/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {NavigationMenu} from '../../types';
import {
    HIDE_NAVIGATION_MENU_ITEM,
    NAVIGATION_MENU_ITEM,
    SHOW_NAVIGATION_MENU_ITEM,
    TOGGLE_SIDEBAR,
    UIActions
} from '..';

export type UIState = {
    sidebarOpened: boolean,
    navigationMenu: NavigationMenu
};

const defaults: UIState = {
    sidebarOpened: false,
    navigationMenu: []
};

export function uiReducer(state: UIState = defaults, action: UIActions): UIState {
    switch (action.type) {
        case TOGGLE_SIDEBAR:
            return {...state, sidebarOpened: !state.sidebarOpened};
        case NAVIGATION_MENU_ITEM:
            return {...state, navigationMenu: [...state.navigationMenu, action.menuItem]};
        case HIDE_NAVIGATION_MENU_ITEM:
            return {
                ...state,
                navigationMenu: state.navigationMenu.map((i) => i.label === action.label ? {...i, hidden: true} : i)
            };
        case SHOW_NAVIGATION_MENU_ITEM:
            return {
                ...state,
                navigationMenu: state.navigationMenu.map((i) => i.label === action.label ? {...i, hidden: false} : i)
            };
        default:
            return state;
    }
}