'use client'

import React from 'react'
import MaterialCard, { Material } from './MaterialCard'

// 用户会话类型
interface UserSession {
  id: string
  role: string
}

interface MaterialGridProps {
  materials: Material[]
  displayedCount: number
  session: { user: UserSession } | null
  loading: boolean
  isTransitionLoading: boolean
  // 音频播放状态
  playingAudioId: string | null
  audioElement: HTMLAudioElement | null
  audioProgress: number
  audioCurrentTime: number
  audioDuration: number
  audioRef: React.RefObject<HTMLAudioElement | null>
  // 下载状态
  downloadingId: string | null
  downloadProgress: number
  // 主题色
  themeColor: string
  // 筛选状态（用于空状态提示）
  hasFilters: boolean
  // 搜索关键词（用于高亮）
  searchKeyword?: string
  // 事件处理
  onAudioPlay: (materialId: string, audioUrl: string) => void
  onDownload: (id: string) => void
  onLike: (id: string) => void
  onFavorite: (id: string) => void
  onShare: (id: string) => void
  onEdit: (material: Material) => void
  onDelete: (id: string) => void
  onMaterialClick: (material: Material) => void
  onRetryTranscode: (materialId: string) => void
  showToast: (message: string, options?: { variant?: 'success' | 'error' }) => void
}

function MaterialGridSkeleton() {
  return (
    <div
      className="grid grid-cols-1 gap-x-6 gap-y-10 sm:grid-cols-2 lg:grid-cols-4"
      aria-busy="true"
      aria-live="polite"
      aria-label="素材列表加载中"
    >
      <span className="sr-only">加载中...</span>
      {Array.from({ length: 8 }, (_, index) => (
        <article
          key={index}
          className="overflow-hidden"
        >
          <div className="h-[400px] animate-pulse rounded-[12px] bg-[#eceef0]" />
          <div className="space-y-3 px-4 py-4">
            <div className="h-4 w-3/4 animate-pulse bg-[#eceef0]" />
            <div className="h-3 w-1/2 animate-pulse bg-[#f2f3f5]" />
            <div className="flex items-center justify-between pt-1">
              <div className="h-3 w-20 animate-pulse bg-[#f2f3f5]" />
              <div className="h-3 w-12 animate-pulse bg-[#f2f3f5]" />
            </div>
          </div>
        </article>
      ))}
    </div>
  )
}

export default function MaterialGrid({
  materials,
  displayedCount,
  session,
  loading,
  isTransitionLoading,
  playingAudioId,
  audioElement,
  audioProgress,
  audioCurrentTime,
  audioDuration,
  audioRef,
  downloadingId,
  downloadProgress,
  themeColor,
  hasFilters,
  searchKeyword,
  onAudioPlay,
  onDownload,
  onLike,
  onFavorite,
  onShare,
  onEdit,
  onDelete,
  onMaterialClick,
  onRetryTranscode,
  showToast,
}: MaterialGridProps) {
  return (
    <div className="relative">
      {/* 过渡加载遮罩 */}
      {isTransitionLoading && (
        <div className="absolute inset-0 z-20 flex items-center justify-center bg-[#fafafa]/70 backdrop-blur-[1px]">
          <div className="h-6 w-6 animate-spin rounded-full border-2 border-[#e7e8ea] border-t-[#1a1c1d]" />
        </div>
      )}

      {loading ? (
        <MaterialGridSkeleton />
      ) : materials.length === 0 ? (
        <div className="border-t border-[#e7e8ea] py-24 text-center">
          <p className="text-[15px] tracking-[-0.02em] text-[#6b7075]">
            {hasFilters ? '没有找到匹配的素材' : '还没有素材，快来上传第一个吧！'}
          </p>
        </div>
      ) : (
        <div className="grid grid-cols-1 gap-x-6 gap-y-10 sm:grid-cols-2 lg:grid-cols-4">
          {materials.slice(0, displayedCount).map((material) => (
            <MaterialCard
              key={material.id}
              material={material}
              session={session}
              playingAudioId={playingAudioId}
              audioElement={audioElement}
              audioProgress={audioProgress}
              audioCurrentTime={audioCurrentTime}
              audioDuration={audioDuration}
              audioRef={audioRef}
              downloadingId={downloadingId}
              downloadProgress={downloadProgress}
              themeColor={themeColor}
              onAudioPlay={onAudioPlay}
              onDownload={onDownload}
              onLike={onLike}
              onFavorite={onFavorite}
              onShare={onShare}
              onEdit={onEdit}
              onDelete={onDelete}
              onClick={onMaterialClick}
              onRetryTranscode={onRetryTranscode}
              showToast={showToast}
            />
          ))}
        </div>
      )}
    </div>
  )
}

export type { Material }