import type { ActorIdentifier, Did, Handle } from "@atcute/lexicons/syntax";

export const INVALID_HANDLE = "handle.invalid" satisfies Handle;

export const profileIdentifier = (handle: Handle | undefined, did: Did): ActorIdentifier =>
	handle && handle !== INVALID_HANDLE ? handle : did;

export const canonicalHandle = (handle: Handle | undefined): Handle | null =>
	handle && handle !== INVALID_HANDLE ? handle : null;