const WebSocket = require('ws');
const uuid = require('node-uuid');

const jsDir = `${__dirname}/`;
const Game = require(`${jsDir}/game.js`);

const wss = new WebSocket.Server({ port: 8080 });

const DEBUG = true;

// Global, for now. Is there a need for an instance? Ben 052220
const Server = {
    games: {},

    messageOthers: (ws, message) => { 
        DEBUG && console.log("Sending to other " + wss.clients.size + " clients.")
        wss.clients.forEach((client) => {
            if (client !== ws && client.readyState === WebSocket.OPEN) {
                client.send(JSON.stringify(message));
            }
        });
    },

    messageAll: (ws, message) => { 
        DEBUG && console.log("Sending to all " + wss.clients.size + " clients.")
        wss.clients.forEach((client) => {
            if (client.readyState === WebSocket.OPEN) {
                client.send(JSON.stringify(message));
            }
        });
    },

    onDisconnect: (ws) => { 
        DEBUG && console.log("Closing " + ws.id)
        Server.messageOthers(ws, { head: { type: 'disconnect' }, body: { id: ws.id }})
    },

    onConnect: (ws, req) => {
        ws.id = uuid.v4();
        DEBUG && console.log(req.url + ' connected to ' + ws.id);

        ws.on('message', Server.onMessage.bind(null, ws));
        ws.on('close', Server.onDisconnect.bind(null, ws))

        const G = new Game();

        Server.messageAll(ws, { head: { type: 'connect' }, body: { id: ws.id }});
        Server.messageAll(ws, { head: { type: 'walls' }, body: G.walls})
    },

    onMessage: (ws, message) => {
        DEBUG && console.log('Received: %s', message);
        // Server.messageAll(ws, message);
    },
};

wss.on('connection', Server.onConnect);

console.log("Websocket server listening on :8080")