<?php
/**
 * Qq.php UTF-8
 * QQ登陆Api
 *
 * @date    : 2018/4/25 16:52
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HUOSDK 8.0
 * http://wiki.connect.qq.com/%E4%BD%BF%E7%94%A8authorization_code%E8%8E%B7%E5%8F%96access_token
 */

namespace huolib\oauth\driver;

use huolib\constant\MemConst;
use huolib\oauth\OAuth;
use huolib\tool\Http;
use think\Exception;
use think\Log;

class Qq extends OAuth {
    /**
     * 获取requestCode的api接口
     *
     * @var string
     */
    protected $request_code_url = 'https://graph.qq.com/oauth2.0/authorize';
    /**
     * 获取Access token的api接口
     *
     * @var String
     */
    protected $access_token_url = 'https://graph.qq.com/oauth2.0/token';
    /**
     * WAP网站
     *
     * @var string
     */
    protected $access_token_url_m = 'https://graph.z.qq.com/moc2/token';
    /**
     * 更新Access token的api接口
     *
     * @var String
     */
    protected $refresh_token_url = 'https://api.weixin.qq.com/sns/oauth2/refresh_token';
    /**
     * API根路径
     *
     * @var string
     */
    protected $api_base = 'https://graph.qq.com/';
    /**
     * 获取request_code的额外参数,可在配置中修改 URL查询字符串格式
     *
     * @var string
     */
    protected $authorize = 'get_user_info';

    /**
     * WxQrcode constructor.
     *
     * @param array      $config
     * @param array|null $token
     *
     * @throws \think\Exception
     */
    public function __construct(array $config = [], array $token = null) {
        $_config = $config;
        if (empty($config)) {
            if (file_exists(GLOBAL_CONF_PATH."extra/oauth/qq.php")) {
                $_config = include GLOBAL_CONF_PATH."extra/oauth/qq.php";
            } else {
                $_config = array();
            }
        }
        parent::__construct($_config, $token);
    }

    /**
     *
     * 第一步：获取Authorization Code
     * 请求Authorize访问地址
     *
     * @param string $display
     *
     * @return string 跳转地址
     */
    public function getRequestCodeUrl($display = 'pc') {
        $_display = $display;
        if ('pc' == $_display) {
            $_display = 'default';
            $_request_code_url = $this->request_code_url;
        } else {
            $_display = 'mobile';
            $_request_code_url = $this->request_code_url;
        }
        $params = array(
            'client_id'     => $this->app_key,
            'redirect_uri'  => $this->callback,
            'response_type' => $this->response_type,
            'scope'         => $this->authorize,
            'state'         => $this->getState(),
            'display'       => $_display,
        );

        return $_request_code_url.'?'.http_build_query($params);
    }

    /**
     * Step2：通过Authorization Code获取Access Token
     *
     * @param      $code
     * @param null $extend
     *
     * @return array|null
     * @throws Exception
     */
    public function getAccessToken($code, $extend = null) {
        $_access_token_url = $this->access_token_url;
        $_params = array(
            'grant_type'    => $this->grant_type,
            'client_id'     => $this->app_key,
            'redirect_uri'  => $this->callback,
            'client_secret' => $this->app_secret,
            'code'          => $code,
        );
        $_rdata = Http::get($_access_token_url, $_params);
        if (strpos($_rdata, "callback") !== false) {
            throw new Exception('没有正确获取到token！'.$_rdata);
        }
        $this->token = $this->parseToken($_rdata);

        return $this->token;
    }

    /**
     * 刷新access_token有效期
     *
     * @param        $refresh_token
     *
     *
     * @return array|mixed|null
     * @throws Exception
     */
    public function getRefreshAccessToken($refresh_token) {
        $_params = array(
            'client_id'     => $this->app_key,
            'client_secret' => $this->app_secret,
            'refresh_token' => $refresh_token,
            'grant_type'    => $this->grant_type,
        );
        $_rdata = Http::get($this->refresh_token_url, $_params);
        $this->token = $this->parseToken($_rdata);

        return $this->token;
    }

    /**
     *
     * @param string $api    API
     * @param string $param  调用API的额外参数
     * @param string $method HTTP请求方法 默认为GET
     * @param null   $multi
     *
     * @return mixed
     * @throws Exception
     */
    public function call($api, $param = '', $method = 'GET', $multi = null) {
        $params = array(
            'access_token'       => $this->token['access_token'],
            'openid'             => $this->getOpenid(),
            'oauth_consumer_key' => $this->app_key
        );
        $data = Http::request($this->url($api), $params, $method);

        return json_decode($data, true);
    }

    /**
     * 获取授权用户的用户信息
     * http://wiki.connect.qq.com/get_user_info
     *
     * @return array
     * @throws Exception
     * ret    返回码 msg    如果ret<0，会有相应的错误信息提示，返回数据全部用UTF-8编码。
     * nickname    用户在QQ空间的昵称。 figureurl    大小为30×30像素的QQ空间头像URL。
     * figureurl_1    大小为50×50像素的QQ空间头像URL。
     * figureurl_2    大小为100×100像素的QQ空间头像URL。
     * figureurl_qq_1 大小为40×40像素的QQ头像URL。
     * figureurl_qq_2    大小为100×100像素的QQ头像URL。需要注意，不是所有的用户都拥有QQ的100x100的头像，但40x40像素则是一定会有。
     * gender 性别。 如果获取不到则默认返回"男"
     * is_yellow_vip    标识用户是否为黄钻用户（0：不是；1：是）。
     * vip    标识用户是否为黄钻用户（0：不是；1：是）
     * yellow_vip_level 黄钻等级
     * level    黄钻等级
     * is_yellow_year_vip    标识是否为年费黄钻用户（0：不是； 1：是）
     *
     */
    public function getUserInfo() {
        $_response = $this->call('user/get_user_info');
        if (empty($_response) || (isset($_response['ret']) && $_response['ret'] != 0)) {
            throw new Exception('接口访问失败！'.$_response['msg']);
        } else {
            $_open_id = $this->getOpenid();
            $_unionid = $this->getUnionid();
            $_oauth_data = array(
                'openid'   => $_open_id,
                'unionid'  => $_unionid,
                'channel'  => 'qq',
                'nickname' => $_response['nickname'],
                'gender'   => $this->getGender($_response['gender']),
                'avatar'   => $this->getAvatar($_response['figureurl_qq_1']),
                'token'    => $this->token
            );

            return $_oauth_data;
        }
    }

    /**
     * 获取当前授权用户的SNS标识
     *
     * @throws Exception
     */
    public function getOpenid() {
        $_data = $this->token;
        if (isset($_data['openid'])) {
            return $_data['openid'];
        } elseif ($_data['access_token']) {
            $_param['access_token'] = $_data['access_token'];
            $_param['unionid'] = 1;
            $_response = Http::request($this->url('oauth2.0/me'), $_param);
            $_rdata = json_decode(trim(substr($_response, 9), " );\n"), true);
            if (isset($_rdata['openid'])) {
                return $_rdata['openid'];
            } else {
                throw new Exception("获取用户openid出错：{$_rdata['error_description']}");
            }
        } else {
            throw new Exception('没有获取到openid！');
        }
    }

    /**
     * 获取当前授权用户的SNS标识
     *
     * @throws Exception
     */
    public function getUnionid() {
        $_data = $this->token;
        if ($_data['access_token']) {
            $_param['access_token'] = $_data['access_token'];
            $_param['unionid'] = 1;
            $_response = Http::request($this->url('oauth2.0/me'), $_param);
            $_rdata = json_decode(trim(substr($_response, 9), " );\n"), true);
            if (isset($_rdata['unionid'])) {
                return $_rdata['unionid'];
            } else {
                throw new Exception("获取用户unionid出错：{$_rdata['error_description']}");
            }
        } else {
            throw new Exception('没有获取到unionid！');
        }
    }

    /**
     * 解析access_token方法请求后的返回值
     *
     * @param      $result
     * @param null $extend
     *
     * @return mixed
     * @throws Exception
     */
    protected function parseToken($result, $extend = null) {
        $_rdata = [];
        parse_str($result, $_rdata);
        if ($_rdata['access_token'] && $_rdata['expires_in']) {
            $this->token = $_rdata;
            $_rdata['openid'] = $this->getOpenid();

            return $_rdata;
        } else {
            throw new Exception("获取 ACCESS_token 出错：{$result}");
        }
    }

    /**
     * @param string $gender
     *
     * @return mixed
     */
    private function getGender($gender = '男') {
        switch ($gender) {
            case '男':
                return MemConst::GENDER_M;
            case '女':
                return MemConst::GENDER_F;
            default :
                return MemConst::GENDER_N;
        }
    }

    /**头像处理，修改为https
     *
     * @param string $avatar
     *
     * @return string|string[]|null
     */
    private function getAvatar($avatar = '') {
        $_avatar = $avatar;
        if ('http' == parse_url($_avatar, PHP_URL_SCHEME)) {
            $_avatar = preg_replace("/^http/", "https", $_avatar);
        }

        return $_avatar;
    }
}