/**
 * Copyright 2023 Comcast Cable Communications Management, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

import { makeCreateComponent } from '@lightningjs/ui-components-test-utils';
import Toggle from '.';
import { withThemeStyles } from '../../mixins';
import { jest } from '@jest/globals';

const createToggle = makeCreateComponent(Toggle);

const styles = {
  w: 96,
  strokeRadius: 20,
  strokeWidth: 2,
  knobWidth: 36,
  knobHeight: 30,
  knobRadius: 16,
  knobPadding: 2
};
const createStyledToggle = makeCreateComponent(withThemeStyles(Toggle, styles));

describe('Toggle', () => {
  let toggle, styledToggle, testRenderer;

  beforeEach(() => {
    [toggle, testRenderer] = createToggle();
    [styledToggle] = createStyledToggle();
  });

  afterEach(() => {
    toggle = null;
    testRenderer = null;
    styledToggle = null;
  });

  it('renders', () => {
    const tree = testRenderer.toJSON(2);
    expect(tree).toMatchSnapshot();
  });

  it('sets the announce string to the checked status', () => {
    toggle.checked = true;
    testRenderer.forceAllUpdates();
    expect(toggle.announce).toBe('Checked');
    toggle.checked = false;
    testRenderer.forceAllUpdates();
    expect(toggle.announce).toBe('Unchecked');
  });

  it('overrides the announce string', () => {
    const overrideString = 'Custom announce string';
    toggle.announce = overrideString;
    testRenderer.forceAllUpdates();
    expect(toggle.announce).toBe(overrideString);
  });

  it('reannounces on checked status change', () => {
    toggle.fireAncestors = jest.fn();
    toggle.checked = true;
    testRenderer.forceAllUpdates();
    expect(toggle.fireAncestors).toHaveBeenCalledWith('$announce', 'Checked');
  });

  describe('#toggle', () => {
    it('changes checked state', () => {
      expect(toggle.checked).toEqual(false);

      toggle.toggle();
      expect(toggle.checked).toEqual(true);

      toggle.toggle();
      expect(toggle.checked).toEqual(false);
    });

    it('renders checked state', () => {
      toggle.toggle();
      testRenderer.update();
      const tree = testRenderer.toJSON(2);
      expect(tree).toMatchSnapshot();
    });

    it('calculates unchecked position if not specified', async () => {
      const uncheckedPosition =
        styledToggle.style.strokeWidth + styledToggle.style.knobPadding;
      const checkedPosition =
        styledToggle.style.w -
        styledToggle.style.strokeWidth -
        styledToggle.style.knobPadding -
        styledToggle.style.knobWidth;

      expect(styledToggle.checked).toBe(false);
      expect(styledToggle._Knob.x).toBe(uncheckedPosition);

      styledToggle.toggle();
      setTimeout(() => {
        expect(styledToggle.checked).toBe(true);
        expect(styledToggle._Knob.x).toBe(checkedPosition);
      }, 1);
    });

    it('calculates correct stroke height', () => {
      expect(toggle._Stroke.h).toBe(toggle.style.h);
      expect(styledToggle._Stroke.h).toBe(styledToggle.style.h);
    });
  });

  describe('Key handling', () => {
    it('Enter press toggles', async () => {
      [toggle, testRenderer] = createToggle(
        {},
        { spyOnMethods: ['_handleEnter'] }
      );
      const spy = jest.spyOn(toggle, 'toggle');

      testRenderer.keyPress('Enter');
      await toggle.__handleEnterPromiseSpy;
      expect(spy).toBeCalled();
    });
  });
});
