<?php

namespace App\Libraries\BIM\BlackHole;


use App\Libraries\BIM\Exceptions\FailedException;
use Psr\Http\Message\ResponseInterface;


class Client {

    protected static ?Client $instance = null;

    protected \GuzzleHttp\Client $client;

    protected function __construct()
    {
        $this->client = new \GuzzleHttp\Client([
            'base_uri' => config("bim.black_hole.host"),
            'http_errors' => false,
            'debug' => false,
            'headers' => [
                'Accept' => "application/json",
                'ClientId' => config("bim.black_hole.client_id"),
                'SecretKey' => config("bim.black_hole.secret_key"),
                'UserId' => config("bim.black_hole.user_id"),
            ]
        ]);
    }

    public static function getInstance(): Client
    {
        if (! self::$instance) {
            self::$instance = new self();
        }

        return self::$instance;
    }

    public function request(string $method, string $uri, array $options = []): ?array
    {
        return $this->parseResponse($this->client->request($method, $uri, $options));
    }

    public function post(string $uri, array $options = []) {
        return $this->request("POST", $uri, $options);
    }

    protected function parseResponse(ResponseInterface $response): ?array
    {
        $body = json_decode((string)$response->getBody(), true);

        return match ($response->getStatusCode()) {
            200, 201, 204 => $this->parseStatusSuccessResponse($body),
            default => throw new FailedException($body['message'] ?? $response->getReasonPhrase()),
        };
    }

    protected function parseStatusSuccessResponse(array $body)
    {
        $isJson = json_last_error() == JSON_ERROR_NONE;

        if (! $isJson) {
            return [];
        }

        if (! $body['isSuccess']) {
            throw new FailedException($body['errMsg']);
        }

        return $body;
    }
}