<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  mod_popular
 *
 * @copyright   (C) 2010 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Module\Popular\Administrator\Helper;

use Joomla\CMS\Categories\Categories;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Router\Route;
use Joomla\Component\Content\Administrator\Model\ArticlesModel;
use Joomla\Registry\Registry;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Helper for mod_popular
 *
 * @since  1.6
 */
abstract class PopularHelper
{
    /**
     * Get a list of the most popular articles.
     *
     * @param   Registry       &$params  The module parameters.
     * @param   ArticlesModel  $model    The model.
     *
     * @return  mixed  An array of articles, or false on error.
     *
     * @throws  \Exception
     */
    public static function getList(Registry &$params, ArticlesModel $model)
    {
        $user = Factory::getUser();

        // Set List SELECT
        $model->setState('list.select', 'a.id, a.title, a.checked_out, a.checked_out_time, ' .
            ' a.created_by, a.publish_up, a.hits');

        // Set Ordering filter
        $model->setState('list.ordering', 'a.hits');
        $model->setState('list.direction', 'DESC');

        // Set Category Filter
        $categoryId = $params->get('catid', null);

        if (is_numeric($categoryId)) {
            $model->setState('filter.category_id', $categoryId);
        }

        // Set User Filter.
        $userId = $user->get('id');

        switch ($params->get('user_id', '0')) {
            case 'by_me':
                $model->setState('filter.author_id', $userId);
                break;

            case 'not_me':
                $model->setState('filter.author_id', $userId);
                $model->setState('filter.author_id.include', false);
                break;
        }

        // Set the Start and Limit
        $model->setState('list.start', 0);
        $model->setState('list.limit', $params->get('count', 5));

        $items = $model->getItems();

        if ($error = $model->getError()) {
            throw new \Exception($error, 500);
        }

        // Set the links
        foreach ($items as &$item) {
            $item->link = '';

            if (
                $user->authorise('core.edit', 'com_content.article.' . $item->id)
                || ($user->authorise('core.edit.own', 'com_content.article.' . $item->id) && ($userId === $item->created_by))
            ) {
                $item->link = Route::_('index.php?option=com_content&task=article.edit&id=' . $item->id);
            }
        }

        return $items;
    }

    /**
     * Get the alternate title for the module
     *
     * @param   Registry  $params  The module parameters.
     *
     * @return  string  The alternate title for the module.
     */
    public static function getTitle($params)
    {
        $who   = $params->get('user_id', 0);
        $catid = (int) $params->get('catid', null);
        $title = '';

        if ($catid) {
            $category = Categories::getInstance('Content')->get($catid);
            $title    = Text::_('MOD_POPULAR_UNEXISTING');

            if ($category) {
                $title = $category->title;
            }
        }

        return Text::plural(
            'MOD_POPULAR_TITLE' . ($catid ? '_CATEGORY' : '') . ($who != '0' ? "_$who" : ''),
            (int) $params->get('count', 5),
            $title
        );
    }
}
