var serialport = require("serialport"); // https://github.com/voodootikigod/node-serialport
var SerialPort = serialport.SerialPort; // localize object constructor
var request = require('request');

// ustawienia
var port = "COM1"; // port COM
var baudrate = "57600";
var interval = 500; // interwał sprawdzania nowych powiadomień na wykop w ms
var hash = "<TWOJ-HASH>"; // hash z wykopu
// cookiesy zalogowanego użytkownika z wykopu w formie 'key=value; key2=value2; key3=value3'
var cookie = 'accounthash=??????; login=??????; PHPSESSID=??????';

var sp = new SerialPort(port, {
    parser: serialport.parsers.readline("\n"),
    baudrate: baudrate
});

sp.on("open", function() {
    console.log('open');
    /*
    sp.on('data', function(data) {
        console.log('data received: ' + data);
    }); */
});

(function doRequest() {
    var url = "http://www.wykop.pl/ajax2/notifications/count/hash/" + hash;

    var options = {
        url: url,
        headers: {
            'Cookie': cookie
        }
    };

    request(options, function(error, response, body) {
        if (!error && response.statusCode == 200) {
            var parsed = JSON.parse(body.slice(8));
            var notifCount = parsed.operations[0].data.count;
            console.log(notifCount + " powiadomień");
            sp.write("" + notifCount + "\n"); //wysyłamy serialem do arduino
        } else {
            console.log("error: " + error);
        }
        setTimeout(function() {
            doRequest();
        }, interval);
    });
})();