<?php
/**
 * @package DJ-Catalog2
 * @copyright Copyright (C) DJ-Extensions.com, All rights reserved.
 * @license http://www.gnu.org/licenses GNU/GPL
 * @author url: http://dj-extensions.com
 * @author email contact@dj-extensions.com
 */

defined('_JEXEC') or die();
defined('JPATH_BASE') or die;
use Joomla\CMS\Form\FormField;
use Joomla\CMS\Factory;

jimport('joomla.html.html');
jimport('joomla.form.formfield');

class JFormFieldDjcunit extends FormField {

    protected $type = 'Djcunit';

    protected function getInput()
    {
        // Initialize some field attributes.
        $size		= $this->element['size'] ? ' size="'.(int) $this->element['size'].'"' : '';
        $maxLength	= $this->element['maxlength'] ? ' maxlength="'.(int) $this->element['maxlength'].'"' : '';
        $attr = '';

        $class = $this->element['class'] ? (string) $this->element['class'] : '';
        $class .= $this->element['required']=='true' ? ' required' : '';

        $type = isset($this->element['unit_type']) ? $this->element['unit_type'] : false;

        $attr .= 'class="'.$class.'"';
        $name = $this->name;
        if (isset($this->element['multiple']) && $this->element['multiple'] == 'true') {
            $attr .= ' multiple="true" size="10"';
        } else {
            // such situations should not happen, but if they do (it's possible) we need to assign at least one group of fields
            if (is_array($this->value)) {
                $newValue = 0;
                foreach ($this->value as $v) {
                    if ($v > 0) {
                        $newValue = $v;
                        break;
                    }
                }
                $this->value = $newValue;
            }
        }

        $optionText = (!empty($this->element['option_text'])) ? trim((string)$this->element['option_text']) : 'concat';
        $clause = 'CONCAT(name, " [", unit, "]") as text';
        if ($optionText == 'name') {
            $clause = 'name as text';
        } else if ($optionText == 'unit') {
            $clause = 'unit as text';
        }

        $db = Factory::getDbo();
        $query = $db->getQuery(true);
        $query->select('id AS value, '.$clause);
        $query->from('#__djc2_units');
        if ($type) {
            if (strpos($type, ',')) {
                $types = explode(',',$type);
                $whereTypes = array();
                foreach($types as $unittype) {
                    $whereTypes[] = 'unit_type='.$db->quote(trim((string)$unittype));
                }
                $query->where('('.implode(' OR ', $whereTypes).')');
            } else {
                $query->where('unit_type='.$db->quote(trim((string)$type)));
            }
        }
        $query->order('is_default DESC, ordering ASC');
        $db->setQuery($query);
        $groups = $db->loadObjectList();
        $options = array();

        /*if (!isset($this->element['multiple']) || $this->element['multiple'] != 'true') {
            $options[] = Joomla\CMS\HTML\HTMLHelper::_('select.option', '' , Text::_('COM_DJCATALOG2_LIST_PLEASE_SELECT'));
        }*/

        $selected = array();

        foreach ($groups as $group) {
            if ($group->value == $this->value) {
                $selected[] =$group->text;
            }
            $options[] = Joomla\CMS\HTML\HTMLHelper::_('select.option', $group->value, $group->text);
        }

        $out = Joomla\CMS\HTML\HTMLHelper::_('select.genericlist', $options, $name, trim((string)$attr), 'value', 'text', $this->value, $this->id);

        return ($out);

    }
}
?>