<?php

/**
 * Kunena Component
 *
 * @package         Kunena.Site
 * @subpackage      Views
 *
 * @copyright       Copyright (C) 2008 - 2025 Kunena Team. All rights reserved.
 * @license         https://www.gnu.org/copyleft/gpl.html GNU/GPL
 * @link            https://www.kunena.org
 **/

defined('_JEXEC') or die();

use Joomla\CMS\Date\Date;
use Joomla\CMS\Document\Feed\FeedImage;
use Joomla\CMS\Document\Feed\FeedItem;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\User\UserFactoryInterface;
use Kunena\Forum\Libraries\Exception\KunenaException;
use Kunena\Forum\Libraries\Factory\KunenaFactory;
use Kunena\Forum\Libraries\Html\KunenaParser;
use Kunena\Forum\Libraries\View\KunenaView;

/**
 * Category View
 *
 * @since   Kunena 6.0
 */
class KunenaViewCategory extends KunenaView
{
    /**
     * @param   null  $tpl  tpl
     *
     * @return  void
     *
     * @since   Kunena 6.0
     *
     * @throws  Exception
     */
    public function displayDefault($tpl = null)
    {
        if (!$this->config->enableRss) {
            throw new Exception(Text::_('COM_KUNENA_RSS_DISABLED'), 500);
        }

        KunenaParser::$relative = false;

        $this->category = $this->get('Category');

        try {
            $this->category->isAuthorised('read');
        } catch (Exception $e) {
            throw new KunenaException($e->getMessage(), 404);
        }

        $this->topics = $this->get('Topics');

        $title = Text::_('COM_KUNENA_THREADS_IN_FORUM') . ': ' . $this->category->name;
        $this->setTitle($title);

        $metaDesc = $this->document->getDescription() . '. ' . $this->escape("{$this->category->name} - {$this->config->boardTitle}");
        $this->document->setDescription($metaDesc);

        // Create image for feed
        $image                 = new FeedImage();
        $image->title          = $this->document->getTitle();
        $image->url            = $this->ktemplate->getImagePath('icons/rss.png');
        $image->description    = $this->document->getDescription();
        $this->document->image = $image;

        foreach ($this->topics as $topic) {
            if ($this->config->rssType == 'topic') {
                $description = Text::sprintf('COM_KUNENA_RSS_TOPICS_CONTAINS_MESSAGES', $topic->posts) . ' - ' . Text::sprintf('COM_KUNENA_RSS_LAST_AUTHOR', KunenaFactory::getUser($topic->last_post_userid)->getName($topic->last_post_guest_name));
            } else {
                $description = $topic->last_post_message;
            }

            $date        = new Date($topic->last_post_time);
            $userid      = $topic->last_post_userid;
            $username    = KunenaFactory::getUser($userid)->getName($topic->last_post_guest_name);

            $title    = $topic->subject;
            $category = $topic->getCategory();
            $url      = $topic->getUrl($category, true, 'last');

            $this->createItem($title, $url, $description, $category->name, $date, $userid, $username);
        }
    }

    /**
     * @param   string   $title        title
     * @param   string   $url          url
     * @param   string   $description  description
     * @param   string   $category     category
     * @param   integer  $date         date
     * @param   integer  $userid       userid
     * @param   string   $username     username
     *
     * @return  void
     *
     * @since   Kunena 6.0
     *
     * @throws  Exception
     */
    public function createItem($title, $url, $description, $category, $date, $userid, $username)
    {
        if ($this->config->rssAuthorInTitle) {
            // We want author in item titles
            $title .= ' - ' . Text::_('COM_KUNENA_RSS_BY') . ': ' . $username;
        }

        if ((int) $this->config->rssWordCount === -1) {
            $description = '';
        } else {
            $description = preg_replace('/\[confidential\](.*?)\[\/confidential\]/s', '', $description);
            $description = preg_replace('/\[hide\](.*?)\[\/hide\]/s', '', $description);
            $description = preg_replace('/\[spoiler\](.*?)\[\/spoiler\]/s', '', $description);
            $description = preg_replace('/\[code\](.*?)\[\/code]/s', '', $description);

            if ((bool) $this->config->rssAllowHtml) {
                $description = KunenaParser::parseBBCode($description, null, (int) $this->config->rssWordCount);
            } else {
                $description = KunenaParser::parseText($description, (int) $this->config->rssWordCount);
            }
        }

        // Assign values to feed item
        $item              = new FeedItem();
        $item->title       = $title;
        $item->link        = $url;
        $item->description = $description;
        $item->date        = $date->toSql();
        $item->author      = $username;

        // FIXME: inefficient to load users one by one -- also vulnerable to J! 2.5 user is NULL bug
        if ($this->config->rssAuthorFormat != 'name') {
            $item->authorEmail = Factory::getContainer()->get(UserFactoryInterface::class)->loadUserById($userid)->email;
        }

        $item->category = $category;

        // Finally add item to feed
        $this->document->addItem($item);
    }
}