var http = require('http');
var fs = require('fs');
var express = require('express');
var app = express();
var path = require('path');
var server = http.createServer(app);
var port = 8000;
// const osc = require('osc');

const { SerialPort } = require('serialport')
const { ReadlineParser } = require('@serialport/parser-readline')
const sport = new SerialPort({ path: '/dev/ttyACM0', baudRate: 115200 })


const parser = sport.pipe(new ReadlineParser({ delimiter: '\r\n' }))

server.listen(port, () => {
  console.log("Server is listening at port %d", port);
});

app.use(express.static(path.join(__dirname, "public")));

var io = require('socket.io')(server);

io.on('connection', function(socket) {
  console.log("A client connected!");

  parser.on('data', function(data) {
    const msg = data.split(' ');
    console.log(msg[0], msg[1]);
    io.emit('node-data', data);
  });

  socket.on("blink", () => {
    console.log("Blink event received!");
    io.emit("blink"); // Emit the "blink" event to all connected clients
  });

  socket.on('chat message', (msg) => {
    console.log('[user][' + socket.id + '][' + msg + ']');
  });

  socket.on('userposition', (msg) => {
    console.log('[user][' + socket.id + '][position: ' + msg[0] + ',' + msg[1] + ']');
    socket.to('expo').emit(socket.id, msg);
  });

});