import 'reflect-metadata';

jest.mock('mixpanel-browser/src/loader-module', () => {
    return {
        default: {
            init: jest.fn(),
            track: jest.fn(),
        },
    };
});
import mixpanel from 'mixpanel-browser/src/loader-module';

import {
    DefaultTrackingService,
} from './default-tracking.service';

import {
    GeneralBrandService,
} from './../index';

import {
    BrandSettingsInterface,
    TrackingEventInterface,
} from './../../../models/index';

const initDefaultTrackingService = (
    generalBrandService?: GeneralBrandService,
) => {
    return new DefaultTrackingService(
        generalBrandService,
    );
};

describe('constructor', () => {
    // tslint:disable-next-line
    test('It calls mixpanel.init with the mixpanelToken from the brand settings', () => {
        const brandSettingsService = {} as GeneralBrandService;
        const brandSettings = {
            mixpanelToken: 'test',
        } as BrandSettingsInterface;
        brandSettingsService.getBrandSettings = jest.fn()
            .mockReturnValue(brandSettings);
        mixpanel.init = jest.fn();

        const trackingService = initDefaultTrackingService(
            brandSettingsService,
        );

        expect(mixpanel.init).toHaveBeenCalledWith(
            'test',
        );
    });
});

describe('sendEvent', () => {
    // tslint:disable-next-line
    test('It calls mixpanel.track with the correct arguments', () => {
        const brandSettingsService = {} as GeneralBrandService;
        const brandSettings = {
            mixpanelToken: 'test',
        } as BrandSettingsInterface;
        brandSettingsService.getBrandSettings = jest.fn()
            .mockReturnValue(brandSettings);
        const trackingService = initDefaultTrackingService(
            brandSettingsService,
        );
        mixpanel.track = jest.fn();
        const sentEvent = {
            name: 'testname',
            properties: { abc: 'testprop' },
        } as TrackingEventInterface;

        trackingService.sendEvent(sentEvent);

        expect(
            mixpanel.track,
        ).toHaveBeenCalledWith(
            sentEvent.name,
            sentEvent.properties,
        );
    });
});