<?php

/**
 * 登录控制器
 */
namespace app\service\controller;
use PHPGangsta\GoogleAuthenticator;
use Repository\LogRepository;
use think\Controller;

class Login extends Controller
{
    /**
     * google 二次验证码长度
     * @var int
     */
    protected $googleAuthSecretLength = 64;
    /**
     * google 二次验证码超时时间
     * @var int
     */
    protected $googleAuthTimeout = 300;
    
    public function index()
    {
        $kf_id = input('kf_id');
        if (!empty($kf_id)) {
            $redis = new Redis();
            $result = $redis::instance()->hdel('kfList', 'KF'.$kf_id);
            $update = db('users')->where('id', $kf_id)->update(['online' => 2]);
        }

        $this->assign([
//            'socket' => getHost('ws').':'.config('socket_port'),
             'socket' => config('socket_url').':'.config('socket_port'),
//            'socket' => config('socket_url'),
            'version' => config('version'),
            'ga_android' => config('ga_android'),
            'ga_ios' => config('ga_ios'),
        ]);

        return $this->fetch();
    }

    public function doLogin()
    {
        if(request()->isAjax()){

            $userName = input('post.username');
            $password = input('post.password');

            $user = db('users')->where('user_name', $userName)->find();
            if(empty($user) || !password_verify($password, $user['user_pwd']) || $user['status'] !== 1){
                return json(['code' => -2, 'data' => '', 'msg' => '用户名或密码错误']);
            }
            $token = null;
            if (isset($user['google_secret']) && strlen($user['google_secret']) == $this->googleAuthSecretLength) {
                $token = md5(time().$user['id']);
                $redis = new \Redis();
                $redis->connect(config('cache.host'),config('cache.port'));
                $redis->auth(config('cache.password'));
                $info = ['user_id'=>$user['id'], 'user_name'=>$user['user_name'],
                    'access_token'=>$user['access_token'], 'user_avatar'=>$user['user_avatar']];
                $redis->set($token, json_encode($info), $this->googleAuthTimeout);
                return json(['code' => 1, 'token' => $token, 'msg' => '请输入谷歌验证码']);
            }

            // if($user['online'] == 1){
            //     @unlink(session_save_path()."/".$user['session_id']);
            //     // db('users')->where('id',$this->kf2Num(session('l_user_id')))->update(['session_id'=>$sessionId]);
            // }

            session('kf_token', $user['access_token']);
            // $sessionId = session_id();

            // 设置session标识状态
            session('l_user_name', $user['user_name']);
            session('l_user_id', $user['id']);
            session('l_user_avatar', $user['user_avatar']);
            session('l_user_last_login', time());
            db('users')->where('id', $user['id'])->update(['expire_time' => time()+7*24*60*60]);
            // db('users')->where('id', $user['id'])->update(['expire_time' => time()+7*24*60*60,'session_id'=>"sess_".$sessionId]);
            return json(['code' => 1, 'data' => url('index/index'), 'msg' => '登录成功', 'uinfo' => ['id' => $user['id'],
                'access_token' => $user['access_token']]]);
        }

        $this->error('非法访问');
    }

    public function loginOut()
    {
        $kf_id = session('l_user_id');

        session('l_user_name', null);
        session('l_user_id', null);
        session('l_user_avatar', null);
        session('l_user_last_login', null);

        $this->redirect(url('login/index?kf_id='.$kf_id));
    }

    protected function kf2Num($kfId){
        if(!is_numeric($kfId) && strpos($kfId,'KF') === 0){
            $kfId = substr($kfId,2);
        }
        return $kfId;
    }
    
    public function google_auth ()
    {
        if (request()->isPost()) {
            $google_auth = input('param.google_auth');
            $token = input('param.token');
            
            if (empty($google_auth)) {
                return json(['code' => -1, 'data' => '', 'msg' => '谷歌验证码不能为空']);
            }
            
            if (empty($token)) {
                return json(['code' => -1, 'data' => '', 'msg' => '参数错误']);
            }
            
            $redis = new \Redis();
            $redis->connect(config('cache.host'),config('cache.port'));
            $redis->auth(config('cache.password'));
            $userInfo = $redis->get($token);
            if ($userInfo) {
                $userInfo = json_decode($userInfo, true);
                $ga = new GoogleAuthenticator();
                $google_secret = db('users')->where('id', $userInfo['user_id'])->value('google_secret');
                if($ga->verifyCode($google_secret, $google_auth)){
                    session('kf_token', $userInfo['access_token']);
                    // $sessionId = session_id();
    
                    // 设置session标识状态
                    session('l_user_name', $userInfo['user_name']);
                    session('l_user_id', $userInfo['user_id']);
                    session('l_user_avatar', $userInfo['user_avatar']);
                    session('l_user_last_login', time());
                    db('users')->where('id', $userInfo['user_id'])->update(['expire_time' => time()+7*24*60*60]);
                    // db('users')->where('id', $user['id'])->update(['expire_time' => time()+7*24*60*60,'session_id'=>"sess_".$sessionId]);
                    return json(['code' => 1, 'data' => url('index/index'), 'msg' => '登录成功', 'uinfo' => ['id' => $userInfo['user_id'],
                        'access_token' => $userInfo['access_token']]]);
                }
            }
            
            return json(['code' => -1, 'data' => '', 'msg' => '校验失败']);
        }
        
    }
}