<?php

namespace refill\tianyi;

class config
{
    const ORDER_URL = 'https://api.800.21cn.com/adapter/v1/remote/numberRecognitionUniversal.do';
    const QUERY_URL = 'https://api.800.21cn.com/adapter/v1/remote/numberRecognitionCheck.do';
    const BALANCE_URL = 'http://api.800.21cn.com/fps/queryChargeBalance.do';

    const PARTNER_NO = '105277719';
    const SECRET_KEY = 'USAJuw0zJkmqM0yA';
    const IV = '2859900876319125';
    const NOTIFY_URL = BASE_SITE_URL . "/mobile/callback/refill_santi.php";
    const ExtHeaders = ['Content-Type: application/json;charset=UTF-8'];

    const contract_id = '103657';
    const activity_id = '107256';
    const service_code = 'FS0001';

    const Products =
        [
        ];


    private static function decodeBytes($hex)
    {
        $str = '';
        for($i=0;$i<strlen($hex);$i+=2){
            $tmpValue = (((ord($hex[$i]) - ord('a')) & 0xf ) <<4) + ((ord($hex[$i+1])- ord('a')) & 0xf);
            $str .= chr($tmpValue);
        }
        return  $str;
    }

    private static function encodeBytes($string)
    {
        $str = '';
        for($i=0;$i<strlen($string);$i++)
        {
            $tmpValue = ord($string[$i]);
            $ch = ($tmpValue >> 4 & 0xf) + ord('a');
            $str .= chr($ch);
            $ch = ($tmpValue & 0xf) + ord('a');
            $str .= chr($ch);
        }
        return $str;
    }
    /**
     * 加密数据
     * @param String $encryptedText 待加密密文
     * @return String
     */
    public static function encrypt(string $encryptedText) {

        $ciphertext = openssl_encrypt($encryptedText, "AES-128-CBC", self::SECRET_KEY, OPENSSL_RAW_DATA, self::IV);
        return self::encodeBytes($ciphertext);
    }
    /**
     * 解密数据
     * @param String $encryptedText 待解密数据
     * @return String
     */
    public static function decrypt(string $encryptedText) {
        $encryptedText = self::decodeBytes($encryptedText);
        return openssl_decrypt($encryptedText, "AES-128-CBC", self::SECRET_KEY, OPENSSL_RAW_DATA, self::IV);
    }
}