<?php
namespace refill\yichangt;

require_once(BASE_HELPER_RAPI_PATH . '/yichangt/config.php');

use refill;

class RefillCallBack implements refill\IRefillCallBack
{
    public function verify($params): bool
    {
        $input = $params;
        unset($input['signature']);
        $input['token'] = sha1(config::APP_ID . '|' . config::APP_SECRET);
        $sign = $this->sign($input);
        if ($params['signature'] == $sign) {
            return true;
        } else {
            return false;
        }
    }

    private function sign($params)
    {
        ksort($params);

        $signature_string = '';
        foreach ($params as $k => $v) {
            if (strlen($v)) {
                $signature_string .= $k . '=' . $v . '&';
            }
        }
        $signature_string = substr($signature_string, 0, -1);

        return sha1($signature_string);
    }


    public function notify($params)
    {
        $status = intval($params['status']);
        $order_sn = $params['merchant_order_id'];
        $order_info = Model('vr_order')->getOrderInfo(['order_sn' => $order_sn]);
        if (empty($order_info)) {
            return [false, false, false,false];
        }

        $order_id = $order_info['order_id'];
        if ($status === 2) {
            $data['official_sn'] = strtolower($params['s_nubmer']) == 'null' ? '' : $params['s_nubmer'];
            Model('refill_order')->edit($order_id, $data);
            return [$order_id, true, false, true];
        } elseif ($status === 3) {
            return [$order_id, false, true, true];
        } else {
            return [$order_id, false, false, false];
        }
    }
}