src/main/java/de/unixwork/im/ConversationFrame.java

package de.unixwork.im;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

public class ConversationFrame extends JFrame implements MessageSendListener {

    private String xid;
    private JTextArea messageHistory;
    private JTextArea messageInput;
    private JButton sendButton;
    private JButton secureButton;
    private MessageSendListener messageSendListener;
    
    boolean isSecure = false;
    
    public ConversationFrame(String xid) {
        this.xid = xid;

        setTitle(xid);
        setSize(500, 400);
        //setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        setLayout(new BorderLayout(5, 5));

        // Top panel with top-right button
        JPanel topPanel = new JPanel(new BorderLayout());
        secureButton = new JButton("Insecure");
        topPanel.add(secureButton, BorderLayout.EAST);
        add(topPanel, BorderLayout.NORTH);

        // Split pane
        JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
        splitPane.setResizeWeight(0.8);

        // Message history area (top part)
        messageHistory = new JTextArea();
        messageHistory.setEditable(false);
        JScrollPane messageHistoryScrollPane = new JScrollPane(messageHistory);
        splitPane.setTopComponent(messageHistoryScrollPane);

        // Message input area (bottom part)
        JPanel inputPanel = new JPanel(new BorderLayout(5, 5));
        messageInput = new JTextArea(3, 20);
        JScrollPane messageInputScrollPane = new JScrollPane(messageInput);
        sendButton = new JButton("Send");
        inputPanel.add(messageInputScrollPane, BorderLayout.CENTER);
        inputPanel.add(sendButton, BorderLayout.EAST);
        splitPane.setBottomComponent(inputPanel);

        add(splitPane, BorderLayout.CENTER);

        // Configure input behavior
        messageInput.addKeyListener(new KeyAdapter() {
            @Override
            public void keyPressed(KeyEvent e) {
                if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                    if (e.isControlDown()) {
                        messageInput.append("\n");
                    } else {
                        e.consume();
                        triggerMessageSend();
                    }
                }
            }
        });

        // Button actions
        sendButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                triggerMessageSend();
            }
        });

        secureButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                if(isSecure) {
                    
                } else {
                    App.getInstance().getXmpp().startOTR(xid);
                }
            }
        });
        
        // message handler
        setMessageSendListener(this);
        
        // init presence
        PresenceInfo ps = App.getInstance().getPresenceForXID(xid);
        if(ps != null) {
            updatePresence(ps);
        }
    }
    
    public void addToLog(String message, boolean incoming, boolean secure) {
        String prefix = incoming ? "< " : "> ";
        // Get the current date and time
        LocalDateTime now = LocalDateTime.now();
        
        // Define the desired format
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        
        // Format the current date and time
        String formattedDateTime = now.format(formatter);
        appendToMessageHistory(prefix + formattedDateTime + ": " + message);
    }
    
    @Override
    public void onMessageSend(String message) {
        addToLog(message, false, false);
        App.getInstance().getXmpp().sendMessage(xid, message, false);
    }

    // Method to append text to the message history
    public void appendToMessageHistory(String text) {
        messageHistory.append(text + "\n");
    }

    // Method to set the message send listener
    public void setMessageSendListener(MessageSendListener listener) {
        this.messageSendListener = listener;
    }

    // Trigger the message send callback
    private void triggerMessageSend() {
        if (messageSendListener != null) {
            String message = messageInput.getText().trim();
            if (!message.isEmpty()) {
                messageSendListener.onMessageSend(message);
                messageInput.setText("");
            }
        }
    }

    void updatePresence(PresenceInfo ps) {
        setTitle(ps.getOnlineStatus() + xid);
    }

}