/*
 * 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 { CellHoverAction } from './../../../actions/cell/drag';
import { EditorState } from '../../../types/editor';

/**
 * Check if this item is currently being hovered.
 */
export const isHoveringThis = (
  state: EditorState = {},
  action: CellHoverAction
): boolean => {
  const { level = 0, hover = null } = action;
  const children = state.rows || state.cells || [];
  if (level > 0) {
    return Boolean(
      children.find(child =>
        isHoveringThis(child, { ...action, level: level - 1 })
      )
    );
  }

  return hover === state.id;
};