import { h } from 'preact';
import { render } from '@testing-library/preact';
import { axe } from 'jest-axe';
import { Help } from '../Help';

describe('<Help />', () => {
  it('should have no a11y violations', async () => {
    const { container } = render(
      <Help
        previewShowing={false}
        helpFor={null}
        helpPosition={null}
        version="v1"
      />,
    );
    const results = await axe(container);

    expect(results).toHaveNoViolations();
  });

  it('does not render help if we are in preview mode', () => {
    const { queryByTestId } = render(
      <Help previewShowing helpFor={null} helpPosition={null} version="v1" />,
    );
    expect(queryByTestId('article-form__help-section')).toBeNull();
  });

  it('shows help for the given section when in edit mode', () => {
    const { getByTestId, getByText } = render(
      <Help
        previewShowing={false}
        helpFor="article-form-title"
        helpPosition={null}
        version="v1"
      />,
    );
    const titleHelp = getByTestId('title-help');

    getByTestId('article-form__help-section');
    getByText(/writing a great post title/i);

    expect(
      titleHelp.textContent.includes(
        'Think of your post title as a super short (but compelling!) description — like an overview of the actual post in one short sentence.',
      ),
    ).toEqual(true);

    expect(
      titleHelp.textContent.includes(
        'Use keywords where appropriate to help ensure people can find your post by search.',
      ),
    ).toEqual(true);
  });

  it('shows the correct help for v1', () => {
    const { queryByTestId } = render(
      <Help
        previewShowing={false}
        helpFor={null}
        helpPosition={null}
        version="v1"
      />,
    );

    queryByTestId('article-form__help-section');
    queryByTestId('basic-editor-help');
    queryByTestId('format-help');
    expect(queryByTestId('title-help')).toBeNull();
    expect(queryByTestId('basic-tag-input-help')).toBeNull();
  });

  describe('with the appropriate v2 help sections', () => {
    it('shows the article-form-title', () => {
      const { queryByTestId } = render(
        <Help
          previewShowing={false}
          helpFor="article-form-title"
          helpPosition={null}
          version="v2"
        />,
      );

      queryByTestId('article-form__help-section');
      expect(queryByTestId('basic-editor-help')).toBeNull();
      expect(queryByTestId('format-help')).toBeNull();
      queryByTestId('title-help');
      expect(queryByTestId('basic-tag-input-help')).toBeNull();
    });

    it('shows the article_body_markdown', () => {
      const { queryByTestId } = render(
        <Help
          previewShowing={false}
          helpFor="article_body_markdown"
          helpPosition={null}
          version="v2"
        />,
      );

      queryByTestId('article-form__help-section');
      expect(queryByTestId('basic-editor-help')).toBeNull();
      queryByTestId('format-help');
      expect(queryByTestId('title-help')).toBeNull();
      expect(queryByTestId('basic-tag-input-help')).toBeNull();
    });

    it('shows the tag-input', () => {
      const { queryByTestId } = render(
        <Help
          previewShowing={false}
          helpFor="tag-input"
          helpPosition={null}
          version="v2"
        />,
      );

      queryByTestId('article-form__help-section');
      expect(queryByTestId('basic-editor-help')).toBeNull();
      expect(queryByTestId('format-help')).toBeNull();
      expect(queryByTestId('title-help')).toBeNull();
      queryByTestId('basic-tag-input-help');
    });
  });

  // TODO: test the modals
});