<?php
/**
 * Created by PhpStorm.
 * User: zn
 * Date: 2017/7/14
 * Time: 17:47
 */

namespace common\services;


use common\utils\CommUtil;
use DefaultAcsClient;
use DefaultProfile;
use Dysmsapi\Request\V20170525\SendSmsRequest;
use Exception;
use Yii;

class SMSServices
{
    public static function sendSMS($phone, $templateCode)
    {
        $userIp = Yii::$app->request->userIP;

        $ipCount = (int)Yii::$app->redis->get('code.sendIp.' . $userIp);
        if ($ipCount > 6) throw new Exception("请等待60秒后再发送验证码");

        //获取上次发送验证的时间
        $lastSendTime = Yii::$app->redis->get('code.sendTime.' . $phone);

        //检查再次发送间隔
        if ($lastSendTime && time() < ($lastSendTime + 60))
            throw new Exception("请等待60秒后再发送验证码");

        $code = CommUtil::getRandomNum(4);

        //此处需要替换成自己的AK信息
        $accessKeyId = Yii::$app->params['sms_accessId'];
        $accessKeySecret = Yii::$app->params['sms_accessKey'];
        //短信API产品名
        $product = "Dysmsapi";
        //短信API产品域名
        $domain = "dysmsapi.aliyuncs.com";
        //暂时不支持多Region
        $region = "cn-shanghai";

        //初始化访问的acsCleint
        $profile = DefaultProfile::getProfile($region, $accessKeyId, $accessKeySecret);
        DefaultProfile::addEndpoint("cn-shanghai", "cn-shanghai", $product, $domain);
        $acsClient = new DefaultAcsClient($profile);

        $request = new SendSmsRequest();
        //必填-短信接收号码
        $request->setPhoneNumbers($phone);
        //必填-短信签名
        $request->setSignName(Yii::$app->params['sms_signName']);
        //必填-短信模板Code
        $request->setTemplateCode($templateCode);
        //选填-假如模板中存在变量需要替换则为必填(JSON格式)

        $data['code'] = $code;
        $dataJson = json_encode($data);
        $request->setTemplateParam($dataJson);
        //选填-发送短信流水号
//        $request->setOutId("1234");

        //发起访问请求
        $acsResponse = $acsClient->getAcsResponse($request);
        if ($acsResponse->Code != 'OK')
            throw new Exception($acsResponse->Message);

        $ipCount++;

        //缓存数据
        Yii::$app->redis->set('code.sendTime.' . $phone, time(), 6000);
        Yii::$app->redis->set('code.sendCode.' . $phone, $code, 6000);
        Yii::$app->redis->set('code.sendIp.' . $userIp, $ipCount, 3600*24);

        return true;
    }

    /**
     *验证验证码
     * @param $phone
     * @return bool
     */
    public static function validateCode($phone, $code)
    {
        if (!$code) return false;

        $cacheCode = Yii::$app->redis->get('code.sendCode.' . $phone);
        if (!empty($cacheCode) && $cacheCode == $code) return true;

        return false;
    }

    public static function cleanCode($phone)
    {
        Yii::$app->redis->del('code.sendTime.' . $phone);
        Yii::$app->redis->del('code.sendCode.' . $phone);
    }
}