var fs = require("fs");
var pathlib = require("path");

var webroot = "web";

var files = {};
function file(wpath, fpath) {
	if (typeof fpath === "object")
		return files[wpath] = fpath;

	if (fpath === undefined)
		fpath = wpath;

	files[wpath] = fs.readFileSync(pathlib.join(webroot, fpath));
}

file("/polyfills.js");
file("/script.js");
file("/slide.css");
file("/slide.js");
file("/admin/", "/admin/index.html");
file("/admin/style.css");
file("/admin/lib.js");
file("/admin/view.js");

exports.canServe = canServe;
function canServe(parts) {
	return files[parts.pathname] || files[parts.pathname + "/"];
}

exports.serve = serve;
function serve(parts, res) {
	var f = files[parts.pathname];

	if (!f && files[parts.pathname + "/"]) {
		res.writeHead(302, {
			location: parts.pathname+"/"
		});
		res.end();
	} else {
		res.end(f);
	}
}