function normalizeNonNegativeInteger(rawValue, fallback = 0) {
  const value = Number(rawValue);
  if (!Number.isFinite(value) || value < 0) {
    return Math.max(0, Number(fallback) || 0);
  }
  return Math.floor(value);
}

function parseBooleanLike(rawValue, fallback = false) {
  if (rawValue === null || rawValue === undefined || rawValue === '') {
    return fallback;
  }
  if (typeof rawValue === 'boolean') {
    return rawValue;
  }

  const normalized = String(rawValue).trim().toLowerCase();
  if (['1', 'true', 'yes', 'on'].includes(normalized)) return true;
  if (['0', 'false', 'no', 'off'].includes(normalized)) return false;
  return fallback;
}

module.exports = {
  normalizeNonNegativeInteger,
  parseBooleanLike
};