import {
  AsyncTestCompleter,
  describe,
  proxy,
  it, iit,
  ddescribe, expect,
  inject, beforeEach, beforeEachBindings,
  SpyObject} from 'angular2/test_lib';
import {IMPLEMENTS} from 'angular2/src/facade/lang';
import {EventEmitter, ObservableWrapper} from 'angular2/src/facade/async';

import {BrowserLocation} from 'angular2/src/router/browser_location';
import {Location} from 'angular2/src/router/location';

export function main() {

  describe('Location', () => {

    var browserLocation, location;

    beforeEach(() => {
      browserLocation = new DummyBrowserLocation();
      browserLocation.spy('pushState');
      browserLocation.baseHref = '/my/app';
      location = new Location(browserLocation);
    });

    it('should normalize relative urls on navigate', () => {
      location.go('user/btford');
      expect(browserLocation.spy('pushState')).toHaveBeenCalledWith(null, '', '/my/app/user/btford');
    });

    it('should not append urls with leading slash on navigate', () => {
      location.go('/my/app/user/btford');
      expect(browserLocation.spy('pushState')).toHaveBeenCalledWith(null, '', '/my/app/user/btford');
    });

    it('should remove index.html from base href', () => {
      browserLocation.baseHref = '/my/app/index.html';
      location = new Location(browserLocation);
      location.go('user/btford');
      expect(browserLocation.spy('pushState')).toHaveBeenCalledWith(null, '', '/my/app/user/btford');
    });

    it('should normalize urls on popstate', inject([AsyncTestCompleter], (async) => {
      browserLocation.simulatePopState('/my/app/user/btford');
      location.subscribe((ev) => {
        expect(ev['url']).toEqual('/user/btford');
        async.done();
      })
    }));

    it('should normalize location path', () => {
      browserLocation.internalPath = '/my/app/user/btford';
      expect(location.path()).toEqual('/user/btford');
    });
  });
}

@proxy
@IMPLEMENTS(BrowserLocation)
class DummyBrowserLocation extends SpyObject {
  baseHref;
  internalPath;
  _subject:EventEmitter;
  constructor() {
    super();
    this.internalPath = '/';
    this._subject = new EventEmitter();
  }

  simulatePopState(url) {
    this.internalPath = url;
    ObservableWrapper.callNext(this._subject, null);
  }

  path() {
    return this.internalPath;
  }

  onPopState(fn) {
    ObservableWrapper.subscribe(this._subject, fn);
  }

  getBaseHref() {
    return this.baseHref;
  }

  noSuchMethod(m){return super.noSuchMethod(m);}
}