<?php

/**
 * @author Any
 * @description Do it yourself.
 * @date 2018-6-21 21:45:31
 * @version 1.0.0
 */

namespace Wechat;

class WebOauth extends Base
{
    private $authUrl = 'https://open.weixin.qq.com/connect/oauth2/authorize';
    private $tokenUrl = 'https://api.weixin.qq.com/sns/oauth2/access_token';
    private $refreshTokenUrl = 'https://api.weixin.qq.com/sns/oauth2/refresh_token';
    private $userInfoUrl = 'https://api.weixin.qq.com/sns/userinfo';
    
    
    public function getCode($scope,$redirectUrl)
    {
        $scope = trim($scope);
        $authUrl = $this->authUrl .'?appid='.$this->wechat->appId.'&redirect_uri=' . $redirectUrl . '&scope='.$scope.'&response_type=code&state=1#wechat_redirect';
        return $authUrl;        
    }
    
    //获得access_token
    public function getAccessToken($code) {
        $tokenUrl = $this->tokenUrl.'?appid='.$this->wechat->appId.'&secret='.$this->wechat->appSecret.'&code='.$code.'&grant_type=authorization_code';
        $this->wechat->curl->get($tokenUrl);
        $res = json_decode($this->wechat->curl->response, true);
        return $res;
    }    
    
    //获得用户信息
    public function getUserInfo($access_token,$openid) {
        $userInfoUrl = $this->userInfoUrl.'?access_token='.$access_token.'&openid='.$openid;
        $this->wechat->curl->get($userInfoUrl);
        $res = json_decode($this->wechat->curl->response, true);
        return $res;
    }
    
    //refresh_token
    public function getRefreshToken($refreshToken) {
        $refreshTokenUrl = $this->refreshTokenUrl.'?appid='.$this->wechat->appId.'&grant_type=refresh_token&refresh_token='.$refreshToken;
        $this->wechat->curl->get($refreshTokenUrl);
        $res = json_decode($this->wechat->curl->response, true);
        return $res;       
    }
    
}