import { render, screen } from '@testing-library/react';
import { MemoryRouter } from 'react-router-dom';
import { Mock } from 'ts-mockery';
import { EditShortUrl as createEditShortUrl } from '../../src/short-urls/EditShortUrl';
import { Settings } from '../../src/settings/reducers/settings';
import { ShortUrlDetail } from '../../src/short-urls/reducers/shortUrlDetail';
import { ShortUrlEdition } from '../../src/short-urls/reducers/shortUrlEdition';
import { ShortUrl } from '../../src/short-urls/data';

describe('<EditShortUrl />', () => {
  const shortUrlCreation = { validateUrls: true };
  const EditShortUrl = createEditShortUrl(() => <span>ShortUrlForm</span>);
  const setUp = (detail: Partial<ShortUrlDetail> = {}, edition: Partial<ShortUrlEdition> = {}) => render(
    <MemoryRouter>
      <EditShortUrl
        settings={Mock.of<Settings>({ shortUrlCreation })}
        selectedServer={null}
        shortUrlDetail={Mock.of<ShortUrlDetail>(detail)}
        shortUrlEdition={Mock.of<ShortUrlEdition>(edition)}
        getShortUrlDetail={jest.fn()}
        editShortUrl={jest.fn(async () => Promise.resolve())}
      />
    </MemoryRouter>,
  );

  it('renders loading message while loading detail', () => {
    setUp({ loading: true });

    expect(screen.getByText('Loading...')).toBeInTheDocument();
    expect(screen.queryByText('ShortUrlForm')).not.toBeInTheDocument();
  });

  it('renders error when loading detail fails', () => {
    setUp({ error: true });

    expect(screen.getByText('An error occurred while loading short URL detail :(')).toBeInTheDocument();
    expect(screen.queryByText('ShortUrlForm')).not.toBeInTheDocument();
  });

  it('renders form when detail properly loads', () => {
    setUp({ shortUrl: Mock.of<ShortUrl>({ meta: {} }) });

    expect(screen.getByText('ShortUrlForm')).toBeInTheDocument();
    expect(screen.queryByText('Loading...')).not.toBeInTheDocument();
    expect(screen.queryByText('An error occurred while loading short URL detail :(')).not.toBeInTheDocument();
  });

  it('shows error when saving data has failed', () => {
    setUp({}, { error: true });

    expect(screen.getByText('An error occurred while updating short URL :(')).toBeInTheDocument();
    expect(screen.getByText('ShortUrlForm')).toBeInTheDocument();
  });
});