var pn532 = require('pn532');
var SerialPort = require('serialport').SerialPort;

var serialPort = new SerialPort('/dev/tty.usbserial-AFWR836M', { baudrate: 115200 });
var rfid = new pn532.PN532(serialPort);

var pn532 = require('pn532');
var i2c = require('i2c');

var wire = new i2c(pn532.I2C_ADDRESS, {device: '/dev/i2c-1'});
var rfid = new pn532.PN532(wire);

rfid.on('ready', function() {
    rfid.scanTag().then(function(tag) {
        console.log('tag:', tag.uid);
    });
});

rfid.on('ready', function() {
    console.log('Listening for a tag scan...');
    rfid.on('tag', function(tag) {
        console.log('tag:', tag.uid);
    });
});

rfid.on('ready', function() {
    rfid.getFirmwareVersion().then(function(data) {
        console.log('firmware: ', data);
    });
});

rfid.on('ready', function() {
    rfid.on('tag', function(tag) {
        rfid.readNdefData().then(function(data) {
            var records = ndef.decodeMessage(Array.from(data));
            console.log(records);
        });
    });
});

rfid.on('ready', function() {
    rfid.scanTag().then(function(tag) {
        var messages = [
            ndef.uriRecord('http://www.google.com'),
            ndef.textRecord('test')
        ];
        var data = ndef.encodeMessage(messages);

        rfid.writeNdefData(data).then(function(response) {
            console.log('Write successful');
        });
    });
});