import type {
  IndexedObject,
  UIPlugin,
  UIPluginOptions,
  UppyFile,
} from '@uppy/core'

import ThumbnailGeneratorLocale from './generatedLocale'

export interface ThumbnailOptions extends UIPluginOptions {
  thumbnailWidth?: number
  thumbnailHeight?: number
  thumbnailType?: string
  waitForThumbnailsBeforeUpload?: boolean
  lazy?: boolean
}

interface Options extends ThumbnailOptions {
  locale?: ThumbnailGeneratorLocale
}

declare class ThumbnailGenerator extends UIPlugin<Options> {}

export default ThumbnailGenerator

// Events

export type ThumbnailGeneratedCallback<TMeta extends IndexedObject<any>> = (
  file: UppyFile<TMeta>,
  preview: string,
) => void

declare module '@uppy/core' {
  export interface UppyEventMap<TMeta> {
    'thumbnail:generated': ThumbnailGeneratedCallback<TMeta>
  }
}