<?php

declare(strict_types=1);

namespace VK\API;

class CallBack extends CallBackAbstract
{
    /**
     * Адрес для создания колбек-сервера
     * 
     * @var string
     */
    private $url;

    /**
     * Пользовательский ключ колбек-сессии
     * 
     * @var string
     */
    private $secret_key;

    /**
     * Ключ подтверждения колбек сессии
     * 
     * @var string
     */
    private $confirmation_token;

    /**
     * @var int
     */
    private $group_id;

    public function __construct(object $group, array $params = []){
        $this->secret_key = $_ENV['CALLBACK_SECRET_KEY'];
        $this->url = $_ENV['SERVER_DOMAIN'];
        $this->group_id = $group->id;
        $this->group_id->request('groups.addCallbackServer', [
            'group_id' => $this->group_id,
            'url' => $this->url,
            'title' => $this->group_id . 'CallBackServer',
            'secret_key' => $this->secret_key
        ]);
        $this->confirmation_token = request('groups.getCallbackConfirmationCode', [$this->group_id]);
        Curl::post($vk, [$this->confirmation_token]);
    }
}