import { MmUIComponent } from './component'

export interface fileStatus {
  file: File
  progress: number
  status: 'padding' | 'uploading' | 'error' | 'success' | 'exceed'
  xhr: XMLHttpRequest
}

/** Upload component */
export declare class MmUpload extends MmUIComponent {
  /** The destination upload service address for receiving the file */
  url: string

  /** Request parameter name */
  name: string

  /** Additional data at upload time */
  extraData: { [key: string]: any }

  /** Accept the uploaded file type */
  accept: string

  /** Multiple file uploads are supported */
  multiple: boolean

  /** Whether to disable */
  disabled: boolean

  /** Whether drag and drop upload is enabled */
  drag: boolean

  /** Whether the local file is automatically uploaded after getting it */
  auto: boolean

  /** Upload list type */
  listType: 'picture' | 'pictureCard' | 'text'

  /** Set the upload request header */
  headers: { [key: string]: any }

  /** Whether the request authentication information is carried when the request is uploaded */
  withCredentials: boolean

  /** Maximum number of files allowed to be uploaded */
  limit: number

  /** Maximum single file size allowed for upload, in 5 MB file size in bytes */
  maxSize: string

  /** Change callback */
  onChange(newFiles: File[], currentFiles: File[]): void

  /** Before the file is uploaded to the server */
  beforeUpload(file: File, allFiles: File[]): boolean | Promise<any>

  /** Callback when upload progress changes during file upload */
  onProgress(fileStatus: fileStatus): void

  /** Callback when successful file upload */
  onSuccess(fileStatus: fileStatus): void

  /** Callback when file upload fails */
  onError(fileStatus: fileStatus): void

  /** The maximum number of uploads allowed is called back */
  onExceed(currentLen: number, limit: number): void

  /** Upload file than allowed maximum upload file size of the callback */
  onOverSize(overSizeFiles: File[], files: File[]): void

  /** A custom preview can be used when clicking on a file in the file list */
  onPreview(currentFile: File, files: File[]): void

  /** A callback when a file is removed from the list */
  onRemove(deletedFile: File, afterDeletedFiles: File[]): void

  /** Override Ajax upload functionality provided within the component and customize the upload logic */
  customRequest(): XMLHttpRequest
}