<?php

declare(strict_types=1);

namespace App\Helper;

use GuzzleHttp\Client;
use Hyperf\Guzzle\HandlerStackFactory;

/**
 * 请求处理公共类
 */
class Curl
{
    /**
     * 获取Guzzle客户端实例（使用连接池）
     *
     * @return Client
     */
    protected static function getClient() : Client
    {
        $factory = new HandlerStackFactory();
        $stack = $factory->create();

        return make(Client::class, [
            'config' => [
                'handler' => $stack,
            ]
        ]);
    }

    /**
     * 发送Get请求
     *
     * @param string $url
     * @param array $headers
     * @return array
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public static function get(string $url, array $headers = []) : array
    {
        $client = self::getClient();
        $options = ['timeout' => 2, 'verify' => false];

        if (!empty($headers)) {
            $options['headers'] = $headers;
        }

        $response = $client->get($url, $options);

        if ($response->getStatusCode() === 200) {
            return json_decode($response->getBody()->getContents(), true);
        }

        return [];
    }

    /**
     * 发送POST请求（application/x-www-form-urlencoded）
     *
     * @param string $url
     * @param array $data
     * @param array $headers
     * @return array
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public static function post(string $url, array $data = [], array $headers = []) : array
    {
        $client = self::getClient();
        $options = ['timeout' => 2, 'verify' => false, 'form_params' => $data];

        if (!empty($headers)) {
            $options['headers'] = $headers;
        }

        $response = $client->post($url, $options);

        if ($response->getStatusCode() === 200) {
            return json_decode($response->getBody()->getContents(), true);
        }

        return [];
    }
}