/*
 * 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_CREATE_FALLBACK } from '../../actions/cell';
import { cellOrder } from './helper/order';
import { decorate } from './helper/tree';
import { cells } from './tree';
import { createCell } from '../../types/editable';
import { EditorState } from '../../types/editor';
import { AnyAction } from 'redux';

export const rawEditableReducer = (
  state: EditorState = {
    id: null,
    cells: [],
    config: {
      whitelist: [],
    },
  },
  action: AnyAction
) => {
  let newCells = decorate(cells(state.cells, action));

  // eslint-disable-next-line default-case
  switch (action.type) {
    case CELL_CREATE_FALLBACK:
      if (action.editable === state.id) {
        const c = {
          ...createCell(),
          content: {
            plugin: action.fallback,
            state: action.fallback.createInitialState(),
          },
          id: action.ids.cell,
        };
        newCells = decorate(cells([c], action));
      }
      break;
    default:
      break;
  }

  return {
    ...state,
    cells: newCells,
    cellOrder: cellOrder(newCells || []),
  };
};

export const editable = rawEditableReducer;