// const { SerialPort } = require('serialport')
// // Create a port
// const port = new SerialPort({
//   path: '/com16/tty-usbserial1',
//   baudRate: 9600,
// })

// port.on('readable', function () {
//     console.log('Data:', port.read())
//   })

//   // Switches the port into "flowing mode"
//   port.on('data', function (data) {
//     console.log('Data:', data.toString('UTF8'))
//   })
const fs = require('fs');
const http = require('node:http');
const {
  SerialPort
} = require('serialport')
const {
  ReadlineParser
} = require('@serialport/parser-readline')

const port = new SerialPort({
  path: '/com9',
  baudRate: 9600
})

var str = "";

const parser = port.pipe(new ReadlineParser({
  delimiter: '\r\n'
}))
parser.on('data', (data) => {
  if (str != data) {
    console.log(data);
  }
  str = data;
})


// Create a local server to receive data from
const server = http.createServer((req, res) => {
  console.log(req.url);
  if (req.url == '/') {
    fs.readFile('index.html', (err, data) => {
      if (err) {
        res.writeHead(404, "Not Found");
        res.write("No file found")
        res.end();
      } else {
        res.writeHead(200, {
          'Content-Type': 'text/html'
        })
        res.write(data)
        res.end();
      }
    })
  } else if (req.url == '/pin') {
    res.writeHead(200, {
      'Content-Type': 'application/json'
    });
    res.end(str);
  } else {
    res.writeHead(404, "Not Found");
    res.end();
  }
});

server.listen(2048);