<?php

declare(strict_types=1);
/**
 * @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
 *
 * @author Julius Härtl <jus@bitgrid.net>
 *
 * @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\Text\Controller;

use OCA\Text\Middleware\Attribute\RequireDocumentBaseVersionEtag;
use OCA\Text\Middleware\Attribute\RequireDocumentSession;
use OCA\Text\Service\ApiService;
use OCP\AppFramework\Http\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\Attribute\PublicPage;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\PublicShareController;
use OCP\IRequest;
use OCP\ISession;
use OCP\Share\Exceptions\ShareNotFound;
use OCP\Share\IManager as ShareManager;
use OCP\Share\IShare;

class PublicSessionController extends PublicShareController implements ISessionAwareController {
	use TSessionAwareController;

	private ?IShare $share = null;

	public function __construct(
		string $appName,
		IRequest $request,
		ISession $session,
		private ShareManager $shareManager,
		private ApiService $apiService
	) {
		parent::__construct($appName, $request, $session);
	}

	private function getShare(): IShare {
		if ($this->share === null) {
			throw new \Exception('Share has not been set yet');
		}

		return $this->share;
	}

	protected function getPasswordHash(): ?string {
		return $this->getShare()->getPassword();
	}

	public function isValidToken(): bool {
		try {
			$this->share = $this->shareManager->getShareByToken($this->getToken());
			return true;
		} catch (ShareNotFound $e) {
			return false;
		}
	}

	protected function isPasswordProtected(): bool {
		/** @psalm-suppress RedundantConditionGivenDocblockType */
		return $this->getShare()->getPassword() !== null;
	}

	#[NoAdminRequired]
	#[PublicPage]
	public function create(string $token, ?string $file = null, ?string $baseVersionEtag = null, ?string $guestName = null): DataResponse {
		return $this->apiService->create(null, $file, $baseVersionEtag, $token, $guestName);
	}

	#[NoAdminRequired]
	#[PublicPage]
	public function close(int $documentId, int $sessionId, string $sessionToken): DataResponse {
		return $this->apiService->close($documentId, $sessionId, $sessionToken);
	}

	#[NoAdminRequired]
	#[PublicPage]
	#[RequireDocumentBaseVersionEtag]
	#[RequireDocumentSession]
	public function push(int $documentId, int $sessionId, string $sessionToken, int $version, array $steps, string $awareness, string $token): DataResponse {
		return $this->apiService->push($this->getSession(), $this->getDocument(), $version, $steps, $awareness, $token);
	}

	#[NoAdminRequired]
	#[PublicPage]
	#[RequireDocumentBaseVersionEtag]
	#[RequireDocumentSession]
	public function sync(string $token, int $version = 0): DataResponse {
		return $this->apiService->sync($this->getSession(), $this->getDocument(), $version, $token);
	}

	#[NoAdminRequired]
	#[PublicPage]
	#[RequireDocumentBaseVersionEtag]
	#[RequireDocumentSession]
	public function save(string $token, int $version = 0, ?string $autosaveContent = null, ?string $documentState = null, bool $force = false, bool $manualSave = false): DataResponse {
		return $this->apiService->save($this->getSession(), $this->getDocument(), $version, $autosaveContent, $documentState, $force, $manualSave, $token);
	}

	/**
	 * @psalm-return DataResponse<int, array|null|object|scalar, array<string, mixed>>
	 */
	#[NoAdminRequired]
	#[PublicPage]
	#[RequireDocumentSession]
	public function updateSession(string $guestName): DataResponse {
		return $this->apiService->updateSession($this->getSession(), $guestName);
	}
}
