emiloberg/node-red-contrib-mopidy

'use strict';

import {serverPropsToName, uuid} from './../utils/utils';
import MopidyServer from './MopidyServer'

var SERVERS = {};

const servers = {
    /**
     *
     * @param host
     * @param name
     * @param port
     * @param {boolean} addWithUniqueId Will add a server even though a server with same host/port exists.
     * @returns {*}
     */
    add: function({ host, port, name = '', addWithUniqueId = false }) {
        let serverId = addWithUniqueId ? uuid() : serverPropsToName({ host, port });
        if(servers.exists({ id: serverId })) {
            return SERVERS[serverId]
        } else {
            SERVERS[serverId] = new MopidyServer({ host, port, name, serverId });
            return SERVERS[serverId];
        }
    },

    remove({ host, port, id }) {
        let serverId = id || serverPropsToName({ host, port });
        if (SERVERS.hasOwnProperty(serverId)) {
            SERVERS[serverId].close();
            delete SERVERS[serverId];
            return true;
        } else {
            return false;
        }
    },

    removeAll() {
        Object.keys(SERVERS).forEach(id => {
            servers.remove({ id });
        });
    },

    exists: function({ host, port, id }) {
        if (id) {
            return SERVERS.hasOwnProperty(id);
        } else if (host && port) {
            return SERVERS.hasOwnProperty(serverPropsToName({ host, port }));
        }
    },

    getId: function({ host, port }) {
        if (servers.exists({ host, port })) {
            return serverPropsToName({ host, port });
        } else {
            return null;
        }
    },

    get: function({ id }) {
        return SERVERS[id];
    },

    getAll: function() {
        return Object.keys(SERVERS).map((key) => SERVERS[key]);
    }
};

export default servers;