<?php
/**
 * Http on top of the WordPress HTTP API.
 *
 * @package Fitzaro
 */

namespace Fitzaro\Provider\OpenAi;

defined( 'ABSPATH' ) || exit;

/**
 * Uses wp_remote_request(), so proxies and SSL settings configured for WordPress apply.
 */
final class WpHttp implements Http {

	/**
	 * Sends a request. Null when the server could not be reached.
	 *
	 * @param string                $method  HTTP method.
	 * @param string                $url     URL.
	 * @param array<string, string> $headers Headers.
	 * @param string|null           $body    Body.
	 * @param int                   $timeout Seconds.
	 * @return array{status: int, body: string}|null
	 */
	public function request( string $method, string $url, array $headers, ?string $body, int $timeout ): ?array {
		$args = array(
			'method'      => $method,
			'headers'     => $headers,
			'timeout'     => $timeout,
			'redirection' => 0,
		);
		if ( null !== $body ) {
			$args['body'] = $body;
		}

		$response = wp_remote_request( $url, $args );
		if ( is_wp_error( $response ) ) {
			return null;
		}

		return array(
			'status' => (int) wp_remote_retrieve_response_code( $response ),
			'body'   => (string) wp_remote_retrieve_body( $response ),
		);
	}
}