import java.net.*;
import java.io.*;

public class DirectCupsConnection {
    public static void main(String[] args) throws Exception {
        System.out.println("Direct CUPS Socket Connection Test");
        
        // Connect to CUPS socket
        Socket socket = new Socket();
        try {
            // Try UNIX socket first
            socket.connect(new InetSocketAddress("localhost", 631));
            System.out.println("Connected to CUPS on port 631");
            
            // Send IPP request to get printers
            String ippRequest = "POST / HTTP/1.1\r\n" +
                               "Host: localhost:631\r\n" +
                               "Content-Type: application/ipp\r\n" +
                               "Connection: close\r\n\r\n";
            
            OutputStream out = socket.getOutputStream();
            out.write(ippRequest.getBytes());
            out.flush();
            
            // Read response
            BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            String line;
            System.out.println("\nCUPS Response:");
            int count = 0;
            while ((line = in.readLine()) != null && count++ < 20) {
                if (line.contains("printer") || line.contains("Printer") || 
                    line.contains("device") || line.contains("URI")) {
                    System.out.println(line);
                }
            }
            
        } catch (ConnectException e) {
            System.out.println("Could not connect to CUPS on port 631");
            System.out.println("Trying UNIX socket...");
            
            // Try UNIX domain socket
            try {
                // Java doesn't natively support UNIX sockets, so use a different approach
                ProcessBuilder pb = new ProcessBuilder("lpstat", "-v");
                Process p = pb.start();
                BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
                System.out.println("\nPrinters from lpstat:");
                String line;
                while ((line = reader.readLine()) != null) {
                    System.out.println(line);
                }
            } catch (IOException e2) {
                System.err.println("Error: " + e2.getMessage());
            }
        } finally {
            socket.close();
        }
    }
}