import javafx.scene.Scene;

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

public class Client {
    public static void main(String[] args) {
        String ipAddress = "112.137.129.214";
        int port = 35116;
        Socket socket = null;
        BufferedWriter os = null;
        BufferedReader is = null;
        DataInputStream dataInputStream = null;
        DataOutputStream dataOutputStream = null;
        FileOutputStream fileOutputStream = null;


        try {
            socket = new Socket(ipAddress, port);
            os = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
            is = new BufferedReader(new InputStreamReader(socket.getInputStream()));
             dataInputStream = new DataInputStream(socket.getInputStream());
             dataOutputStream = new DataOutputStream(socket.getOutputStream());
        } catch (UnknownHostException e) {
            System.out.println("Server not found: " + e.getMessage());
        } catch (IOException e) {
            System.out.println("I/O error: " + e.getMessage());
        }

        try {
            os.write("#Login akdjflsadfkasdfj");
            os.newLine();
            os.flush();
            is.mark(250);
//            os.write("#msg abcxyz 'hey theson'");
//            os.newLine();
//            os.flush();
            os.write("#download large.pdf");
            os.newLine();
            os.flush();
            fileOutputStream = new FileOutputStream(new File("F:\\large.pdf"));
            int bytes = 0;
            long size = dataInputStream.readLong();     // read file size
            byte[] buffer = new byte[4*1024];
            while (size > 0 && (bytes = dataInputStream.read(buffer, 0, (int)Math.min(buffer.length, size))) != -1) {
                fileOutputStream.write(buffer,0,bytes);
                size -= bytes;      // read upto file size
            }
            fileOutputStream.close();



            os.close();
            is.close();
            socket.close();
        } catch (UnknownHostException e) {
            System.out.println("Trying to connect to unknown host: " + e.getMessage());
        } catch (IOException e) {
            System.out.println("IOException: " + e.getMessage());
        }

    }
}