package org.pentaho.pac.client;

import org.pentaho.pac.client.common.ui.dialog.MessageDialog;
import org.pentaho.pac.client.home.HomePanel;
import org.pentaho.pac.client.i18n.PacLocalizedMessages;

import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.DockPanel;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;

public class PentahoAdminConsole extends DockPanel {
  
  public static final PacLocalizedMessages MSGS = (PacLocalizedMessages)GWT.create(PacLocalizedMessages.class);
  
  protected AdminConsoleToolbar toolbar = new AdminConsoleToolbar();
  protected AdminConsoleMasterDetailsPanel adminConsoleMasterDetailsPanel = new AdminConsoleMasterDetailsPanel();
  
  public enum AdminConsolePageId {
    HOME_PAGE, ADMIN_PAGE
  };
  
  public PentahoAdminConsole() {
    super();
    
    HorizontalPanel topPanel = buildTopPanel() ;
    topPanel.setWidth("100%");    //$NON-NLS-1$
    add(topPanel, DockPanel.NORTH);
    setCellWidth(topPanel, "100%"); //$NON-NLS-1$    
    
    add(adminConsoleMasterDetailsPanel, DockPanel.CENTER);
    adminConsoleMasterDetailsPanel.setWidth("100%");//$NON-NLS-1$
    adminConsoleMasterDetailsPanel.setHeight("100%");   //$NON-NLS-1$
    setCellWidth(adminConsoleMasterDetailsPanel, "100%"); //$NON-NLS-1$
    setCellHeight(adminConsoleMasterDetailsPanel, "100%"); //$NON-NLS-1$    
    
    adminConsoleMasterDetailsPanel.addPage(AdminConsolePageId.HOME_PAGE.ordinal(), PentahoAdminConsole.MSGS.home(), new HomePanel("http://www.pentaho.com/console_home"));
    adminConsoleMasterDetailsPanel.addPage(AdminConsolePageId.ADMIN_PAGE.ordinal(), PentahoAdminConsole.MSGS.administration(), new AdministrationTabPanel());   
    
    
    adminConsoleMasterDetailsPanel.selectPage(AdminConsolePageId.HOME_PAGE.ordinal());
    
    setStyleName("main-panel"); //$NON-NLS-1$
    AsyncCallback callback = new AsyncCallback() {
          public void onSuccess(Object result) {
            refresh();
          }
          public void onFailure(Throwable caught) {
            MessageDialog errorDialog = new MessageDialog(PentahoAdminConsole.MSGS.error());
            errorDialog.setText(MSGS.errorInitializingPacService());
            errorDialog.setMessage(caught.getLocalizedMessage());
            errorDialog.center();
          }
    };
    PacServiceFactory.getPacService().initialze(callback);
  }
  
  
  protected HorizontalPanel buildTopPanel() {
    HorizontalPanel topPanel = new HorizontalPanel();
    SimplePanel logo = new SimplePanel();
    logo.setStyleName("logo"); //$NON-NLS-1$
    topPanel.setWidth("100%");  //$NON-NLS-1$
    topPanel.add(logo);
    topPanel.add(toolbar);
    topPanel.setCellWidth(toolbar, "100%"); //$NON-NLS-1$
    return topPanel;
  }

  static public PacLocalizedMessages getLocalizedMessages() {
    return MSGS;
  }
  
  public void refresh() {
    for (Widget page : adminConsoleMasterDetailsPanel.getPages()) {
      if (page instanceof IRefreshableAdminPage) {
        ((IRefreshableAdminPage)page).refresh();
      }
    }
  }
}