/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package ChatProgramm.model;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.Flow;
import java.util.concurrent.Flow.Subscriber;
import java.util.concurrent.SubmissionPublisher;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author ahren
 */
public abstract class Transmitter implements Runnable, Subscriber<String> {

    static final int timeout = 60000;
    private static final int PORT = 35000;

    private static Logger lg = Logger.getLogger("netz");

    protected Socket socket;
    protected BufferedReader reader;
    protected PrintWriter writer;
    
    private Nachricht nachricht;
    private boolean laufend;
    private Thread receive;
    private SubmissionPublisher<Nachricht> textPublisher;
    
    public Transmitter()
    {
    nachricht = new Nachricht("");
    laufend = false;
    receive = null;
    textPublisher = new SubmissionPublisher<>();
    }
    
     public void addWertSubscription(Subscriber<Nachricht> subscriber)
    {
      textPublisher.subscribe(subscriber);
    }

    public abstract void connect() throws IOException;

    public void initIO() {
        try {
            lg.info("Initialisiere reader und writer");
            InputStream is = socket.getInputStream();
            OutputStream os = socket.getOutputStream();

            InputStreamReader isr = new InputStreamReader(is, "UTF-8");
            OutputStreamWriter osr = new OutputStreamWriter(os, "UTF-8");

            reader = new BufferedReader(isr);
            writer = new PrintWriter(osr);
            lg.info("Server: Initialisierung abgeschlossen");
            startempfangen();
            lg.info("Server: warte auf Nachricht");

        } catch (UnsupportedEncodingException ex) {
            Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    public void send(String string){
      
        writer.println(string);
        writer.flush();
        lg.info("Nachricht gesendet");
        textPublisher.submit(new Nachricht(string));
//
//        String nachricht = in.readLine(); // ACHTUNG blockiert
//        lg.info("Client: Serverbestätigung erhalten");
//
//        lg.info("Client: fertig");
//        in.close();
//        out.close();
//        s.close();


//    in.close();
//    out.close();
//    s.close();
    }
    
    @Override
    public void run() {
      while(laufend){
        try
        {
          String receivedString = reader.readLine(); // ACHTUNG blockiert
          textPublisher.submit(new Nachricht(receivedString));
        }
        catch (IOException ex)
        {
          Logger.getLogger(Transmitter.class.getName()).log(Level.SEVERE, null, ex);
        }
        lg.info("Client: Serverbestätigung erhalten");
      }
    }

    @Override
    public void onSubscribe(Flow.Subscription subscription) {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

    @Override
    public void onNext(String item) {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

    @Override
    public void onError(Throwable throwable) {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

    @Override
    public void onComplete() {
        throw new UnsupportedOperationException("Not supported yet."); // Generated from nbfs://nbhost/SystemFileSystem/Templates/Classes/Code/GeneratedMethodBody
    }

  private void startempfangen()
  {
    laufend = true;
    if (receive == null)
    {
      receive = new Thread(this);
      receive.start();
    }
    
  }

}