<?php
/**
 * fal.ai API key authentication (Authorization: Key …).
 *
 * @package KraftySprouts\AiProviderForFalAi\Authentication
 * @since   1.0.0
 */

declare( strict_types=1 );

namespace KraftySprouts\AiProviderForFalAi\Authentication;

use WordPress\AiClient\Providers\Http\DTO\ApiKeyRequestAuthentication;
use WordPress\AiClient\Providers\Http\DTO\Request;

/**
 * Class FalApiKeyRequestAuthentication
 *
 * fal.ai expects `Authorization: Key $FAL_KEY`, not Bearer.
 *
 * @since 1.0.0
 */
class FalApiKeyRequestAuthentication extends ApiKeyRequestAuthentication {

	/**
	 * {@inheritDoc}
	 *
	 * @since 1.0.0
	 */
	public function authenticateRequest( Request $request ): Request {
		return $request->withHeader( 'Authorization', 'Key ' . $this->getApiKey() );
	}
}