/**
 * Sampradāya (spiritual lineage) options for the profile field.
 *
 * Stored as a lowercase `code` on the account; the `name` is the display
 * label shown in the searchable picker. Only Gaudiya exists today —
 * append more entries here as they're supported (the BFF allow-list in
 * user_service.go must be extended in lockstep).
 */

export const SAMPRADAYAS: { code: string; name: string }[] = [
  { code: "gaudiya", name: "Gaudiya" },
];

/** Display label for a sampradāya code, or null when unknown. */
export function sampradayaName(code: string | null | undefined): string | null {
  if (!code) return null;
  return SAMPRADAYAS.find((s) => s.code === code)?.name ?? null;
}

/** Resolve a typed display name back to its code (case-insensitive), or
 *  null when it doesn't match a known lineage. */
export function sampradayaCode(name: string): string | null {
  const n = name.trim().toLowerCase();
  if (!n) return null;
  return SAMPRADAYAS.find((s) => s.name.toLowerCase() === n)?.code ?? null;
}