// Per-scope homepage feed. Each national scope has its own attie.ai custom feed generator in
// gui.do's repo (Dutch/Belgian/Norwegian Atmosphere): community members plus the wider atproto
// conversation relevant to that country, off-topic noise filtered out. The .eu aggregate has its
// own pan-European feed (European Atmosphere).
const FEED_DID = 'did:plc:45uheisi25szrjvjurfpritx'; // gui.do (the feed generators live in this repo)

const uri = (rkey: string) => `at://${FEED_DID}/app.bsky.feed.generator/${rkey}`;
// Subscribe deeplink on mu.social (same path shape as bsky.app: /profile/<handle>/feed/<rkey>).
const subscribe = (rkey: string) => `https://mu.social/profile/gui.do/feed/${rkey}`;

export interface HomeFeed {
  uri: string;
  subscribe: string;
}

// Keyed by scope cc. Add a scope here once its feed is published.
const FEEDS: Record<string, HomeFeed> = {
  nl: { uri: uri('atproto-nl'), subscribe: subscribe('atproto-nl') },
  be: { uri: uri('atproto-be'), subscribe: subscribe('atproto-be') },
  no: { uri: uri('atproto-no'), subscribe: subscribe('atproto-no') },
  eu: { uri: uri('atproto-eu'), subscribe: subscribe('atproto-eu') },
};

/** The homepage feed for a scope, or null when it has none. */
export function feedForScope(cc: string): HomeFeed | null {
  return FEEDS[cc] ?? null;
}