorNotFoundException
	 */
	public function lockItem(string $circleId, string $itemId): FederatedShare {
		$circle = $this->circleService->getCircle($circleId);

		$event = new FederatedEvent(ItemLock::class);
		$event->setCircle($circle);
		$event->getData()->s('itemId', $itemId);
		$data = $this->federatedEventService->newEvent($event);

		/** @var FederatedShare $share */
		$share = $data->gObj('federatedShare', FederatedShare::class);
		if ($share->getLockStatus() === ItemLock::STATUS_INSTANCE_LOCKED) {
			throw new FederatedShareAlreadyLockedException('item already locked by ' . $share->getInstance());
		}

		return $share;
	}
}