/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 */

export type ImageId = string;

// Listing images

export type CacheInfo = {|
  cacheType: string,
  clearKey?: null, // set this if this cache level supports clear(<key>)
  sizeBytes: number,
  maxSizeBytes?: number,
  imageIds: Array<ImageId>,
|};

export type ImagesList = Array<CacheInfo>;

// The iOS Flipper api does not support a top-level array, so we wrap it in an object
export type ImagesListResponse = {|
  levels: ImagesList,
|};

// listImages() -> ImagesListResponse

// Getting details on a specific image

export type ImageBytes = string;

export type ImageData = {|
  imageId: ImageId,
  uri?: string,
  width: number,
  height: number,
  sizeBytes: number,
  data: ImageBytes,
  surface?: string,
|};

// getImage({imageId: string}) -> ImageData

// Subscribing to image events (requests and prefetches)

export type Timestamp = number;

export type ViewportData = {|
  width: number,
  height: number,
  scanDisplayTime: {[scan_number: number]: Timestamp},
|};

export type ImageEvent = {
  imageIds: Array<ImageId>,
  attribution: Array<string>,
  startTime: Timestamp,
  endTime: Timestamp,
  source: string,
  coldStart: boolean,
  viewport?: ViewportData, // not set for prefetches
};

// Misc

export type FrescoDebugOverlayEvent = {|
  enabled: boolean,
|};

export type AndroidCloseableReferenceLeakEvent = {|
  identityHashCode: string,
  className: string,
  stacktrace: ?string,
|};