var PORT = 8888;

var url = require("url");
var http = require("http");
var path = require("path");
var fs = require('fs');
var config = require("./config.js");
var cache = require("./cache.js");
var mime = require("./mime").types;
var crypto = require('crypto');

var server = http.createServer(function (request, response) {

    var pathname = url.parse(request.url).pathname;

    var realPath = "assets" + pathname;


    fs.exists(realPath, function (exists) {

        if (!exists) {

            response.writeHead(404, { 'Content-Type': 'text/plain' });

            response.write("This request URL " + pathname + " was not found on this server.");

            response.end();

        } else {
            var ext = path.extname(realPath);
            ext = ext ? ext.slice(1) : 'unknown';
            var contentType = mime[ext] || "text/plain";
            cache(request, response, next);
            function next() {
                fs.readFile(realPath, "binary", function (err, file) {
                    console.log(new Date(), ":----read file-----");
                    if (err) {
                        response.writeHead(500, { 'Content-Type': contentType });
                        response.end(err);
                    } else {

                        response.writeHead(200, {
                            'Content-Type': contentType,
                        });
                        response.write(file, "binary");
                        response.end();
                    }
                });
            }



        }

    });

});

server.listen(PORT);

console.log("Server runing at port: " + PORT + ".");