ssr print

import { NextResponse } from 'next/server';
import net from 'net';

export async function POST(request: Request) {
  try {
    const { labelData } = await request.json();

    if (!labelData) {
      return NextResponse.json(
        { error: 'Missing label data in request body' },
        { status: 400 },
      );
    }

    // Get printer configuration from environment variables
    const printerIp = process.env.PRINTER_IP || '172.16.6.13';
    const printerPort = parseInt(process.env.PRINTER_PORT || '9100', 10);

    return await new Promise<NextResponse>((resolve) => {
      const client = new net.Socket();

      // Set connection timeout (5 seconds)
      client.setTimeout(5000);

      client.connect(printerPort, printerIp, () => {
        client.write(labelData, (error) => {
          if (error) {
            resolve(
              NextResponse.json(
                { error: `Failed to write to printer: ${error.message}` },
                { status: 500 },
              ),
            );
          }
          client.end();
        });
      });

      client.on('close', () => {
        resolve(NextResponse.json({ success: true }));
      });

      client.on('error', (err) => {
        resolve(
          NextResponse.json(
            { error: `Printer connection error: ${err.message}` },
            { status: 500 },
          ),
        );
      });

      client.on('timeout', () => {
        client.destroy();
        resolve(
          NextResponse.json(
            { error: 'Printer connection timeout' },
            { status: 500 },
          ),
        );
      });
    });
  } catch (error: any) {
    return NextResponse.json(
      { error: `Internal server error: ${error.message}` },
      { status: 500 },
    );
  }
}

// Optionally add other HTTP methods with proper responses
export async function GET() {
  return NextResponse.json(
    { error: 'Method not allowed. Use POST to send label data.' },
    { status: 405 },
  );
}

export async function PUT() {
  return NextResponse.json(
    { error: 'Method not allowed. Use POST to send label data.' },
    { status: 405 },
  );
}