import { Response } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import { Interceptable, Interceptor } from './interceptable';

export type RequestInterceptor = Interceptor<any[], any[] | Observable<any[]> | boolean>;
export type ResponseInterceptor = Interceptor<Observable<Response>, Observable<Response>>;

export interface HttpInterceptor {
  request(url?: string|RegExp): Interceptable<RequestInterceptor>;
  response(url?: string|RegExp): Interceptable<ResponseInterceptor>;

  /** @internal */
  _interceptRequest(url: string, method: string, data: any[]): Observable<any[]>;
  /** @internal */
  _interceptResponse(url: string, method: string, response: Observable<Response>): Observable<Response>;
}