import {Fragment} from 'react';

import {shallow} from 'sentry-test/enzyme';

import BulkController from 'sentry/components/bulkController';

function mountComponent(
  renderProp: Function,
  pageIds: string[],
  defaultSelectedIds?: string[]
) {
  return shallow(
    <BulkController
      allRowsCount={32}
      pageIds={pageIds}
      defaultSelectedIds={defaultSelectedIds}
      columnsCount={4}
    >
      {({
        isAllSelected,
        isPageSelected,
        selectedIds,
        onRowToggle,
        onAllRowsToggle,
        onPageRowsToggle,
      }) => {
        renderProp(isAllSelected, isPageSelected, selectedIds);
        return (
          <Fragment>
            {isPageSelected && 'whole page selected'}
            {isAllSelected && 'everything selected'}
            <button data-test-id="selectAll" onClick={() => onAllRowsToggle(true)} />
            <button data-test-id="selectPage" onClick={() => onPageRowsToggle(true)} />
            <button data-test-id="unselectAll" onClick={() => onAllRowsToggle(false)} />
            <button data-test-id="deselectPage" onClick={() => onPageRowsToggle(false)} />
            <button data-test-id="toggleRow" onClick={() => onRowToggle('2')} />
          </Fragment>
        );
      }}
    </BulkController>
  );
}

describe('BulkController', function () {
  const pageIds = ['1', '2', '3'];
  const renderProp = jest.fn();

  let wrapper: any,
    toggleRow: any,
    selectPage: any,
    deselectPage: any,
    selectAll: any,
    unselectAll: any;

  describe('renders', function () {
    beforeEach(function () {
      wrapper = mountComponent(renderProp, pageIds);
      toggleRow = wrapper.find('[data-test-id="toggleRow"]');
      selectPage = wrapper.find('[data-test-id="selectPage"]');
      deselectPage = wrapper.find('[data-test-id="deselectPage"]');
      selectAll = wrapper.find('[data-test-id="selectAll"]');
      unselectAll = wrapper.find('[data-test-id="unselectAll"]');
    });

    it('sets the defaults', function () {
      expect(renderProp).toHaveBeenLastCalledWith(false, false, []);
    });

    it('toggles single item', function () {
      toggleRow.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, false, ['2']);
      toggleRow.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, false, []);
    });

    it('toggles the page', function () {
      toggleRow.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, false, ['2']);
      selectPage.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, true, ['2', '1', '3']);
      deselectPage.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, false, []);
    });

    it('toggles everything', function () {
      toggleRow.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, false, ['2']);
      selectAll.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(true, true, ['1', '2', '3']);
      unselectAll.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, false, []);
    });

    it('deselects one after having everything selected', function () {
      selectAll.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(true, true, ['1', '2', '3']);
      toggleRow.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, false, ['1', '3']);
    });
  });

  describe('with default selectIds', function () {
    it('sets the defaults', function () {
      wrapper = mountComponent(renderProp, pageIds, ['2']);
      expect(renderProp).toHaveBeenLastCalledWith(false, false, ['2']);
    });

    it('page is selected by default', function () {
      wrapper = mountComponent(renderProp, pageIds, pageIds);
      expect(renderProp).toHaveBeenLastCalledWith(false, true, pageIds);
    });

    it('toggle the last unchecked option, should change button selectAll to true', function () {
      const defaultSelectedIds = ['1', '3'];
      wrapper = mountComponent(renderProp, pageIds, defaultSelectedIds);
      expect(renderProp).toHaveBeenLastCalledWith(false, false, defaultSelectedIds);
      toggleRow.simulate('click');
      expect(renderProp).toHaveBeenLastCalledWith(false, true, [
        ...defaultSelectedIds,
        '2',
      ]);
    });
  });
});