import React, { useEffect, useState } from 'react';
import { Button, message } from 'antd';
import { CopyOutlined } from '@ant-design/icons';
import { env } from '../../../env'
import { useQueryClient } from '@tanstack/react-query';
import { getQueryKey } from '@trpc/react-query';
import { api } from '@nice/client';
interface ShareCodeGeneratorProps {
  fileId: string;
  onSuccess?: (code: string) => void;
  fileName?: string;
}
interface ShareCodeResponse {
  code?: string;
  expiresAt?: Date;
} 
export const ShareCodeGenerator: React.FC<ShareCodeGeneratorProps> = ({
  fileId,
  onSuccess,
  fileName,
}) => {
  const [loading, setLoading] = useState(false);
  const [shareCode, setShareCode] = useState<string>('');
  const [expiresAt, setExpiresAt] = useState<Date | null>(null);
  const queryClient = useQueryClient();
  const queryKey = getQueryKey(api.term);
  const [isGenerate, setIsGenerate] = useState(false);
  const [currentFileId, setCurrentFileId] = useState<string>('');
  const generateShareCode = api.shareCode.generateShareCodeByFileId.useMutation({
    onSuccess: (data) => {
      queryClient.invalidateQueries({ queryKey });
    },
  });
  useEffect(() => {
    if (fileId !== currentFileId || !fileId) {
      setIsGenerate(false);
    }
    setCurrentFileId(fileId);
  }, [fileId])
  const generateCode = async () => {
    setLoading(true);
    console.log('开始生成分享码，fileId:', fileId, 'fileName:', fileName);
    try {
      const data: ShareCodeResponse = await generateShareCode.mutateAsync({ fileId });
      console.log('生成分享码结果:', data);
      setShareCode(data.code);
      setIsGenerate(true);
      setExpiresAt(data.expiresAt ? new Date(data.expiresAt) : null);
      onSuccess?.(data.code);
      message.success('分享码生成成功');
    } catch (error) {
      console.error('生成分享码错误:', error);
      message.error('生成分享码失败: ' + (error instanceof Error ? error.message : '未知错误'));
    } finally {
      setLoading(false);
    }
  };

  return (
    <div style={{ padding: '20px', backgroundColor: '#f8f9fa', borderRadius: '8px' }}>
      <div style={{ marginBottom: '10px' }}>
        {/* 添加调试信息 */}
        <small style={{ color: '#666' }}>文件ID: {fileId ? fileId : '未选择文件'}</small>
      </div>

      {!isGenerate ? (
        <Button
          type="primary"
          onClick={generateCode}
          loading={loading}
          block
        >
          生成分享码
        </Button>
      ) : (
        <div style={{ textAlign: 'center' }}>
          <div style={{
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'center',
            gap: '12px',
            margin: '16px 0'
          }}>
            <span style={{
              fontSize: '24px',
              fontWeight: 'bold',
              letterSpacing: '2px',
              color: '#1890ff',
              padding: '8px 16px',
              backgroundColor: '#e6f7ff',
              borderRadius: '4px'
            }}>
              {shareCode}
            </span>
            <Button
              icon={<CopyOutlined />}
              onClick={() => {
                navigator.clipboard.writeText(shareCode);
                message.success('分享码已复制');
              }}
            />
          </div>
          {expiresAt ? (
            <div style={{ color: '#666' }}>
              有效期至: {expiresAt.toLocaleString()}
            </div>
          ) : (
            <div style={{ color: 'red' }}>
              未获取到有效期信息
            </div>
          )}
        </div>
      )}
    </div>
  );
};