<?php

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

namespace Kunena\Forum\Libraries\Layout;

\defined('_JEXEC') or die();

use Exception;
use Joomla\CMS\Filter\InputFilter;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Kunena\Forum\Libraries\Config\KunenaConfig;
use Kunena\Forum\Libraries\Factory\KunenaFactory;
use Kunena\Forum\Libraries\Forum\Category\KunenaCategory;
use Kunena\Forum\Libraries\Forum\Message\KunenaMessage;
use Kunena\Forum\Libraries\Forum\Topic\KunenaTopic;
use Kunena\Forum\Libraries\Html\KunenaParser;
use Kunena\Forum\Libraries\Profiler\KunenaProfiler;
use Kunena\Forum\Libraries\Route\KunenaRoute;
use Kunena\Forum\Libraries\User\KunenaUserHelper;
use RunTimeException;
use stdClass;

/**
 * implements \Kunena specific functions for all layouts.
 *
 * @see     Base
 * @since   Kunena 6.0
 */
class KunenaLayout extends KunenaBase
{
    /**
     * @var mixed|string|void
     * @since version
     */
    public $userkarma_plus;

    /**
     * @var false|mixed|string|void
     * @since version
     */
    public $personalText;

    /**
     * @var mixed|void|null
     * @since version
     */
    public $usermedals;

    /**
     * @var mixed|void|null
     * @since version
     */
    public $userpoints;

    /**
     * @var integer|mixed|void|null
     * @since version
     */
    public $userthankyou;

    /**
     * @var integer|mixed|void|null
     * @since version
     */
    public $userposts;

    /**
     * @var false|mixed|stdClass|string|void|null
     * @since version
     */
    public $userranktitle;

    /**
     * @var false|mixed|stdClass|string|void|null
     * @since version
     */
    public $userrankimage;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $userkarma;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $userkarma_minus;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $userkarma_title;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $usersUrl;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $membersOnline;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $onlineList;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $hiddenList;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $target;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $url;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $internal;

    /**
     * @var mixed|string|void
     * @since version
     */
    public $ktemplate;

    /**
     * Content to be appended after the main output.
     *
     * @var     array
     * @since   Kunena 6.0
     */
    protected $after = [];

    /**
     * Object KunenaView
     *
     * @var     mixed
     * @since   Kunena 6.0
     */
    protected $legacy;

    public $breadcrumb;

    public $content;

    public $input;

    public $me;

    public $header;

    public $message;

    /**
     * Append HTML after the layout content.
     *
     * @param   string  $content  content
     *
     * @return  void
     *
     * @since   Kunena 6.0
     */
    public function appendAfter(string $content): void
    {
        $this->after[] = $content;
    }

    /**
     * @param   mixed  $key  key
     *
     * @return  string
     *
     * @since   Kunena 6.0
     */
    public function text($key): string
    {
        return Text::_($key);
    }

    /**
     * Method to render the view.
     *
     * @param   string  $layout  layout
     *
     * @return  string  The rendered view.
     *
     * @throws  Exception|RunTimeException
     * @since   Kunena 6.0
     */
    public function render($layout = null): string
    {
        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->start("render layout '{$this->_name}'") : null;

        try {
            $output = parent::render($layout);

            foreach ($this->after as $content) {
                $output .= (string) $content;
            }
        } catch (Exception $e) {
            KunenaProfiler::getInstance() ? KunenaProfiler::instance()->stop("render layout '{$this->_name}'") : null;
            throw $e;
        }

        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->stop("render layout '{$this->_name}'") : null;

        return $output;
    }

    /**
     * @param   string  $link   link
     * @param   string  $name   name
     * @param   string  $scope  scope
     * @param   string  $type   type
     * @param   null    $id     id
     *
     * @return  string
     *
     * @throws null
     * @throws Exception
     * @since   Kunena 6.0
     */
    public function getButton(string $link, string $name, string $scope, string $type, $id = null): string
    {
        return KunenaFactory::getTemplate()->getButton(KunenaRoute::_($link), $name, $scope, $type, $id);
    }

    /**
     * @param   string  $name   name
     * @param   string  $title  title
     *
     * @return  string
     *
     * @throws Exception
     * @since   Kunena 6.0
     */
    public function getIcon(string $name, $title = ''): string
    {
        return KunenaFactory::getTemplate()->getIcon($name, $title);
    }

    /**
     * This function formats a number to n significant digits when above
     * 10,000. Starting at 10,0000 the out put changes to 10k, starting
     * at 1,000,000 the output switches to 1m. Both k and m are defined
     * in the language file. The significant digits are used to limit the
     * number of digits displayed when in 10k or 1m mode.
     *
     * @param   int  $number     Number to be formated
     * @param   int  $precision  Significant digits for output
     *
     * @return  string
     *
     * @since   Kunena 4.0
     */
    public function formatLargeNumber(int $number, $precision = 3)
    {
        // Do we need to reduce the number of significant digits?
        if ($number >= 10000) {
            $precisionToInt = -1 * (log10($number) + 1) + $precision;

            // Round the number to n significant digits
            $number = round($number, (int) $precisionToInt);
        }

        if ($number < 10000) {
            $output = $number;
        } elseif ($number >= 1000000) {
            $output = $number / 1000000 . Text::_('COM_KUNENA_MILLION');
        } else {
            $output = $number / 1000 . Text::_('COM_KUNENA_THOUSAND');
        }

        return $output;
    }

    /**
     * @param   KunenaCategory  $category   category
     * @param   null            $content    content
     * @param   null            $title      title
     * @param   null            $class      class
     * @param   bool            $follow     follow
     * @param   null            $canonical  canonical
     *
     * @return  mixed
     *
     * @throws Exception
     * @throws null
     * @since   Kunena 6.0
     */
    public function getCategoryLink(KunenaCategory $category, $content = null, $title = null, $class = null, bool $follow = true, $canonical = null)
    {
        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->start('function ' . __CLASS__ . '::' . __FUNCTION__ . '()') : null;

        if (!$content) {
            $content = $this->escape($category->name);
        }

        if ($title === null) {
            $title = Text::sprintf('COM_KUNENA_VIEW_CATEGORY_LIST_CATEGORY_TITLE', $category->name);

            if (isset($class)) {
                if (strpos($class, 'hasTooltip') !== false) {
                    // Tooltips will decode HTML and we don't want the HTML to be parsed
                    $filter = InputFilter::getInstance();
                    $title  = $filter->clean($title, 'string');
                }
            }
        }

        if ($follow) {
            $rel = '';
        } else {
            $rel = 'nofollow';
        }

        if ($canonical) {
            $con = 'canonical';
        } else {
            $con = $rel;
        }

        if ($category->locked) {
            $class .= ' locked';
        }

        $link = HTMLHelper::_('kunenaforum.link', $category->getUrl(), $content, $title, $class, $con);

        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->stop('function ' . __CLASS__ . '::' . __FUNCTION__ . '()') : null;

        return $link;
    }

    /**
     * @param   KunenaTopic          $topic      topic
     * @param   null                 $action     action
     * @param   null                 $content    content
     * @param   null                 $title      title
     * @param   null                 $class      class
     * @param   KunenaCategory|null  $category   category
     * @param   bool                 $follow     follow
     * @param   bool                 $canonical  canonical
     *
     * @return  mixed
     *
     * @throws Exception
     * @since   Kunena 6.0
     */
    public function getTopicLink(KunenaTopic $topic, $action = null, $content = null, $title = null, $class = null, ?KunenaCategory $category = null, bool $follow = true, bool $canonical = false)
    {
        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->start('function ' . __CLASS__ . '::' . __FUNCTION__ . '()') : null;

        $url = $topic->getUrl($category ?: (isset($this->category) ? $this->category : $topic->getCategory()), true, $action);

        if (!$content) {
            $content = KunenaParser::parseText($topic->subject);
        }

        if ($title === null) {
            $titleFirstPostCleaned = '';
            if (!empty($topic->first_post_message)) {
                $titleFirstPostCleaned = KunenaParser::stripBBCode($topic->first_post_message, 200, false);
            }

            if ($action instanceof KunenaMessage) {
                $title = $titleFirstPostCleaned;
            } else {
                switch ($action) {
                    case 'first':
                        $title = $titleFirstPostCleaned;
                        break;
                    case 'unread':
                    case 'last':
                        if (!KunenaUserHelper::getMyself()->userid && KunenaConfig::getInstance()->teaser) {
                            $title = $titleFirstPostCleaned;
                        } else {
                            if (!empty($topic->first_post_message)) {
                                $title = KunenaParser::stripBBCode($topic->last_post_message, 200, false);
                            }
                        }
                        break;
                    default:
                        $title = $titleFirstPostCleaned;
                }
            }

            if ($class !== null) {
                if (strpos($class, 'hasTooltip') !== false) {
                    // Tooltips will decode HTML and we don't want the HTML to be parsed
                    $filter = InputFilter::getInstance();
                    $title  = $filter->clean($title, 'string');
                }
            }
        }

        if ($follow) {
            $rel = '';
        } else {
            $rel = 'nofollow';
        }

        if ($canonical) {
            $con = 'canonical';
        } else {
            $con = $rel;
        }

        if ($topic->locked) {
            $class .= ' locked';
        }

        $link = HTMLHelper::_('kunenaforum.link', $url, $content, $title, $class, $con);

        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->stop('function ' . __CLASS__ . '::' . __FUNCTION__ . '()') : null;

        return $link;
    }

    /**
     * @param   KunenaCategory  $category   The KunenaCategory object
     * @param   string          $content    The content of last topic subject
     * @param   string          $title      The title of the link
     * @param   string          $class      The class attribute of the link
     * @param   int             $length     length
     * @param   bool            $follow     follow
     * @param   bool            $canonical  canonical
     *
     * @return  string
     *
     * @throws Exception
     * @throws null
     * @since   Kunena 6.0
     */
    public function getLastPostLink(KunenaCategory $category, $content, $title, $class, $length = 30, $follow = true, $canonical = false)
    {
        $lastTopic = $category->getLastTopic();
        $channels  = $category->getChannels();

        if (!isset($channels[$lastTopic->category_id])) {
            $category = $lastTopic->getCategory();
        }

        $uri = $lastTopic->getUrl($category, true, 'last');

        if (!$content) {
            if (KunenaConfig::getInstance()->disableRe) {
                $content = KunenaParser::parseText($lastTopic->subject, $length);
            } else {
                $content = $lastTopic->first_post_id != $lastTopic->last_post_id ? Text::_('COM_KUNENA_RE') . ' ' : '';
                $content .= KunenaParser::parseText($lastTopic->subject, $length);
            }
        }

        if ($title === null) {
            $title = KunenaParser::stripBBCode($lastTopic->last_post_message, 200, false);

            if (strpos($class, 'hasTooltip') !== false) {
                // Tooltips will decode HTML and we don't want the HTML to be parsed
                $filter = InputFilter::getInstance();
                $title  = $filter->clean($title, 'string');
            }
        }

        if ($follow) {
            $rel = '';
        } else {
            $rel = 'nofollow';
        }

        if ($canonical) {
            $con = 'canonical';
        } else {
            $con = $rel;
        }

        if ($lastTopic->locked) {
            $class .= ' locked';
        }

        return HTMLHelper::_('kunenaforum.link', $uri, $content, $title, $class, $con);
    }
}