<?php


namespace Tool\MayouTool\Sms;


use Tool\MayouTool\HttpCurl;

class QidianyunSms
{
    public static function encodePercent($str)
    {
        $res = urlencode($str);
        $res = preg_replace('/\+/', '%20', $res);
        $res = preg_replace('/\*/', '%2A', $res);
        $res = preg_replace('/%7E/', '~', $res);
        return $res;
    }

    /**
     * @param $apiParams
     * @return string
     */
    public static function buildSign($apiParams)
    {
        ksort($apiParams);
        $canonicalizedQueryString = '';
        foreach ($apiParams as $key => $value) {
            $canonicalizedQueryString .= '&' . self::encodePercent($key) . '=' . self::encodePercent($value);
        }
        $methodType = 'POST';
        return $methodType . '&%2F&' . self::encodePercent(substr($canonicalizedQueryString, 1));
    }

    public static function hmac($stringToSign, $accessSecret)
    {
        return base64_encode(hash_hmac('sha1', $stringToSign, $accessSecret . '&', true));
    }


    public static function send($mobile, $code, $sign_name = null, $template_code = null)
    {
        $content = array(
            'content' => "您的验证码是: $code ，请勿向任何人提供短信验证码，五分钟内有效。",
        );
        $api_params = array(
            'templateParam' => json_encode($content, JSON_UNESCAPED_UNICODE),
            'receiver'      => $mobile,
            'smsSignName'   => env("QIANDIANYUN_SIGN_NAME"),
            'templateCode'  => env("QIANDIANYUN_TEMPLATE_CODE"),
            'timestamp'     => time() * 1000,
            'signType'      => 'HMAC',
            'account'       => env("QIDIANYUN_ACCOUNT"),
        );

        // 组合请求参数
        $sign = self::buildSign($api_params);
        // 根据组合参数和密钥进行签名
        $sign = self::hmac($sign, env("QIANDIANYUN_SECRET"));
        // 将签名增加到参数中
        $api_params['sign'] = $sign;
        // 格式化准备发送参数
//        $sendJson = json_encode($api_params, JSON_UNESCAPED_UNICODE);
//        $ret = HTTP::request(self::API, $sendJson, null, [
//            'Content-Type: application/json; charset=utf-8',
//            'Content-Length: ' . strlen($sendJson)
//        ]);
        $ret = HttpCurl::postCurl(self::API,$api_params);
        return $ret;
    }

    const API = 'https://smsapi.startdt.com/v2/sms/send';
}