<?php

/**
 * Kunena Component
 *
 * @package       Kunena.Framework
 * @subpackage    Integration
 *
 * @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\Integration;

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

use Exception;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Uri\Uri;
use Kunena\Forum\Libraries\Factory\KunenaFactory;
use Kunena\Forum\Libraries\Icons\KunenaSvgIcons;
use Kunena\Forum\Libraries\Profiler\KunenaProfiler;
use Kunena\Forum\Libraries\User\KunenaUser;
use StdClass;

/**
 * Class \Kunena\Forum\Libraries\Integration\Avatar
 *
 * @since   Kunena 6.0
 */
class KunenaAvatar
{
    /**
     * @var     boolean
     * @since   Kunena 6.0
     */
    protected static $instance = false;

    /**
     * @var     null
     * @since   Kunena 6.0
     */
    public $avatarSizes = null;

    /**
     * @var     boolean
     * @since   Kunena 6.0
     */
    public $css = false;

    /**
     * @var     boolean
     * @since   Kunena 6.0
     */
    protected $resize = false;

    /**
     * @param   null  $integration  integration
     *
     * @return  boolean|KunenaAvatar
     *
     * @throws  Exception
     * @since   Kunena 6.0
     */
    public static function getInstance($integration = null)
    {
        if (self::$instance === false) {
            PluginHelper::importPlugin('kunena');

            $classes = Factory::getApplication()->triggerEvent('onKunenaGetAvatar');

            foreach ($classes as $class) {
                if (!\is_object($class)) {
                    continue;
                }

                self::$instance = $class;
                break;
            }

            if (!self::$instance) {
                self::$instance = new self();
            }
        }

        return self::$instance;
    }

    /**
     * @param   array  $userlist  userlist
     *
     * @return  void
     *
     * @since   Kunena 6.0
     */
    public function load(array $userlist): void
    {
    }

    /**
     * @return  string
     *
     * @throws Exception
     * @since   Kunena 6.0
     */
    public function getEditURL(): string
    {
        return '';
    }

    /**
     * @param   KunenaUser  $user   user
     * @param   string      $class  class
     * @param   int         $sizex  sizex
     * @param   int         $sizey  sizey
     *
     * @return  false|string
     *
     * @throws Exception
     * @since   Kunena 6.0
     */
    public function getLink(KunenaUser $user, $class = 'kavatar', $sizex = 90, $sizey = 90)
    {
        $size   = $this->getSize($sizex, $sizey);
        $avatar = $this->getURL($user, $size->x, $size->y);

        if (!$avatar) {
            return false;
        }

        if ($class == 'none') {
            $class = ' class="kavatar"';
        } elseif ($class) {
            $class = ' class="' . $class . '"';
        }

        $ktemplate     = KunenaFactory::getTemplate();
        $topicicontype = $ktemplate->params->get('topicicontype');

        if ($topicicontype == 'svg') {
            if ($avatar == Uri::root() . 'media/kunena/core/svg/person.svg') {
                $link = '<span ' . $class . ' data-bs-toggle="tooltip" title="' . Text::sprintf('COM_KUNENA_LIB_AVATAR_TITLE', $user->getName()) . '">'
                    . KunenaSvgIcons::loadsvg('person') . '</span>';
            } else {
                $link = '<span' . $class . ' data-bs-toggle="tooltip" title="' . Text::sprintf('COM_KUNENA_LIB_AVATAR_TITLE', $user->getName()) . '">
				<img alt="" loading=lazy src="' . $avatar . '" width="' . $size->x . '" height="' . $size->y . '"></span>';
            }
        } else {
            $link = '<img loading=lazy' . $class . ' src="' . $avatar . '" width="' . $size->x . '" height="' . $size->y . '"
			  alt="' . Text::sprintf('COM_KUNENA_LIB_AVATAR_TITLE', $user->getName()) . '" />';
        }

        return $link;
    }

    /**
     * @param   int  $sizex  sizex
     * @param   int  $sizey  sizey
     *
     * @return  StdClass
     *
     * @throws  Exception
     * @since   Kunena 6.0
     */
    public function getSize($sizex = 90, $sizey = 90): StdClass
    {
        $size    = new StdClass();
        $size->x = \intval($sizex);
        $size->y = \intval($sizey);

        if (!\intval($sizex)) {
            $template = KunenaFactory::getTemplate();
            $name     = ucfirst(strtolower($sizex));
            $size->x  = \intval($template->params->get('avatarSizeX' . $name, 90));
            $size->y  = \intval($template->params->get('avatarSizeY' . $name, 90));
        }

        return $size;
    }

    /**
     * @param   KunenaUser  $user   user
     * @param   int         $sizex  sizex
     * @param   int         $sizey  sizey
     *
     * @return string
     *
     * @since   Kunena 6.0
     * @throws \Exception
     */
    public function getURL(KunenaUser $user, $sizex = 90, int $sizey = 90): string
    {
        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->start('function ' . __CLASS__ . '::' . __FUNCTION__ . '()') : null;
        $size = $this->getSize($sizex, $sizey);

        if (!$size->x || !$size->y) {
            return false;
        }

        $result = $this->_getURL($user, $size->x, $size->y);
        KunenaProfiler::getInstance() ? KunenaProfiler::instance()->stop('function ' . __CLASS__ . '::' . __FUNCTION__ . '()') : null;

        return $result;
    }

    /**
     * @param   KunenaUser  $user   user
     * @param   integer     $sizex  sizex
     * @param   integer     $sizey  sizey
     *
     * @return  string
     *
     * @since   Kunena 6.0
     */
    protected function _getURL(KunenaUser $user, int $sizex, int $sizey): string
    {
        return '';
    }
}