<?php


namespace refill\liantongzx;

class config
{
    //回调地址上游后台配置
    const ORDER_URL = 'https://yx.mail.wo.cn:11443/rechargeplat-rest/rechargeIntf/singleRecharge';
    const QUERY_URL= 'https://yx.mail.wo.cn:11443/rechargeplat-rest/rechargeIntf/queryRechargeRecord';
    const BALANCE_URL= 'https://yx.mail.wo.cn:11443/rechargeplat-rest/getUserBalance';

    const APP_KEY = 'Dbjyz';
    const APP_SECRET = 'C1A0845BEBB9F2BC62A53CC920EF440D';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_liantongzx.php";
    const ExtHeaders = ['Content-Type: application/json' , 'Accept: application/json;charset=UTF-8'];

    public static function sign($params)
    {
        $content = '';
        ksort($params);
        foreach ($params as $key => $val){
            if(false === self::check_empty($val)) {
                $content .= "{$key}{$val}";
            }
        }
        $content .= "key=".config::APP_SECRET;

        return strtoupper(md5($content));
    }

    public static function check_empty($value)
    {
        if (!isset($value))
            return true;
        if ($value === null)
            return true;
        if (trim($value) === "")
            return true;

        return false;
    }
}