/**
 * Renders ReCaptcha V2 form
 *
 * Based on https://github.com/google/ReCAPTCHA/tree/master/php
 *
 * @copyright Copyright (c) 2014, Google Inc.
 * @link      http://www.google.com/recaptcha
 *
 * Ported to MODX by YJ Tso @sepiariver
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

// Register API keys at https://www.google.com/recaptcha/admin
$site_key = $modx->getOption('recaptchav2.site_key', null, '');
// reCAPTCHA supported 40+ languages listed here: https://developers.google.com/recaptcha/docs/language
$lang = $modx->getOption('cultureKey', null, 'en', true);
// use 'recaptchav2_invisible_html' inside form element for invisible recaptcha
$tpl = $modx->getOption('tpl', $scriptProperties, 'recaptchav2_html', true);
$form_id = $modx->getOption('form_id', $scriptProperties, '');

// Merge scriptProperties to support arbitrary placeholders in template
// The ID regex is like that for a reason, see Google
$props = array_merge($scriptProperties, [
    'site_key' => $site_key,
    'lang' => $lang,
    'form_id' => $form_id,
]);
$recaptcha_html = $modx->getChunk($tpl, $props);

if ($hook) { 
    $hook->setValue('recaptchav2_html', $recaptcha_html); // This won't re-render on page reload there's validation errors
    return true;
} else { // This works at least
    return $recaptcha_html;
}