import { NextApiRequest, NextApiResponse } from "next";
import formidable from "formidable"; // Ensure you have installed @types/formidable
import fs from "fs";
import path from "path";

// Disable Next.js's default body parsing
export const config = {
  api: {
    bodyParser: false,
  },
};

const uploadDir = path.join(process.cwd(), "uploads"); // Define the upload directory

// Ensure the upload directory exists
if (!fs.existsSync(uploadDir)) {
  fs.mkdirSync(uploadDir, { recursive: true });
}

export default async function handler(req: NextApiRequest, res: NextApiResponse) {
  const form = new formidable.IncomingForm();
  form.uploadDir = uploadDir; // Set the upload directory
  form.keepExtensions = true; // Keep file extensions

  form.parse(req, (err, fields, files) => {
    if (err) {
      console.error("Error parsing the file:", err); // Log the error
      return res.status(500).json({ error: "Error parsing the file." });
    }

    const file = files.cv; // Access the uploaded file
    if (!file) {
      return res.status(400).json({ error: "No file uploaded." });
    }

    const newFilePath = path.join(uploadDir, file.originalFilename || file.newFilename);

    // Move the file to the desired location
    fs.rename(file.filepath, newFilePath, (err) => {
      if (err) {
        console.error("Error saving the file:", err); // Log the error
        return res.status(500).json({ error: "Error saving the file." });
      }
      res.status(200).json({ message: "File uploaded successfully!" });
    });
  });
}