/*
 * This file is part of ORY Editor.
 *
 * ORY Editor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ORY Editor is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with ORY Editor.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @license LGPL-3.0
 * @copyright 2016-2018 Aeneas Rekkas
 * @author Aeneas Rekkas <aeneas+oss@aeneas.io>
 *
 */

import { CELL_FOCUS, CELL_BLUR, CELL_BLUR_ALL } from '../../actions/cell';

export const focus = (
  state: string = '',
  action: {
    type: string;
    id: string;
  }
) => {
  switch (action.type) {
    case CELL_FOCUS:
      return action.id;
    case CELL_BLUR_ALL:
      return '';
    case CELL_BLUR:
      return action.id === state ? '' : state;
    default:
      return state;
  }
};