/**
    * JHylaFax - A java client for HylaFAX.
    *
    * Copyright (C) 2005 by Steffen Pingel <steffenp@gmx.de>
    *
    * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  package net.sf.jhylafax;
  
  import static net.sf.jhylafax.JHylaFAX.i18n;
  import java.awt.event.ActionEvent;
  import javax.swing.Action;
  import javax.swing.Icon;
  import javax.swing.JComponent;
  import javax.swing.JFrame;
  import javax.swing.JLabel;
  import javax.swing.JPasswordField;
  import javax.swing.JSpinner;
  import javax.swing.JTextField;
  import javax.swing.SpinnerNumberModel;
  import org.xnap.commons.gui.Builder;
  import org.xnap.commons.gui.action.AbstractXNapAction;
  import org.xnap.commons.gui.util.GUIHelper;
  import org.xnap.commons.gui.util.IconHelper;
  import org.xnap.commons.gui.wizard.WizardDialog;
  import org.xnap.commons.gui.wizard.WizardPage;
  import org.xnap.commons.util.PortRange;
  import org.xnap.commons.util.SystemHelper;
  import com.jgoodies.forms.builder.DefaultFormBuilder;
  import com.jgoodies.forms.layout.FormLayout;
  
  /**
   * A dialog for editing of global settings.
   * 
   * @author Steffen Pingel
   */
  public class SettingsWizard extends WizardDialog implements LocaleChangeListener {
  
  	private static final int WIDTH = 500;
  	
  	private GeneralPage generalPage;
  	private NotifyPage notifyPage;
  	private ProgramsPage programsPage;
  	private IntroductionPage introPage;
  	
  	public SettingsWizard(JFrame owner) {
  		super(owner);
  		
  		introPage = new IntroductionPage();
  		addPage(introPage, "intro");
  		
  		generalPage = new GeneralPage();
  		addPage(generalPage, "general");
  		
  		notifyPage = new NotifyPage();
  		addPage(notifyPage, "notify");
  		
  		programsPage = new ProgramsPage();
  		addPage(programsPage, "programs");
  		
  		updateLabels();
  		revert();
  		
  		pack();
  	}
  
  	private DefaultFormBuilder createForm() {
  		FormLayout layout = new FormLayout("left:max(20dlu;pref), 3dlu, pref, pref:grow(0.5), pref:grow(0.5)", "");
  		DefaultFormBuilder builder = new DefaultFormBuilder(layout);
  		builder.setDefaultDialogBorder();
  		return builder;
  	}
  
  	public void revert() {
  		generalPage.revert();
  		notifyPage.revert();
  		programsPage.revert();
  	}
  
  	public void updateLabels()
  	{
  		setTitle(i18n.tr("JHylaFAX Setup Wizard"));
  		
  		introPage.updateLabels();
  		generalPage.updateLabels();
  		notifyPage.updateLabels();
  		programsPage.updateLabels();
 	}
 
 	private class IntroductionPage implements WizardPage {
 
 		private DefaultFormBuilder builder;
 		private JLabel introLabel;
 
 		public IntroductionPage() {
 			builder = createForm();
 			
 			introLabel = builder.append("");
 			builder.nextLine();		
 		}			
 
 		public boolean apply() {
 			if (!Settings.HAS_SEEN_WIZARD.getValue()) {
 				JHylaFAX.getInstance().resetAllTables();
 				Settings.HAS_SEEN_WIZARD.setValue(true);
 			}
 			return true;
 		}
 
 		public String getDescription() {
 			return i18n.tr("Easily setup JHylaFAX in 3 steps.");
 		}
 
 		public Icon getIcon() {
 			return null;
 		}
 
 		public JComponent getPanel() {
 			return builder.getPanel();
 		}
 
 		public String getTitle() {
 			return i18n.tr("JHylaFAX Setup Wizard");
 		}
 	
 		public void updateLabels() {
 			introLabel.setText(GUIHelper.tt(i18n.tr(
 					"JHylaFAX is a Java client for the HylaFAX fax server. " +
 					"It is licensed under the " +
 					"<b>General Public License (GPL)</b>, see about for details." +
 					"<p>" + 
 					"<p>Setup requires three simple steps:" + 
 					"<ol>" +
 					"<li>Server connection and authentication" +
 					"<li>Sender and notifcation" +
 					"<li>External viewer programs" +
 					"</ol>" +
 					"<p>Thank you for using JHylaFAX. "), WIDTH));
 		}
 		
 	}
 	
 	private class GeneralPage implements WizardPage {
 		
 		private DefaultFormBuilder builder;
 		private JLabel hostnameLabel;
 		private JTextField hostnameTextField;
 		private JLabel passwordLabel;
 		private JPasswordField passwordTextField;
 		private JLabel portLabel;
 		private JSpinner portSpinner;
 		private SpinnerNumberModel portSpinnerModel;
 		private JLabel usernameLabel;
 		private JTextField usernameTextField;
 		private JLabel hostnameDescriptionLabel;
 		private JLabel usernameDescriptionLabel;
 
 		public GeneralPage() {
 			builder = createForm();
 			
 			hostnameDescriptionLabel = new JLabel();
 			builder.append(hostnameDescriptionLabel, 5);
 			builder.nextLine();
 			
 			hostnameTextField = new JTextField(Constants.DEFAULT_COLUMNS);
 			hostnameLabel = builder.append("", hostnameTextField, 3);
 			builder.nextLine();		
 			
 			portSpinnerModel = new SpinnerNumberModel();
 			portSpinnerModel.setMinimum(PortRange.MIN_PORT);
 			portSpinnerModel.setMaximum(PortRange.MAX_PORT);
 			portSpinner = new JSpinner(portSpinnerModel);
 			portSpinner.setEditor(new JSpinner.NumberEditor(portSpinner, "#"));
 			portLabel = builder.append("", portSpinner);
 			builder.nextLine();
 			
 			usernameDescriptionLabel = new JLabel();
 			builder.append(usernameDescriptionLabel, 5);
 			builder.nextLine();
 			
 			usernameTextField = new JTextField(Constants.DEFAULT_COLUMNS);
 			usernameLabel = builder.append("", usernameTextField, 3);
 			builder.nextLine();
 		}
 
 		public boolean apply() {
 			Settings.HOSTNAME.setValue(hostnameTextField.getText());
 			Settings.PORT.setValue(portSpinnerModel.getNumber().intValue());
 			Settings.USERNAME.setValue(usernameTextField.getText());
 			return true;
 		}
 
 		public String getDescription() {
 			return i18n.tr("The connection to the fax server is configured here.");
 		}
 
 		public Icon getIcon() {
 			return IconHelper.getTitleIcon("connect_established.png");
 		}
 
 		public JComponent getPanel() {
 			return builder.getPanel();
 		}
 
 		public String getTitle() {
 			return i18n.tr("HylaFAX Server Connection");
 		}
 
 		public void revert() {
 			hostnameTextField.setText(Settings.HOSTNAME.getValue());
 			portSpinnerModel.setValue(Settings.PORT.getValue());
 			usernameTextField.setText(Settings.USERNAME.getValue());
 		}
 		
 		public void updateLabels() {
 			hostnameDescriptionLabel.setText(GUIHelper.tt(i18n.tr("Enter the host and port of your HylaFAX server:"), WIDTH));
 			hostnameLabel.setText(i18n.tr("Host"));
 			portLabel.setText(i18n.tr("Port"));
 			
 			usernameDescriptionLabel.setText(GUIHelper.tt(i18n.tr("Enter a username that is used to login to the server:"), WIDTH));
 			usernameLabel.setText(i18n.tr("Username"));
 		}
 	}
 
 	private class NotifyPage implements WizardPage {
 
 		private JTextField fullnameTextField;
 		private DefaultFormBuilder builder;
 		private JTextField emailTextField;
 		private JLabel emailLabel;
 		private JLabel fullnameLabel;
 		private JLabel fullnameDescriptionLabel;
 		private JLabel emailDescriptionLabel;
 
 		public NotifyPage() {
 			builder = createForm();
 			
 			fullnameDescriptionLabel = new JLabel();
 			builder.append(fullnameDescriptionLabel, 5);
 			builder.nextLine();
 
 			fullnameTextField = new JTextField(Constants.DEFAULT_COLUMNS);
 			fullnameLabel = builder.append("", fullnameTextField, 3);
 			builder.nextLine();
 
 			emailDescriptionLabel = new JLabel();
 			builder.append(emailDescriptionLabel, 5);
 			builder.nextLine();
 			
 			emailTextField = new JTextField(Constants.DEFAULT_COLUMNS);
 			emailLabel = builder.append("", emailTextField, 3);
 			builder.nextLine();
 			
 		}
 		
 		public void updateLabels() {
 			fullnameDescriptionLabel.setText(GUIHelper.tt(i18n.tr("Enter a name that is used to identify the sender:"), WIDTH));
 			fullnameLabel.setText(i18n.tr("Name"));
 			emailDescriptionLabel.setText(GUIHelper.tt(i18n.tr("Enter an email address to receive notification when a fax has been sent or cancelled:"), WIDTH));
 			emailLabel.setText(i18n.tr("Email"));
 		}
 
 		public boolean apply() {
 			Settings.FULLNAME.setValue(fullnameTextField.getText());
 			Settings.EMAIL.setValue(emailTextField.getText());
 			return true;
 		}
 
 		public String getDescription() {
 			return i18n.tr("The sender's name and an email address for notifications are configured here.");
 		}
 
 		public Icon getIcon() {
 			return IconHelper.getTitleIcon("kontact_mail.png");
 		}
 
 		public JComponent getPanel() {
 			return builder.getPanel();
 		}
 
 		public String getTitle() {
 			return i18n.tr("Sender and Notification");
 		}
 
 		public void revert() {
 			fullnameTextField.setText(Settings.FULLNAME.getValue());
 			emailTextField.setText(Settings.EMAIL.getValue());
 		}
 		
 	}			
 
 	private class ProgramsPage implements WizardPage {
 
 		private DefaultFormBuilder builder;
 		private ExecutableChooserPanel viewerPathFileChooserPanel;
 		private JLabel viewerPathLabel;
 		private ExecutableChooserPanel docViewerPathFileChooserPanel;
 		private JLabel docViewerPathLabel;
 		private String docViewer;
 		private String viewer;
 		private SearchProgramsAction searchProgramsAction;
 		private JLabel viewerDescriptionLabel;
 		private JLabel searchDescriptionLabel;
 		private JLabel docViewerDescriptionLabel;
 		private JLabel descriptionLabel;
 
 		public ProgramsPage() {
 			builder = createForm();
 
 			descriptionLabel = new JLabel();
 			builder.append(descriptionLabel, 5);
 			builder.nextLine();
 
 			viewerDescriptionLabel = new JLabel();
 			builder.append(viewerDescriptionLabel, 5);
 			builder.nextLine();
 			
 			viewerPathFileChooserPanel = new ExecutableChooserPanel(Constants.DEFAULT_COLUMNS);
 			viewerPathFileChooserPanel.setDialogParent(SettingsWizard.this);
 			viewerPathLabel = builder.append("", viewerPathFileChooserPanel, 3);
 			builder.nextLine();
 			
 			docViewerDescriptionLabel = new JLabel();
 			builder.append(docViewerDescriptionLabel, 5);
 			builder.nextLine();
 			
 			docViewerPathFileChooserPanel = new ExecutableChooserPanel(Constants.DEFAULT_COLUMNS);
 			docViewerPathFileChooserPanel.setDialogParent(SettingsWizard.this);
 			docViewerPathLabel = builder.append("", docViewerPathFileChooserPanel, 3);
 			builder.nextLine();
 
 			searchDescriptionLabel = new JLabel();
 			builder.append(searchDescriptionLabel, 5);
 			builder.nextLine();
 			
 			builder.append("");
 			builder.nextLine();
 			
 			searchProgramsAction = new SearchProgramsAction();
 			builder.append(Builder.createButton(searchProgramsAction));
 			builder.nextLine();
 		}
 		
 		public void revert() {
 			searchForPrograms();
 			
 			if (!"".equals(Settings.VIEWER_PATH.getValue())) {
 				viewerPathFileChooserPanel.getTextField().setText(Settings.VIEWER_PATH.getValue());
 			}
 			else {
 				viewerPathFileChooserPanel.getTextField().setText(viewer);
 			}
 			
 			if (!"".equals(Settings.DOC_VIEWER_PATH.getValue())) {
 				docViewerPathFileChooserPanel.getTextField().setText(Settings.DOC_VIEWER_PATH.getValue());
 			}
 			else {
 				docViewerPathFileChooserPanel.getTextField().setText(docViewer);
 			}
 		}
 
 		private void searchForPrograms() {
 			if (SystemHelper.IS_WINDOWS) {
 	            if (SystemHelper.IS_WINDOWS_XP) { 
 	            	viewer= "rundll32.exe shimgvw.dll,ImageView_Fullscreen $f";
 	            }
 	            else {
 	            	String path = System.getenv("ProgramFiles");
 	            	viewer = searchExecutable(new String[][] {
 		        			{ path + "\\Windows NT\\Accessories\\ImageVue", "kodakimg.exe", "$f" },
 		        	});		
 	            }
 	            docViewer = searchExecutable(new String[][] {
 	        			{ null, "gsview32.exe", "$f" },
 	            });
 	            
 			}
 			else if (SystemHelper.IS_MACOSX) {
 				viewer = "open -a Preview.app $f";
 				docViewer = "open -a Preview.app $f";
 			}
 			else {
 	        	viewer = searchExecutable(new String[][] {
 	        			{ "/usr/bin", "kfax", "$f" },
 	        	});
 	        	docViewer = searchExecutable(new String[][] {
 	        			{ "/usr/bin", "gv", "$f" },
 	        			{ "/usr/bin", "kghostview", "$f" },
 	        	});
 			}			
 		}
 		
 		private String searchExecutable(String[][] programs) {
 			return programs[0][1] + " " + programs[0][2];
 			/*
 			for (int programIndex = 0; programIndex < programs.length; programIndex++) {
 				String[] program = programs[programIndex];
 				if (program[0] != null && new File(program[0], program[1]).exists()) {
 					return program[0] + File.pathSeparator + program[1] + " " + program[2];
 				}
 			}
 			*/
 		}
 
 		public void updateLabels() {
 			descriptionLabel.setText(GUIHelper.tt(i18n.tr("JHylaFAX depends on external programs to display received and sent faxes. " +
 					"You can either enter the path of a program or use Search to let JHylaFAX suggest a program." +
 					"You may use $f as a placeholder for the filename that is passed as a parameter."), WIDTH));
 			
 			viewerDescriptionLabel.setText(GUIHelper.tt(i18n.tr("Enter the path of a programm that can handle TIFF G3 files:"), WIDTH));
 			viewerPathLabel.setText(i18n.tr("Fax Viewer"));
 			docViewerDescriptionLabel.setText(GUIHelper.tt(i18n.tr("Enter the path of a programm that can handle PostScript files:"), WIDTH));
 			docViewerPathLabel.setText(i18n.tr("Document Viewer"));
 			searchProgramsAction.putValue(Action.NAME, i18n.tr("Search"));
 		}
 
 		public boolean apply()
 		{
 			Settings.VIEWER_PATH.setValue(viewerPathFileChooserPanel.getTextField().getText());
 			Settings.DOC_VIEWER_PATH.setValue(docViewerPathFileChooserPanel.getTextField().getText());
 
 			return true;
 		}
 
 		public String getDescription() {
 			return i18n.tr("Viewer programs are configured here.");
 		}
 
 		public Icon getIcon() {
 			return IconHelper.getTitleIcon("misc.png");
 		}
 
 		public JComponent getPanel() {
 			return builder.getPanel();
 		}
 
 		public String getTitle() {
 			return i18n.tr("External Programs");
 		}
 
 		private class SearchProgramsAction extends AbstractXNapAction { 
 
 			public SearchProgramsAction() {
 				putValue(ICON_FILENAME, "find.png");
 			}
 						
 			public void actionPerformed(ActionEvent e)
 			{
 				searchForPrograms();
 				viewerPathFileChooserPanel.getTextField().setText(viewer);
 				docViewerPathFileChooserPanel.getTextField().setText(docViewer);
 			}
 			
 		}
 
 	}		
 		
 
 }