<?php
declare(strict_types=1);

namespace Phred\Http\Responses;

use Phred\Http\Contracts\ApiResponseFactoryInterface;
use Phred\Http\Middleware\ContentNegotiationMiddleware as Negotiation;
use Phred\Http\RequestContext;
use Psr\Http\Message\ResponseInterface;

/**
 * Delegates to REST or JSON:API factory depending on current request format.
 * Controllers receive this via DI and call its methods; it inspects
 * RequestContext (set in DispatchMiddleware) to choose the underlying factory.
 */
final class DelegatingApiResponseFactory implements ApiResponseFactoryInterface
{
    public function __construct(
        private RestResponseFactory $rest,
        private JsonApiResponseFactory $jsonapi
    ) {}

    public function ok(array $data = []): ResponseInterface
    {
        return $this->delegate()->ok($data);
    }

    public function created(array $data = [], ?string $location = null): ResponseInterface
    {
        return $this->delegate()->created($data, $location);
    }

    public function noContent(): ResponseInterface
    {
        return $this->delegate()->noContent();
    }

    public function error(int $status, string $title, ?string $detail = null, array $extra = []): ResponseInterface
    {
        return $this->delegate()->error($status, $title, $detail, $extra);
    }

    public function fromArray(array $payload, int $status = 200): ResponseInterface
    {
        return $this->delegate()->fromArray($payload, $status);
    }

    private function delegate(): ApiResponseFactoryInterface
    {
        $req = RequestContext::get();
        $format = $req?->getAttribute(Negotiation::ATTR_API_FORMAT) ?? 'rest';
        return $format === 'jsonapi' ? $this->jsonapi : $this->rest;
    }
}