<?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('JPATH_PLATFORM') or die;

use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormField;
use Joomla\CMS\Language\Text;

class JFormFieldKeyValue extends FormField
{

    /**
     * The form field type.
     *
     * @var    string
     *
     * @since  2.8
     */
    protected $type = 'KeyValue';

    /**
     * Method to attach a JForm object to the field.
     *
     * @param   SimpleXMLElement  $element  The SimpleXMLElement object representing the <field /> tag for the form field object.
     * @param   mixed             $value    The form field value to validate.
     * @param   string            $group    The field name group control value. This acts as as an array container for the field.
     *                                      For example if the field has name="foo" and the group value is set to "bar" then the
     *                                      full field name would end up being "bar[foo]".
     *
     * @return  boolean  True on success.
     *
     * @since   2.8
     */
    public function setup(SimpleXMLElement $element, $value, $group = null)
    {
        $return = parent::setup($element, $value, $group);

        return $return;
    }

    /**
     * Method to get the field input markup.
     *
     * @return  string  The field input markup.
     *
     * @since   11.1
     */
    protected function getInput()
    {
        $values = $this->value;

        if (is_string($values) && !empty($values)) {
            $value = htmlspecialchars_decode($this->value);

            $values = json_decode($value, true);

            if (empty($values) && strpos($value, ':') !== false && strpos($value, '{') === false) {
                $values = array();

                foreach (explode(',', $value) as $item) {
                    $pair = explode(':', $item);

                    array_walk($pair, function (&$val) {
                        $val = trim($val, chr(0x22) . chr(0x27) . chr(0x38));
                    });

                    $values[] = array(
                        'name' => $pair[0],
                        'value' => $pair[1],
                    );
                }
            }
        }

        // default
        if (empty($values)) {
            $values = array(
                array(
                    'name' => '',
                    'value' => '',
                ),
            );
        }

        $subForm = new Form($this->name, array('control' => $this->formControl));

        $children = (array) $this->element->children();

        // if field has defined children
        if (count($children)) {        
            $children = $this->element->children();

            $subForm->load($children, true);
            $subForm->setFields($children);
        } else {
            $label  = $this->element['label'];

            $xml    = '<form><fields name="' . $this->name . '">';

            $keyName = 'name';
            $keyLabel = 'WF_LABEL_NAME';

            if (isset($this->element['keyName'])) {
                $keyName = $this->element['keyName'];
            }

            if (isset($this->element['keyLabel'])) {
                $keyLabel = htmlspecialchars($this->element['keyLabel'], ENT_QUOTES, 'UTF-8');
            }

            $xml .= '<field name="' . $keyName . '" type="text" label="' . $keyLabel . '" description="" />';

            $valueName = 'value';
            $valueLabel = 'WF_LABEL_VALUE';

            if (isset($this->element['valueName'])) {
                $valueName = $this->element['valueName'];
            }

            if (isset($this->element['valueLabel'])) {
                $valueLabel = htmlspecialchars($this->element['valueLabel'], ENT_QUOTES, 'UTF-8');
            }

            $xml .= '<field name="' . $valueName . '" type="text" label="' . $valueLabel . '" description="" />';

            if ($this->element['boolean']) {
                $xml .= '<field name="boolean" type="checkbox" class="wf-keyvalue-boolean" label="' . Text::_('WF_LABEL_BOOLEAN') . '" description="" />';
            }

            $xml .= '</fields></form>';
        
            $subForm->load($xml);
        }

        $fields = $subForm->getFieldset();

        // And finaly build a main container
        $str = array();

        $sortable = '';

        if (isset($this->element['sortable'])) {
            $sortable = ' data-sortable="' . $this->element['sortable'] . '"';
        }

        $str[] = '<div class="form-field-repeatable"' . $sortable . '>';

        foreach ($values as $value) {
            $str[] = '<div class="form-field-repeatable-item wf-keyvalue">';
            $str[] = '  <div class="form-field-repeatable-item-group well p-4 card">';

            $n = 0;

            foreach ($fields as $field) {
                $tmpField = clone $field;
                
                $tmpField->element['multiple'] = true;

                $name = (string) $tmpField->element['name'];

                $val = is_array($value) && isset($value[$name]) ? $value[$name] : '';

                // escape value
                $tmpField->value = htmlspecialchars_decode($val);

                $tmpField->setup($tmpField->element, $tmpField->value, $this->group);

                // reset id
                $tmpField->id .= '_' . $n;

                // reset name
                $tmpField->name = $name;

                $str[] = $tmpField->renderField(array('description' => $tmpField->description));

                $n++;
            }

            $str[] = '  </div>';

            $str[] = '  <div class="form-field-repeatable-item-control">';
            $str[] = '      <button class="btn btn-link form-field-repeatable-add" aria-label="' . Text::_('JGLOBAL_FIELD_ADD') . '"><i class="icon icon-plus pull-right float-right"></i></button>';
            $str[] = '      <button class="btn btn-link form-field-repeatable-remove" aria-label="' . Text::_('JGLOBAL_FIELD_REMOVE') . '"><i class="icon icon-trash pull-right float-right"></i></button>';
            $str[] = '  </div>';

            $str[] = '</div>';
        }

        if (!empty($this->value)) {
            $this->value = htmlspecialchars(json_encode($values));
        }

        $str[] = '<input type="hidden" name="' . $this->name . '" value="' . $this->value . '" />';

        $str[] = '</div>';

        return implode("", $str);
    }
}