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1<?php
2
3declare(strict_types=1);
4
5namespace Ndrstmr\Icap;
6
7use Ndrstmr\Icap\DTO\IcapResponse;
8use Ndrstmr\Icap\Exception\IcapResponseException;
9
10/**
11 * Default strategy for interpreting preview responses.
12 */
13class DefaultPreviewStrategy implements PreviewStrategyInterface
14{
15    /**
16     * Decide whether to continue sending the body after a preview response.
17     */
18    public function handlePreviewResponse(IcapResponse $previewResponse): PreviewDecision
19    {
20        return match ($previewResponse->statusCode) {
21            204 => PreviewDecision::ABORT_CLEAN,
22            100 => PreviewDecision::CONTINUE_SENDING,
23            default => throw new IcapResponseException('Unexpected preview status code: ' . $previewResponse->statusCode),
24        };
25    }
26}