<?php

/**
 * @package     Joomla.Administrator
 * @subpackage  com_finder
 *
 * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\Component\Finder\Administrator\Helper;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\LanguageHelper as CMSLanguageHelper;
use Joomla\CMS\Language\Text;

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

/**
 * Finder language helper class.
 *
 * @since  2.5
 */
class LanguageHelper
{
    /**
     * Method to return a plural language code for a taxonomy branch.
     *
     * @param   string  $branchName  Branch title.
     *
     * @return  string  Language key code.
     *
     * @since   2.5
     */
    public static function branchPlural($branchName)
    {
        $return = preg_replace('/[^a-zA-Z0-9]+/', '_', strtoupper($branchName));

        if ($return !== '_') {
            return 'PLG_FINDER_QUERY_FILTER_BRANCH_P_' . $return;
        }

        return $branchName;
    }

    /**
     * Method to return a singular language code for a taxonomy branch.
     *
     * @param   string  $branchName  Branch name.
     *
     * @return  string  Language key code.
     *
     * @since   2.5
     */
    public static function branchSingular($branchName)
    {
        $return = preg_replace('/[^a-zA-Z0-9]+/', '_', strtoupper($branchName));
        $language = Factory::getApplication()->getLanguage();

        if ($language->hasKey('PLG_FINDER_QUERY_FILTER_BRANCH_S_' . $return) || JDEBUG) {
            return 'PLG_FINDER_QUERY_FILTER_BRANCH_S_' . $return;
        }

        return $branchName;
    }

    /**
     * Method to return the language name for a language taxonomy branch.
     *
     * @param   string  $branchName  Language branch name.
     *
     * @return  string  The language title.
     *
     * @since   3.6.0
     */
    public static function branchLanguageTitle($branchName)
    {
        $title = $branchName;

        if ($branchName === '*') {
            $title = Text::_('JALL_LANGUAGE');
        } else {
            $languages = CMSLanguageHelper::getLanguages('lang_code');

            if (isset($languages[$branchName])) {
                $title = $languages[$branchName]->title;
            }
        }

        return $title;
    }

    /**
     * Method to load Smart Search component language file.
     *
     * @return  void
     *
     * @since   2.5
     */
    public static function loadComponentLanguage()
    {
        Factory::getLanguage()->load('com_finder', JPATH_SITE);
    }

    /**
     * Method to load Smart Search plugin language files.
     *
     * @return  void
     *
     * @since   2.5
     */
    public static function loadPluginLanguage()
    {
        static $loaded = false;

        // If already loaded, don't load again.
        if ($loaded) {
            return;
        }

        $loaded = true;

        // Get array of all the enabled Smart Search plugin names.
        $db = Factory::getDbo();
        $query = $db->getQuery(true)
            ->select(array($db->quoteName('name'), $db->quoteName('element')))
            ->from($db->quoteName('#__extensions'))
            ->where($db->quoteName('type') . ' = ' . $db->quote('plugin'))
            ->where($db->quoteName('folder') . ' = ' . $db->quote('finder'))
            ->where($db->quoteName('enabled') . ' = 1');
        $db->setQuery($query);
        $plugins = $db->loadObjectList();

        if (empty($plugins)) {
            return;
        }

        // Load generic language strings.
        $lang = Factory::getLanguage();
        $lang->load('plg_content_finder', JPATH_ADMINISTRATOR);

        // Load language file for each plugin.
        foreach ($plugins as $plugin) {
            $lang->load($plugin->name, JPATH_ADMINISTRATOR)
                || $lang->load($plugin->name, JPATH_PLUGINS . '/finder/' . $plugin->element);
        }
    }
}