import { Map } from 'immutable';

import { EVENTS_LOADED, GET_EVENTS } from '../constants/actionTypes.js';

export const events = (state = new Map(), action) => {
    switch (action.type) {
        case EVENTS_LOADED:
            const mapped = action.payload.toMap().mapEntries((entry) => {
                const [, event] = entry;
                return [`${event.id}`, event];
            });
            return state.merge(mapped);
        case GET_EVENTS:
        default:
            return state;
    }
};