import { Context } from "@oak/oak";
import { nip19 } from "@nostr/tools";
import { lookupUsernameByPubkey } from "../directory.ts";
import { notFoundHandler } from "../handlers/errors.ts";

const naddrHandler = async function (ctx: Context) {
  const naddr = ctx.state.path;
  let data: nip19.AddressPointer;

  try {
    data = nip19.decode(naddr).data as nip19.AddressPointer;
  } catch (_e) {
    notFoundHandler(ctx);
    return;
  }

  const username = await lookupUsernameByPubkey(data.pubkey);

  if (username && data.identifier) {
    ctx.response.redirect(`/@${username}/${data.identifier}`);
  } else {
    notFoundHandler(ctx);
  }
};

export default naddrHandler;