import { Readable } from 'node:stream';
import { DriveFile } from './driver_file.js';
import { DriveDirectory } from './drive_directory.js';
/**
 * The visibility of the object.
 */
export type ObjectVisibility = 'public' | 'private';
/**
 * The metadata of an object that can be fetched
 * using the "getMetaData" method.
 */
export type ObjectMetaData = {
    contentType?: string;
    contentLength: number;
    etag: string;
    lastModified: Date;
};
/**
 * Options accepted by the write operations.
 */
export type WriteOptions = {
    visibility?: ObjectVisibility;
    contentType?: string;
    contentLanguage?: string;
    contentEncoding?: string;
    contentDisposition?: string;
    cacheControl?: string;
    contentLength?: number;
} & {
    [key: string]: any;
};
/**
 * Options accepted during the creation of a signed URL.
 */
export type SignedURLOptions = {
    expiresIn?: string | number;
    contentType?: string;
    contentDisposition?: string;
} & {
    [key: string]: any;
};
/**
 * Representation of file snapshot. It can be persisted
 * inside any database storage.
 */
export type FileSnapshot = {
    key: string;
    name: string;
    contentLength: number;
    lastModified: string;
    etag: string;
    contentType?: string;
};
/**
 * The interface every driver must implement.
 */
export interface DriverContract {
    /**
     * Return a boolean indicating if the file exists
     */
    exists(key: string): Promise<boolean>;
    /**
     * Return contents of a object for the given key as a UTF-8 string.
     * Should throw "E_CANNOT_READ_FILE" error when the file
     * does not exists.
     */
    get(key: string): Promise<string>;
    /**
     * Return contents of a object for the given key as a Readable stream.
     * Should throw "E_CANNOT_READ_FILE" error when the file
     * does not exists.
     */
    getStream(key: string): Promise<Readable>;
    /**
     * Return contents of an object for the given key as an Uint8Array.
     * Should throw "E_CANNOT_READ_FILE" error when the file
     * does not exists.
     */
    getBytes(key: string): Promise<Uint8Array>;
    /**
     * Return metadata of an object for the given key.
     */
    getMetaData(key: string): Promise<ObjectMetaData>;
    /**
     * Return the visibility of the file
     */
    getVisibility(key: string): Promise<ObjectVisibility>;
    /**
     * Return the public URL to access the file
     */
    getUrl(key: string): Promise<string>;
    /**
     * Return the signed/temporary URL to access the file
     */
    getSignedUrl(key: string, options?: SignedURLOptions): Promise<string>;
    /**
     * Update the visibility of the file
     */
    setVisibility(key: string, visibility: ObjectVisibility): Promise<void>;
    /**
     * Write object to the destination with the provided
     * contents.
     */
    put(key: string, contents: string | Uint8Array, options?: WriteOptions): Promise<void>;
    /**
     * Write object to the destination with the provided
     * contents as a readable stream
     */
    putStream(key: string, contents: Readable, options?: WriteOptions): Promise<void>;
    /**
     * Copy the file from within the disk root location. Both
     * the "source" and "destination" will be the key names
     * and not absolute paths.
     */
    copy(source: string, destination: string, options?: WriteOptions): Promise<void>;
    /**
     * Move the file from within the disk root location. Both
     * the "source" and "destination" will be the key names
     * and not absolute paths.
     */
    move(source: string, destination: string, options?: WriteOptions): Promise<void>;
    /**
     * Delete the file for the given key. Should not throw
     * error when file does not exist in first place
     */
    delete(key: string): Promise<void>;
    /**
     * Delete the files and directories matching the provided prefix.
     */
    deleteAll(prefix: string): Promise<void>;
    /**
     * The list all method must return an array of objects with
     * the ability to paginate results (if supported).
     */
    listAll(prefix: string, options?: {
        recursive?: boolean;
        paginationToken?: string;
    }): Promise<{
        paginationToken?: string;
        objects: Iterable<DriveFile | DriveDirectory>;
    }>;
}
/**
 * Configuration accepted by DriveManager
 */
export interface DriveManagerOptions<Services extends Record<string, () => DriverContract>> {
    /**
     * The default service to use for file system operations
     */
    default: keyof Services;
    /**
     * Configured services
     */
    services: Services;
    /**
     * Fakes configuration. Only needed when using fakes from the
     * DriveManager
     */
    fakes?: {
        /**
         * The location for persisting files during fake mode
         */
        location: URL | string;
        /**
         * Configure a custom URL builder for creating public and
         * temporary URLs in fake mode
         */
        urlBuilder?: {
            /**
             * Custom implementation for creating public URLs
             */
            generateURL?(key: string, filePath: string): Promise<string>;
            /**
             * Custom implementation for creating signed/temporary URLs
             */
            generateSignedURL?(key: string, filePath: string, options: SignedURLOptions): Promise<string>;
        };
    };
}