<?php

namespace addons\WechatVideoShop\common\helper;

use addons\WechatVideoShop\common\expand\sdk\weixin\src\model\basic\AccessTokenModel;
use addons\WechatVideoShop\common\expand\sdk\weixin\src\request\basic\AccessTokenRequest;
use GuzzleHttp\Exception\GuzzleException;
use yii\helpers\Json;

class WechatAccessTokenHelper
{
    /**
     * @param array $config
     * @return mixed
     * @throws GuzzleException
     * @throws \Exception
     */
    public static function getAccessToken(array $config)
    {
        $key = "wechat:video:shop:access_token:{$config['wechat_appid']}";
        $access_token = \Yii::$app->redis->get($key);
        if (empty($access_token)) {
            $accessTokenModel = new AccessTokenModel();
            $accessTokenModel->grant_type = 'client_credential';
            $accessTokenModel->appid = $config['wechat_appid'];
            $accessTokenModel->secret = $config['wechat_secret'];

            $resp = WechatRequestHelper::execute(new AccessTokenRequest($config), $accessTokenModel, false);

            $ret = $resp->toArray();
            if (empty($ret['access_token'])) throw new \Exception("access token为空");
            $access_token = $ret['access_token'];
            //  每个小时一次
            \Yii::error("WechatAccessTokenHelper 微信视频号小店access token-> " . Json::encode($ret));
            \Yii::$app->redis->setex($key, !empty($ret['expires_in']) ? intval($ret['expires_in']) - 1000 : 3600, $access_token);
        }
        return $access_token;
    }
}