"use strcit"

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

var DOCUMENT_ROOT = "../";
var server = http.createServer(function(req,res){
  var reqPath = url.parse(req.url).pathname;
  if (reqPath == "/"){
    reqPath = "quiz03.html";
  }

  var fullPath = path.join(process.cwd(), DOCUMENT_ROOT, reqPath);
  fs.readFile(fullPath, "binary", function (err, file){
    if (err){
      if(err.code == "ENOENT"){
        console.log ("SEND 404 for " + req.url);
        res.writeHeader(404, {"Content-Type": "text/html"});
        res.write ("<h1>Not found</h1>");
        res.end();
      } else{
        console.error ("Error", err);
        res.writeHeader(500, {"Content-Type": "text/plain"});
        res.write(err + "\n");
        res.end();
      }
    }
      else{
        console.log ("SEND 200 for " + req.url);
        res.writeHeader(200);
        res.write (file, "binary");
        res.end();
      }
  });
});

server.listen(3000, function(){
  console.log("Sever listeining on http://localhost:3000");
})