/*
 * Copyright 2005-2008 Pentaho Corporation.  All rights reserved. 
 * This software was developed by Pentaho Corporation and is provided under the terms 
 * of the Mozilla Public License, Version 1.1, or any later version. You may not use 
 * this file except in compliance with the license. If you need a copy of the license, 
 * please go to http://www.mozilla.org/MPL/MPL-1.1.txt. The Original Code is the Pentaho 
 * BI Platform.  The Initial Developer is Pentaho Corporation.
 *
 * Software distributed under the Mozilla Public License is distributed on an "AS IS" 
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
 * the license for the specific language governing your rights and limitations.
 *
 * Created  
 * @author Steven Barkdull
 */

package org.pentaho.pac.client.services;

import java.util.HashMap;

import org.pentaho.pac.client.PacServiceAsync;
import org.pentaho.pac.client.PacServiceFactory;
import org.pentaho.pac.client.PentahoAdminConsole;
import org.pentaho.pac.client.common.ui.GroupBox;
import org.pentaho.pac.client.common.ui.dialog.MessageDialog;
import org.pentaho.pac.client.i18n.PacLocalizedMessages;

import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

public class AdminServicesPanel extends VerticalPanel implements ClickListener {

  protected static final PacLocalizedMessages MSGS = PentahoAdminConsole.getLocalizedMessages();
  Button refreshSolutionRepositoryBtn = new Button(MSGS.refreshSolutionRepository());
  Button cleanRepositoryBtn = new Button(MSGS.removeStaleContent());
  Button clearMondrianSchemaCacheBtn = new Button(MSGS.purgeMondrianSchemaCache());
  Button scheduleRepositoryCleaningBtn = new Button(MSGS.scheduleDailyRepositoryCleaning());
  Button resetRepositoryBtn = new Button(MSGS.restoreDefaultFilePermissions());
  Button refreshSystemSettingsBtn = new Button(MSGS.refreshSystemSettings());
  Button executeGlobalActionsBtn = new Button(MSGS.executeGlobalActions());
  Button refreshReportingMetadataBtn = new Button(MSGS.refreshReportingMetadata());
  FlexTable flexTable = new FlexTable();
  
  HashMap<Integer, FlexTable> groupMap = new HashMap<Integer, FlexTable>();
  
  public AdminServicesPanel() {
    flexTable.setCellSpacing(10);
    add(flexTable);
    
    addGroupBox(0, 0, 0, MSGS.contentRepositoryCleaning());
    addGroupBox(1, 0, 1, MSGS.solutionRepository());
    addGroupBox(2, 1, 0, MSGS.refreshBiServer());
    
    flexTable.getColumnFormatter().setWidth(0, "50%");
    flexTable.getColumnFormatter().setWidth(1, "50%");
    
    addServiceButton(0, 0, 1, cleanRepositoryBtn);
    addServiceButton(0, 0, 0, scheduleRepositoryCleaningBtn);
    
    addServiceButton(1, 0, 0, refreshSolutionRepositoryBtn);
    addServiceButton(1, 0, 1, resetRepositoryBtn);
    
    addServiceButton(2, 0, 0, refreshSystemSettingsBtn);
    addServiceButton(2, 0, 1, executeGlobalActionsBtn);
    addServiceButton(2, 1, 0, refreshReportingMetadataBtn);
    addServiceButton(2, 1, 1, clearMondrianSchemaCacheBtn);
    
  }

  protected void addGroupBox(int groupId, int row, int column, String title) {
    FlexTable groupFlexTable = new FlexTable();
    groupFlexTable.setWidth("100%"); //$NON-NLS-1$   
    groupFlexTable.setCellSpacing(5);
    
    GroupBox groupBox = new GroupBox(title);
    groupBox.setContent(groupFlexTable);
    groupBox.setWidth("100%"); //$NON-NLS-1$   
    groupBox.setHeight("100%"); //$NON-NLS-1$
    
    flexTable.getCellFormatter().setHeight(row, column, "100%");
    flexTable.setWidget(row, column, groupBox);
    
    groupBox.setVerticalAlignment(HasVerticalAlignment.ALIGN_TOP);
    groupMap.put(new Integer(groupId), groupFlexTable);
  }
  
  protected void addServiceButton(int parentGroupId, int rowWithinGroup, int columnWithinGroup, Button serviceButton) {
    FlexTable groupFlexTable = groupMap.get(new Integer(parentGroupId));
    if (groupFlexTable != null) {
      groupFlexTable.setWidget(rowWithinGroup, columnWithinGroup, serviceButton);
      serviceButton.setWidth("100%"); //$NON-NLS-1$
      serviceButton.addClickListener(this);
    }
  }
  
  protected void runService(final Button serviceButton) {
    AsyncCallback callback = new AsyncCallback() {
      
      public void onSuccess(Object result) {
        MessageDialog messageDialog = new MessageDialog(MSGS.services(), 
            result.toString() );
        messageDialog.center();
        serviceButton.setEnabled(true);
      }

      public void onFailure(Throwable caught) {
        MessageDialog messageDialog = new MessageDialog(MSGS.error(), 
            caught.getMessage() );
        messageDialog.center();
        serviceButton.setEnabled(true);
      }
    }; // end AsyncCallback

    PacServiceAsync pacServiceAsync = PacServiceFactory.getPacService();
    
    serviceButton.setEnabled(false);
    if (serviceButton == refreshSolutionRepositoryBtn) {
      pacServiceAsync.refreshSolutionRepository(callback);
    } else if (serviceButton == cleanRepositoryBtn) {
      pacServiceAsync.cleanRepository(callback);
    } else if (serviceButton == clearMondrianSchemaCacheBtn) {
      pacServiceAsync.clearMondrianSchemaCache(callback);
    } else if (serviceButton == scheduleRepositoryCleaningBtn) {
      pacServiceAsync.scheduleRepositoryCleaning(callback);
    } else if (serviceButton == resetRepositoryBtn) {
      pacServiceAsync.resetRepository(callback);
    } else if (serviceButton == refreshSystemSettingsBtn) {
      pacServiceAsync.refreshSystemSettings(callback);
    } else if (serviceButton == executeGlobalActionsBtn) {
      pacServiceAsync.executeGlobalActions(callback);
    } else if (serviceButton == refreshReportingMetadataBtn) {
      pacServiceAsync.refreshReportingMetadata(callback);
    }
  }
  
  public void onClick(final Widget sender) {
    runService((Button)sender);
  }
  
}