<?php
declare (strict_types=1);

namespace app\common\library\wxserver;

use app\common\model\WxserverAccount;
use think\facade\Cache;
use think\facade\Db;

class Server
{
    const APPID = 'wxc03d95d3597e348a';
    const SECRET = 'e2720e31673906be6e92afd377b927ba';
    const TOKEN = 'obUzmSA4MvMjOblZ5NCpgecTZYaGtAg6';//消息校验Token
    const KEY = '2tujZuThOCzcuoBcBmeqMPjL6phcsv2dY7pgwYJwdtX'; //消息加解密Key
    protected WxBizMsgCrypt $crypt;

    public function __construct()
    {
        $this->crypt = new WxBizMsgCrypt(self::TOKEN, self::KEY, self::APPID);
    }

    /**
     * @notes:保存Ticket
     * @param string $xml
     * @return mixed|string
     * @author: wanghousheng
     */
    public function getVerifyTicket(string $xml)
    {
        $ticket = '';
        $xmlData = $this->crypt->fromXml($xml);
        if (!empty($xmlData['Encrypt'])) {
            //解密
            $encryptXml = $this->crypt->decryptMsg($xmlData['Encrypt']);
            $data = $this->crypt->fromXml($encryptXml);
            if (!empty($data['ComponentVerifyTicket'])) {
                $ticket = $data['ComponentVerifyTicket'];
                Db::table('yoshop_wx_server')->insertGetId(['content' => '存入ticket成功&' . $ticket, 'created_at' => date('Y-m-d H:i:s')]);
                Cache::set('component_verify_ticket', $ticket, 3600);
            }
        }
        return $ticket;
    }

    /**
     * @notes:获取令牌
     * @return mixed|string
     * @author: wanghousheng
     */
    public function getComponentAccessToken()
    {
        if (Cache::has('ComponentAccessToken')) {
            return Cache::get('ComponentAccessToken');
        }
        $url = 'https://api.weixin.qq.com/cgi-bin/component/api_component_token';
        $ticket = Cache::get('component_verify_ticket');
        if (!empty($ticket)) {
            $data = [];
            $data['component_appid'] = self::APPID;
            $data['component_appsecret'] = self::SECRET;
            $data['component_verify_ticket'] = $ticket;
            $result = $this->curlPost($url, json_encode($data), 10);
            $result = json_decode($result, true);
            if (!empty($result['component_access_token'])) {
                Cache::set('ComponentAccessToken', $result['component_access_token'], 6200);
                return $result['component_access_token'];
            }
        }
        return '';
    }

    /**
     * @notes:生成H5授权链接
     * @param string $redirect_uri //授权后重定向的回调链接地址
     * @param string $biz_appid //业务公众号appid
     * @return string
     * @author: wanghousheng
     */
    public function jumpH5Url(string $redirect_uri, string $biz_appid = ''): string
    {
        $url = '';
        $auth_code = $this->getPreAuthCode();
        if ($auth_code) {
            $url = "'https://open.weixin.qq.com/wxaopen/safe/bindcomponent?action=bindcomponent&no_scan=1";
            $url .= "&component_appid=" . self::APPID . '&pre_auth_code=' . $auth_code . '&redirect_uri=' . $redirect_uri;
            $url .= '&auth_type=3&biz_appid=' . $biz_appid . '#wechat_redirect';
        }
        return $url;
    }

    /**
     * @notes:获取预授权码
     * @return false|mixed
     * @author: wanghousheng
     */
    public function getPreAuthCode()
    {
        $token = $this->getComponentAccessToken();
        if ($token) {
            $url = 'https://api.weixin.qq.com/cgi-bin/component/api_create_preauthcode?component_access_token=' . $token;
            $data['component_appid'] = self::APPID;
            $result = $this->curlPost($url, json_encode($data));
            $result = json_decode($result, true);
            if ($result && !empty($result['pre_auth_code'])) {
                return $result['pre_auth_code'];
            }
        }
        return false;
    }

    /**
     * @notes:获取授权信息
     * @param $authorization_code
     * @author: wanghousheng
     */
    public function authorizationInfo($authorization_code)
    {
        $url = 'https://api.weixin.qq.com/cgi-bin/component/api_query_auth?component_access_token=' . $this->getComponentAccessToken();
        $data = [];
        $data['component_appid'] = self::APPID;
        $data['authorization_code'] = $authorization_code;
        $result = $this->curlPost($url, json_encode($data));
        $result = json_decode($result, true);
        if ($result && !empty($result['authorization_info']) && !empty($result['authorization_info']['authorizer_appid'])) {
            $url = 'https://api.weixin.qq.com/cgi-bin/component/api_get_authorizer_info?component_access_token=' . $this->getComponentAccessToken();
            $data = [];
            $data['component_appid'] = self::APPID;
            $data['authorizer_appid'] = $result['authorization_info']['authorizer_appid'];
            $res = $this->curlPost($url, json_encode($data));
            $res = json_decode($res, true);
            if ($res && !empty($res['authorizer_info']) && !empty($res['authorization_info'])) {
                $authorizer_info = $res['authorizer_info'];
                $authorization_info = $res['authorization_info'];
                $insert_data['appid'] = $authorization_info['authorizer_appid'];
                $insert_data['access_token'] = $result['authorization_info']['authorizer_access_token'];
                $insert_data['refresh_token'] = $authorization_info['authorizer_refresh_token'];
                $insert_data['nick_name'] = $authorizer_info['nick_name'];
                $insert_data['head_image'] = $authorizer_info['head_img'];
                $insert_data['user_name'] = $authorizer_info['user_name'];
                $insert_data['qrcode_image'] = $authorizer_info['qrcode_url'];
                $insert_data['principal_name'] = $authorizer_info['principal_name'];
                $insert_data['signature'] = $authorizer_info['signature'];
                $model = new WxserverAccount();
                $model->insertGetId($insert_data);
            }
        }
    }

    private function curlPost($url, $post_data, $timeout = 5)
    {
        $ch = curl_init();
        if (stripos($url, 'https://') !== false) {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($ch, CURLOPT_SSLVERSION, 1);
        }
        if (is_string($post_data)) {
            $strPOST = $post_data;
        } else {
            $aPOST = array();
            foreach ($post_data as $key => $val) {
                $aPOST[] = $key . '=' . urlencode($val);
            }
            $strPOST = join('&', $aPOST);
        }
        curl_setopt($ch, CURLOPT_HTTP_VERSION, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $strPOST);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
        $result = curl_exec($ch);
        $aStatus = curl_getinfo($ch);
        curl_close($ch);
        if (intval($aStatus['http_code']) == 200) {
            return $result;
        } else {
            return false;
        }
    }
}