bookbrainz/bookbrainz-site

/* eslint-disable default-case */
/*
 * Copyright (C) 2016  Ben Ockmore
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */


import * as Immutable from 'immutable';

import {
    ADD_LANGUAGE,
    Action,
    DISABLE_PHYSICAL,
    ENABLE_PHYSICAL,
    TOGGLE_SHOW_EDITION_GROUP,
    UPDATE_DEPTH,
    UPDATE_EDITION_GROUP,
    UPDATE_FORMAT,
    UPDATE_HEIGHT,
    UPDATE_LANGUAGES,
    UPDATE_PAGES,
    UPDATE_PUBLISHER,
    UPDATE_RELEASE_DATE,
    UPDATE_STATUS,
    UPDATE_WARN_IF_EDITION_GROUP_EXISTS,
    UPDATE_WEIGHT,
    UPDATE_WIDTH
} from './actions';
import {HIDE_AUTHOR_CREDIT_EDITOR, SHOW_AUTHOR_CREDIT_EDITOR, TOGGLE_AUTHOR_CREDIT} from '../author-credit-editor/actions';


type State = Immutable.Map<string, any>;

function reducer(
    state: State = Immutable.Map({
        authorCreditEditorVisible: false,
        authorCreditEnable: true,
        format: null,
        languages: Immutable.List([]),
        matchingNameEditionGroups: [],
        physicalEnable: true,
        publisher: Immutable.fromJS({}),
        releaseDate: '',
        status: null
    }),
    action: Action
): State {
    const {type, payload} = action;
    switch (type) {
        case ENABLE_PHYSICAL:
            return state.set('physicalEnable', true);
        case DISABLE_PHYSICAL:
            return state.set('physicalEnable', false);
        case TOGGLE_SHOW_EDITION_GROUP:
            return state.set('editionGroupVisible', payload);
        case UPDATE_LANGUAGES:
            return state.set('languages', Immutable.fromJS(payload));
        case ADD_LANGUAGE:
            return state.update('languages', (languages) => (!payload ? languages : languages.push(payload)));
        case UPDATE_FORMAT:
            return state.set('format', payload);
        case UPDATE_PUBLISHER:
            return state.set('publisher', Immutable.fromJS(payload));
        case UPDATE_EDITION_GROUP:
            return state.set('editionGroup', Immutable.fromJS(payload));
        case UPDATE_RELEASE_DATE:
            return state.set('releaseDate', payload);
        case UPDATE_STATUS:
            return state.set('status', payload);
        case UPDATE_WEIGHT:
            return state.set('weight', payload);
        case UPDATE_PAGES:
            return state.set('pages', payload);
        case UPDATE_WIDTH:
            return state.set('width', payload);
        case UPDATE_HEIGHT:
            return state.set('height', payload);
        case UPDATE_DEPTH:
            return state.set('depth', payload);
        case HIDE_AUTHOR_CREDIT_EDITOR:
            return state.set('authorCreditEditorVisible', false);
        case SHOW_AUTHOR_CREDIT_EDITOR:
            return state.set('authorCreditEditorVisible', true);
        case UPDATE_WARN_IF_EDITION_GROUP_EXISTS:
            if (!Array.isArray(payload) || !payload.length) {
                return state.set('matchingNameEditionGroups', []);
            }
            return state.set('matchingNameEditionGroups', payload);
        case TOGGLE_AUTHOR_CREDIT:
            return state.set('authorCreditEnable', !state.get('authorCreditEnable'));
        // no default
    }
    return state;
}

export default reducer;