import { exec } from 'child_process';
import fs from 'fs';
import path from 'path';

export default function handler(req, res) {
  if (req.method === 'POST') {
    // Get the input data from the request body
    const data = req.body;

    // Prepare arguments to pass to the Python script if needed
    const scriptArgs = data.args || [];
    console.log(scriptArgs)
    const Arguments = "\"" + scriptArgs.join('" "') + "\"";

    // Run the Python script and pass the arguments
    exec(`python3 uziom.py ${Arguments}`, (error, stdout, stderr) => {
      if (error) {
        // Handle execution errors
        console.error(`exec error: ${error}`);
        return res.status(500).json({ message: 'Internal server error' });
      }

      // The output file needs to have been created by the Python script
      const filePath = path.resolve('./public/uziom.dxf');
      const fileName = 'uziom.dxf';

      // Set headers for file download
      res.setHeader('Content-Disposition', `attachment; filename=${fileName}`);
      res.setHeader('Content-Type', 'application/dxf');

      // Read and send the file data
      const fileStream = fs.createReadStream(filePath);
      fileStream.pipe(res);
    });
  } else {
    // Handle any other HTTP methods if necessary
    res.status(405).json({ message: 'Method not allowed' });
  }
}