package app;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;


import javax.swing.DefaultListModel;
import javax.swing.JButton;

import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

import app.Client;
import data.Message;

public class MainFrame extends javax.swing.JFrame{

        public Client client;
        public int port;
        public String serverAddr, username, password;
        public Thread clientThread;


        //UI Variables
        DefaultListModel model;
        JPanel p;
        JButton signup,login,send,connect;
        JPasswordField passwordField;
        JTextField userNameField,messageField;
        JTextArea mainArea;
        JScrollPane scrollPaneText,scrollPaneOnline,scrollPaneChatrooms;
        JList list,list2;


        private void initialize(){
            p = new JPanel();
            signup = new JButton("Sign-Up");
            login = new JButton("Login");
            send = new JButton("send");
            connect = new JButton("connect");
            passwordField = new JPasswordField("password",10);
            userNameField = new JTextField("username",10);
            messageField = new JTextField("Input message here",37);
            mainArea = new JTextArea("",10,20);
            scrollPaneText = new JScrollPane(mainArea);
            scrollPaneText.setPreferredSize(new Dimension(315, 150));
            list = new JList();
            list.setModel((model = new DefaultListModel()));
            model.addElement("All");
            list2 = new JList();
            list2.setModel((model = new DefaultListModel()));
            mainArea.setEditable(false);
            scrollPaneOnline = new JScrollPane(list);
            scrollPaneOnline.setPreferredSize(new Dimension(75, 150));
            scrollPaneChatrooms = new JScrollPane(list2);
            scrollPaneChatrooms.setPreferredSize(new Dimension(75, 150));

            connect.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent evt) {
                    connectToServer(evt);
                }
            });

            signup.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent evt) {
                    signUp(evt);
                }
            });

            login.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent evt) {
                    logIn(evt);
                }
            });

            send.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent evt) {
                    sendMessage(evt);
                }
            });
        }

        private void logIn(ActionEvent evt){
            username = userNameField.getText();
            password = passwordField.getText();

            if(!username.isEmpty() && !password.isEmpty()){
                client.send(new Message("login", username, password, "SERVER"));
            }
        }

        private void sendMessage(ActionEvent evt){
             String msg = messageField.getText();
             String target = list.getSelectedValue().toString();

             if(!msg.isEmpty() && !target.isEmpty()){
                 messageField.setText("");
                 client.send(new Message("message", username, msg, target));
             }
        }
        private void signUp(ActionEvent evt){
             username = userNameField.getText();
             password = passwordField.getText();

             if(!username.isEmpty() && !password.isEmpty()){
                 client.send(new Message("signup", username, password, "SERVER"));
             }
        }
        private void connectToServer(ActionEvent evt){
             try{
                    client = new Client(this);
                    clientThread = new Thread(client);
                    clientThread.start();
                    client.send(new Message("test", "testUser", "testContent", "SERVER"));
                }
                catch(Exception ex){
                    mainArea.append("[Application > Me] : Server not found\n");
                }
        }


        public MainFrame() {
            super("Messenger App!");
            this.addWindowListener(new WindowListener() {
               @Override public void windowOpened(WindowEvent e) {}
               @Override public void windowClosing(WindowEvent e) { try{ client.send(new Message("message", username, "#remove", "SERVER")); clientThread.stop();  }catch(Exception ex){} }
               @Override public void windowClosed(WindowEvent e) {}
               @Override public void windowIconified(WindowEvent e) {}
               @Override public void windowDeiconified(WindowEvent e) {}
               @Override public void windowActivated(WindowEvent e) {}
               @Override public void windowDeactivated(WindowEvent e) {}
             });
            setSize(500,260);
            setResizable(false);
            initialize();

            p.add(userNameField);
            p.add(passwordField);
            p.add(connect);
            p.add(signup);
            p.add(login);
            p.add(scrollPaneOnline);
            p.add(scrollPaneChatrooms);
            p.add(scrollPaneText);
            p.add(messageField);
            p.add(send);
            add(p);
            setVisible(true);
        }

        public static void main(String[] args){
            new MainFrame();
        }

}