import React from 'react'
import ReactDOM from 'react-dom'

declare module 'react-new-window' {
  type EventHandler = () => void
  type OpenEventHandler = (window: Window) => void

  /**
   * Base features common to all window features.
   *
   * @remarks These will be concatenated into a string for window.open.
   */
  export interface IWindowFeatures {
    height?: number
    width?: number
    [i: string]: boolean | number | string
  }

  /**
   * Props for opening a new window.
   *
   * @see https://developer.mozilla.org/en-US/docs/Web/API/Window/open
   */
  export interface INewWindowProps {
    /**
     * Children to render in the new window.
     */
    children?: React.ReactNode

    /**
     * The URL to open, if specified any children will be overriden.
     */
    url?: string

    /**
     * The name of the window.
     */
    name?: string

    /**
     * The title of the new window document.
     */
    title?: string

    /**
     * The set of window features.
     */
    features?: IWindowFeatures

    /**
     * A function to be triggered before the new window unload.
     */
    onBlock?: EventHandler | null

    /**
     * A function to be triggered when the new window could not be opened.
     */
    onUnload?: EventHandler | null

    /**
     * A function to be triggered when the new window opened.
     */
    onOpen?: OpenEventHandler | null

    /**
     * Indicate how to center the new window.
     */
    center?: 'parent' | 'screen'

    /**
     * If specified, copy styles from parent window's document.
     */
    copyStyles?: boolean
  }

  export default class NewWindow extends React.PureComponent<INewWindowProps> {
    private readonly container: HTMLDivElement
    private window: Window | null
    private windowCheckerInterval: number | null
    private released: boolean

    /**
     * Release the new window and anything that was bound to it.
     */
    public release(): void
  }
}