'use client'

import { useState, useEffect, Suspense, lazy } from 'react'

const FlipbookContent = lazy(() => import('./FlipbookContent'))

export default function FlipbookViewer({ pdfUrl, className = '' }: { pdfUrl: string; className?: string }) {
  const [mounted, setMounted] = useState(false)

  useEffect(() => { setMounted(true) }, [])

  if (!mounted) {
    return (
      <div className={`flex items-center justify-center h-96 bg-gray-50 rounded-lg ${className}`}>
        <div className="text-center">
          <div className="w-8 h-8 border-2 border-[#1e3a5f] border-t-transparent rounded-full animate-spin mx-auto mb-3" />
          <p className="text-sm text-gray-500">Memuat flipbook...</p>
        </div>
      </div>
    )
  }

  return (
    <Suspense fallback={
      <div className={`flex items-center justify-center h-96 bg-gray-50 rounded-lg ${className}`}>
        <div className="text-center">
          <div className="w-8 h-8 border-2 border-[#1e3a5f] border-t-transparent rounded-full animate-spin mx-auto mb-3" />
          <p className="text-sm text-gray-500">Memuat flipbook...</p>
        </div>
      </div>
    }>
      <FlipbookContent pdfUrl={pdfUrl} className={className} />
    </Suspense>
  )
}