<?php
/**
 * NOTICE OF LICENSE
 *
 * This file is licenced under the Software License Agreement.
 * With the purchase or the installation of the software in your application
 * you accept the licence agreement.
 *
 * You must not modify, adapt or create derivative works of this source code
 *
 * @author    Doofinder
 * @copyright Doofinder
 * @license   GPLv3
 *
 */

require_once _PS_MODULE_DIR_ . 'doofinder/lib/EasyREST.php';

class DoofinderLayerApi
{
    /**
     * Function that returns a hashid given an installationID, currency and language.
     * Since this API returns the default hashid if both currency and language do not match,
     * a check is made to see if the desired hashid is returned.
     */
    public static function getHashidByInstallationID($installationID, $currency, $language)
    {
        $client = new EasyREST();
        $base_endpoint = "https://eu1-layer.doofinder.com/api/1/installation";
        $api_endpoint = $base_endpoint."/".$installationID.'?currency='.$currency.'&language='.$language;

        $response = $client->get($api_endpoint);

        if ((int)$response->headers['code'] === 200) {
            $options = json_decode($response->response)->options;
            if ($currency === $options->currency && $language === $options->language) {
                return $options->hashid;
            }
        }
        
        return null;
    }
}