<?php

namespace App\Iot\MoJing;

use App\Exceptions\MoJingException;
use Illuminate\Support\Facades\Http;

/**
 * 电信魔镜
 */
class HttpClient
{
    const ENDPOINT_URL = 'https://mojing.sctel.com.cn';

    public function __construct(
        protected readonly string $appId,
        protected readonly string $appSecret,
    ) {
    }

    public function get(string $url, array $query = []): array
    {
        return $this->request('GET', $url, [
            'query' => $query,
        ]);
    }

    protected function request(string $method, string $url, array $options = []): array
    {
        $timestamp = now()->getTimestampMs();

        $sign = md5($this->appId.$this->appSecret.$timestamp);

        /** @var \Illuminate\Http\Client\Response */
        $response = Http::baseUrl(static::ENDPOINT_URL)->withHeaders([
            'Authorization' => base64_encode(
                json_encode([
                    'appId' => $this->appId,
                    'time' => $timestamp,
                    'sign' => $sign,
                ])
            ),
        ])->send($method, $url, $options);

        $result = $response->throw()->json();

        $code = data_get($result, 'code', '-1');
        if ($code === 200) {
            return $result;
        }

        throw new MoJingException(
            data_get($result, 'message', '请求失败').', 错误码: '.$code,
        );
    }
}