// How a deleted account's name is shown (ACCOUNT_DELETION.md AD5, AD6).
//
// The server decides WHAT name a viewer gets (server/src/utils/displayAuthor.js):
// a member is sent "[deleted player]", staff are sent the stored name and a
// `…Deleted` flag. All this file does is mark the staff case, so a moderator
// reading "Ravenna" knows that account no longer exists.

export const DELETED_PLAYER = '[deleted player]'

/** "Ravenna (deleted account)" for staff; the placeholder is left as it is. */
export function markDeleted(name, deleted) {
  if (!name) return name
  return deleted && name !== DELETED_PLAYER ? `${name} (deleted account)` : name
}

/**
 * The same for an admin view that is handed raw ledger rows (`actor_user_id`,
 * `actor_username`): an id that is NULL beside a snapshot that is not is a
 * deleted account, and nothing else clears those ids. Only an explicit null
 * counts — a row that does not carry the id column at all says nothing.
 */
export function rowName(userId, username, fallback = '—') {
  if (!username) return fallback
  return markDeleted(username, userId === null)
}