import React from 'react';
import { mount, render } from 'enzyme';
import moment from 'moment';
import DatePicker from '../';
import { setMockDate, resetMockDate } from '../../../tests/utils';
import focusTest from '../../../tests/shared/focusTest';

const { RangePicker } = DatePicker;

describe('RangePicker', () => {
  focusTest(RangePicker);

  beforeEach(() => {
    setMockDate();
  });

  afterEach(() => {
    resetMockDate();
  });

  it('show month panel according to value', () => {
    const birthday = moment('2000-01-01', 'YYYY-MM-DD').locale('zh-cn');
    const wrapper = mount(
      <RangePicker
        getCalendarContainer={trigger => trigger}
        format="YYYY/MM/DD"
        showTime
        open
      />
    );

    wrapper.setProps({ value: [birthday, birthday] });
    expect(render(wrapper.find('Trigger').instance().getComponent()))
      .toMatchSnapshot();
  });

  it('switch to corresponding month panel when click presetted ranges', () => {
    const birthday = moment('2000-01-01', 'YYYY-MM-DD').locale('zh-cn');
    const wrapper = mount(
      <RangePicker
        ranges={{
          'My Birthday': [birthday, birthday],
        }}
        getCalendarContainer={trigger => trigger}
        format="YYYY/MM/DD"
        showTime
        open
      />
    );

    const rangeCalendarWrapper = mount(wrapper.find('Trigger').instance().getComponent());
    rangeCalendarWrapper.find('.ant-calendar-range-quick-selector a')
      .simulate('click');
    expect(render(wrapper.find('Trigger').instance().getComponent()))
      .toMatchSnapshot();
  });

  it('highlight range when hover presetted range', () => {
    const wrapper = mount(
      <RangePicker
        ranges={{
          'This Month': [moment().startOf('month'), moment().endOf('month')],
        }}
        getCalendarContainer={trigger => trigger}
        format="YYYY/MM/DD"
        open
      />
    );

    let rangeCalendarWrapper = mount(wrapper.find('Trigger').instance().getComponent());
    rangeCalendarWrapper.find('.ant-calendar-range-quick-selector a')
      .simulate('mouseEnter');
    rangeCalendarWrapper = mount(wrapper.find('Trigger').instance().getComponent());
    expect(rangeCalendarWrapper.find('.ant-calendar-selected-day').length).toBe(2);
  });

  it('should trigger onCalendarChange when change value', () => {
    const onCalendarChangeFn = jest.fn();
    const wrapper = mount(
      <RangePicker
        getCalendarContainer={trigger => trigger}
        onCalendarChange={onCalendarChangeFn}
        open
      />
    );
    const rangeCalendarWrapper = mount(wrapper.find('Trigger').instance().getComponent());
    rangeCalendarWrapper.find('.ant-calendar-cell').at(15).simulate('click');
    expect(onCalendarChangeFn).toHaveBeenCalled();
  });

  // issue: https://github.com/ant-design/ant-design/issues/5872
  it('should not throw error when value is reset to `[]`', () => {
    const birthday = moment('2000-01-01', 'YYYY-MM-DD');
    const wrapper = mount(
      <RangePicker
        getCalendarContainer={trigger => trigger}
        value={[birthday, birthday]}
        open
      />
    );
    wrapper.setProps({ value: [] });
    const rangeCalendarWrapper = mount(wrapper.find('Trigger').instance().getComponent());
    expect(() => rangeCalendarWrapper.find('.ant-calendar-cell').at(15).simulate('click').simulate('click'))
      .not.toThrow();
  });

  // issue: https://github.com/ant-design/ant-design/issues/7077
  it('should not throw error when select after clear', () => {
    const wrapper = mount(
      <RangePicker
        getCalendarContainer={trigger => trigger}
        open
      />
    );
    let rangeCalendarWrapper = mount(wrapper.find('Trigger').instance().getComponent());
    rangeCalendarWrapper.find('.ant-calendar-cell').at(15).simulate('click').simulate('click');
    wrapper.update();
    wrapper.find('.ant-calendar-picker-clear').hostNodes().simulate('click');
    wrapper.find('.ant-calendar-picker-input').simulate('click');
    rangeCalendarWrapper = mount(wrapper.find('Trigger').instance().getComponent());
    expect(() => rangeCalendarWrapper.find('.ant-calendar-cell').at(15).simulate('click').simulate('click'))
      .not.toThrow();
  });

  it('clear hover value after panel close', () => {
    jest.useFakeTimers();
    const wrapper = mount(
      <div>
        <RangePicker value={[moment(), moment().add(2, 'day')]} />
      </div>
    );
    wrapper.find('.ant-calendar-picker-input').simulate('click');
    wrapper.find('.ant-calendar-cell').at(25).simulate('click');
    wrapper.find('.ant-calendar-cell').at(27).simulate('mouseEnter');
    document.dispatchEvent(new MouseEvent('mousedown'));
    jest.runAllTimers();
    wrapper.find('.ant-calendar-picker-input').simulate('click');
    expect(
      wrapper.find('.ant-calendar-cell').at(23).hasClass('ant-calendar-in-range-cell')
    ).toBe(true);
  });

  describe('preset range', () => {
    it('static range', () => {
      const range = [moment().subtract(2, 'd'), moment()];
      const format = 'YYYY-MM-DD HH:mm:ss';
      const wrapper = mount(
        <RangePicker
          ranges={{ 'recent two days': range }}
          format={format}
        />
      );
      wrapper.find('.ant-calendar-picker-input').simulate('click');
      wrapper.find('.ant-calendar-range-quick-selector a').simulate('click');
      expect(
        wrapper.find('.ant-calendar-range-picker-input').first().getDOMNode().value
      ).toBe(range[0].format(format));
      expect(
        wrapper.find('.ant-calendar-range-picker-input').last().getDOMNode().value
      ).toBe(range[1].format(format));
    });

    it('function range', () => {
      const range = [moment().subtract(2, 'd'), moment()];
      const format = 'YYYY-MM-DD HH:mm:ss';
      const wrapper = mount(
        <RangePicker
          ranges={{ 'recent two days': () => range }}
          format={format}
        />
      );
      wrapper.find('.ant-calendar-picker-input').simulate('click');
      wrapper.find('.ant-calendar-range-quick-selector a').simulate('click');
      expect(
        wrapper.find('.ant-calendar-range-picker-input').first().getDOMNode().value
      ).toBe(range[0].format(format));
      expect(
        wrapper.find('.ant-calendar-range-picker-input').last().getDOMNode().value
      ).toBe(range[1].format(format));
    });
  });

  // https://github.com/ant-design/ant-design/issues/6999
  it('input date manually', () => {
    const wrapper = mount(<RangePicker open />);
    const dateString = '2008-12-31';
    const input = wrapper.find('.ant-calendar-input').first();
    input.simulate('change', { target: { value: dateString } });
    expect(input.getDOMNode().value).toBe(dateString);
  });

  it('triggers onOk when click on preset range', () => {
    const handleOk = jest.fn();
    const range = [moment().subtract(2, 'd'), moment()];
    const wrapper = mount(
      <RangePicker
        ranges={{ 'recent two days': range }}
        onOk={handleOk}
      />
    );
    wrapper.find('.ant-calendar-picker-input').simulate('click');
    wrapper.find('.ant-calendar-range-quick-selector a').simulate('click');
    expect(handleOk).toBeCalledWith(range);
  });
});