grain.social/grain

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import { defineQuery, type GrainActorProfile } from "$hatk";

export default defineQuery("social.grain.unspecced.searchActorsTypeahead", async (ctx) => {
  const { params, search, resolve, blobUrl, ok } = ctx;
  const { q, limit } = params;

  // Fetch from bsky and grain in parallel
  const [bskyResult, grainResult] = await Promise.all([
    fetch(
      `https://public.api.bsky.app/xrpc/app.bsky.actor.searchActorsTypeahead?q=${encodeURIComponent(q)}&limit=${limit}`,
    )
      .then((r) => (r.ok ? r.json() : { actors: [] }))
      .catch(() => ({ actors: [] })),
    search("social.grain.actor.profile", q, { limit }).catch(() => ({
      records: [],
    })),
  ]);

  // Build grain profiles map keyed by DID
  const grainItems = await resolve<GrainActorProfile>(grainResult.records.map((r: any) => r.uri));
  const seen = new Set<string>();
  const actors: {
    did: string;
    handle?: string;
    displayName?: string;
    avatar?: string;
  }[] = [];

  // Grain profiles first (prioritize grain users)
  for (const item of grainItems) {
    if (seen.has(item.did)) continue;
    seen.add(item.did);
    actors.push({
      did: item.did,
      handle: item.handle,
      displayName: item.value.displayName,
      avatar: blobUrl(item.did, item.value.avatar, "avatar"),
    });
  }

  // Merge bsky results, skip duplicates
  for (const actor of bskyResult.actors ?? []) {
    if (seen.has(actor.did)) continue;
    seen.add(actor.did);
    actors.push({
      did: actor.did,
      handle: actor.handle,
      displayName: actor.displayName,
      avatar: actor.avatar,
    });
  }

  return ok({ actors: actors.slice(0, limit) });
});