import { Context } from "@oak/oak";
import { lookupPubkeyByUsername } from "../directory.ts";
import { fetchArticlesByAuthor, fetchProfileEvent } from "../nostr.ts";
import { profileAtomFeed } from "../feeds.ts";
import Profile from "../models/profile.ts";
import { notFoundHandler } from "../handlers/errors.ts";
import { generateOgProfileImage } from "../magick.ts";

const userAtomFeedHandler = async function (ctx: Context) {
  const username = ctx.state.username;
  const pubkey = await lookupPubkeyByUsername(ctx.state.username);

  if (!pubkey) {
    notFoundHandler(ctx);
    return;
  }

  const profileEvent = await fetchProfileEvent(pubkey);

  if (profileEvent) {
    const profile = new Profile(profileEvent, username);

    if (profile.nip05) {
      await generateOgProfileImage(profile);
      const articles = await fetchArticlesByAuthor(pubkey, 10);
      const atom = await profileAtomFeed(profile, articles);

      ctx.response.headers.set("Content-Type", "application/atom+xml");
      ctx.response.body = atom;
      return;
    }
  }
  notFoundHandler(ctx);
};

export default userAtomFeedHandler;