package phpdbg.ui;


import static java.awt.event.KeyEvent.VK_DOWN;
import static java.awt.event.KeyEvent.VK_ENTER;
import static java.awt.event.KeyEvent.VK_UP;
import java.io.IOException;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author krakjoe
 */
public class Main extends javax.swing.JDialog {
    /**
     * Creates user interface
     * @param parent
     * @param modal
     */
    public Main(java.awt.Frame parent, boolean modal) {
        super(parent, modal);
        initComponents();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        stdoutPopupMenu = new javax.swing.JPopupMenu();
        resetStdout = new javax.swing.JMenuItem();
        mainSplit = new javax.swing.JSplitPane();
        input = new javax.swing.JTextField();
        outputScrollPane = new javax.swing.JScrollPane();
        output = new phpdbg.ui.JTerminalPane();
        host = new javax.swing.JTextField();
        stdoutPort = new javax.swing.JTextField();
        stdinCheckBox = new javax.swing.JCheckBox();
        stdoutCheckBox = new javax.swing.JCheckBox();
        openButton = new javax.swing.JButton();
        stdinPort = new javax.swing.JTextField();
        hostLabel = new javax.swing.JLabel();

        resetStdout.setText("Clear");
        resetStdout.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                resetStdoutActionPerformed(evt);
            }
        });
        stdoutPopupMenu.add(resetStdout);

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("phpdbg jui");

        mainSplit.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
        mainSplit.setToolTipText("");

        input.setToolTipText("");
        input.setEnabled(false);
        input.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyReleased(java.awt.event.KeyEvent evt) {
                inputKeyReleased(evt);
            }
        });
        mainSplit.setLeftComponent(input);

        outputScrollPane.setViewportView(output);

        mainSplit.setRightComponent(outputScrollPane);

        host.setText("127.0.0.1");
        host.setToolTipText("Set the hostname, or IPv4 address of the machine running the phpdbg remote console server");

        stdoutPort.setText("8000");
        stdoutPort.setToolTipText("");

        stdinCheckBox.setSelected(true);
        stdinCheckBox.setText("stdin:");
        stdinCheckBox.setToolTipText("Set the port for stdin, or uncheck to disable stdin");

        stdoutCheckBox.setSelected(true);
        stdoutCheckBox.setText("stdout:");
        stdoutCheckBox.setToolTipText("Set the port for stdout, or unset to disable stdout");

        openButton.setActionCommand("open");
        openButton.setLabel("open");
        openButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                openButtonActionPerformed(evt);
            }
        });

        stdinPort.setText("4000");
        stdinPort.setToolTipText("");

        hostLabel.setText("Hostname:");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(mainSplit)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(hostLabel)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(host, javax.swing.GroupLayout.DEFAULT_SIZE, 359, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(stdinCheckBox)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(stdinPort, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(stdoutCheckBox)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(stdoutPort, javax.swing.GroupLayout.PREFERRED_SIZE, 60, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(openButton)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(mainSplit, javax.swing.GroupLayout.DEFAULT_SIZE, 428, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(host, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(openButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(stdoutPort, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(stdinCheckBox)
                        .addComponent(stdoutCheckBox)
                        .addComponent(stdinPort, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(hostLabel)))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void inputKeyReleased(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_inputKeyReleased
        switch (evt.getKeyCode()) {
            case VK_ENTER: {
                if (in != null) {
                    history.add(input.getText());
                    synchronized(in) {
                        in.notifyAll();
                    }
                }
            } break;
 
            case VK_UP: {
                String last = history.last();
                if (last.length() > 0) {
                    input.setText(last);
                }
            } break;
                
            case VK_DOWN: {
                String next = history.next();
                if (next.length() > 0) {
                    input.setText(next);
                }
            } break;
        }
    }//GEN-LAST:event_inputKeyReleased

    private void openButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openButtonActionPerformed
        try {
            if (!connected) {
                Integer ports[] = new Integer[2];
                String address = getHost();

                if (address != null) {
                    ports[0] = stdinCheckBox.isSelected() ? getStdinPort() : -1;
                    ports[1] = stdoutCheckBox.isSelected() ? getStdoutPort() : -1;

                    if (ports[0] != 0 && ports[1] != 0) {
                        if (stdinCheckBox.isSelected()) {
                            if (ports[0] > 0) {
                                in = new DBGThread(
                                        address, ports[0], this, true);
                                new Thread(in).start();
                            }
                        }

                        if (stdoutCheckBox.isSelected()) {
                            if (ports[1] > 0) {
                               out = new DBGThread(
                                       address, ports[1], this, false);
                                new Thread(out).start(); 
                            }
                        }
                    }
                }
            } else {
                if (in != null) {
                    in.quit();
                }
                if (out != null) {
                    out.quit();
                }
            }
        } catch (IOException ex) {
            messageBox(ex.getMessage());
        }
    }//GEN-LAST:event_openButtonActionPerformed

    private void resetStdoutActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_resetStdoutActionPerformed
        // TODO add your handling code here:
        output.setText(null);
    }//GEN-LAST:event_resetStdoutActionPerformed

    public Boolean isConnected() {
        return connected;
    }
    
    public void setConnected(Boolean isConnected) {
        synchronized(this) {
            if (isConnected) {
                connected = true;
                openButton.setText("Disconnect");
                host.setEnabled(false);
                stdinPort.setEnabled(false);
                stdinCheckBox.setEnabled(false);
                if (stdinCheckBox.isSelected()) {
                    input.setEnabled(true);
                } else input.setEnabled(false);
                stdoutPort.setEnabled(false);
                stdoutCheckBox.setEnabled(false);
            } else {
                connected = false;
                openButton.setText("Connect");
                host.setEnabled(true);
                stdinPort.setEnabled(true);
                input.setEnabled(false);
                stdinCheckBox.setEnabled(true);
                stdoutPort.setEnabled(true);
                stdoutCheckBox.setEnabled(true);
            }
        }
    }
    
    public JTextField getInputField() { return input; }
    public JTerminalPane getOutputField() { return output; }
    
    public String getHost() { 
        String address = host.getText();
        if (address != null && address.length() > 0) {
            return address;
        } else {
            messageBox("Invalid hostname provided !");
        }
        
        return null;
    }
    
    public Integer getStdinPort() { 
        try {
            return Integer.parseInt(stdinPort.getText()); 
        } catch (NumberFormatException ex) {
            messageBox("Invalid stdin port provided !");
        }
        
        return 0;
    }
    
    public Integer getStdoutPort() { 
        try {
            return Integer.parseInt(stdoutPort.getText()); 
        } catch (NumberFormatException ex) {
            messageBox("Invalid stdout port provided !");
        }
        
        return 0;
    }
    
    public synchronized void messageBox(String message) {
        JOptionPane.showMessageDialog(this, message);
    }
    /**
     * @param args the command line arguments
     */
    public static void main(final String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>
        
        /* Create and display the dialog */
        java.awt.EventQueue.invokeLater(new Runnable() {
            @Override public void run() {
                dialog = new Main(new javax.swing.JFrame(), true);
                dialog.addWindowListener(new java.awt.event.WindowAdapter() {
                    @Override
                    public void windowClosing(java.awt.event.WindowEvent e) {
                        if (in != null)
                            in.quit();
                        
                        if (out != null)
                            out.quit();
                        
                        System.exit(0);
                    }
                });
                dialog.setVisible(true);
            }
        });
    }
    
    private static DBGThread in;
    private static DBGThread out;
    private static Main dialog;
    private static Boolean connected = false;
    private static History history = new History();
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextField host;
    private javax.swing.JLabel hostLabel;
    private javax.swing.JTextField input;
    private javax.swing.JSplitPane mainSplit;
    private javax.swing.JButton openButton;
    private phpdbg.ui.JTerminalPane output;
    private javax.swing.JScrollPane outputScrollPane;
    private javax.swing.JMenuItem resetStdout;
    private javax.swing.JCheckBox stdinCheckBox;
    private javax.swing.JTextField stdinPort;
    private javax.swing.JCheckBox stdoutCheckBox;
    private javax.swing.JPopupMenu stdoutPopupMenu;
    private javax.swing.JTextField stdoutPort;
    // End of variables declaration//GEN-END:variables
}