import { ROOT_DOMAIN } from "../utils.ts";
import index from "../www/index.html" with { type: "text" };
import ascii from "./ascii.txt" with { type: "text" };

function route(
  path: string,
  callback: (req: Request) => Response
): {
  test: (path: string) => boolean;
  fn: (req: Request) => Response;
} {
  const pattern = new URLPattern(path, `https://www.${ROOT_DOMAIN}`);
  return {
    test: (path) => pattern.test(path, `https://www.${ROOT_DOMAIN}`),
    fn: callback,
  };
}

const routes = [
  route(
    "/",
    () =>
      new Response(index, {
        headers: {
          "Content-Type": "text/html; charset=utf8",
        },
      })
  ),
  route("/ascii.txt", () => new Response(ascii)),
];

export default function (req: Request) {
  const path = new URL(req.url).pathname;
  for (const r of routes) if (r.test(path)) return r.fn(req);
  return new Response("404", {
    status: 404,
  });
}