// check if a file exists - read the api docs to learn how to check if a file exists
// there is a special variable in each module __dirname it contains the directory name of this file

var http = require('http');
var url = require('url');
var fs = require('fs');

http.createServer(function (req, res) {
  
  var purl=url.parse(req.url,true);
  if(purl.pathname=='/test')
  {
    res.writeHead(200, {'Content-Type': 'text/plain; charset=UTF-8'});
    res.end('Test');
  }
  else
  {
    fs.exists(__dirname+purl.pathname, function (exists) {
      if (exists){
       res.writeHead(200, {'Content-Type': 'text/plain; charset=UTF-8'});
       fs.readFile(__dirname+purl.pathname, function (err, data){
         if (err) throw err;
         res.end(data);
       });
      }
      else
      {
       res.writeHead(404, {'Content-Type': 'text/plain; charset=UTF-8'});
       res.end('File Not Found');
      }
    });
    
  }
  
}).listen(1337);
console.log('Server running at http://127.0.0.1:1337/');