// Type definitions for react-input-mask 2.0
// Project: https://github.com/sanniassin/react-input-mask
// Definitions by: Alexandre Paré <https://github.com/apare>
//                 Dima Danylyuk <https://github.com/dima7a14>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
// TypeScript Version: 2.9

import * as React from 'react';

export interface Selection {
  start: number;
  end: number;
}

export interface InputState {
  value: string;
  selection: Selection | null;
}

export interface MaskOptions {
  mask: string;
  maskChar: string;
  alwaysShowMask: boolean;
  formatChars: Record<string, string>;
  permanents: number[];
}

interface Props extends React.InputHTMLAttributes<HTMLInputElement> {
  /**
   * Mask string. Format characters are:
   * * `9`: `0-9`
   * * `a`: `A-Z, a-z`
   * * `\*`: `A-Z, a-z, 0-9`
   *
   * Any character can be escaped with backslash, which usually will appear as double backslash in JS strings.
   * For example, German phone mask with unremoveable prefix +49 will look like `mask="+4\\9 99 999 99"` or `mask={"+4\\\\9 99 999 99"}`
   */
  mask: string;
  /**
   * Character to cover unfilled editable parts of mask. Default character is "_". If set to null, unfilled parts will be empty, like in ordinary input.
   */
  maskChar?: string | null;
  /**
   * Defines format characters with characters as keys and corresponding RegExp string as values. Default ones:
   * ```
   * {
   *   "9": "[0-9]",
   *   "a": "[A-Za-z]",
   *   "*": "[A-Za-z0-9]"
   * }```
   */
  formatChars?: { [key: string]: string };
  /**
   * Show mask even in empty input without focus.
   */
  alwaysShowMask?: boolean;
  /**
   * Use inputRef instead of ref if you need input node to manage focus, selection, etc.
   */
  inputRef?: React.Ref<HTMLInputElement>;

  /**
   * In case you need to implement more complex masking behavior, you can provide
   * beforeMaskedValueChange function to change masked value and cursor position
   * before it will be applied to the input.
   */
  beforeMaskedValueChange?(
    newState: InputState,
    oldState: InputState,
    userInput: string,
    maskOptions: MaskOptions,
  ): InputState;
}

export class ReactInputMask extends React.Component<Props> {
}

export default ReactInputMask;