<?php

namespace App\Http\Controllers\API;

use App\Services\TencentSmsApiService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class SmsController
{
    public      $Lifespan=1;//验证码有效期单位分钟
    public function SendCode(Request $request)
    {
        $phoneNumber = $request->input('tel');
        $code = $this->generateCode();

        $service = new TencentSmsApiService();
        $cha=DB::table('sms')->where(['phone'=>$phoneNumber])->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()){
                return \Yz::echoError1('请稍后再试');
            }
        }
        $end_time = strtotime('+'.$this->Lifespan.' minute', time());

        $in=DB::table('sms')->insert([
            'code'=>$code,
            'phone'=>$phoneNumber,
            'status'=>0,
            'lifespan'=>$this->Lifespan,
            'end_time'=>date('Y-m-d H:i:s', $end_time)
        ]);
        if($in){
            $params = [$code,(string)$this->Lifespan];
           $ss= $service->send($phoneNumber, $params);

            return \Yz::Return(true,'短信验证码发送成功');
        }


    }
    //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;
    }
}