<?php

namespace app\common\library;

use app\common\model\User;
use app\common\model\UserRule;
use fast\Random;
use think\Config;
use think\Db;
use think\Exception;
use think\Hook;
use think\Request;
use think\Validate;

class Auth
{
    protected static $instance = null;
    protected $_error = '';
    protected $_logined = false;
    protected $_user = null;
    protected $_token = '';
    //Token默认有效时长
    protected $keeptime = 2592000;
    protected $requestUri = '';
    protected $rules = [];
    //默认配置
    protected $config = [];
    protected $options = [];
    protected $allowFields = ['id', 'nickname', 'mobile', 'avatar', 'gender','birthday','age',
        'province','city','district','province_name','city_name','district_name','lng', 'lat',
        'money','frozen','expect_ids','constellation','hobby_ids','profession','wechat','vip_duetime',
        'wechat_auth','wechat_time','declaration','tag_ids','auth_time','is_auth','is_goddess',
        'income','recharge_auth','view_count','invite_no','pre_user_id','invite_time','emcid', 'copy_mobile', 'is_auth_person', 'diamond'];

    public function __construct($options = [])
    {
        if ($config = Config::get('user')) {
            $this->config = array_merge($this->config, $config);
        }
        $this->options = array_merge($this->config, $options);
    }

    /**
     *
     * @param array $options 参数
     * @return Auth
     */
    public static function instance($options = [])
    {
        if (is_null(self::$instance)) {
            self::$instance = new static($options);
        }

        return self::$instance;
    }

    /**
     * 获取User模型
     * @return User
     */
    public function getUser()
    {
        return $this->_user;
    }

    /**
     * 兼容调用user模型的属性
     *
     * @param string $name
     * @return mixed
     */
    public function __get($name)
    {
        return $this->_user ? $this->_user->$name : null;
    }

    /**
     * 兼容调用user模型的属性
     */
    public function __isset($name)
    {
        return isset($this->_user) ? isset($this->_user->$name) : false;
    }

    /**
     * 根据Token初始化
     *
     * @param string $token Token
     * @return boolean
     */
    public function init($token)
    {
        if ($this->_logined) {
            return true;
        }
        if ($this->_error) {
            return false;
        }
        $data = Token::get($token);
        if (!$data) {
            return false;
        }
        $user_id = intval($data['user_id']);
        if ($user_id > 0) {
            $user = User::get($user_id);
            if (!$user) {
                $this->setError('Account not exist');
                return false;
            }
            if ($user['status'] == 'hidden') {
                $this->setError('Account is locked');
                return false;
            }
            if ($user['status'] == 'logout') {
                $this->setError('账户已注销');
                return false;
            }
            $this->_user = $user;
            $this->_logined = true;
            $this->_token = $token;

            //记录用户访问时间
            $info = Db::name('user_info')->where(['user_id' => $user_id])->find();
            if (!$info) {
                Db::name('user_info')->insertGetId(['user_id' => $user_id, 'asktime' => time()]);
            } else {
                $asktime_before = explode(',', $info['asktime']);
                if (count($asktime_before) < 20) {
                    $asktime_now = $info['asktime'] . ',' . time();
                } else {
                    unset($asktime_before[0]);
                    $asktime_now = join(',', $asktime_before) . ',' . time();
                }

                Db::name('user_info')->where(['user_id' => $user_id])->setField('asktime', $asktime_now);
            }

            //初始化成功的事件
            Hook::listen("user_init_successed", $this->_user);

            return true;
        } else {
            $this->setError('You are not logged in');
            return false;
        }
    }

    /**
     * 注册用户
     *
     * @param string $username 用户名
     * @param string $password 密码
     * @param string $email    邮箱
     * @param string $mobile   手机号
     * @param array  $extend   扩展参数
     * @return boolean
     */
    public function register($username, $password,$mobile = '', $extend = [])
    {
        // 检测用户名、昵称、邮箱、手机号是否存在
        if (User::getByUsername($username)) {
            $this->setError('Username already exist');
            return false;
        }
        if (User::getByNickname($username)) {
            $this->setError('Nickname already exist');
            return false;
        }
        if ($mobile && User::getByMobile($mobile)) {
            $this->setError('Mobile already exist');
            return false;
        }

        $invite_no = User::column("invite_no");
        $data = [
            'invite_no'     => $this->getUinqueNo(6,$invite_no),
            'username' => $username,
            'password' => $password,
            'mobile'   => $mobile,
            'level'    => 1,
            'score'    => 0,
        ];
        $params = array_merge($data, [
            'salt'      => Random::alnum(),
            'logintime'      => time(),
            'status'    => 'normal'
        ]);
        $params['password'] = $this->getEncryptPassword($password, $params['salt']);

        // 获取默认头像和昵称和交友宣言
        $nickname_arr = array_column(\app\admin\model\website\Nickname::select(),'content');
        $avatar_arr = array_column(\app\admin\model\website\Avatar::select(),'content');
        $declaration_arr = array_column(\app\admin\model\website\Declaration::select(),'content');

        $params['nickname'] = $nickname_arr?$nickname_arr[array_rand($nickname_arr,1)]:'';
        $params['avatar'] = $avatar_arr?$avatar_arr[array_rand($avatar_arr,1)]:'';
        $params['declaration'] = $declaration_arr?$declaration_arr[array_rand($declaration_arr,1)]:'';

        $extend && $params = array_merge($params, $extend);

        //账号注册时需要开启事务,避免出现垃圾数据
        Db::startTrans();
        try {
            $user = User::create($params, true);

            $this->_user = User::get($user->id);

            //设置Token
            $this->_token = Random::uuid();
            Token::set($this->_token, $user->id, $this->keeptime);

            //设置登录状态
            $this->_logined = true;

            //注册成功的事件
            Hook::listen("user_register_successed", $this->_user, $data);
            Db::commit();
        } catch (Exception $e) {
            $this->setError($e->getMessage());
            Db::rollback();
            return false;
        }
        return true;
    }
    /**
     * 生成不重复的随机数字字母组合
     */
    function getUinqueNo($length = 6,$nos = []) {
        $newid = Random::build("alnum",$length);
        if(in_array($newid,$nos)) {
            $this->getUinqueNo(6,$nos);
        }
        return $newid;
    }
    /**
     * 用户登录
     *
     * @param string $account  账号,用户名、邮箱、手机号
     * @param string $password 密码
     * @return boolean
     */
    public function login($account, $password)
    {
        $field = Validate::is($account, 'email') ? 'email' : (Validate::regex($account, '/^1\d{10}$/') ? 'mobile' : 'username');
        $user = User::get([$field => $account]);
        if (!$user) {
            $this->setError('Account is incorrect');
            return false;
        }

        if ($user->status == 'hidden') {
            $this->setError('Account is locked');
            return false;
        }
        if ($user->status == 'logout') {
            $this->setError('账号已注销');
            return false;
        }
        if ($user->password != $this->getEncryptPassword($password, $user->salt)) {
            $this->setError('Password is incorrect');
            return false;
        }

        //直接登录会员
        $this->direct($user->id);

        return true;
    }

    /**
     * 退出
     *
     * @return boolean
     */
    public function logout()
    {
        if (!$this->_logined) {
            $this->setError('You are not logged in');
            return false;
        }
        //设置登录标识
        $this->_logined = false;
        //删除Token
        Token::delete($this->_token);
        //退出成功的事件
        Hook::listen("user_logout_successed", $this->_user);
        return true;
    }

    /**
     * 修改密码
     * @param string $newpassword       新密码
     * @param string $oldpassword       旧密码
     * @param bool   $ignoreoldpassword 忽略旧密码
     * @return boolean
     */
    public function changepwd($newpassword, $oldpassword = '', $ignoreoldpassword = false)
    {
        if (!$this->_logined) {
            $this->setError('You are not logged in');
            return false;
        }
        //判断旧密码是否正确
        if ($this->_user->password == $this->getEncryptPassword($oldpassword, $this->_user->salt) || $ignoreoldpassword) {
            Db::startTrans();
            try {
                $salt = Random::alnum();
                $newpassword = $this->getEncryptPassword($newpassword, $salt);
                $this->_user->save(['loginfailure' => 0, 'password' => $newpassword, 'salt' => $salt]);

                Token::delete($this->_token);
                //修改密码成功的事件
                Hook::listen("user_changepwd_successed", $this->_user);
                Db::commit();
            } catch (Exception $e) {
                Db::rollback();
                $this->setError($e->getMessage());
                return false;
            }
            return true;
        } else {
            $this->setError('Password is incorrect');
            return false;
        }
    }

    /**
     * 直接登录账号
     * @param int $user_id
     * @return boolean
     */
    public function direct($user_id)
    {
        $user = User::get($user_id);
        if ($user) {
            Db::startTrans();
            try {
                // 先清除所有token
                Token::clear($user->id);

                $ip = request()->ip();
                $time = time();


                $user->logintime = $time;

                $user->save();

                $this->_user = $user;

                $this->_token = Random::uuid();
                Token::set($this->_token, $user->id, $this->keeptime);

                $this->_logined = true;

                //登录成功的事件
                Hook::listen("user_login_successed", $this->_user);
                Db::commit();
            } catch (Exception $e) {
                Db::rollback();
                $this->setError($e->getMessage());
                return false;
            }
            return true;
        } else {
            return false;
        }
    }

    /**
     * 检测是否是否有对应权限
     * @param string $path   控制器/方法
     * @param string $module 模块 默认为当前模块
     * @return boolean
     */
    public function check($path = null, $module = null)
    {
        if (!$this->_logined) {
            return false;
        }

        $ruleList = $this->getRuleList();
        $rules = [];
        foreach ($ruleList as $k => $v) {
            $rules[] = $v['name'];
        }
        $url = ($module ? $module : request()->module()) . '/' . (is_null($path) ? $this->getRequestUri() : $path);
        $url = strtolower(str_replace('.', '/', $url));
        return in_array($url, $rules) ? true : false;
    }

    /**
     * 判断是否登录
     * @return boolean
     */
    public function isLogin()
    {
        if ($this->_logined) {
            return true;
        }
        return false;
    }

    /**
     * 获取当前Token
     * @return string
     */
    public function getToken()
    {
        return $this->_token;
    }

    /**
     * 获取会员基本信息
     */
    public function getUserinfo()
    {
        $data = $this->_user->toArray();
        $allowFields = $this->getAllowFields();
        $userinfo = array_intersect_key($data, array_flip($allowFields));
        $userinfo = array_merge($userinfo, Token::get($this->_token));
        if($userinfo['vip_duetime'] > time()) $userinfo['is_vip'] = 1;
        elseif($userinfo['vip_duetime'] > 0)  $userinfo['is_vip'] = -1;
        else $userinfo['is_vip'] = 0;
        $userinfo['vip_duetime'] = date('Y-m-d H:i:s',$userinfo['vip_duetime']);
        $userinfo['hobby_ids'] = \app\common\model\Hobby::getHobbyNames($userinfo['hobby_ids']);
        $userinfo['expect_ids'] = \app\common\model\Expect::getExpectNames($userinfo['expect_ids']);
        $userinfo['nickname_auth_stauts'] = \app\common\model\NicknameAuth::getAuthStatus($userinfo['id'],$userinfo['nickname']);
        $userinfo['avatar_auth_stauts'] = \app\common\model\AvatarAuth::getAuthStatus($userinfo['id'],$userinfo['avatar']);
        $userinfo['wechat_auth_stauts'] = \app\common\model\WechatAuth::getAuthStatus($userinfo['id'],$userinfo['wechat']);
        return $userinfo;
    }

    /**
     * 获取会员组别规则列表
     * @return array
     */
    public function getRuleList()
    {
        if ($this->rules) {
            return $this->rules;
        }
        $group = $this->_user->group;
        if (!$group) {
            return [];
        }
        $rules = explode(',', $group->rules);
        $this->rules = UserRule::where('status', 'normal')->where('id', 'in', $rules)->field('id,pid,name,title,ismenu')->select();
        return $this->rules;
    }

    /**
     * 获取当前请求的URI
     * @return string
     */
    public function getRequestUri()
    {
        return $this->requestUri;
    }

    /**
     * 设置当前请求的URI
     * @param string $uri
     */
    public function setRequestUri($uri)
    {
        $this->requestUri = $uri;
    }

    /**
     * 获取允许输出的字段
     * @return array
     */
    public function getAllowFields()
    {
        return $this->allowFields;
    }

    /**
     * 设置允许输出的字段
     * @param array $fields
     */
    public function setAllowFields($fields)
    {
        $this->allowFields = $fields;
    }

    /**
     * 删除一个指定会员
     * @param int $user_id 会员ID
     * @return boolean
     */
    public function delete($user_id)
    {
        $user = User::get($user_id);
        if (!$user) {
            return false;
        }
        Db::startTrans();
        try {
            // 删除会员
            User::destroy($user_id);
            // 删除会员指定的所有Token
            Token::clear($user_id);

            Hook::listen("user_delete_successed", $user);
            Db::commit();
        } catch (Exception $e) {
            Db::rollback();
            $this->setError($e->getMessage());
            return false;
        }
        return true;
    }

    /**
     * 获取密码加密后的字符串
     * @param string $password 密码
     * @param string $salt     密码盐
     * @return string
     */
    public function getEncryptPassword($password, $salt = '')
    {
        return md5(md5($password) . $salt);
    }

    /**
     * 检测当前控制器和方法是否匹配传递的数组
     *
     * @param array $arr 需要验证权限的数组
     * @return boolean
     */
    public function match($arr = [])
    {
        $request = Request::instance();
        $arr = is_array($arr) ? $arr : explode(',', $arr);
        if (!$arr) {
            return false;
        }
        $arr = array_map('strtolower', $arr);
        // 是否存在
        if (in_array(strtolower($request->action()), $arr) || in_array('*', $arr)) {
            return true;
        }

        // 没找到匹配
        return false;
    }

    /**
     * 设置会话有效时间
     * @param int $keeptime 默认为永久
     */
    public function keeptime($keeptime = 0)
    {
        $this->keeptime = $keeptime;
    }

    /**
     * 渲染用户数据
     * @param array  $datalist  二维数组
     * @param mixed  $fields    加载的字段列表
     * @param string $fieldkey  渲染的字段
     * @param string $renderkey 结果字段
     * @return array
     */
    public function render(&$datalist, $fields = [], $fieldkey = 'user_id', $renderkey = 'userinfo')
    {
        $fields = !$fields ? ['id', 'nickname', 'level', 'avatar'] : (is_array($fields) ? $fields : explode(',', $fields));
        $ids = [];
        foreach ($datalist as $k => $v) {
            if (!isset($v[$fieldkey])) {
                continue;
            }
            $ids[] = $v[$fieldkey];
        }
        $list = [];
        if ($ids) {
            if (!in_array('id', $fields)) {
                $fields[] = 'id';
            }
            $ids = array_unique($ids);
            $selectlist = User::where('id', 'in', $ids)->column($fields);
            foreach ($selectlist as $k => $v) {
                $list[$v['id']] = $v;
            }
        }
        foreach ($datalist as $k => &$v) {
            $v[$renderkey] = isset($list[$v[$fieldkey]]) ? $list[$v[$fieldkey]] : null;
        }
        unset($v);
        return $datalist;
    }

    /**
     * 设置错误信息
     *
     * @param $error 错误信息
     * @return Auth
     */
    public function setError($error)
    {
        $this->_error = $error;
        return $this;
    }

    /**
     * 获取错误信息
     * @return string
     */
    public function getError()
    {
        return $this->_error ? __($this->_error) : '';
    }
}