package client;

import java.net.Socket;

import java.nio.charset.StandardCharsets;

//import javafx.scene.paint.Color;

//import javafx.scene.control.TextArea;

//import javafx.scene.paint.Color;

import java.awt.*;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.io.PrintWriter;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

public class ChatWindow {

private String alias;

private Frame frame;

private Button button;

private Panel panel;

private TextField field;

private TextArea area;

private Socket sock;

public ChatWindow(String alias, Socket sock){

this.alias = alias;

this.sock = sock;

frame = new Frame(alias);

panel = new Panel();

button = new Button("Send");

field = new TextField();

area = new TextArea(40,80);

new ClientReceiveThread(sock).start();

}

public void show(){

// setting up chat window with button, panel, textarea, and textfield inside frame instance

button.setBackground(Color.GRAY);

button.setForeground(Color.WHITE);

button.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

sendmessage();

}

});

field.setColumns(80);

field.addKeyListener(new KeyAdapter(){

@Override

public void keyReleased(KeyEvent e ){

char code = e.getKeyChar();

if (code == KeyEvent.VK_ENTER){

sendmessage();

}

}

});

panel.setBackground(Color.LIGHT_GRAY);

panel.add(field);

panel.add(button);

frame.add(BorderLayout.SOUTH, panel);

area.setEditable(false);

frame.add(BorderLayout.CENTER,area);

frame.addWindowListener(new WindowAdapter(){

@Override

public void windowClosing(WindowEvent e) {

PrintWriter writer;

try{

writer = new PrintWriter(new OutputStreamWriter(sock.getOutputStream(),StandardCharsets.UTF_8),true);

String request = "quit\r\n";

writer.println(request);

System.exit(0);

}

catch(Exception ee){

ee.printStackTrace();

}

}

});

frame.setVisible(true);

frame.pack();

}

public void sendmessage(){

PrintWriter writer;

try{

// sending message to server

// Printwriter object for socket output stream takes in string var from textfield

// formats a message request with textfield payload with message keyphrase

// afterwards reset textfield to empty and focused

writer = new PrintWriter(new OutputStreamWriter(sock.getOutputStream(), StandardCharsets.UTF_8), true);

String message = field.getText();

String request = "message: " + message + "\r\n";

writer.println(request);

field.setText("");

field.requestFocus();

}

catch(Exception e){

e.printStackTrace();

}

}

private class ClientReceiveThread extends Thread{

Socket sock = null;

public ClientReceiveThread(Socket sock){

this.sock = sock;

}

public void run(){

try {

// threadsafe reader that takes sockets input stream

BufferedReader buffreader = new BufferedReader(new InputStreamReader(sock.getInputStream(),StandardCharsets.UTF_8));

while(true){

String msg = buffreader.readLine();

chatlog.out(msg);

area.append(msg);

area.append("\n");

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

}