import * as Contensis from '../index';
import { getDefaultAuthenticateUrl, getDefaultConfig, getDefaultXMLHttpRequest, setDefaultSpy } from '../specs-utils.spec';

import fetch from 'cross-fetch';
import { Entry } from '../models';
import { PagedList, toQuery } from 'contensis-core-api';

import 'jasmine-ajax';
const Zengenti = { Contensis };
const global = window || this;
global.fetch = fetch;

describe('Event Operations', () => {

    beforeEach(() => {
        (jasmine as any).Ajax.install();
    });

    afterEach(function () {
        (jasmine as any).Ajax.uninstall();
    });

    describe('Connect to events stream', () => {
        beforeEach(() => {
            setDefaultSpy(global, {});

            Zengenti.Contensis.Client.defaultClientConfig = null;
            Zengenti.Contensis.Client.configure({
                fetchFn: global.fetch
            });
        });

        it('with topics', async () => {
            let client = Zengenti.Contensis.Client.create(getDefaultConfig());
            let isCallbackCalled = false;
            let eventsCallback = (eventsJSON: string, subscriptionId: string) => { isCallbackCalled = true; };
            const eventsSubscription = { topics: [{ resourceType: 'entry' }] };

            let eventSource = await client.events.connectToEventsStream(eventsSubscription, eventsCallback);

            expect(global.fetch).toHaveBeenCalledTimes(1);

            expect((global.fetch as any).calls.first().args[0]).toEqual(getDefaultAuthenticateUrl());

            const url = 'http://my-website.com/api/management/projects/myProject/events/sse/stream';

            expect((jasmine as any).Ajax.requests.mostRecent().url).toBe(url);

            expect((jasmine as any).Ajax.requests.mostRecent())
                .toEqual(jasmine.objectContaining(getDefaultXMLHttpRequest('POST', JSON.stringify(eventsSubscription))));

            expect(eventSource).not.toBeNull();
            expect(isCallbackCalled).toBeFalse();
            expect(eventSource.url).toEqual(url);
            expect(eventSource.close).toBeDefined();
        });

        it('with topics and templates', async () => {
            let client = Zengenti.Contensis.Client.create(getDefaultConfig());
            let isCallbackCalled = false;
            let eventsCallback = (eventsJSON: string, subscriptionId: string) => { isCallbackCalled = true; };
            const eventsSubscription = {
                topics: [{ resourceType: 'entry', contentTypeId: ['artist', 'assetTest'] }],
                templates: { 'entry': '{"title": "{{resource.entryTitle}}", "id": "{{resource.sys.id}}", "alias": "{{event.alias}}"}' }
            };

            let eventSource = await client.events.connectToEventsStream(eventsSubscription, eventsCallback);

            expect(global.fetch).toHaveBeenCalledTimes(1);

            expect((global.fetch as any).calls.first().args[0]).toEqual(getDefaultAuthenticateUrl());

            const url = 'http://my-website.com/api/management/projects/myProject/events/sse/stream';

            expect((jasmine as any).Ajax.requests.mostRecent().url).toBe(url);

            expect((jasmine as any).Ajax.requests.mostRecent())
                .toEqual(jasmine.objectContaining(getDefaultXMLHttpRequest('POST', JSON.stringify(eventsSubscription))));

            expect(eventSource).not.toBeNull();
            expect(isCallbackCalled).toBeFalse();
            expect(eventSource.url).toEqual(url);
            expect(eventSource.close).toBeDefined();
        });
    });

});