<?php
/**
 * GNU social - a federating social network
 *
 * Todo: Description
 *
 * PHP version 5
 *
 * LICENCE: 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/>.
 *
 * @category  Plugin
 * @package   GNUsocial
 * @author    Daniel Supernault <danielsupernault@gmail.com>
 * @copyright 2015 Free Software Foundaction, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      https://gnu.io/social
 */

if (!defined('GNUSOCIAL')) { exit(1); }

class ActivityPubActorAction extends ManagedAction
{
    protected $needLogin = false;
    protected $canPost   = true;

    protected function handle()
    {
        $user = User::getByID($this->trimmed('id'));
        $profile = $user->getProfile();
        $url = $profile->profileurl;

        try {
          $avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE)->displayUrl();
        } catch (NoAvatarException $e) {
          // TODO: fallback to current theme default avatar
          $avatar = null;
        }

        $res = [
          '@context'          => [
            "https://www.w3.org/ns/activitystreams",
            [
              "@language" => "en"
            ]
          ],
          'id'                => $url,
          'type'              => 'Person',
          'following'         => "{$url}/subscriptions",
          'followers'         => "{$url}/subscribers",
          'inbox'             => null,
          'outbox'            => null,
          'liked'             => "{$url}/favorites",
          'preferredUsername' => $user->nickname,
          'name'              => $user->nickname,
          'summary'           => $profile->bio,
          'url'               => $url,
          'icon'              => [
            'type'   => 'Image',
            'width'  => 96,
            'height' => 96,
            'url'    => $avatar
          ]
        ];

        header('Content-Type: application/json');

        echo json_encode($res, JSON_PRETTY_PRINT);
    }
}