var express = require('express');
var app = express();
var bodyParser = require('body-parser');
app.use(bodyParser.text());

var sensorData = {};
sensorData.x = 0;
sensorData.y = 0;
sensorData.h = 0;

sensorData.counter = 0;
sensorData.timestamp = Date.now();
var networkInterfaces = require('os').networkInterfaces();
sensorData.address = networkInterfaces.em1[0].address; //wlan0 or em1
sensorData.port = 1500;
sensorData.mac = networkInterfaces.em1[0].mac;



function getPose() {
    sensorData.counter++;
    sensorData.timestamp = Date.now();
    return JSON.stringify(sensorData);
}
app.all('/getpose', function(req, res) {
    res.setHeader("Access-Control-Allow-Origin", "*");
    res.send(getPose());
});

app.all('/setpose', function(req, res) {
    res.setHeader("Access-Control-Allow-Origin", "*");
    console.log(req.body);
    sensorData.x = JSON.parse(req.body).x;
    sensorData.y = JSON.parse(req.body).y;
    sensorData.h = JSON.parse(req.body).h;
    res.send(getPose());
});

app.listen(sensorData.port, function() {
    console.log('listening on', sensorData.address + ':' + sensorData.port);
});