/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 *
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you 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.
 */

import React from 'react';
import { mount, render, shallow } from 'enzyme';
import { requiredProps } from '../../../test/required_props';

import {
  OuiHeaderSectionItemButton,
  OuiHeaderSectionItemButtonRef,
} from './header_section_item_button';

describe('OuiHeaderSectionItemButton', () => {
  test('is rendered', () => {
    const component = render(<OuiHeaderSectionItemButton {...requiredProps} />);

    expect(component).toMatchSnapshot();
  });

  test('renders children', () => {
    const component = render(
      <OuiHeaderSectionItemButton>
        <span>Ahoy!</span>
      </OuiHeaderSectionItemButton>
    );

    expect(component).toMatchSnapshot();
  });

  test('renders a link', () => {
    const component = render(<OuiHeaderSectionItemButton href="#" />);

    expect(component).toMatchSnapshot();
  });

  describe('renders notification', () => {
    test('as a badge', () => {
      const component = render(<OuiHeaderSectionItemButton notification="1" />);

      expect(component).toMatchSnapshot();
    });

    test('as a dot', () => {
      const component = render(
        <OuiHeaderSectionItemButton notification={true} />
      );

      expect(component).toMatchSnapshot();
    });

    test('color', () => {
      const component = render(
        <OuiHeaderSectionItemButton
          notification="1"
          notificationColor="subdued"
        />
      );

      expect(component).toMatchSnapshot();
    });
  });

  describe('animation', () => {
    const animate = HTMLElement.prototype.animate;
    beforeAll(() => {
      HTMLElement.prototype.animate = jest.fn();
    });
    afterAll(() => {
      HTMLElement.prototype.animate = animate;
    });

    it('renders animation', () => {
      expect.assertions(2);

      mount(
        <OuiHeaderSectionItemButton ref={testAnimation} notification={true} />
      );

      function testAnimation(element: OuiHeaderSectionItemButtonRef) {
        if (element) {
          expect(element.animate).toHaveBeenCalledTimes(0);
          element.ouiAnimate();
          expect(element.animate).toHaveBeenCalledTimes(1);
        }
      }
    });
  });

  describe('onClick', () => {
    test("isn't called upon instantiation", () => {
      const onClickHandler = jest.fn();

      shallow(<OuiHeaderSectionItemButton onClick={onClickHandler} />);

      expect(onClickHandler).not.toHaveBeenCalled();
    });

    test('is called when the button is clicked', () => {
      const onClickHandler = jest.fn();

      const $button = shallow(
        <OuiHeaderSectionItemButton onClick={onClickHandler} />
      );

      $button.simulate('click');

      expect(onClickHandler).toHaveBeenCalledTimes(1);
    });
  });

  describe('ref', () => {
    it('is the button element', () => {
      const ref = jest.fn();
      const component = mount(<OuiHeaderSectionItemButton ref={ref} />);

      expect(ref).toHaveBeenCalledTimes(1);
      expect(ref).toHaveBeenCalledWith(component.find('button').getDOMNode());
    });

    it('is the anchor element', () => {
      const ref = jest.fn();
      const component = mount(
        <OuiHeaderSectionItemButton href="#" ref={ref} />
      );

      expect(ref).toHaveBeenCalledTimes(1);
      expect(ref).toHaveBeenCalledWith(component.find('a').getDOMNode());
    });
  });
});