import { contentType } from "@std/media-types";
import path from "node:path";

const NET_PORT = 4536;
const NET_HOST = '10.0.1.39';
const WEB_ROOT = './res/';

Deno.serve({
	hostname: NET_HOST,
	port: NET_PORT,
	onListen: addr => console.log(`Listening on http://${addr.hostname}:${addr.port}`)
}, req => {
	const url = new URL(req.url);

	if (url.pathname == '/') url.pathname = '/index.html';
	
	return new Promise<Response>(resolve => {
		Deno.readFile(path.join(WEB_ROOT, url.pathname)).then(data => {

			const pathParts = url.pathname.split('/');
			const lastPart = pathParts[pathParts.length - 1];
			const extensionParts = lastPart.split('.');
			const extension = extensionParts[extensionParts.length - 1];
			
			const mime = contentType(extension);
			if (!mime) throw new Error("No mime-type found");

			console.log(`${req.method} ${url}`);
			resolve(new Response(data, { headers: { "Content-Type": mime }}))

		}).catch(() => {

			console.log(`404 ${req.method} ${url}`);
			resolve(new Response("Not Found. Did you try thinking Miku?", {
				status: 404,
				statusText: "Not Found (oo-ee-oo)",
				headers: { "Content-Type": "text/plain" }
			}));

		});
	})	
});