<?php

namespace App\helpers;

use Exception;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;

class apiRequest
{

    public static Client|null $client=null;

    public static function getClient(): Client
    {
        if (!self::$client) {
            self::$client = new Client();
        }
        return self::$client;
    }

    /**
     * @throws GuzzleException
     */
    public static function request(string $url, mixed $param=[], FormType $type = FormType::urlencoded, bool $isJson = true, int $timeout = 5, array $extern = []):mixed
    {
        return self::requests(self::getClient(),$url,$param,$type,$isJson,$timeout,$extern);
    }

    /**
     * json请求api
     * @param Client $client
     * @param string $url
     * @param mixed $param
     * @param FormType $type 1 x-www-form-urlencoded,2 json, 3 multipart/form-data 4 get query
     * @param bool $isJson
     * @param int $timeout
     * @param int[] $extern
     * @return mixed
     * @throws GuzzleException
     * @throws Exception
     */
    public static function requests(Client $client,string $url, mixed $param=[], FormType $type = FormType::urlencoded, bool $isJson = true, int $timeout = 5, array $extern = []): mixed
    {
        $params = [
            'timeout' => $timeout
        ];
        switch ($type) {
            case FormType::urlencoded:
                $params['form_params'] = $param;
                $type = 'POST';
                break;
            case FormType::json:
                $params['json'] = $param;
                $type = 'POST';
                break;
            case FormType::formData:
                $params['multipart'] = $param;
                $type = 'POST';
                break;
            default:
                $params['query'] = $param;
                $type = 'GET';
                break;
        }
        if ($extern) {
            $params = array_merge($params, $extern);
        }
        $r = $client->request($type, $url, $params);
        $res = $r->getBody()->getContents();
        if ($isJson) {
            $data = json_decode($res, true);
            if ($data === false) {
                throw new Exception($res, 0);
            }
        } else {
            $data = $res;
        }
        return $data;
    }
}