import { S3Client } from '@aws-sdk/client-s3';
import { Adapter } from '../index.js';

interface HetznerAdapterOptions {
    bucket: string;
    /**
     * Hetzner Object Storage location code, e.g. `"fsn1"` (Falkenstein),
     * `"nbg1"` (Nuremberg), `"hel1"` (Helsinki). Drives the endpoint host;
     * there's no env-var fallback. Doubles as the SigV4 region — Hetzner
     * ignores it for routing but the signature requires *some* value.
     */
    region: string;
    /**
     * Override the Hetzner endpoint. When unset, defaults to
     * `https://${region}.your-objectstorage.com`. Hetzner routes by Host header
     * — the SDK prepends the bucket subdomain for virtual-hosted style.
     */
    endpoint?: string;
    accessKeyId?: string;
    secretAccessKey?: string;
    /**
     * Use path-style addressing (`/<bucket>/<key>`) rather than virtual-hosted
     * style. Defaults to `false` — virtual-hosted is canonical for Hetzner.
     */
    forcePathStyle?: boolean;
    /**
     * Origin used to build URLs from `url()`. When set, `url(key)` returns
     * `${publicBaseUrl}/${key}` and skips signing — typical values are a
     * custom CNAME or reverse proxy fronting the bucket. Hetzner Object
     * Storage has no built-in CDN, so leaving this unset is the common case.
     * When unset, `url()` falls back to a presigned GetObject (default
     * expiry: 1 hour).
     */
    publicBaseUrl?: string;
    /**
     * Default expiry, in seconds, for the presigned URLs returned by `url()`
     * when `publicBaseUrl` is not set. Defaults to 3600 (1 hour).
     */
    defaultUrlExpiresIn?: number;
}
type HetznerAdapter = Adapter<S3Client>;
declare const hetzner: (opts: HetznerAdapterOptions) => HetznerAdapter;

export { type HetznerAdapter, type HetznerAdapterOptions, hetzner };