<?php

namespace FluentForm\App\Modules\Form;

use Cleantalk\Antispam\CleantalkRequest;
use FluentForm\Framework\Helpers\ArrayHelper;

class CleanTalkHandler
{
    public static function isEnabled()
    {
        if (!self::isPluginEnabled()) {
            return false;
        }

        $settings = get_option('_fluentform_global_form_settings');
        return $settings && 'yes' == ArrayHelper::get($settings, 'misc.cleantalk_status');
    }

    public static function isPluginEnabled()
    {
        $exists = method_exists('Cleantalk\Antispam\Cleantalk', 'isAllowMessage');
        if ($exists) {
            global $apbct;
            return !!$apbct->data['key_is_ok'];
        }
        return false;
    }

    public static function isSpamSubmission($formData, $form)
    {
        $cleanTalkRequest = self::getCleanTalkRequest($formData, $form);
        $cleanTalk = new \Cleantalk\Antispam\Cleantalk();
        $cleanTalk->server_url = 'https://moderate.cleantalk.org';
        $response = $cleanTalk->isAllowMessage($cleanTalkRequest);

        return 0 == $response->allow;
    }

    protected static function getCleanTalkRequest($data, $form)
    {
        global $apbct;
        $app = wpFluentForm();
        $ip = $app->request->getIp();
        
        $info = [
            'auth_key'             => $apbct->settings['apikey'],
            'sender_ip'            => $ip,
            'contact_form_subject' => $form->title,
            'referrer'             => urlencode($data['_wp_http_referer']),
            'page_url'             => htmlspecialchars(@$_SERVER['SERVER_NAME'] . @$_SERVER['REQUEST_URI']),
            'submit_time'          => isset($_SESSION['ct_submit_time']) ? time() - (int)$_SESSION['ct_submit_time'] : null, //@todo Improve this
            'agent'                => 'php-api',
            'js_on'                => 1,
            'sender_nickname'      => '',
            'sender_email'         => '',
            'message'              => '',
            'phone'                => ''
        ];

        $maps = [
            'input_name'  => 'sender_nickname',
            'input_email' => 'sender_email',
            'textarea'    => 'message',
            'phone'       => 'phone',
        ];
        $inputs = FormFieldsParser::getInputs($form, ['attributes']);

        foreach ($inputs as $input) {
            $element = ArrayHelper::get($input, 'element');
            $key = ArrayHelper::get($input, 'attributes.name');
            if (isset($maps[$element]) && !$info[$maps[$element]]) {
                $value = ArrayHelper::get($data, $key);
                if ($value) {
                    if (is_array($value)) {
                        $value = implode(' ', $value);
                    }
                    $info[$maps[$element]] = $value;
                }
            }
        }

        $info = apply_filters('fluentform/cleantalk_fields', $info, $data, $form);

        return new CleantalkRequest($info);
    }
}