/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 *
 *******************************************************************************/

package com.liferay.ide.server.ui.action;

import com.liferay.ide.server.core.ILiferayRuntime;
import com.liferay.ide.server.ui.LiferayServerUI;
import com.liferay.ide.server.util.ServerUtil;
import com.liferay.ide.ui.editor.LiferayPropertiesEditor;
import com.liferay.ide.ui.util.UIUtil;

import java.io.File;
import java.io.IOException;

import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.FileStoreEditorInput;
import org.eclipse.wst.server.core.IServer;

/**
 * @author Gregory Amerson
 * @author Simon Jiang
 */
public class CreatePortalSettingsFileAction extends AbstractServerRunningAction
{
    private final static String PORTAL_EXT_PROPERTIES = "portal-ext.properties"; //$NON-NLS-1$

    public CreatePortalSettingsFileAction()
    {
        super();
    }

    @Override
    protected int getRequiredServerState()
    {
        return IServer.STATE_STARTED | IServer.STATE_STARTING | IServer.STATE_STOPPING | IServer.STATE_STOPPED |
            IServer.STATE_UNKNOWN;
    }

    private IPath getSettingsFilePath()
    {
        IPath retval = null;

        if( selectedServer != null )
        {
            final ILiferayRuntime liferayRuntime = ServerUtil.getLiferayRuntime( selectedServer );

            if( liferayRuntime != null )
            {
                final IPath home = liferayRuntime.getLiferayHome();

                if( home != null && home.toFile().exists() )
                {
                    retval = home.append( PORTAL_EXT_PROPERTIES );
                }
            }
        }

        return retval;
    }

    public void run( IAction action )
    {
        final IPath settingsFilePath = getSettingsFilePath();

        if( settingsFilePath != null )
        {
            final File newFile = settingsFilePath.toFile();

            try
            {
                if( newFile.createNewFile() )
                {
                    UIUtil.refreshCommonView( "org.eclipse.wst.server.ui.ServersView" );

                    final FileStoreEditorInput editorInput =
                        new FileStoreEditorInput( EFS.getLocalFileSystem().fromLocalFile( newFile ) );
                    final IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();

                    try
                    {
                        page.openEditor( editorInput, LiferayPropertiesEditor.ID );
                    }
                    catch( PartInitException e )
                    {
                        LiferayServerUI.logError( "Error opening properties editor.", e );
                    }
                }
            }
            catch( IOException e )
            {
                LiferayServerUI.logError( "Unable to create new portal settings file", e );
            }
        }
    }

    @Override
    public void selectionChanged( IAction action, ISelection selection )
    {
        super.selectionChanged( action, selection );

        if( action.isEnabled() )
        {
            final IPath settingsFile = getSettingsFilePath();

            if( settingsFile == null || settingsFile.toFile().exists() )
            {
                action.setEnabled( false );
            }
        }
    }
}