package controlador;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.util.List;
import java.util.StringTokenizer;

import javax.swing.ButtonGroup;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JRadioButton;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

/**
 *
 * @author Jesus Dario Rodriguez <http://jdr80.epizy.com/>
 */
public class ClientView extends JFrame {


    private static final long serialVersionUID = 1L;
    private JFrame frame;
    private JTextField clientTypingBoard;
    private JList clientActiveUsersList;
    private JTextArea clientMessageBoard;
    private JButton clientKillProcessBtn;
    private JRadioButton oneToNRadioBtn;
    private JRadioButton broadcastBtn;

    DataInputStream inputStream;
    DataOutputStream outStream;
    DefaultListModel<String> dm;
    String id, clientIds = "";


    /**
     * Crea la aplicacion
     */
    public ClientView() {
        initialize();
    }

    public ClientView(String id, Socket s) { // constructor
        initialize(); // inicializa  los componentes de la  UI
        this.id = id;
        try {
            frame.setTitle("Conectado como: - " + id); // titulo del frame
            dm = new DefaultListModel<String>();
            clientActiveUsersList.setModel(dm);
            inputStream = new DataInputStream(s.getInputStream());
            outStream = new DataOutputStream(s.getOutputStream());
            new Read().start();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    class Read extends Thread {

        @Override
        public void run() {
            while (true) {
                try {
                    String m = inputStream.readUTF();
                    System.out.println("inside read thread : " + m);
                    if (m.contains(":;.,/=")) {
                        m = m.substring(6);
                        dm.clear();
                        StringTokenizer st = new StringTokenizer(m, ",");
                        while (st.hasMoreTokens()) {
                            String u = st.nextToken();
                            if (!id.equals(u))
                            {
                                dm.addElement(u);
                            }
                        }
                    } else {
                        clientMessageBoard.append("" + m + "\n");
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    break;
                }
            }
        }
    }


    private void initialize() {
        frame = new JFrame();
        frame.setBounds(100, 100, 926, 705);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().setLayout(null);
        frame.setTitle("Vista de cliente");

        clientMessageBoard = new JTextArea();
        clientMessageBoard.setEditable(false);
        clientMessageBoard.setBounds(12, 25, 530, 495);
        frame.getContentPane().add(clientMessageBoard);

        clientTypingBoard = new JTextField();
        clientTypingBoard.setHorizontalAlignment(SwingConstants.LEFT);
        clientTypingBoard.setBounds(12, 533, 530, 84);
        frame.getContentPane().add(clientTypingBoard);
        clientTypingBoard.setColumns(10);

        JButton clientSendMsgBtn = new JButton("Enviar");
        clientSendMsgBtn.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String textAreaMessage = clientTypingBoard.getText();
                if (textAreaMessage != null && !textAreaMessage.isEmpty()) {
                    try {
                        String messageToBeSentToServer = "";
                        String cast = "broadcast";
                        int flag = 0;
                        if (oneToNRadioBtn.isSelected()) {
                            cast = "multicast";
                            List<String> clientList = clientActiveUsersList.getSelectedValuesList();
                            if (clientList.size() == 0)
                            {
                                flag = 1;
                            }
                            for (String selectedUsr : clientList) {
                                if (clientIds.isEmpty()) {
                                    clientIds += selectedUsr;
                                } else {
                                    clientIds += "," + selectedUsr;
                                }
                            }
                            messageToBeSentToServer = cast + ":" + clientIds + ":" + textAreaMessage;
                        } else {
                            messageToBeSentToServer = cast + ":" + textAreaMessage;
                        }
                        if (cast.equalsIgnoreCase("multicast")) {
                            if (flag == 1) {
                                JOptionPane.showMessageDialog(frame, "No se selecciono destino");
                            } else {
                                outStream.writeUTF(messageToBeSentToServer);
                                clientTypingBoard.setText("");
                                clientMessageBoard.append("< Envias a: " + clientIds + ">" + textAreaMessage + "\n");
                            }
                        } else {
                            outStream.writeUTF(messageToBeSentToServer);
                            clientTypingBoard.setText("");
                            clientMessageBoard.append("< Envias a todos >" + textAreaMessage + "\n");
                        }
                        clientIds = "";
                    } catch (Exception ex) {
                        JOptionPane.showMessageDialog(frame, "El usuario abandono la sala.");
                    }
                }
            }
        });
        clientSendMsgBtn.setBounds(554, 533, 137, 84);
        frame.getContentPane().add(clientSendMsgBtn);

        clientActiveUsersList = new JList();
        clientActiveUsersList.setToolTipText("Usuarios Activos");
        clientActiveUsersList.setBounds(554, 63, 327, 457);
        frame.getContentPane().add(clientActiveUsersList);

        clientKillProcessBtn = new JButton("Cerrar chat");
        clientKillProcessBtn.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                try {
                    outStream.writeUTF("Salir");
                    // board
                    clientMessageBoard.append("Usted esta desconectado.\n");
                    frame.dispose();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
        });
        clientKillProcessBtn.setBounds(703, 533, 193, 84);
        frame.getContentPane().add(clientKillProcessBtn);

        JLabel lblNewLabel = new JLabel("Usuarios Activos");
        lblNewLabel.setHorizontalAlignment(SwingConstants.LEFT);
        lblNewLabel.setBounds(559, 43, 95, 16);
        frame.getContentPane().add(lblNewLabel);

        oneToNRadioBtn = new JRadioButton("Multiples Usuarios");
        oneToNRadioBtn.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                clientActiveUsersList.setEnabled(true);
            }
        });
        oneToNRadioBtn.setSelected(true);
        oneToNRadioBtn.setBounds(682, 24, 72, 25);
        frame.getContentPane().add(oneToNRadioBtn);

        broadcastBtn = new JRadioButton("Msj a todos");
        broadcastBtn.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                clientActiveUsersList.setEnabled(false);
            }
        });
        broadcastBtn.setBounds(774, 24, 107, 25);
        frame.getContentPane().add(broadcastBtn);

        ButtonGroup btngrp = new ButtonGroup();
        btngrp.add(oneToNRadioBtn);
        btngrp.add(broadcastBtn);

        frame.setVisible(true);
    }
}