import 'reflect-metadata';

jest.mock('mixpanel-browser/src/loader-module', () => ({}));

import { Http } from '@angular/http';

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

import TranslateBrandingLoaderService
    from './translate-branding-loader.service';

import * as mock from './../../../mocks/index';

const initMockHttp = mock.http(jest);

const initTranslateBrandingLoaderService = (
    http?: Http,
    brandService?: GeneralBrandService,
) => {
    return new TranslateBrandingLoaderService(
        http,
        brandService,
    );
};

describe('getTranslation', () => {
    // tslint:disable-next-line
    test('It calls brandService.getBrandSettings', () => {
        const brandService = {} as GeneralBrandService;
        brandService.getBrandSettings = jest.fn()
            .mockReturnValue({});
        const translateBrandingLoaderService =
            initTranslateBrandingLoaderService(
                initMockHttp(),
                brandService,
            );

        translateBrandingLoaderService.getTranslation(
            'test',
        );

        expect(brandService.getBrandSettings)
        .toHaveBeenCalled();
    });

    // tslint:disable-next-line
    test('If brandService returns brandSettings with a matching alternativeTranslation, it calls http.get with the translationUrl', () => {
        const brandService = {} as GeneralBrandService;
        brandService.getBrandSettings = jest.fn()
            .mockReturnValue({
                alternativeTranslations: {
                    test: 'abc',
                },
            });
        const http = initMockHttp();
        const translateBrandingLoaderService =
            initTranslateBrandingLoaderService(
                http,
                brandService,
            );

        translateBrandingLoaderService.getTranslation(
            'test',
        );

        expect(http.get)
        .toHaveBeenCalledWith('abc');
    });

    // tslint:disable-next-line
    test('If brandService does not return brandSettings with a matching alternativeTranslation, it calls http.get with the url based on the language selected', () => {
        const brandService = {} as GeneralBrandService;
        brandService.getBrandSettings = jest.fn()
            .mockReturnValue({});
        const http = initMockHttp();
        const translateBrandingLoaderService =
            initTranslateBrandingLoaderService(
                http,
                brandService,
            );

        translateBrandingLoaderService.getTranslation(
            'test',
        );

        expect(http.get)
        .toHaveBeenCalledWith('../assets/translations/test.json');
    });
});