export function getRandomElement<T>(arr: readonly T[]): T {
  if (arr.length === 0) {
    throw new Error("Cannot get random element from empty array");
  }
  return arr[Math.floor(Math.random() * arr.length)];
}

export function shuffleArray<T>(arr: T[]): T[] {
  const shuffled = [...arr];
  for (let i = shuffled.length - 1; i > 0; i--) {
    const j = Math.floor(Math.random() * (i + 1));
    [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];
  }
  return shuffled;
}