'use client'; // Add this to ensure it's a client component

import React, { useState, useRef } from 'react';
import { Edit2, Trash2, Play, Volume2, VolumeX } from 'lucide-react';
import { Button } from '@/components/ui/button';
import dynamic from 'next/dynamic';

interface VideoGridLayoutProps {
  videos: {
    id: string;
    url: string;
    title: string;
    date?: string;
  }[];
  onEdit?: (id: string) => void;
  onDelete?: (id: string) => void;
}

function VideoGridLayoutComponent({ videos, onEdit, onDelete }: VideoGridLayoutProps) {
  const [hoveredId, setHoveredId] = useState<string | null>(null);
  const [isPlaying, setIsPlaying] = useState<{ [key: string]: boolean }>({});
  const [isMuted, setIsMuted] = useState<{ [key: string]: boolean }>({});
  const videoRefs = useRef<{ [key: string]: HTMLVideoElement | null }>({});

  const handleMouseEnter = (id: string) => {
    setHoveredId(id);
  };

  const handleMouseLeave = (id: string) => {
    setHoveredId(null);
    // 暂停视频并重新静音以便下次预览
    const video = videoRefs.current[id];
    if (video) {
      video.pause();
      video.muted = true;
      setIsPlaying(prev => ({ ...prev, [id]: false }));
      setIsMuted(prev => ({ ...prev, [id]: true }));
    }
  };

  const togglePlay = (id: string) => {
    const video = videoRefs.current[id];
    if (video) {
      if (video.paused) {
        // 在用户主动播放时取消静音
        video.muted = false;
        video.play();
        setIsPlaying(prev => ({ ...prev, [id]: true }));
        setIsMuted(prev => ({ ...prev, [id]: false }));
      } else {
        video.pause();
        setIsPlaying(prev => ({ ...prev, [id]: false }));
      }
    }
  };

  const toggleMute = (id: string, event: React.MouseEvent) => {
    event.stopPropagation(); // 防止触发父元素的点击事件
    const video = videoRefs.current[id];
    if (video) {
      video.muted = !video.muted;
      setIsMuted(prev => ({ ...prev, [id]: video.muted }));
    }
  };

  return (
    <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6 p-6">
      {videos.map((video) => (
        <div
          key={video.id}
          className="group relative bg-white/5 rounded-lg overflow-hidden transition-all duration-300 hover:bg-white/10"
          onMouseEnter={() => handleMouseEnter(video.id)}
          onMouseLeave={() => handleMouseLeave(video.id)}
        >
          {/* 视频容器 */}
          <div className="relative aspect-video">
            <video
              ref={(el) => (videoRefs.current[video.id] = el)}
              src={video.url}
              suppressHydrationWarning
              className="w-full h-full object-cover"
              loop
              muted={isMuted[video.id] !== false} // 默认静音，除非明确设置为false
              playsInline
            />
            
            {/* 播放按钮遮罩 */}
            <div 
              className={`absolute inset-0 flex items-center justify-center bg-black/40 transition-opacity duration-300
                ${hoveredId === video.id ? 'opacity-100' : 'opacity-0'}
              `}
              onClick={() => togglePlay(video.id)}
            >
              <Play className={`w-12 h-12 text-white/90 transition-transform duration-300 
                ${isPlaying[video.id] ? 'scale-90 opacity-0' : 'scale-100 opacity-100'}`} 
              />
            </div>

            {/* 操作按钮 */}
            <div 
              className={`absolute top-4 right-4 flex gap-2 transition-all duration-300 transform
                ${hoveredId === video.id ? 'translate-y-0 opacity-100' : 'translate-y-[-10px] opacity-0'}
              `}
            >
              <Button
                variant="ghost"
                size="icon"
                className="w-8 h-8 rounded-full bg-black/40 hover:bg-black/60 backdrop-blur-sm"
                onClick={(e) => toggleMute(video.id, e)}
                title={isMuted[video.id] !== false ? "取消静音" : "静音"}
              >
                {isMuted[video.id] !== false ? (
                  <VolumeX className="w-4 h-4 text-white" />
                ) : (
                  <Volume2 className="w-4 h-4 text-white" />
                )}
              </Button>
              <Button
                variant="ghost"
                size="icon"
                className="w-8 h-8 rounded-full bg-black/40 hover:bg-black/60 backdrop-blur-sm"
                onClick={() => onEdit?.(video.id)}
              >
                <Edit2 className="w-4 h-4 text-white" />
              </Button>
              <Button
                variant="ghost"
                size="icon"
                className="w-8 h-8 rounded-full bg-black/40 hover:bg-black/60 backdrop-blur-sm"
                onClick={() => onDelete?.(video.id)}
              >
                <Trash2 className="w-4 h-4 text-white" />
              </Button>
            </div>
          </div>

          {/* 视频信息 */}
          <div className="p-4">
            <h3 className="text-white text-lg font-medium mb-1">{video.title}</h3>
            {video.date && (
              <p className="text-white/60 text-sm">{video.date}</p>
            )}
          </div>
        </div>
      ))}
    </div>
  );
} 

// Export as a client-only component to prevent hydration issues
export const VideoGridLayout = dynamic(() => Promise.resolve(VideoGridLayoutComponent), {
  ssr: false
}); 