<?php
namespace App\Services\Login;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use JWT;

class LoginService
{
    public  function  login($arr){
        date_default_timezone_set('PRC');
        $nowTime=date('Y-m-d H:i:s',time());
        $result = array();
        if(isset($arr['username']) and isset($arr['password'])){

            $query=DB::table('users')->select('id','pwd','group')->where([['username','=',$arr['username']],['status','=',1],['lock_to','<',$nowTime]])->get();
            if(count($query)==1){
                // $hash = password_hash($arr['password'], PASSWORD_DEFAULT);
                // dd($query[0]->pwd);
                $check=$this->CheckPwd(['userid'=>$query[0]->id,'password'=>$arr['password']]);
                if($check['status']){
                    $jwt= new JWT();
                    $accessTimeout = $jwt -> GetGetSecretTimeOut();
                    $refreshTimeout = $jwt -> GetRefreshTokenTimeOut();
                    $access_token = $jwt->BuildJWT('yz','access',$query[0]->id,$query[0]->group,$accessTimeout);
                    $refresh_token = $jwt->BuildJWT('yz','refresh',$query[0]->id,'',$refreshTimeout);
                    if(!empty($arr['mian7'])){
                        $mian7_token = $jwt->BuildJWT('yz','mian7',$query[0]->id,'',$jwt -> GetMian7TokenTimeOut());
                        $result['mian7_token']=$mian7_token;
                    }
                    DB::table('users')->where(['id'=>$query[0]->id,'status'=>1])->update(['token'=>md5($refresh_token)]);
                    $result['token']=$access_token;
                    $result['refresh_token']=$refresh_token;
                    $result['status']='ok';
                }else{
                    $result=$check;
                }

            }else{
                $result['status']='no';
                $result['msg']='查询出错';
            }
        }else{
            $result['status']='no';
            $result['msg']='缺少参数';
        }
        return $result;
    }
    public function CheckPwd($arr){
        date_default_timezone_set('PRC');
        $nowTime=date('Y-m-d H:i:s',time());
        // 当前时间戳XXXX分
        $LockToTime=date('Y-m-d H:i:s', strtotime('+'.env('LOCK_TIME').'minute'));

        $query=DB::table('users')->select('pwd','times','lock_to')->where(['id'=>$arr['userid'],'status'=>1,['lock_to','<',$nowTime]])->get();
        if(count($query)==1){
            if (password_verify($arr['password'],$query[0]->pwd)) {
                $u=DB::table('users')->where(['id'=>$arr['userid']])->update(['times'=>env('LOGOIN_CHECK_FAIL_TIMES')]);
                return ['status'=>true,'msg'=>'ok'];
            }else{
                $shengyuTimes=$query[0]->times;
                if($shengyuTimes==0){
                    $u=DB::table('users')->where(['id'=>$arr['userid']])->update(['times'=>env('LOGOIN_CHECK_FAIL_TIMES')]);
                    $shengyuTimes=env('LOGOIN_CHECK_FAIL_TIMES');
                }
                //减少剩余失败次数
                $jian=DB::table('users')->where(['id'=>$arr['userid'],'status'=>1])->decrement('times',1);
                if($shengyuTimes<=1 and $jian==1){
                    $u=DB::table('users')->where(['id'=>$arr['userid']])->update(['lock_to'=>$LockToTime]);
                }
                return ['status'=>false,'msg'=>'密码不正确,剩余次数'.($shengyuTimes-1)];
            }
        }else{
            return ['status'=>false,'msg'=>'用户不存在或因密码错误次数过多暂时被锁定，请稍后再试'];
        }

    }
}