<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Login;
use Yo;
class SmsController extends Controller
{
  public     $accessKeyId = 'LTAI5t9b1Wb2vyqLvzYbDnMs';
  public     $accessKeySecret = 'I8eBmBa9ysd0U641NYqI0Y7twSplme';
  public     $signName = '北京国康';
  public     $TemplateCode = 'SMS_162522586';
  public      $Lifespan=1;//验证码有效期单位分钟
  public function SendSms(Request $request)
  {
    Login::user();
  //  $lifespan=10;//验证码有效期单位分钟
      $phone = $request->post('phone');
      if(strlen($phone)!==11) Yo::error_echo(200093);
      $code=$this->generateCode();
      if(strlen($code)===4){
        $cha=DB::table('sms')->where(['phone'=>$phone])->orderBy('id','desc')->first();
        if(!!$cha){
          $specificTimeTimestamp = strtotime($cha->created_at);
        // 计算一分钟之后的时间戳
          $oneMinuteLaterTimestamp = strtotime('+1 minute', $specificTimeTimestamp);
          if($oneMinuteLaterTimestamp>time()){
            Yo::error_echo(200094);
          }
        }
        $end_time = strtotime('+'.$this->Lifespan.' minute', time());

        $in=DB::table('sms')->insert([
          'code'=>$code,
          'phone'=>$phone,
          'status'=>0,
          'lifespan'=>$this->Lifespan,
          'end_time'=>date('Y-m-d H:i:s', $end_time)
        ]);
        if($in){
           //调用发送短信接口
          $templateParam = json_encode(['code' => $code], JSON_UNESCAPED_UNICODE);
          $send= self::sendSms2($phone,$templateParam);
          if($send->Code=="OK"){
            return Yo::echo(['status' => true]);
          }else{
            Yo::error_echo(200096);
          }

        }
      }
  }
  //校验短信验证码
  public function CheckCode($phone,$code)
  {
    $nowtime=date('Y-m-d H:i:s');
    $cha=DB::table('sms')->where(['phone'=>$phone,'code'=>$code,'status'=>0,['end_time','>',$nowtime]])->first();
    if(!!$cha){
      $u=DB::table('sms')->where(['id'=>$cha->id])->update([
        'status'=>1
      ]);
      if($u){
        return true;
      }
    }else{
      return false;
    }
  }
  // 生成随机验证码
  function generateCode($length = 4) {
    $characters = '0123456789';
    $code = '';
    for ($i = 0; $i < $length; $i++) {
      $code .= $characters[rand(0, strlen($characters) - 1)];
    }
    return $code;
  }


  public function testSms(){
    $templateParam = json_encode(['code' => '0245'], JSON_UNESCAPED_UNICODE);
    $send= self::sendSms2('19933509886',$templateParam);
    return $send;
  }
  public function sendSms2($mobile,$paramString) {
    //$mobile='19933509886';
    //  $paramString='';
    $params = array ();
    $accessKeyId = $this->accessKeyId;
    $accessKeySecret = $this->accessKeySecret;
    $params["PhoneNumbers"] = $mobile;
    $params["SignName"] = $this->signName;
    $params["TemplateCode"] = $this->TemplateCode;
    $params['TemplateParam'] = $paramString;
    $content = $this->request(
      $accessKeyId,
      $accessKeySecret,
      "dysmsapi.aliyuncs.com",
      array_merge($params, array(
        "RegionId" => "cn-hangzhou",
        "Action" => "SendSms",
        "Version" => "2017-05-25",
      ))
    );

    return $content;
  }

  public function request($accessKeyId, $accessKeySecret, $domain, $params, $security=false) {
    $apiParams = array_merge(array (
      "SignatureMethod" => "HMAC-SHA1",
      "SignatureNonce" => uniqid(mt_rand(0,0xffff), true),
      "SignatureVersion" => "1.0",
      "AccessKeyId" => $accessKeyId,
      "Timestamp" => gmdate("Y-m-d\TH:i:s\Z"),
      "Format" => "JSON",
    ), $params);
    ksort($apiParams);
    $sortedQueryStringTmp = "";
    foreach ($apiParams as $key => $value) {
      $sortedQueryStringTmp .= "&" . $this->encode($key) . "=" . $this->encode($value);
    }

    $stringToSign = "GET&%2F&" . $this->encode(substr($sortedQueryStringTmp, 1));

    $sign = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&",true));

    $signature = $this->encode($sign);

    $url = ($security ? 'https' : 'http')."://{$domain}/?Signature={$signature}{$sortedQueryStringTmp}";

    try {
      $content = $this->fetchContent($url);
      return json_decode($content);
    } catch( \Exception $e) {
      return false;
    }
  }

  private function encode($str)
  {
    $res = urlencode($str);
    $res = preg_replace("/\+/", "%20", $res);
    $res = preg_replace("/\*/", "%2A", $res);
    $res = preg_replace("/%7E/", "~", $res);
    return $res;
  }

  private function fetchContent($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
      "x-sdk-client" => "php/2.0.0"
    ));

    if(substr($url, 0,5) == 'https') {
      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
      curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    }

    $rtn = curl_exec($ch);

    if($rtn === false) {
      trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR);
    }
    curl_close($ch);

    return $rtn;
  }

}