import { sha256 } from 'viem';

/**
 * Will return a an index between 0 and optionsLength
 */
export const getBaseDefaultProfilePictureIndex = (
  name: string,
  optionsLength: number,
) => {
  const nameAsUint8Array = Uint8Array.from(
    name.split('').map((letter) => letter.charCodeAt(0)),
  );
  const hash = sha256(nameAsUint8Array);
  const hashValue = Number.parseInt(hash, 16);
  const remainder = hashValue % optionsLength;
  const index = remainder;
  return index;
};