<?php

namespace App\BaseApp;

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

class BaseClient
{
    private static mixed $_instance;


    /**
     * 获取实例
     * @return null|static
     */
    public static function getInstance(): null|static
    {
        $name = get_called_class();
        if (!isset(self::$_instance[$name])) {
            self::$_instance[$name] = new static();
        }

        return self::$_instance[$name];
    }

    /**
     * 初始化请求类
     * @return $this
     * @throws Exception
     */
    protected function init(): static
    {
        if (empty($this->baseUrl)) {
            $this->utils->errorThrow('请设置baseUrl');
        }
        $this->client = new Client([
            'timeout' => 60.0,
            'connect_timeout' => 10.0,
            'base_uri' => $this->baseUrl,
            'verify' => false, // 禁用SSL证书验证（不推荐用于生产环境）
        ]);
        return $this;
    }

    /**
     * GET 请求
     * @param $uri
     * @param array $options
     * @return array
     * @throws Exception
     */
    public function get($uri, array $options = []): array
    {
        return $this->init()->request('GET', $uri, [ 'query' => $options, 'headers' => $this->headers ]);
    }

    /**
     * POST 请求
     * @param $uri
     * @param array $options
     * @return array
     * @throws Exception
     */
    public function post($uri, array $options = []): array
    {
        return $this->init()->request('POST', $uri, [ 'form_params' => $options, 'headers' => $this->headers ]);
    }
    /**
     * POST 请求
     * @param $uri
     * @param array $options
     * @return array
     * @throws Exception
     */
    public function postJson($uri, array $options = []): array
    {
//        ds([ 'json' => $options, 'headers' => $this->headers, 'url' => $this->baseUrl. $uri ]);
        return $this->init()->request('POST', $uri, [ 'json' => $options, 'headers' => $this->headers ]);
    }

    /**
     * 请求
     * @param $method
     * @param $uri
     * @param array $options
     * @return array
     */
    private function request($method, $uri, array $options): array
    {
        try {
            $response = $this->client->request($method, $uri, $options);
            return [
                'status_code' => $response->getStatusCode(),
                'body' => json_decode((string)$response->getBody(), true),
            ];
        } catch (RequestException $e) {
            return [
                'status_code' => $e->getCode(),
                'error_message' => $e->getMessage(),
                'type' => 'RequestException',
                'body' => []
            ];
        } catch (GuzzleException $e) {
            return [
                'status_code' => $e->getCode(),
                'error_message' => $e->getMessage(),
                'type' => 'GuzzleException',
                'body' => []
            ];
        }
    }
}