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

interface ExoscaleAdapterOptions {
    bucket: string;
    /**
     * Exoscale zone code (Exoscale calls these zones rather than regions),
     * e.g. `"ch-gva-2"` (Geneva), `"ch-dk-2"` (Zurich), `"de-fra-1"`
     * (Frankfurt), `"de-muc-1"` (Munich), `"at-vie-1"` / `"at-vie-2"`
     * (Vienna), `"bg-sof-1"` (Sofia). Drives the endpoint host
     * (`https://sos-<region>.exo.io`); there's no env-var fallback. Doubles
     * as the SigV4 region.
     */
    region: string;
    /**
     * Override the Exoscale endpoint. When unset, defaults to
     * `https://sos-${region}.exo.io`. SOS routes by Host header — the SDK
     * prepends the bucket subdomain for virtual-hosted style.
     */
    endpoint?: string;
    accessKeyId?: string;
    secretAccessKey?: string;
    /**
     * Use path-style addressing (`/<bucket>/<key>`) rather than virtual-hosted
     * style. Defaults to `false` — virtual-hosted is canonical for SOS.
     */
    forcePathStyle?: boolean;
    /**
     * Origin used to build URLs from `url()`. When set, `url(key)` returns
     * `${publicBaseUrl}/${key}` and skips signing. For public buckets the
     * natural value is `https://sos-${region}.exo.io/${bucket}` (path-style)
     * or `https://${bucket}.sos-${region}.exo.io`; a custom CNAME fronting
     * the bucket also works. 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 ExoscaleAdapter = Adapter<S3Client>;
declare const exoscale: (opts: ExoscaleAdapterOptions) => ExoscaleAdapter;

export { type ExoscaleAdapter, type ExoscaleAdapterOptions, exoscale };