/**
 * Ensure that an Ethereum address does not overflow
 * by removing the middle characters
 * @param address An Ethereum address
 * @param shrinkInidicator Visual indicator to show address is only
 * partially displayed
 * @returns A shrinked version of the Ethereum address
 * with the middle characters removed.
 */
function truncateAddress(address: string, shrinkInidicator?: string) {
  return address.slice(0, 4) + (shrinkInidicator || '…') + address.slice(-4)
}

/**
 * Ensure the ENS names do not overflow by removing the
 * middle characters
 * @param ensName An ENS name
 * @param shrinkInidicator Visual indicator to show address is only
 * partially displayed
 * @returns A shrinked version of the ENS name if and
 * and only if the ENS name is longer than 24 characters
 * such that the displayed string does not overflow
 */
function truncateEns(ensName: string, shrinkInidicator?: string) {
  if (ensName.length < 24) return ensName

  return ensName.slice(0, 20) + (shrinkInidicator || '…') + ensName.slice(-3)
}

export { truncateAddress, truncateEns }