import 'reflect-metadata';

import {
    ToggleComponent,
} from './toggle.component';

const initToggleComponent = () => {
    return new ToggleComponent();
};

describe('ngAfterViewInit', () => {
    test('Sets isAnimatable to true', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isAnimatable = null;

        toggleComponent.ngAfterViewInit();

        expect(
            toggleComponent.isAnimatable,
        ).toBe(true);
    });
});

describe('toggleButton', () => {
    test('It sets isOn to false if isOn is true and disabled is false', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isOn = true;
        toggleComponent.disabled = false;

        toggleComponent.toggleButton();

        expect(toggleComponent.isOn).toBe(false);
    });

    test('It sets isOn to true if isOn is false and disabled is false', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isOn = false;
        toggleComponent.disabled = false;

        toggleComponent.toggleButton();

        expect(toggleComponent.isOn).toBe(true);
    });

    test('Does not change isOn if disabled is true', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isOn = false;
        toggleComponent.disabled = true;

        toggleComponent.toggleButton();

        expect(toggleComponent.isOn).toBe(false);
    });

    // tslint:disable-next-line
    test('It calls onToggle.emit with the value of isOn if disabled is false', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isOn = true;
        toggleComponent.disabled = false;
        toggleComponent.onToggle.emit = jest.fn();

        toggleComponent.toggleButton();

        expect(toggleComponent.onToggle.emit)
        .toHaveBeenCalledWith(false);
    });

    // tslint:disable-next-line
    test('Does not call onToggle.emit if disabled is true', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isOn = true;
        toggleComponent.disabled = true;
        toggleComponent.onToggle.emit = jest.fn();

        toggleComponent.toggleButton();

        expect(toggleComponent.onToggle.emit).not.toHaveBeenCalled();
    });

    test('Calls onDisabledClick.emit if disabled is true', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isOn = true;
        toggleComponent.disabled = true;
        toggleComponent.onDisabledClick.emit = jest.fn();

        toggleComponent.toggleButton();

        expect(toggleComponent.onDisabledClick.emit).toHaveBeenCalled();
    });

    test('Does not call onDisabledClick.emit if disabled is false', () => {
        const toggleComponent = initToggleComponent();
        toggleComponent.isOn = true;
        toggleComponent.disabled = false;
        toggleComponent.onDisabledClick.emit = jest.fn();

        toggleComponent.toggleButton();

        expect(toggleComponent.onDisabledClick.emit).not.toHaveBeenCalled();
    });
});