/*
 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
 * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
 * 
 * This file is part of Jalview.
 * 
 * Jalview 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 3 of the License, or (at your option) any later version.
 * 
 * Jalview 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 Jalview.  If not, see <http://www.gnu.org/licenses/>.
 */
package jalview.gui;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.net.URL;
import java.util.Vector;

import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;

import jalview.bin.Cache;
import jalview.jbgui.GWsPreferences;

public class WsPreferences extends GWsPreferences
{

  public WsPreferences()
  {
    super();
    initFromPreferences();
  }

  Vector<String> wsUrls,oldUrls;
  private boolean needWsMenuUpdate;
  private boolean oldJws1,oldJws2,oldIndexByHost,oldIndexByType,oldEnfin;
  private void initFromPreferences()
  {

    wsUrls = jalview.ws.jws2.Jws2Discoverer.getServiceUrls();
    if (wsUrls!=null) {
      oldUrls = new Vector<String>(wsUrls);
    } else {
      oldUrls=null;
      wsUrls=new Vector<String>();
    }
    updateList();
    enableEnfinServices.setSelected(oldEnfin=Cache.getDefault(
            "SHOW_ENFIN_SERVICES", true));
    enableJws1Services.setSelected(oldJws1=Cache.getDefault("SHOW_JWS1_SERVICES",
            true));
    enableJws2Services.setSelected(oldJws2=Cache.getDefault("SHOW_JWS2_SERVICES",
            true));
    indexByHost.setSelected(oldIndexByHost=Cache.getDefault("WSMENU_BYHOST", true));
    indexByType.setSelected(oldIndexByType=Cache.getDefault("WSMENU_BYTYPE", true));
  }
  private void updateList() {
    wsList.setListData(wsUrls);
  }
  private void updateServiceList() {
    jalview.ws.jws2.Jws2Discoverer.setServiceUrls(wsUrls);
  }
  /* (non-Javadoc)
   * @see jalview.jbgui.GWsPreferences#deleteWsUrl_actionPerformed(java.awt.event.ActionEvent)
   */
  @Override
  protected void deleteWsUrl_actionPerformed(ActionEvent e)
  {
    int sel = wsList.getSelectedIndex();
    if (sel>-1)
    {
      wsUrls.removeElementAt(sel);
      updateList();
    }
  }

  /* (non-Javadoc)
   * @see jalview.jbgui.GWsPreferences#editWsUrl_actionPerformed(java.awt.event.ActionEvent)
   */
  @Override
  protected void editWsUrl_actionPerformed(ActionEvent e)
  {
    int sel = wsList.getSelectedIndex();
    if (sel>-1)
    {
      String url=editUrl(wsUrls.elementAt(sel),"Edit JWS2 URL");
      if (url!=null)
      {
        int present = wsUrls.indexOf(url);
        if (present==-1)
        {
          wsUrls.setElementAt(url,sel);
          updateList();
        } else {
          if (present!=sel)
          {
            wsUrls.removeElementAt(sel);
            updateList();
          }
        }
      }
    }
  }
  
  void updateWsMenuConfig(boolean old) {
    if (old) {
      wsUrls = (oldUrls==null) ? null : new Vector(oldUrls);
    } else {
      
    }
    Cache.setProperty("SHOW_ENFIN_SERVICES", Boolean.valueOf(old ? oldEnfin : enableEnfinServices.isSelected()).toString());
    Cache.setProperty("SHOW_JWS1_SERVICES", Boolean.valueOf(old ? oldJws1 : enableJws1Services.isSelected()).toString());
    Cache.setProperty("SHOW_JWS2_SERVICES", Boolean.valueOf(old ? oldJws2 : enableJws2Services.isSelected()).toString());
    Cache.setProperty("WSMENU_BYHOST", Boolean.valueOf(old ? oldIndexByHost : indexByHost.isSelected()).toString());
    Cache.setProperty("WSMENU_BYTYPE", Boolean.valueOf(old ? oldIndexByType : indexByType.isSelected()).toString());
    updateServiceList();
  }
  
  /* (non-Javadoc)
   * @see jalview.jbgui.GWsPreferences#moveWsUrlDown_actionPerformed(java.awt.event.ActionEvent)
   */
  @Override
  protected void moveWsUrlDown_actionPerformed(ActionEvent e)
  {
    int p=wsList.getSelectedIndex();
    if (p>-1 && p<wsUrls.size()-1)
    {
      String t = wsUrls.get(p+1);
      wsUrls.setElementAt(wsUrls.elementAt(p), p+1);
      wsUrls.setElementAt(t, p);
      updateList();
      wsList.setSelectedIndex(p+1);
    }
  }

  /* (non-Javadoc)
   * @see jalview.jbgui.GWsPreferences#moveWsUrlUp_actionPerformed(java.awt.event.ActionEvent)
   */
  @Override
  protected void moveWsUrlUp_actionPerformed(ActionEvent e)
  {
    int p=wsList.getSelectedIndex();
    if (p>0)
    {
      String t = wsUrls.get(p-1);
      wsUrls.setElementAt(wsUrls.elementAt(p), p-1);
      wsUrls.setElementAt(t, p);
      updateList();
      wsList.setSelectedIndex(p-1);
    }
  }

  private String editUrl(String initUrl, String title)
  {
    String url=initUrl;
    URL foo=null;
    if (url==null)
    {
      url = "";
    }
    JTextField urltf = new JTextField(url, 40);
    JPanel panel = new JPanel(new BorderLayout());
    JPanel pane12 = new JPanel(new BorderLayout());
    pane12.add(new JLabel("URL: "), BorderLayout.CENTER);
    pane12.add(urltf, BorderLayout.EAST);
    panel.add(pane12, BorderLayout.NORTH);
    boolean valid=false;
    int resp=JOptionPane.CANCEL_OPTION;
    while (!valid && (resp=JOptionPane.showInternalConfirmDialog(Desktop.desktop, panel, title, JOptionPane.OK_CANCEL_OPTION))==JOptionPane.OK_OPTION)
    {
      try {
        // TODO: do a better job of checking that the url is a valid discovery URL for web services.
        foo = new URL(urltf.getText().trim());
        valid = true;
      } catch (Exception e)
      {
        valid = false;
        JOptionPane.showInternalMessageDialog(Desktop.desktop, "Invalid URL !");
      }
    }
    if (valid && resp==JOptionPane.OK_OPTION)
    {
      int validate = JOptionPane.showInternalConfirmDialog(Desktop.desktop, "Validate JabaWS Server ?\n(Look in console output for results)", "Test Server?", JOptionPane.YES_NO_OPTION);
      if (validate == JOptionPane.OK_OPTION)
      {
        if (jalview.ws.jws2.Jws2Discoverer.testServiceUrl(foo)) 
        {
          return foo.toString();
        } else {
          JOptionPane.showInternalMessageDialog(Desktop.desktop, "Service did not pass validation.\nCheck the Jalview Console for more details.");
        }
      } else {
        // just return the URL anyway
        return foo.toString();
      }
    }
    return initUrl; 
  }
  /* (non-Javadoc)
   * @see jalview.jbgui.GWsPreferences#newWsUrl_actionPerformed(java.awt.event.ActionEvent)
   */
  @Override
  protected void newWsUrl_actionPerformed(ActionEvent e)
  {
    String url=editUrl(null,"Add new JWS2 URL");
    if (url!=null)
    {
      if (!wsUrls.contains(url))
      {
        int selind = wsList.getSelectedIndex();
        if (selind>-1)
        {
          wsUrls.insertElementAt(url, selind);
        } else {
          wsUrls.addElement(url);
        }
        updateList();
      }
    }
  }

  /* (non-Javadoc)
   * @see jalview.jbgui.GWsPreferences#refreshWs_actionPerformed(java.awt.event.ActionEvent)
   */
  @Override
  protected void refreshWs_actionPerformed(ActionEvent e)
  {
    new Thread(new Runnable() {

      public void run()
      {
        updateWsMenuConfig(false);
        refreshWsMenu(true);
      }      
    }).start();
    
  }
  /**
   * 
   * @param showProgress show progress in dialog or on desktop
   */
  protected void refreshWsMenu(boolean showProgress)
  {
    if (showProgress)
    {
      new Thread(new Runnable() {

        public void run()
        {
          progressBar.setVisible(true);
          validate();
          progressBar.setIndeterminate(true);
          Desktop.instance.startServiceDiscovery(true); // wait around for all threads to complete
          progressBar.setIndeterminate(false);
          progressBar.setVisible(false);
          validate();
        }      
      }).start();
      
    } else {
      new Thread(new Runnable() {

        public void run()
        {
          long ct = System.currentTimeMillis();
          Desktop.instance.setProgressBar("Refreshing Web Service Menus", ct);
          Desktop.instance.startServiceDiscovery(true);
          Desktop.instance.setProgressBar("Refreshing Web Service Menus", ct);
        }
        
      }).start();
    }
  }

  /* (non-Javadoc)
   * @see jalview.jbgui.GWsPreferences#resetWs_actionPerformed(java.awt.event.ActionEvent)
   */
  @Override
  protected void resetWs_actionPerformed(ActionEvent e)
  {
    jalview.ws.jws2.Jws2Discoverer.setServiceUrls(null);
    wsUrls = jalview.ws.jws2.Jws2Discoverer.getServiceUrls(); 
    updateList();
  }
  protected void ok_ActionPerformed(ActionEvent e) {
    // update everything regardless.
    updateAndRefreshWsMenuConfig(false);
  }
  public void updateAndRefreshWsMenuConfig(final boolean showProgressInDialog)
  {
    new Thread(new Runnable() {

      public void run()
      {
        updateWsMenuConfig(false);
        refreshWsMenu(showProgressInDialog);
      }      
    }).start();
    
  }
}