<?php
/**
 * @package     JCE
 * @subpackage  Admin
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
 * @copyright   Copyright (c) 2009-2024 Ryan Demmer. All rights reserved
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

\defined('_JEXEC') or die;

use Joomla\CMS\Form\Field\UserField;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Table\Table;

/**
 * Field to select a user ID from a modal list.
 *
 * @since  1.6
 */
class JFormFieldUsers extends UserField
{
    /**
     * The form field type.
     *
     * @var    string
     * @since  2.7
     */
    public $type = 'Users';

    /**
     * Method to get the user field input markup.
     *
     * @return  string  The field input markup.
     *
     * @since   1.6
     */
    protected function getInput()
    {
        if (empty($this->layout)) {
            throw new \UnexpectedValueException(sprintf('%s has no layout assigned.', $this->name));
        }

        $options = $this->getOptions();

        $name = $this->name;

        // clear name
        $this->name = "";

        // set onchange to update
        $this->onchange = "(function(){WfSelectUsers();})();";

        // remove autocomplete
        $this->autocomplete = false;

        // clear value
        $this->value = "";

        $html = $this->getRenderer($this->layout)->render($this->getLayoutData());
        $html .= '<div class="users-select">';

        // add "joomla-field-fancy-select" manually for Joomla 4
        $html .= '<joomla-field-fancy-select placeholder="...">';
        $html .= '<select name="' . $name . '" id="' . $this->id . '_select" class="custom-select" data-placeholder="..." multiple>';

        foreach ($options as $option) {
            $html .= '<option value="' . $option->value . '" selected>' . $option->text . '</option>';
        }

        $html .= '</select>';
        $html .= '</joomla-field-fancy-select>';
        $html .= '</div>';

        return $html;

    }

    /**
     * Allow to override renderer include paths in child fields
     *
     * @return  array
     *
     * @since   3.5
     */
    protected function getLayoutPaths()
    {
        return array(JPATH_ADMINISTRATOR . '/components/com_jce/layouts', JPATH_SITE . '/layouts');
    }

    /**
     * Method to get the field options.
     *
     * @return array The field option objects
     *
     * @since   11.1
     */
    protected function getOptions()
    {
        $options = array();

        if (empty($this->value)) {
            return $options;
        }

        $fieldname = preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname);
        $table = Table::getInstance('user');

        // clean value
        $this->value = str_replace('"', '', $this->value);

        foreach (explode(',', $this->value) as $id) {
            if (empty($id)) {
                continue;
            }

            if ($table->load((int) $id)) {
                $text = htmlspecialchars($table->name, ENT_COMPAT, 'UTF-8');
                $text = Text::alt($text, $fieldname);

                $tmp = array(
                    'value' => $id,
                    'text' => $text,
                );

                // Add the option object to the result set.
                $options[] = (object) $tmp;
            }
        }

        return $options;
    }
}
