<?php
/**
 * SPDX-FileCopyrightText: 2024 Sascha Nitsch (grumpydeveloper) https://contentnation.net/@grumpydevelop
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * @author Sascha Nitsch (grumpydeveloper)
 **/

namespace Federator\Api\WellKnown;

class NodeInfo
{
    /**
     * parent instance
     *
     * @var \Federator\Api\WellKnown $wellKnown
     */
    private $wellKnown;

    /**
     * main instance
     *
     * @var \Federator\Main $main
     */
    private $main;

    /**
     * constructor
     *
     * @param \Federator\Api\WellKnown $wellKnown parent instance
     * @param \Federator\Main $main main instance
     * @return void
     */
    public function __construct($wellKnown, $main)
    {
        $this->wellKnown = $wellKnown;
        $this->main = $main;
    }

    /**
     * handle nodeinfo request
     *
     * @param string[] $paths path of us
     * @return bool true on success
     */
    public function exec($paths)
    {
        $config = $this->main->getConfig();
        $domain = $config['generic']['externaldomain'];
        $data = [
            'fqdn' => $domain
        ];
        $template = null;
        if (sizeof($paths) == 2 && $paths[0] === '.well-known' && $paths[1] === 'nodeinfo') {
            $template = 'nodeinfo.json';
        } else {
            if ($paths[0] !== 'nodeinfo') {
                throw new \Federator\Exceptions\FileNotFound();
            }
        }
        if ($template === null) {
            switch ($paths[1]) {
                case '2.1':
                    $template = 'nodeinfo2.1.json';
                    break;
                default:
                    $template = 'nodeinfo2.0.json';
            }
            $stats = \Federator\DIO\Stats::getStats($this->main);
            echo "fetch usercount via connector\n";
            $data['usercount'] = $stats->userCount;
            $data['postcount'] = $stats->postCount;
            $data['commentcount'] = $stats->commentCount;
        }
        $tpl = $this->main->renderTemplate($template, $data);
        $this->wellKnown->setResponse($tpl);
        return true;
    }
}