// this is a simple osc receiver for displaying osc messages on screen
// to use, simply start with "node oscreceiver.js <hubAddress> <hubPort>"

var readline = require('readline');
var dateFormat = require('dateformat');
var osc = require('node-osc');

var listenPort = 8000;
var hubAddress = process.argv.length > 2 ? process.argv[2] : '192.168.23.43';
var hubPort = process.argv.length > 3 ? process.argv[3] : 7110;

var oscClient = new osc.Client(hubAddress, hubPort);
var oscServer = new osc.Server(listenPort, '0.0.0.0');

require('dns').lookup(require('os').hostname(), function (err, add, fam) {
    console.log('my address: '+add + ' subscribing on hub ' +  hubAddress);
    oscClient.send('/subscribe', add, listenPort, "sekret");
});

oscServer.on("message", function (msg, rinfo) {
    var dateString = dateFormat(new Date(), "HH:MM:ss.L");
    console.log(dateString + "\t" + msg);
});


var rl = readline.createInterface(process.stdin,process.stdout,null);

rl.on('line', function(cmd) {
	var sepIndex = cmd.indexOf(":");
	if(sepIndex > 0) {
		var path = cmd.substr(0, sepIndex);
		var val = cmd.substr(sepIndex+1);
        if(isNumber(val)) parseFloat(val);
		console.log("writing: %s with %s", path, val);
		oscClient.send(path, val);
	}
});

rl.on('close', function(cmd) {
	console.log("bye bye");
	oscClient.send('/unsubscribe', hubAddress, listenPort);
	process.exit(0);
});


function isNumber(value) {
    if ((undefined === value) || (null === value)) {
        return false;
    }
    if (typeof value == 'number') {
        return true;
    }
    return !isNaN(value - 0);
}