<?php
/**
 * @copyright Copyright (C) 2010-2023, the Friendica project
 *
 * @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 <https://www.gnu.org/licenses/>.
 *
 */

namespace Friendica\Module\Api\Mastodon\Accounts;

use Friendica\Core\System;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Module\BaseApi;

/**
 * @see https://docs.joinmastodon.org/methods/accounts/
 */
class Follow extends BaseApi
{
	protected function post(array $request = [])
	{
		$this->checkAllowedScope(self::SCOPE_FOLLOW);
		$uid = self::getCurrentUserID();

		if (empty($this->parameters['id'])) {
			$this->logErrorAndJsonExit(422, $this->errorFactory->UnprocessableEntity());
		}

		$request = $this->getRequest([
			'notify'   => false, // Notify on new posts.
		], $request);

		$contact = Contact::getById($this->parameters['id'], ['url']);

		$result = Contact::createFromProbeForUser($uid, $contact['url']);

		if (!$result['success']) {
			DI::mstdnError()->UnprocessableEntity($result['message']);
		}

		Contact::update(['notify_new_posts' => $request['notify']], ['id' => $result['cid']]);

		$this->jsonExit(DI::mstdnRelationship()->createFromContactId($result['cid'], $uid)->toArray());
	}
}