// const { SerialPort } = require('serialport')
// // or
// import { SerialPort } from 'serialport'

// // Create a port
// const port = new SerialPort({
//   path: '/dev/tty-usbserial1',
//   baudRate: 57600,
// })

const { SerialPort } = require('serialport')
const { ReadlineParser } = require('@serialport/parser-readline')
const http = require('node:http');
const fs = require('fs');
const port = new SerialPort({ path: 'COM9', baudRate: 9600 })


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

var value_arduino = "";

parser.on('data', (data => {
    if (value_arduino != data) {
        console.log(data);
    }
    value_arduino = data;
}));

const server = http.createServer((req, res) => {
    
    
    console.log( req.url);
    if (req.url == "/hello") {
        res.end("/hello");
        
    }else
    {
    if (req.url == "/") {
       
        fs.readFile('D:/medvedevis/index.html', 'utf8', (err, data) => {
            if (err) {
              console.error(err);
              return;
            }
             res.writeHead(200,{ 'Content-Type': 'text/html' });
             res.end(data);
          });
    }
    else {
        res.writeHead(200, { 'Content-Type': 'application/json' });
        res.end(value_arduino);
        console.log( req.url);
    }}


});

server.listen(3070);