/*
    * DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
    * Copyright (C) 2009  Mickael Guessant
    *
    * This program is free software; you can redistribute it and/or
    * modify it under the terms of the GNU General Public License
    * as published by the Free Software Foundation; either version 2
    * of the License, or (at your option) any later version.
    *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   */
  package davmail.ui;
  
  import davmail.BundleMessage;
  import davmail.ui.tray.DavGatewayTray;
  
  import javax.swing.*;
  import javax.swing.border.EmptyBorder;
  import java.awt.*;
  
  /**
   * Get smartcard password
   */
  public class PasswordPromptDialog extends JDialog {
      final JPasswordField passwordField = new JPasswordField(20);
      protected char[] password;
  
      /**
       * Get user password.
       *
       * @return user password as char array
       */
      public char[] getPassword() {
          if (password != null) {
              return password.clone();
          } else {
              return "".toCharArray();
          }
      }
  
      /**
       * Get smartcard password.
       *
       * @param prompt password prompt from PKCS11 module
       */
      public PasswordPromptDialog(String prompt) {
          this(prompt, null);
      }
  
      /**
       * Get smartcard password.
       *
       * @param prompt       password prompt from PKCS11 module
       * @param captchaImage ISA filter pinsafe image
       */
      public PasswordPromptDialog(String prompt, Image captchaImage) {
          setAlwaysOnTop(true);
  
          setTitle(BundleMessage.format("UI_PASSWORD_PROMPT"));
          try {
              setIconImages(DavGatewayTray.getFrameIcons());
          } catch (NoSuchMethodError error) {
              DavGatewayTray.debug(new BundleMessage("LOG_UNABLE_TO_SET_ICON_IMAGE"));
          }
  
  
          JPanel questionPanel = new JPanel();
          questionPanel.setLayout(new BoxLayout(questionPanel, BoxLayout.Y_AXIS));
          JLabel imageLabel = new JLabel();
          imageLabel.setIcon(UIManager.getIcon("OptionPane.questionIcon"));
          imageLabel.setText(prompt);
          questionPanel.add(imageLabel);
  
          passwordField.setMaximumSize(passwordField.getPreferredSize());
          passwordField.addActionListener(e -> {
              password = passwordField.getPassword();
              setVisible(false);
          });
          JPanel passwordPanel = new JPanel();
          passwordPanel.setLayout(new BoxLayout(passwordPanel, BoxLayout.Y_AXIS));
          if (captchaImage != null) {
              JLabel captchaLabel = new JLabel(new ImageIcon(captchaImage));
              captchaLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
              captchaLabel.setBorder(new EmptyBorder(10, 10, 10, 10));
              passwordPanel.add(captchaLabel);
          }
          passwordPanel.add(passwordField);
  
          add(questionPanel, BorderLayout.NORTH);
          add(passwordPanel, BorderLayout.CENTER);
          add(getButtonPanel(), BorderLayout.SOUTH);
          setModal(true);
 
         pack();
         // center frame
         setLocation(getToolkit().getScreenSize().width / 2 -
                         getSize().width / 2,
                 getToolkit().getScreenSize().height / 2 -
                         getSize().height / 2);
         setAlwaysOnTop(true);
         setVisible(true);
     }
 
     protected JPanel getButtonPanel() {
         JPanel buttonPanel = new JPanel();
         JButton okButton = new JButton(BundleMessage.format("UI_BUTTON_OK"));
         JButton cancelButton = new JButton(BundleMessage.format("UI_BUTTON_CANCEL"));
         okButton.addActionListener(evt -> {
             password = passwordField.getPassword();
             setVisible(false);
         });
         cancelButton.addActionListener(evt -> {
             password = null;
             setVisible(false);
         });
 
         buttonPanel.add(okButton);
         buttonPanel.add(cancelButton);
         return buttonPanel;
     }
 
 }