import { Base } from '../internal/base.js';
import { Gallery } from './gallery.js';

/**
 * Supported image file formats.
 *
 * @enum {string}
 * @readonly
 */
declare enum Extension {
	Avif = 'avif',
	Webp = 'webp',
	Jxl = 'jxl'
}
/**
 * Available thumbnail size presets.
 *
 * @enum {string}
 * @readonly
 */
declare enum ThumbnailSize {
	Small = 'small',
	Medium = 'smallbig',
	Big = 'big'
}
/**
 * An abstract base class for media resources with shared dimension properties.
 *
 * @abstract
 * @see {@link Image}
 * @see {@link Video}
 */
declare abstract class Media extends Base {
	/**
	 * The width of the media in pixels.
	 *
	 * @type {number}
	 * @readonly
	 */
	readonly width: number;
	/**
	 * The height of the media in pixels.
	 *
	 * @type {number}
	 * @readonly
	 */
	readonly height: number;
}
/**
 * An image file belonging to a gallery.
 *
 * @see {@link Gallery}
 */
declare class Image extends Media {
	/**
	 * The unique hash identifying the image.
	 *
	 * @type {string}
	 * @readonly
	 */
	readonly hash: string;
	/**
	 * The original filename of the image.
	 *
	 * @type {string}
	 * @readonly
	 */
	readonly name: string;
	/**
	 * Whether this image is available in AVIF format.
	 *
	 * @type {boolean}
	 * @readonly
	 */
	readonly hasAvif: boolean;
	/**
	 * Whether this image is available in WebP format.
	 *
	 * @deprecated Always `true`.
	 * @type {boolean}
	 * @readonly
	 */
	readonly hasWebp: boolean;
	/**
	 * Whether this image is available in JPEG XL format.
	 *
	 * @deprecated Always `false`.
	 * @type {boolean}
	 * @readonly
	 */
	readonly hasJxl: boolean;
	/**
	 * Whether thumbnail variants are available for this image.
	 *
	 * @type {boolean}
	 * @readonly
	 */
	readonly hasThumbnail: boolean;
	/**
	 * Resolves a URL for this image in the specified format, optionally using a thumbnail size.
	 *
	 * Only the following combinations are valid:
	 *
	 * | Thumbnail Size | Extension | Requirement (must be `true`)     |
	 * | :------------- | :-------- | :------------------------------- |
	 * | *(none)*       | *(all)*   | `has{Extension}`                 |
	 * | `Small`        | *(all)*   | `has{Extension}`                 |
	 * | `Medium`       | `Avif`    | `hasThumbnail && has{Extension}` |
	 * | `Big`          | *(all)*   | `hasThumbnail && has{Extension}` |
	 *
	 * @param {Extension} extension The desired image format.
	 * @param {ThumbnailSize} [thumbnailSize] The thumbnail size preset. Omit for a full-size image URL.
	 * @returns {Promise<string>} A `Promise` that resolves to the image URL.
	 * @throws {HitomiError} If the `extension` and `thumbnailSize` combination is invalid.
	 * @see {@link Extension}
	 * @see {@link ThumbnailSize}
	 * @see {@link Image.hasAvif}
	 * @see {@link Image.hasWebp}
	 * @see {@link Image.hasJxl}
	 * @see {@link Image.hasThumbnail}
	 */
	resolveUrl(extension: Extension, thumbnailSize?: ThumbnailSize): Promise<string>;
	/**
	 * Fetches the image in the specified format and optional thumbnail size.
	 *
	 * The same `extension` and `thumbnailSize` restrictions as {@link Image.resolveUrl} apply.
	 *
	 * @param {Extension} extension The desired image format.
	 * @param {ThumbnailSize} [thumbnailSize] The thumbnail size preset. Omit for a full-size image.
	 * @returns {Promise<Uint8Array>} A `Promise` that resolves to the image as a `Uint8Array`.
	 * @throws {HitomiError} If the `extension` and `thumbnailSize` combination is invalid.
	 * @see {@link Extension}
	 * @see {@link ThumbnailSize}
	 */
	fetch(extension: Extension, thumbnailSize?: ThumbnailSize): Promise<Uint8Array>;
}
/**
 * A video file belonging to a gallery.
 *
 * @see {@link Gallery}
 */
declare class Video extends Media {
	/**
	 * The file name of the video.
	 *
	 * @type {string}
	 * @readonly
	 */
	readonly fileName: string;
	/**
	 * The streaming URL of the video.
	 *
	 * @type {string}
	 * @readonly
	 */
	readonly url: string;
	/**
	 * The URL of the poster (video thumbnail).
	 *
	 * @type {string}
	 * @readonly
	 */
	readonly posterUrl: string;
	/**
	 * Fetches the video in MP4 format.
	 *
	 * @returns {Promise<Uint8Array>} A `Promise` that resolves to the video as a `Uint8Array`.
	 */
	fetch(): Promise<Uint8Array>;
	/**
	 * Fetches the poster (video thumbnail) in WebP format.
	 *
	 * @returns {Promise<Uint8Array>} A `Promise` that resolves to the poster as a `Uint8Array`.
	 */
	fetchPoster(): Promise<Uint8Array>;
}

export { Extension, Image, ThumbnailSize, Video };