<?php

namespace common\expand\alipay;

use Alipay\EasySDK\Kernel\Config;
use Alipay\EasySDK\Util\Generic\Models\AlipayOpenApiGenericResponse;
use common\enums\StatusEnum;
use common\models\user\User;
use common\models\user\UserInfo;
use Yii;
use yii\helpers\Json;

abstract class AlipayAbstract
{

    protected $data = [];

    protected $config = [];

    /**
     * 支付宝method
     * @var string
     */
    protected $alipay_method;

    /**
     * @var AlipayFactory
     */
    protected $alipayFactory;

    public function __construct(array $data)
    {
        $this->data = $data;
        $this->config = \Yii::$app->services->setting->mall->get($data['mall_id'], 'alipay_mini');
        $this->alipayFactory = AlipayFactory::setOptions($this->getOptions());
    }

    /**
     * @return Config
     */
    private function getOptions(): Config
    {
        $options = new Config();
        $options->protocol = 'https';
        $options->gatewayHost = 'openapi.alipay.com';
//        $options->gatewayHost = 'openapi.alipaydev.com';    //  测试环境
        $options->signType = 'RSA2';

        $options->appId = $this->config['app_id'];

        // 为避免私钥随源码泄露，推荐从文件中读取私钥字符串而不是写入源码中
        $options->merchantPrivateKey = $this->config['merchantPrivateKey'];

        if (!empty($this->config['is_use_cert'])) {  //  如果启用证书模式
            $options->alipayCertPath = dirname(Yii::$app->basePath).'/'.$this->config['alipayCertPath'];
            $options->alipayRootCertPath = dirname(Yii::$app->basePath).'/'.$this->config['alipayRootCertPath'];
            $options->merchantCertPath = dirname(Yii::$app->basePath).'/'.$this->config['merchantCertPath'];
        } else {
            //注：如果采用非证书模式，则无需赋值上面的三个证书路径，改为赋值如下的支付宝公钥字符串即可
            $options->alipayPublicKey = file_get_contents(dirname(Yii::$app->basePath).'/'.$this->config['alipayCertPath']);
        }

        //可设置异步通知接收服务地址（可选）
        $options->notifyUrl = '';

        //可设置AES密钥，调用AES加解密相关接口时需要（可选）
        $options->encryptKey = $this->config['encryptKey'];

        return $options;
    }

    /**
     * 获取支付宝用户id
     * @return int|string
     * @throws \Exception
     */
    protected function getAlipayOpenIdByUserId()
    {
        $identity = UserInfo::find()->where(['user_id' => $this->data['user_id']])
            ->andWhere(['platform' => User::PLATFORM_MP_ALI])
            ->select('openid')->scalar();
        if (empty($identity)) throw new \Exception("当前用户未绑定支付宝: {$this->data['user_id']}");
        return $identity;
    }

    /**
     * @param AlipayOpenApiGenericResponse $response
     * @return mixed|null
     */
    protected function formatResponse(AlipayOpenApiGenericResponse $response)
    {
        $httpBody = Json::decode($response->httpBody);
        if (!empty($this->alipay_method)) {
            return $httpBody[str_replace('.', '_', "{$this->alipay_method}_response")];
        }
        return $httpBody;
    }
}