import { getRandomEmoji } from "./utils.ts";

type Route = {
  url: URLPattern;
  execute: (req: Request, match?: URLPatternResult) => Promise<Response>;
};

const routes: Route[] = [];

const thingRoute: Route = {
  url: new URLPattern({ pathname: "/thing/:id" }),
  execute: async (req: Request, match?: URLPatternResult) => {
    const id = match?.pathname.groups.id;

    console.log("Method:", req.method);
    console.log("Headers:", req.headers);

    const url = new URL(req.url);
    console.log("Path:", url.pathname);
    console.log("Query parameters:", url.searchParams);

    if (req.body) {
      const body = await req.text();
      console.log("Body:", body);
    }

    if (!id) {
      const responseData = JSON.stringify({});

      return new Response(responseData, {
        status: 400,
        headers: {
          "content-type": "application/json; charset=utf-8",
        },
      });
    }

    const responseBody = JSON.stringify({
      from: `/thing/${id}`,
      emoji: getRandomEmoji(),
    });

    return new Response(responseBody, {
      status: 200,
      headers: {
        "content-type": "application/json; charset=utf-8",
      },
    });
  },
};

const homeRoute: Route = {
  url: new URLPattern({ pathname: "/" }),
  execute: async (req: Request) => {
    console.log("Method:", req.method);
    console.log("Headers:", req.headers);

    const url = new URL(req.url);
    console.log("Path:", url.pathname);
    console.log("Query parameters:", url.searchParams);

    if (req.body) {
      const body = await req.text();
      console.log("Body:", body);
    }

    const responseBody = JSON.stringify({
      from: "/",
      emoji: getRandomEmoji(),
    });

    return new Response(responseBody, {
      status: 200,
      headers: {
        "content-type": "application/json; charset=utf-8",
      },
    });
  },
};

routes.push(thingRoute);

async function handler(req: Request): Promise<Response> {
  for (const route of routes) {
    const match = route.url.exec(req.url);
    console.log(match ?? "nee");
    if (match) return await thingRoute.execute(req, match);
  }

  return await homeRoute.execute(req);
}

Deno.serve({ port: 7776 }, handler);