/**
 * Utility function to combine class names
 * Replaces tailwind-merge and clsx with a simple implementation
 */
export function cn(...classes: (string | undefined | null | false)[]): string {
  return classes.filter(Boolean).join(' ')
}

/**
 * Format bytes to human readable string
 */
export function formatBytes(bytes: number): string {
  if (bytes === 0) return '0 Bytes'
  const k = 1024
  const sizes = ['Bytes', 'KB', 'MB', 'GB']
  const i = Math.floor(Math.log(bytes) / Math.log(k))
  return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i]
}

/**
 * Debounce function
 */
export function debounce<T extends (...args: Array<unknown>) => unknown>(
  func: T,
  wait: number
): (...args: Parameters<T>) => void {
  let timeout: NodeJS.Timeout | null = null
  
  return function executedFunction(...args: Parameters<T>) {
    const later = () => {
      timeout = null
      func(...args)
    }
    
    if (timeout) {
      clearTimeout(timeout)
    }
    timeout = setTimeout(later, wait)
  }
}

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