var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Injectable } from 'angular2/src/core/di';
import { EventEmitter, ObservableWrapper } from 'angular2/src/facade/async';
/**
 * A spy for {@link Location} that allows tests to fire simulated location events.
 */
export let SpyLocation = class {
    constructor() {
        this.urlChanges = [];
        /** @internal */
        this._path = '';
        /** @internal */
        this._query = '';
        /** @internal */
        this._subject = new EventEmitter();
        /** @internal */
        this._baseHref = '';
        // TODO: remove these once Location is an interface, and can be implemented cleanly
        this.platformStrategy = null;
    }
    setInitialPath(url) { this._path = url; }
    setBaseHref(url) { this._baseHref = url; }
    path() { return this._path; }
    simulateUrlPop(pathname) {
        ObservableWrapper.callEmit(this._subject, { 'url': pathname, 'pop': true });
    }
    simulateHashChange(pathname) {
        // Because we don't prevent the native event, the browser will independently update the path
        this.setInitialPath(pathname);
        this.urlChanges.push('hash: ' + pathname);
        ObservableWrapper.callEmit(this._subject, { 'url': pathname, 'pop': true, 'type': 'hashchange' });
    }
    prepareExternalUrl(url) {
        if (url.length > 0 && !url.startsWith('/')) {
            url = '/' + url;
        }
        return this._baseHref + url;
    }
    go(path, query = '') {
        path = this.prepareExternalUrl(path);
        if (this._path == path && this._query == query) {
            return;
        }
        this._path = path;
        this._query = query;
        var url = path + (query.length > 0 ? ('?' + query) : '');
        this.urlChanges.push(url);
    }
    replaceState(path, query = '') {
        path = this.prepareExternalUrl(path);
        this._path = path;
        this._query = query;
        var url = path + (query.length > 0 ? ('?' + query) : '');
        this.urlChanges.push('replace: ' + url);
    }
    forward() {
        // TODO
    }
    back() {
        // TODO
    }
    subscribe(onNext, onThrow = null, onReturn = null) {
        return ObservableWrapper.subscribe(this._subject, onNext, onThrow, onReturn);
    }
    normalize(url) { return null; }
};
SpyLocation = __decorate([
    Injectable(), 
    __metadata('design:paramtypes', [])
], SpyLocation);
