<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services;

use App\Services\Api\MemberService;
use Dotenv\Dotenv;
use Laravel\Socialite\Facades\Socialite;
use SocialiteProviders\WeixinWeb\Provider;

/**
 * 微信服务管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * Class WechatService
 * @package App\Services
 */
class WechatService extends BaseService
{
    // 静态对象
    protected static $instance = null;


    public function __construct()
    {
        $wxAppid = ConfigService::make()->getConfigByCode('wechat_appid');
        $wxAppSecret = ConfigService::make()->getConfigByCode('wechat_appsecret');
        // 配置更新
        if($wxAppid != env('WEIXIN_APP_ID') || $wxAppSecret != env('WEIXIN_SECRET')){
            $env = Dotenv::createArrayBacked(base_path())->load();
            $env['WEIXIN_APP_ID'] = $wxAppid;
            $env['WEIXIN_SECRET'] = $wxAppSecret;
            $envStr = '';
            foreach($env as $k => $v){
                $envStr .= $k.'='.$v."\n";
            }

            file_put_contents(base_path().'/.env', $envStr);
        }
    }

    /**
     * 静态入口
     * @return WechatService|static|null
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = new static();
        }

        return self::$instance;
    }

    /**
     * 微信授权登录
     * @param array $params
     * @return mixed
     */
    public function auth($params=[])
    {
        $openid = isset($params['openid'])? $params['openid'] : '';
        $referrer = isset($params['invite_code'])? $params['invite_code'] : '';
        $accessToken = isset($params['access_token'])? $params['access_token'] : '';
        if(empty($openid) || empty($accessToken)){
            $this->error = '2016';
            return false;
        }

        // 获取微信用户信息
        $wechatInfo = $this->getUserInfo($openid, $accessToken);
        RedisService::set("caches:wechat:{$openid}:temp", ['params'=> $params,'user'=>$wechatInfo], 7200);

        // 注册
        $appSources = isset($params['app_sources'])? $params['app_sources'] : '';
        $wechatInfo['openid'] = $openid;
        $wechatInfo['mobile'] = isset($params['mobile'])? trim($params['mobile']) : '';
        $wechatInfo['device'] = $appSources=='android'? 2 : 1;
        $wechatInfo['invite_code'] = $referrer;
        if(!$result = MemberService::make()->loginByWechat($wechatInfo)){
            $this->error = MemberService::make()->getError();
            return false;
        }else{
            return $result;
        }
    }

    /**
     * 微信用户信息
     * @param $openid
     * @param $accessToken
     * @param false $refresh 是否强制刷新
     * @return array|mixed
     */
    public function getUserInfo($openid, $accessToken, $refresh = false)
    {
        // 获取授权信息
        $cacheKey = "caches:wechat:{$openid}:info_".md5($accessToken);
        $data = RedisService::get($cacheKey);
        $info = isset($data['info'])? $data['info'] : [];
        if($info && !$refresh){
            return $info;
        }

        try {
            $driver = Socialite::with('weixin');
            $driver->setOpenId($openid);
            $wechatInfo = $driver->userFromToken($accessToken);
            if ($wechatInfo) {
                RedisService::set($cacheKey, ['openid' => $openid, 'access_token' => $accessToken, 'info' => $wechatInfo], rand(3600, 7200));
            }
            return $wechatInfo;
        }catch (\Exception $exception){
            RedisService::set($cacheKey.'_error', ['openid' => $openid, 'access_token' => $accessToken, 'error' => $exception->getMessage()], rand(3600, 7200));
            return [];
        }

    }


}