var app = require("http").createServer(handler),
    io = require("socket.io").listen(app),
    fs = require("fs"),
    path = require("path");

function handler(req, res) {
    var file = "." + req.url;
    if(file === "./") file = "./index.html";

    var extname = path.extname(file);
    var contentType;

    switch(extname) {
        case '.html':
        case '.htm':
            contentType = 'text/html';
            break;
        case '.js':
            contentType = 'text/javascript';
            break;
        case '.css':
            contentType = 'text/css';
            break;
        case '.png':
            contentType = 'image/png';
            break;

        //don't allow any other file types
        default:
            console.log(extname, file);
            res.writeHead(500);
            res.end();
            return;
    }

    path.exists(file, function(exists) {
        if(exists) {
            fs.readFile(file, function(err, data) {
                res.writeHead(200, {'Content-Type': contentType});
                res.end(data);
            });
        } else {
            console.log("404", "[" + file + "]");
            res.writeHead(404);
            res.end();
        }
    });
}

app.listen(8080);

var players = {};
var count = 0;
var x;
var y;

var Player = function(x, y) {
    this.x = x;
    this.y = y;
};

io.sockets.on('connection', function(socket) {
    var myNumber = ++count;
    x = Math.floor(Math.random() * 100);
    y = Math.floor(Math.random() * 100);
    var mySelf = players[myNumber] = new Player(x, y);
    for(var player in players) {
        socket.emit('a', {
            player : player,
            x: players[player].x,
            y: players[player].y
        });
    }
    for(var player in players) {
        socket.broadcast.emit('a', {
            player : player,
            x: players[player].x,
            y: players[player].y
        });
    }
    socket.emit('b',{
            player: myNumber,
            x: mySelf.x,
            y: mySelf.y
    });

    socket.on('keys', function(data) {
        console.log(data);
    });
    socket.on('b', function(data) {

    });
});