var os = require('os');
var http = require('http');
var ps = require('portscanner');
var dispatcher = require('httpdispatcher');
var spawn = require('child_process').spawn;

function getmem(){
    var prc = spawn('free',  []);

    prc.stdout.setEncoding('utf8');
    prc.stdout.on('data', function (data) {
        var str = data.toString()
        var lines = str.split(/\n/g);
        for(var i = 0; i < lines.length; i++) {
            lines[i] = lines[i].split(/\s+/);
        }
        serverstat.mem = lines[1][2]/lines[1][1];
    });

    prc.on('close', function (code) {
    });
}

var PORT = 3369;

var serverstat={
    "release":"undef",
    "uptime":"",
    "load":[0,0,0],
    "mem":0,
    "mc":false,
    "pcs":{
	"2222":false,
	"2223":false,
	"2224":false,
	"2225":false
	}
}

serverstat.release = os.release();

function secondsToString(seconds)
{
    function adds(x,a){
        return x + " " + a + " ";
    }
    var numdays = Math.floor(seconds / 86400); seconds%=86400;
    var numhours = Math.floor(seconds / 3600); seconds%=3600;
    var numminutes = Math.floor(seconds / 60); seconds%=60;
    return  adds(numdays,"day") + adds(numhours,"hrs")+ adds(numminutes,"min") + adds(seconds,"sec");

}

function refreshStat(){
    ps.checkPortStatus(25565, 'cnjoe.info', function(error, status) {
        // Status is 'open' if currently in use or 'closed' if available 
        if (status=='open')
            serverstat.mc=true;
        else
            serverstat.mc=false;
    })
    for (var key in p) {
  if (p.hasOwnProperty(key)) {
    alert(key + " -> " + p[key]);
  }
    getmem();
    serverstat.uptime = os.uptime();
    serverstat.load = os.loadavg();
}

function handleRequest(request, response){
    try {
        //log the request on console
//        console.log(request.url);
        //Disptach
        dispatcher.dispatch(request, response);
    } catch(err) {
        console.log(err);
    }
}

//For all your static (js/css/images/etc.) set the directory name (relative path).
dispatcher.setStatic('resources');

//A sample GET request    
dispatcher.onGet("/", function(req, res) {
    res.writeHead(200, {'Content-Type': 'application/json'});
    res.end(JSON.stringify(serverstat));
});    

//A sample POST request
//dispatcher.onPost("/post1", function(req, res) {
//    res.writeHead(200, {'Content-Type': 'text/plain'});
//    res.end('Got Post Data');
//});

//Create a server
var server = http.createServer(handleRequest);

//Lets start our server
server.listen(PORT, function(){
    //Callback triggered when server is successfully listening. Hurray!
    console.log("Server listening on: http://localhost:%s", PORT);
});

refreshStat();

setInterval(refreshStat,5000);