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

namespace Federator\DIO;

/**
 * IO functions related to articles
 */
class Article
{
    /**
     * Convert an Article to a Note
     *
     * @param \Federator\Data\ActivityPub\Common\Article $article
     * @return \Federator\Data\ActivityPub\Common\Note
     *      The generated note
     */
    public static function convertToNote($article)
    {
        $note = new \Federator\Data\ActivityPub\Common\Note();
        $note->setId($article->getId())
            ->setURL($article->getURL());
        $note->setContent($article->getContent());
        $note->setSummary($article->getSummary());
        $note->setPublished($article->getPublished());
        $note->setName($article->getName());
        $note->setAttributedTo($article->getAttributedTo());
        foreach ($article->getTo() as $to) {
            $note->addTo($to);
        }
        foreach ($article->getCc() as $cc) {
            $note->addCc($cc);
        }
        return $note;
    }

    /** Conditionally convert article to a note
     *
     * @param \Federator\Data\ActivityPub\Common\Article $article
     * @param string $targetUrl
     *      The target URL for the activity (e.g. mastodon.social)
     * @return \Federator\Data\ActivityPub\Common\Note|\Federator\Data\ActivityPub\Common\Article
     *      The generated note on success, false on failure
     */
    public static function conditionalConvertToNote($article, $targetUrl)
    {
        $supportFile = file_get_contents($_SERVER['DOCUMENT_ROOT'] . '../formatsupport.json');
        if ($supportFile === false) {
            error_log("Article::conditionalConvertToNote Failed to read support file for article conversion.");
            return $article; // Fallback to original article if file read fails
        }
        $supportlist = json_decode($supportFile, true);

        if (!isset($supportlist['activitypub']['article']) ||
            !is_array($supportlist['activitypub']['article']) ||
            !in_array($targetUrl, $supportlist['activitypub']['article'], true)
        ) {
            return self::convertToNote($article); // Articles are not supported for this target
        }
        return $article; // Articles are supported, return as is
    }
}