import React from 'react';
import ThemeContextProvider from 'terra-theme-context/lib/ThemeContextProvider';

/* eslint-disable-next-line import/no-extraneous-dependencies */
import { shallowWithIntl, mountWithIntl } from 'terra-enzyme-intl';
import SearchField from '../../src/SearchField';

describe('Snapshots', () => {
  it('renders a basic search field', () => {
    const searchField = shallowWithIntl(<SearchField />).dive();
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field with a label', () => {
    const searchField = shallowWithIntl(<SearchField groupName="TestGroup" isLabelVisible />).dive();
    expect(searchField.find('label').text()).toEqual('TestGroup');
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field with a placeholder', () => {
    const searchField = shallowWithIntl(<SearchField placeholder="Test" />).dive();
    expect(searchField.find('input').prop('placeholder')).toEqual('Test');
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field with a value', () => {
    const searchField = shallowWithIntl(<SearchField value="Test" />).dive();
    expect(searchField.find('input').prop('value')).toEqual('Test');
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field with a defaulted value', () => {
    const searchField = shallowWithIntl(<SearchField defaultValue="Default" />).dive();
    expect(searchField.find('input').prop('defaultValue')).toEqual('Default');
    expect(searchField).toMatchSnapshot();
  });

  it('renders a disabled search field with a value', () => {
    const searchField = shallowWithIntl(<SearchField isDisabled />).dive();
    searchField.instance().updateSearchText('Test');
    expect(searchField.find('input').prop('disabled')).toBe(true);
    expect(searchField.find('Button').prop('isDisabled')).toBe(true);
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field that displays as a block to fill its container', () => {
    const searchField = shallowWithIntl(<SearchField isBlock />).dive();
    searchField.instance().updateSearchText('Test');
    expect(searchField.find('.search-field').prop('className')).toContain('block');
    expect(searchField).toMatchSnapshot();
  });

  it('passes in inputRefCallback as the refCallback prop of the Input component', () => {
    const inputRefCallback = jest.fn();
    const searchField = mountWithIntl(<SearchField inputRefCallback={inputRefCallback} />).children();
    expect(inputRefCallback).toBeCalled();
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field with an aria-label', () => {
    const searchField = shallowWithIntl(<SearchField inputAttributes={{ 'aria-label': 'Search Field' }} />).dive();
    expect(searchField.find('input').prop('aria-label')).toEqual('Search Field');
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field with an aria-label using prop', () => {
    const searchField = shallowWithIntl(<SearchField inputAttributes={{ ariaLabel: 'Search Field' }} />).dive();
    expect(searchField.find('input').prop('aria-label')).toEqual('Terra.searchField.search');
    expect(searchField).toMatchSnapshot();
  });

  it('renders a search field such that custom styles are applied', () => {
    const searchField = shallowWithIntl(<SearchField inputAttributes={{ className: 'test-class' }} />).dive();
    expect(searchField.find('input').prop('className')).toContain('test-class');
    expect(searchField).toMatchSnapshot();
  });

  it('clears form with clear method', () => {
    const searchField = shallowWithIntl(<SearchField />).dive();
    searchField.instance().updateSearchText('amp');

    expect(searchField.instance().searchText).toBe('amp');
    searchField.instance().handleClear();
    expect(searchField.instance().searchText).toBe('');
  });

  it('correctly applies the theme context className', () => {
    const searchField = mountWithIntl(
      <ThemeContextProvider theme={{ className: 'orion-fusion-theme' }}>
        <SearchField />
      </ThemeContextProvider>,
    );
    expect(searchField).toMatchSnapshot();
  });
});

describe('Manual Search', () => {
  it('triggers search on button click', () => {
    const onSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField onSearch={onSearch} />).dive();
    searchField.instance().updateSearchText('Te');
    expect(onSearch).not.toBeCalled();
    searchField.find('.search-field').childAt(1).simulate('click');
    expect(onSearch).toBeCalledTimes(1);
    expect(onSearch).toBeCalledWith('Te');
  });

  it('focuses on search button and triggers search on enter keypress', () => {
    const container = document.createElement('div');
    container.id = 'container';
    document.body.appendChild(container);

    const onSearch = jest.fn();
    const searchField = mountWithIntl(<SearchField onSearch={onSearch} />, {
      attachTo: document.querySelector('#container'),
    });

    expect(onSearch).not.toBeCalled();
    searchField.find('input').simulate('change', { target: { value: 'Te' } });
    searchField.find('input').simulate('keydown', { nativeEvent: { keyCode: 13 } });
    const searchBtn = searchField.find('button').at(1);
    expect(document.activeElement).toBe(searchBtn.getDOMNode());
    expect(onSearch).toBeCalledTimes(1);
    expect(onSearch).toBeCalledWith('Te');
  });

  it('does not trigger search if default minimum search text has not been met', () => {
    const onSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField onSearch={onSearch} />).dive();
    searchField.setState({ searchText: 'T' });

    expect(onSearch).not.toBeCalled();
    searchField.find('.search-field').childAt(1).simulate('click');
    expect(onSearch).not.toBeCalled();
  });

  it('does not trigger search if minimum search text has not been met', () => {
    const onSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField onSearch={onSearch} minimumSearchTextLength={5} />).dive();
    searchField.setState({ searchText: 'Sear' });

    expect(onSearch).not.toBeCalled();
    searchField.find('.search-field').childAt(1).simulate('click');
    expect(onSearch).not.toBeCalled();
  });

  it('does not search when callback is not provided', () => {
    const searchField = shallowWithIntl(<SearchField minimumSearchTextLength={5} />).dive();
    searchField.setState({ searchText: 'Searc' });

    searchField.find('.search-field').childAt(1).simulate('click'); // Verifies we do not attempt to call an undefined function.
  });
});

describe('Auto Search', () => {
  beforeAll(() => {
    jest.useFakeTimers();
  });

  afterAll(() => {
    jest.useRealTimers();
  });

  it('triggers search after delay on text change', () => {
    const onSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField onSearch={onSearch} />).dive();

    searchField.find('.input').simulate('change', { target: { value: 'Te' } });

    expect(onSearch).not.toBeCalled();
    jest.runAllTimers();
    expect(onSearch).toBeCalledWith('Te');
  });

  it('only triggers one search if a manual search is triggered before automatic search', () => {
    const onSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField onSearch={onSearch} />).dive();

    searchField.find('.input').simulate('change', { target: { value: 'Te' } });

    expect(onSearch).not.toBeCalled();

    searchField.find('.search-field').childAt(1).simulate('click');
    expect(onSearch).toBeCalledWith('Te');

    jest.runAllTimers();
    expect(onSearch.mock.calls.length).toBe(1);
  });

  it('does not trigger search if minimum text length is not met', () => {
    jest.useFakeTimers();
    const onSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField onSearch={onSearch} minimumSearchTextLength={5} />).dive();

    searchField.find('.input').simulate('change', { target: { value: 'Sear' } });

    expect(onSearch).not.toBeCalled();
    jest.runAllTimers();
    expect(onSearch).not.toBeCalled();
  });

  it('triggers onInvalidSearch if minimum text length is not met', () => {
    jest.useFakeTimers();
    const onSearch = jest.fn();
    const onInvalidSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField onSearch={onSearch} onInvalidSearch={onInvalidSearch} minimumSearchTextLength={5} />).dive();

    searchField.find('.input').simulate('change', { target: { value: 'Sear' } });

    jest.runAllTimers();
    expect(onSearch).not.toBeCalled();
    expect(onInvalidSearch).toBeCalledWith('Sear');
  });

  it('uses standard timeout for search delay when not provided', () => {
    const searchField = shallowWithIntl(<SearchField />).dive();
    searchField.find('.input').simulate('change', { target: {} });
    expect(setTimeout).toBeCalledWith(expect.anything(), 2500);
  });

  it('uses custom timeout for search delay when provided', () => {
    const onSearch = jest.fn();
    const searchField = shallowWithIntl(<SearchField searchDelay={1000} onSearch={onSearch} />).dive();

    searchField.find('.input').simulate('change', { target: {} });
    jest.advanceTimersByTime(2500);
    expect(onSearch).not.toBeCalled();
    jest.advanceTimersByTime(2500);
    expect(onSearch).not.toBeCalled();
    jest.advanceTimersByTime(2500);
    expect(onSearch).not.toBeCalled();

    jest.advanceTimersByTime(1000);
    // 1000ms has been passed by jest by now
    expect(setTimeout).toBeCalled();
  });

  it('should call onChange when button is selected', () => {
    const onChange = jest.fn();
    const searchField = shallowWithIntl(<SearchField onChange={onChange} />).dive();

    searchField.find('.input').simulate('change', { target: {} });
    expect(onChange).toBeCalled();

    searchField.find('.input').simulate('change', { target: {} });
    expect(onChange).toBeCalled();
  });
});