import React, { useState } from 'react';
import { Card, CardContent } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Badge } from '@/components/ui/badge';
import { Trash2, Edit, X } from 'lucide-react';

// 获取图片URL的函数
const getImageUrl = (item) => {
  if (!item.stored_path) return '';
  
  // 从完整路径中提取文件名
  const filename = item.stored_path.split(/[\\/]/).pop();
  if (!filename) return '';
  
  // 构建完整的图片URL
  const baseURL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:8000';
  return `${baseURL}/materials/${filename}`;
};

// 获取素材类型标签配置
const getMaterialTypeConfig = (imageType) => {
  switch (imageType) {
    case 'face':
      return {
        label: 'IP',
        className: 'bg-red-500 text-white border-red-500'
      };
    case 'cloth':
      return {
        label: '服装',
        className: 'bg-blue-500 text-white border-blue-500'
      };
    case 'original':
      return {
        label: '原图',
        className: 'bg-purple-500 text-white border-purple-500'
      };
    default:
      return null;
  }
};

export default function MaterialCard({ material, onDelete, onUpdateName }) {
  const [isEditing, setIsEditing] = useState(false);
  const [editName, setEditName] = useState(material.name || material.original_filename || '');

  const handleSaveName = async () => {
    if (editName.trim() !== material.name) {
      await onUpdateName(material.id, editName.trim());
    }
    setIsEditing(false);
  };

  const handleCancelEdit = () => {
    setEditName(material.name || material.original_filename || '');
    setIsEditing(false);
  };

  const typeConfig = getMaterialTypeConfig(material.image_type);

  return (
    <Card className="overflow-hidden">
      <div className="aspect-square bg-gray-100 relative group">
        <img
          src={getImageUrl(material)}
          alt={material.name || material.original_filename}
          className="w-full h-full object-cover"
          onError={(e) => {
            console.error('图片加载失败:', getImageUrl(material));
            e.target.src = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAwIiBoZWlnaHQ9IjIwMCIgdmlld0JveD0iMCAwIDIwMCAyMDAiIGZpbGw9Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CjxyZWN0IHdpZHRoPSIyMDAiIGhlaWdodD0iMjAwIiBmaWxsPSIjRjNGNEY2Ii8+CjxwYXRoIGQ9Ik01MCAxMDBMMTAwIDUwTDE1MCAxMDBMMTAwIDE1MFYxMDBIMFYxMDBaIiBmaWxsPSIjOUI5QkEwIi8+Cjwvc3ZnPgo=';
          }}
        />
        
        {/* 删除按钮 */}
        <div className="absolute inset-0 bg-black/50 opacity-0 group-hover:opacity-100 transition-opacity flex items-center justify-center">
          <Button
            variant="destructive"
            size="sm"
            onClick={(e) => {
              e.stopPropagation();
              onDelete(material.id);
            }}
          >
            <Trash2 className="w-4 h-4" />
          </Button>
        </div>

        {/* 素材类型标签 */}
        {typeConfig && (
          <div className="absolute top-2 right-2">
            <Badge 
              className={`text-xs font-medium px-2 py-1 ${typeConfig.className}`}
            >
              {typeConfig.label}
            </Badge>
          </div>
        )}
      </div>

      <CardContent className="p-3">
        {isEditing ? (
          <div className="flex gap-2">
            <Input
              value={editName}
              onChange={(e) => setEditName(e.target.value)}
              className="flex-1"
              autoFocus
              onKeyDown={(e) => {
                if (e.key === 'Enter') handleSaveName();
                if (e.key === 'Escape') handleCancelEdit();
              }}
            />
            <Button size="sm" onClick={handleSaveName}>
              保存
            </Button>
            <Button size="sm" variant="outline" onClick={handleCancelEdit}>
              <X className="w-4 h-4" />
            </Button>
          </div>
        ) : (
          <div className="flex items-center justify-between">
            <span className="text-sm font-medium truncate flex-1">
              {material.name || material.original_filename}
            </span>
            <Button
              size="sm"
              variant="ghost"
              onClick={() => setIsEditing(true)}
              className="ml-2"
            >
              <Edit className="w-4 h-4" />
            </Button>
          </div>
        )}
      </CardContent>
    </Card>
  );
}