<?php

namespace Extend\Ca;

use App\Constants\HttpEnumCode;
use App\Exception\BusinessException;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use Hyperf\Di\Annotation\Inject;
use Hyperf\Utils\ApplicationContext;
use Psr\Container\ContainerInterface;

class Base
{
    #[Inject]
    protected ContainerInterface $container;

    #[Inject]
    protected Client $client;

    protected string $app_id;
    protected string $api_url;
    protected string $secret;

    public function __construct()
    {
        $this->container = ApplicationContext::getContainer();
        $this->client = $this->container->get(Client::class);
    }

    /**
     * 封装公共请求
     * @param string $path
     * @param array $arg
     * @return mixed
     * @throws GuzzleException
     */
    protected function httpRequest(string $path, array $arg = []): mixed
    {
        $option = [
            "headers" => [
                "app_id" => $this->app_id,
                "signature" => $this->getRequestSign($arg),
            ],
        ];

        $arg = array_merge($arg, $option);

        $response = $this->client->post($path, $arg);

        if ($response->getStatusCode() != '200') {
            // 请求失败
            throw new BusinessException($response->getBody()->getContents());
        }
        $body = json_decode($response->getBody(), true);
        dump($body);
        if (empty($body)) {
            // 返回值为空
            throw new BusinessException(HttpEnumCode::getMessage(HttpEnumCode::SERVER_ERROR));
        }

        if ($body['result_code'] != 0) {
            // 请求失败
            if (!empty($body['result_msg'])) {
                throw new BusinessException($body['result_msg']);
            }
            throw new BusinessException(HttpEnumCode::getMessage(HttpEnumCode::SERVER_ERROR));
        }

        return $body['body'];
    }

    /**
     * 获取请求签名
     * @param array $data
     * @return string
     */
    protected function getRequestSign(array $data): string
    {
        $sign_data = array();
        if (isset($data['form_params'])) {
            $sign_data = $data['form_params'];
        }

        if (isset($data['multipart'])) {
            foreach ($data['multipart'] as $item) {
                // pdf进行签章时，此参数为文件流，不参与签名
                if ($item['name'] == "pdfFile") {
                    continue;
                }

                $sign_data[$item['name']] = $item['contents'];
            }
        }

        if (!empty($sign_data)){
            ksort($sign_data);
            $data = implode('&', $sign_data);
        }else{
            $data = "";
        }

        return hash_hmac("sha1", $data, $this->secret);
    }
}