import { ClassroomEventHandler } from '../eventHandlers';
import { ScreenshotCaptureService } from '../screenshotCaptureService';
import { WebViewDispatcher } from '../webViewDispatcher';

let whMock = jest.fn();
jest.mock('../extensionComm', () => {
    return {
        extensionComm: {
            //@ts-ignore
            sendToWebHelper: (data) => {
                whMock(data);
            }
        }
    };
});

afterEach(() => {
    jest.clearAllMocks();
    jest.resetAllMocks();
    jest.resetModules();
});

describe('Classroom Event Handlers', () => {
    it('onJoinClassPostProcess sets the state and calls subscriber', () => {
        const classData = { className: 'Advanced Maths' };

        const mockSubscriber = {
            onJoinClass: jest.fn()
        };

        const ceh = new ClassroomEventHandler({} as WebViewDispatcher, {} as ScreenshotCaptureService);
        //@ts-ignore
        const setStateStub = jest.spyOn(ClassroomEventHandler.prototype, 'setState').mockImplementation(() => {});

        //@ts-ignore
        ceh.addSubscriber(mockSubscriber);
        ceh.onJoinClassPostProcess(classData as any);

        expect(setStateStub).toHaveBeenCalled();
        expect(mockSubscriber.onJoinClass).toHaveBeenCalledWith(classData);
    });

    it('onRemoteExecute sends the launch command to the extension when there is a valid url', async () => {
        const ceh = new ClassroomEventHandler({} as WebViewDispatcher, {} as ScreenshotCaptureService);
        ceh.onRemoteExecute({ path: 'http://www.google.com', teacherInfo: null });
        expect(whMock).toHaveBeenCalledWith({
            message: 'RunURL',
            value: { newTab: true, teacher: '-unknown-', url: 'http://www.google.com' }
        });
    });

    it('onRemoteExecute doesnt sendd the launch command to the extension when there is an invalid url', async () => {
        const ceh = new ClassroomEventHandler({} as WebViewDispatcher, {} as ScreenshotCaptureService);
        ceh.onRemoteExecute({ path: 'invalidurl', teacherInfo: null });
        expect(whMock).not.toHaveBeenCalled();
    });

    it('onRemoteExecute will add the teacher info', async () => {
        const ceh = new ClassroomEventHandler({} as WebViewDispatcher, {} as ScreenshotCaptureService);
        ceh.onRemoteExecute({ path: 'http://www.google.com', teacherInfo: { guid: '1234', username: 'thanks' } });
        expect(whMock).toHaveBeenCalledWith({
            message: 'RunURL',
            value: { newTab: true, teacher: 'thanks', url: 'http://www.google.com' }
        });
    });
});