import { getScope } from '../config/scopes';

// Membership constants, shared by the build-time enumerator and the browser client.
//
// Kept in their own module rather than in members.ts so the client bundle does not also ship
// the seed DID list.

/** The commons DID that member records point at via their `community` field.
 *
 * A DID, never a handle: it is portable and we hold its rotation keys, so it survives the
 * community moving domains. All three sites (.nl/.be/.eu) share this one backlink target. */
export const COMMUNITY_DID = 'did:plc:rldh4m4qtswi7tq4rp23r27q';

/** The membership record type.
 *
 * `eu.atcommons.member`, on a domain the project owns outright — NOT `nl.atproto.member`, whose
 * authority derived from the borrowed atproto.nl. NSIDs get written into other people's
 * repositories as `$type` and stay there forever; a website can be moved in a day, a namespace
 * cannot. Schema published at
 * at://did:plc:aqrkn66k2alnwxfrhstp3unq/com.atproto.lexicon.schema/eu.atcommons.member
 *
 * The legacy `nl.atproto.member` collection is deliberately NOT enumerated anywhere: only two
 * records were ever written and both holders were told directly, so there is no migration path
 * to maintain. */
export const MEMBER_COLLECTION = 'eu.atcommons.member';

/** Countries a join from this build asserts, ISO 3166-1 alpha-2 lowercase.
 *
 * Comes from the build's scope. Empty on `.eu`, which must NOT auto-join — an aggregate view has
 * no country of its own, so it asks instead of guessing. Callers must treat empty as
 * "do not write a record", never as "write an empty array": `countries` has minLength 1. */
export const SITE_COUNTRIES: readonly string[] = getScope(
  import.meta.env.PUBLIC_SITE_SCOPE,
).joinCountries;

/** Whether this build may write a member record at all. False on the aggregate. */
export const CAN_AUTO_JOIN = SITE_COUNTRIES.length > 0;