import 'reflect-metadata';

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

import BrowserDetectorService from './browser-detector.service';

const initBrowserDetectorServiceWithUserAgentString =
(
    userAgentString: string,
) => {
    return new BrowserDetectorService({
        navigator: {
            userAgent: userAgentString,
        } as Window,
    });
};

describe('BrowserDetectorService', () => {
    describe('isFirefox', () => {
        // tslint:disable-next-line
        test('If the user navigation string contains Firefox it should return true', () => {
            const browserDetectorService =
                initBrowserDetectorServiceWithUserAgentString(
                    'Firefox',
                );

            expect(browserDetectorService.isFirefox())
            .toBe(true);
        });

        // tslint:disable-next-line
        test('If the user navigation string does not contain Firefox it should return true', () => {
            const browserDetectorService =
                initBrowserDetectorServiceWithUserAgentString(
                    'other',
                );

            expect(browserDetectorService.isFirefox())
            .toBe(false);
        });
    });

    describe('isSafari', () => {
        // tslint:disable-next-line
        test('If the user navigation string contains Safari it should return true', () => {
            const browserDetectorService =
                initBrowserDetectorServiceWithUserAgentString(
                    'Safari',
                );

            expect(browserDetectorService.isSafari())
            .toBe(true);
        });

        // tslint:disable-next-line
        test('If the user navigation string contains Safari AND Chrome it should return false', () => {
            const browserDetectorService =
                initBrowserDetectorServiceWithUserAgentString(
                    'Safari Chrome',
                );

            expect(browserDetectorService.isSafari())
            .toBe(false);
        });

        // tslint:disable-next-line
        test('If the user navigation string does not contain Safari it should return true', () => {
            const browserDetectorService =
                initBrowserDetectorServiceWithUserAgentString(
                    'other',
                );

            expect(browserDetectorService.isSafari())
            .toBe(false);
        });
    });

    describe('isChrome', () => {
        // tslint:disable-next-line
        test('If the user navigation string does not contain Firefox or Safari it should return true', () => {
            const browserDetectorService =
                initBrowserDetectorServiceWithUserAgentString(
                    'really long test value should still return default',
                );

            expect(browserDetectorService.isChrome())
            .toBe(true);
        });
    });
});