import { MemoryRouter, StaticRouter, BrowserRouter } from 'react-router'
// import * as HistoryType from 'history'

/**
 * @see https://github.com/mjackson/history
 */
export type Action = 'PUSH' | 'POP' | 'REPLACE';
export type UnregisterCallback = () => void;

export type LocationDescriptor = Path | LocationDescriptorObject;
export type LocationKey = string;
export type LocationListener = (location: Location, action: Action) => void;
export type LocationState = any;
export type Path = string;
export type Pathname = string;
export type Search = string;
export type TransitionHook = (location: Location, callback: (result: any) => void) => any;
export type Hash = string;
export type Href = string;

export interface OneRouterOptions {
  shouldUseNative?: boolean
  shouldStringify?: boolean
  shouldMerge?: boolean
}

export interface HistoryType {
  length: number;
  action: Action;
  location: Location;
  push(path: Path, state?: LocationState): void;
  push(location: LocationDescriptorObject): void;
  replace(path: Path, state?: LocationState): void;
  replace(location: LocationDescriptorObject): void;
  go(n: number): void;
  goBack(): void;
  goForward(): void;
  block(prompt?: boolean): UnregisterCallback;
  listen(listener: LocationListener): UnregisterCallback;
  createHref(location: LocationDescriptorObject): Href;
}

export interface Location {
  pathname: Pathname;
  search: Search;
  state: LocationState;
  hash: Hash;
  key: LocationKey;
}

export interface LocationDescriptorObject {
  pathname?: Pathname;
  search?: Search;
  state?: LocationState;
  hash?: Hash;
  key?: LocationKey;
}


// https://gist.github.com/icfantv/775a6000748384e9f77569017d67c240
// https://github.com/Microsoft/TypeScript/issues/6579
export type FullyQualifiedWebAddress = typeof (/^(?:[a-z]+:)?/)
export type RelativeWebAddress = '/route' | string
export type StringifiedParam = '=' | '?' | '#' | String
export type OneRouterParamVariations = Object | StringifiedParam

export declare class RouterEntries implements MemoryRouter, History, StaticRouter {
  matched: any
  location: any
  history: HistoryType | History
  // ((any: any) => any))
  // ...browserLocation,
  // ...this.history,
  // ...this.history.location,
  // ...this.getSearchParams({}),
  // ...this.router,
  // ...this.matched,
}


export declare class OneRouter {
  // ReactRouter
  router: MemoryRouter | StaticRouter | BrowserRouter
  // ReactRouter.history || html5 history
  history: History
  urlFromExpress: string
  entries(): RouterEntries

  has(data: OneRouterParamVariations): Boolean
  update(to: OneRouterParamVariations, options?: OneRouterOptions): OneRouter
  delete(arg: String | Object): OneRouter
  toString(pretty?: Boolean): String

  private getSearchParams(fallback?: string): Object | ''
  private get searchParams(): String

  // localhost/eh/10/, /eh/:categoryId, match.params.categoryId
  private get matched(): Object
  private get pathname(): History.Pathname
  private log(msg: String, data?: Object): void
}

export declare var oneRouter: OneRouter
declare global {
  export const oneRouter: OneRouter
}