<?php

namespace app\common\library;

use fast\Http;
use think\Cache;
use think\Session;

/**
 * 微信授权
 *
 */
class Wechat
{
    private $app_id = '';
    private $app_secret = '';

    private $scope = 'snsapi_userinfo';

    public function __construct($app_id, $app_secret)
    {
        $this->app_id = $app_id;
        $this->app_secret = $app_secret;
    }

    /**
     * 获取微信授权链接
     *
     * @return string
     */
    public function getAuthorizeUrl()
    {
        $redirect_uri = addon_url('epay/api/wechat', [], true, true);
        $redirect_uri = urlencode($redirect_uri);
        $state = \fast\Random::alnum();
        Session::set('state', $state);
        return "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->app_id}&redirect_uri={$redirect_uri}&response_type=code&scope={$this->scope}&state={$state}#wechat_redirect";
    }

    /**
     * 获取微信openid
     *
     * @return mixed|string
     */

    /*
     array(5) {
                  ["access_token"] => string(89) "49_r4I-StVANS8uYWTUHG86GJ-g1iH6mMFWy-9LeOta--2l6Bzg8LVDQFu8VSARu87atETzVJFZ-fndy-aQqEb8wQ"
                  ["expires_in"] => int(7200)
                  ["refresh_token"] => string(89) "49_8Vfa-imGcRmUwcESvpvMcEkiuh8kmD_movl9bIz9DV5GonZrqfIya5NgT7G-NMeJ7KTuCjMrSJi4BtojjDxnCQ"
                  ["openid"] => string(28) "o8lxjwRjlDortQKhTk1dpHjQxcBU"
                  ["scope"] => string(15) "snsapi_userinfo"
            }
     * */

    public function getOpenid($code = '')
    {
        $openid = Session::get('openid');
        if (!$openid) {

            $token = $this->getAccessToken($code);
            $openid = isset($token['openid']) ? $token['openid'] : '';
            if ($openid) {
                Session::set("openid", $openid);
            }
        }
        return $openid;
    }

    /*
    array(2) {
              ["ret"] => bool(true)
              ["msg"] => string(307) "{"openid":"o8lxjwRjlDortQKhTk1dpHjQxcBU","nickname":"科","sex":1,"language":"zh_CN","city":"临沂","province":"山东","country":"中国","headimgurl":"https:\/\/thirdwx.qlogo.cn\/mmopen\/vi_32\/LGYWIv4F5vxZ2zCM9GEUynoQeJ6ibX9IfoKPAWLlGIugn1mgaAMPuqxzPBDQ3ktLEv2ia7HmOeJYTg5LofG8YlwQ\/132","privilege":[]}"
            }
     */
    public function getwxuserinfo($code = '')
    {
        $wxuserinfo = Session::get('wxuserinfo');
        if (!$wxuserinfo) {
            /*if (!isset($_REQUEST['code'])) {
                return '';
            } else {
                $code = $_REQUEST['code'];*/
                $token = $this->getAccessToken($code);

                $openid = isset($token['openid']) ? $token['openid'] : '';

                $access_token = isset($token['access_token']) ? $token['access_token'] : '';

                $ret = Http::sendRequest('https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN');
                if ($ret['ret']) {
                    $wxuserinfo = json_decode($ret['msg'], true);
                    Session::set('wxuserinfo', $wxuserinfo);
                }else{
                    $wxuserinfo = [];
                }

            /*}*/
        }
        return $wxuserinfo;
    }


    /**
     * 获取授权token网页授权
     *
     * @param string $code
     * @return mixed|string
     */
    public function getAccessToken($code = '')
    {
        $params = [
            'appid'      => $this->app_id,
            'secret'     => $this->app_secret,
            'code'       => $code,
            'grant_type' => 'authorization_code'
        ];
        $ret = Http::sendRequest('https://api.weixin.qq.com/sns/oauth2/access_token', $params, 'GET');
        if ($ret['ret']) {
            $ar = json_decode($ret['msg'], true);
            return $ar;
        }
        return [];
    }

    public function getPublicAccessToken(){
        $ret = Http::sendRequest('https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid='.$this->app_id.'&secret='.$this->app_secret);

        if ($ret['ret']) {
            $ar = json_decode($ret['msg'], true);

            return $ar['access_token'];
        }
    }

    //{"errcode":0,"errmsg":"ok","msgid":2054095443608862720}
    public function send($ac,$openid,$first,$keyword1,$keyword2,$keyword3,$remark,$color){

        $params = [
            "touser"     => $openid,
            "template_id"       => "lEUyDmLgwIaFDi9SNlIosXe-4fD43SiqSOZigIPOfJ8",
            'url' => 'https://yanglaoweb.lanmaonet.com',
            "data" => [
                "first" => ["value"=>$first,"color"=>$color],
                "keyword1" => ["value"=>$keyword1,"color"=>"#173177"],
                "keyword2" => ["value"=>$keyword2,"color"=>"#173177"],
                "keyword3" => ["value"=>$keyword3,"color"=>"#173177"],
                "remark" => ["value"=>$remark,"color"=>$color],
            ],
            'miniprogram' => [],
        ];

        $rest = curl_post('https://api.weixin.qq.com/cgi-bin/message/template/send?access_token='.$ac,json_encode($params));

    }

    public function getJsticket($code = '')
    {
        $jsticket = Session::get('jsticket');
        if (!$jsticket) {
            $token = $this->getAccessToken($code);
            $params = [
                'access_token' => 'token',
                'type'         => 'jsapi',
            ];
            $ret = Http::sendRequest('https://api.weixin.qq.com/cgi-bin/ticket/getticket', $params, 'GET');
            if ($ret['ret']) {
                $ar = json_decode($ret['msg'], true);
                return $ar;
            }
        }
        return $jsticket;
    }
}