const express = require('express');
const path = require('path');
const PORT = process.env.PORT || 3000;
const sensor = require('node-dht-sensor');

const app = express();

app.use('/static', express.static(path.join(__dirname, 'public')));
app.set('views', __dirname + '/public');
app.set('view engine', 'pug');

let temperature = 0;
let humidity = 0;

setInterval(() => {
  sensor.read(22, 17, (err, temperature, humidity) => {
    if (!err) {
      temperature = temperature.toFixed(1); 
      humidity = humidity.toFixed(1);
    }
  });
}, 2000);

app.get('/', (req, res) => {
  res.render('index', { temperature, humidity });
});

app.listen(PORT, () => { console.log(`Up on ${PORT} port`); });