export function generateId(prefix = 'id'): string {
  return `${prefix}_${Date.now()}_${Math.random().toString(36).substring(2, 9)}`;
}

export function sleep(ms: number): Promise<void> {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

export function isLicenceActive(expiresAt: Date): boolean {
  return new Date(expiresAt) > new Date();
}

export function sanitizePhone(phone: string): string {
  return phone.replace(/\D/g, '').replace(/^0/, '');
}

export function truncate(str: string, max: number): string {
  return str.length > max ? str.slice(0, max) + '...' : str;
}

export function pick<T, K extends keyof T>(obj: T, keys: K[]): Pick<T, K> {
  const result = {} as Pick<T, K>;
  for (const key of keys) {
    result[key] = obj[key];
  }
  return result;
}

export function omit<T, K extends keyof T>(obj: T, keys: K[]): Omit<T, K> {
  const result = { ...obj };
  for (const key of keys) {
    delete (result as Record<string, unknown>)[key as string];
  }
  return result as Omit<T, K>;
}