<?php

declare(strict_types=1);

namespace App\Kernel\Http\Middleware;

use App\Kernel\Http\ContentType;
use App\Kernel\Http\Header;
use App\Kernel\Object\Enum;
use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException;

class CheckAcceptHeader
{
    public function handle(Request $request, Closure $next): Response
    {
        $headerFound = false;

        if ($this->acceptApplicationJson($request)) {
            $headerFound = true;
        }

        if ($request->isMethod('OPTIONS') || $headerFound) {
            return $next($request);
        }

        throw new NotAcceptableHttpException('Valid accept header not found');
    }

    private function acceptApplicationJson(Request $request): bool
    {
        $passedHeader = $request->headers->get(Header::Accept->value);
        $expectedHeader = Enum::value(ContentType::ApplicationJson);

        return $passedHeader === $expectedHeader;
    }
}