define([
    'http', 
    'node-static'
], 

function (http, nodeStatic) {

    function HttpServer (options) {
        options.port = options.port || 1234;
        options.caching = typeof options.caching != 'undefined' ? options.caching : true;
        options.rootDirectory = options.rootDirectory || './';

        this.server = null;

        this.init(options);
    }

    HttpServer.prototype.init = function (options) {
        var self = this;

        var fileServer = new nodeStatic.Server(options.rootDirectory, { cache: options.caching });

        this.server = http.createServer(
            function (req, res) {
                req.addListener('end', function () {
                    switch(true) {
                        case req.url == '/':
                            fileServer.serveFile('./static/html/index.html', 200, {}, req, res);
                            break;

                        case req.url == '/client.js':
                            fileServer.serveFile('./client.js', 200, {}, req, res);
                            break;

                        case req.url == '/require.js':
                            fileServer.serveFile('./node_modules/requirejs/require.js', 200, {}, req, res);
                            break;

                        case new RegExp(/^\/app/).test(req.url):
                            fileServer.serve(req, res, function () {
                                self.handleFileError(res)
                            });
                            break;

                        case new RegExp(/^\/static/).test(req.url):
                            fileServer.serve(req, res, function () {
                                self.handleFileError(res)
                            });
                            break;

                        default:
                            self.handleFileError(res);
                            break;
                    }
                });
            }
        );
        this.server.listen(options.port);
    }

    HttpServer.prototype.getServer = function () {
        return this.server;
    }

    HttpServer.prototype.handleFileError = function (res) {
        res.writeHead(404, {'Content-Type': 'text/html'}); 
        res.end('<h1>404 not ... found</h1>'); 
    }

    return HttpServer;
});