export function getVideoUrl(name: string): string {
  return `https://openlist.wufangzhen.com/d/139/wufangzhen.com/mp4/${name}`
}

export function clamp(value: number, min: number, max: number): number {
  return Math.min(Math.max(value, min), max)
}

export function isMobileDevice(): boolean {
  if (typeof window === 'undefined') return false
  return window.innerWidth < 768 || 'ontouchstart' in window
}

export function getOS(): 'mac' | 'windows' | 'linux' | 'unknown' {
  if (typeof window === 'undefined') return 'unknown'
  const userAgent = window.navigator.userAgent
  if (userAgent.includes('Mac')) return 'mac'
  if (userAgent.includes('Windows')) return 'windows'
  if (userAgent.includes('Linux')) return 'linux'
  return 'unknown'
}

export function debounce<T extends (...args: unknown[]) => void>(fn: T, delay: number): T {
  let timeoutId: ReturnType<typeof setTimeout>
  return ((...args: Parameters<T>) => {
    clearTimeout(timeoutId)
    timeoutId = setTimeout(() => fn(...args), delay)
  }) as T
}

export function throttle<T extends (...args: unknown[]) => void>(fn: T, delay: number): T {
  let lastCall = 0
  return ((...args: Parameters<T>) => {
    const now = Date.now()
    if (now - lastCall >= delay) {
      lastCall = now
      fn(...args)
    }
  }) as T
}