"use client";

import { useKindeBrowserClient } from "@kinde-oss/kinde-auth-nextjs";
import { useState } from "react";
import { useQueryClient } from "@tanstack/react-query";

interface FileData {
  id: string;
  filename: string;
  mimetype: string;
  size: number;
  createdAt: string;
  updatedAt: string;
}

export const UploadForm = ({ onFileUploaded }: { onFileUploaded?: (file: FileData) => void }) => {
  const [isUploading, setIsUploading] = useState(false);
  const queryClient = useQueryClient();
  const { user } = useKindeBrowserClient();

  const handleFileUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
    if (e.target.files && e.target.files[0]) {
      setIsUploading(true);
      const file = e.target.files[0];

      try {
        // Import the server action
        const { uploadFile } = await import('../actions/file-upload');

        const userId = user?.id ? user.id : "unknown-user-id";
        const uploadedFile = await uploadFile(file, userId);

        // Invalidate the files query to trigger a refresh
        await queryClient.invalidateQueries({ queryKey: ["files"] });

        // Call the callback if provided
        if (onFileUploaded) {
          onFileUploaded(uploadedFile);
        }

        // Reset the file input
        e.target.value = '';
      } catch (error) {
        console.error("Upload error:", error);
        alert("Failed to upload file");
      } finally {
        setIsUploading(false);
      }
    }
  };

  return (
    <div>
      <input
        type="file"
        name="file"
        onChange={handleFileUpload}
        disabled={isUploading}
        className="block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-full file:border-0 file:text-sm file:font-semibold file:bg-blue-50 file:text-blue-700 hover:file:bg-blue-100"
      />
      {isUploading && (
        <div className="mt-2 text-sm text-gray-600">Uploading...</div>
      )}
    </div>
  );
};