/*
 * Copyright (C) 2005-2007 Alfresco Software Limited.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 * As a special exception to the terms and conditions of version 2.0 of 
 * the GPL, you may redistribute this Program in connection with Free/Libre 
 * and Open Source Software ("FLOSS") applications as described in Alfresco's 
 * FLOSS exception.  You should have recieved a copy of the text describing 
 * the FLOSS exception, and it is also available here: 
 * http://www.alfresco.com/legal/licensing"
 */
package org.alfresco.web.bean.trashcan;

import java.text.MessageFormat;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;

import org.alfresco.repo.node.archive.RestoreNodeReport;
import org.alfresco.web.app.Application;
import org.alfresco.web.bean.repository.Node;

public class TrashcanRecoverItemDialog extends TrashcanDialog
{
    private static final long serialVersionUID = -8237457079397611071L;
    
    private static final String RICHLIST_ID = "trashcan-list";
    private static final String RICHLIST_MSG_ID = "trashcan" + ':' + RICHLIST_ID;
    private static final String MSG_RECOVERED_ITEM_SUCCESS = "recovered_item_success";
    private static final String MSG_RECOVERED_ITEM_INTEGRITY = "recovered_item_integrity";
    private static final String MSG_RECOVERED_ITEM_PERMISSION = "recovered_item_permission";
    private static final String MSG_RECOVERED_ITEM_PARENT = "recovered_item_parent";
    private static final String MSG_RECOVERED_ITEM_FAILURE = "recovered_item_failure";

    private static final String MSG_RECOVER_ITEM = "recover_item";
    private static final String MSG_NO = "no";
    private static final String MSG_YES = "yes";

    private String recoverItem(FacesContext context, String outcome)
    {
        Node item = property.getItem();
        if (item != null)
        {
            FacesContext fc = context;
            try
            {
                String msg;
                FacesMessage errorfacesMsg = null;

                // restore the node - the user may have requested a restore to a
                // different parent
                RestoreNodeReport report;
                if (property.getDestination() == null)
                {
                    report = property.getNodeArchiveService().restoreArchivedNode(item.getNodeRef());
                }
                else
                {
                    report = property.getNodeArchiveService().restoreArchivedNode(item.getNodeRef(), property.getDestination(), null, null);
                }
                switch (report.getStatus())
                {
                case SUCCESS:
                    msg = MessageFormat.format(Application.getMessage(fc, MSG_RECOVERED_ITEM_SUCCESS), item.getName());
                    FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_INFO, msg, msg);
                    fc.addMessage(RICHLIST_MSG_ID, facesMsg);

                    break;

                case FAILURE_INVALID_PARENT:
                    msg = MessageFormat.format(Application.getMessage(fc, MSG_RECOVERED_ITEM_PARENT), item.getName());
                    errorfacesMsg = new FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg);
                    break;

                case FAILURE_PERMISSION:
                    msg = MessageFormat.format(Application.getMessage(fc, MSG_RECOVERED_ITEM_PERMISSION), item.getName());
                    errorfacesMsg = new FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg);
                    break;

                case FAILURE_INTEGRITY:
                    msg = MessageFormat.format(Application.getMessage(fc, MSG_RECOVERED_ITEM_INTEGRITY), item.getName());
                    errorfacesMsg = new FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg);
                    break;

                default:
                    String reason = report.getCause().getMessage();
                    msg = MessageFormat.format(Application.getMessage(fc, MSG_RECOVERED_ITEM_FAILURE), item.getName(), reason);
                    errorfacesMsg = new FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg);
                    break;
                }

                // report the failure if one occured we stay on the current
                // screen
                if (errorfacesMsg != null)
                {
                    fc.addMessage(null, errorfacesMsg);
                }
            }
            catch (Throwable err)
            {
                // most exceptions will be caught and returned as
                // RestoreNodeReport objects by the service
                String reason = err.getMessage();
                String msg = MessageFormat.format(Application.getMessage(fc, MSG_RECOVERED_ITEM_FAILURE), item.getName(), reason);
                FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_ERROR, msg, msg);
                fc.addMessage(null, facesMsg);
            }
        }

        return "dialog:close";
    }

    @Override
    protected String finishImpl(FacesContext context, String outcome) throws Exception
    {
        return recoverItem(context, outcome);

    }

    @Override
    public String getContainerTitle()
    {
        return Application.getMessage(FacesContext.getCurrentInstance(), MSG_RECOVER_ITEM) + " '" + property.getItem().getName() + "'";
    }

    @Override
    public String getCancelButtonLabel()
    {
        return Application.getMessage(FacesContext.getCurrentInstance(), MSG_NO);
    }

    @Override
    public boolean getFinishButtonDisabled()
    {
        return false;
    }

    @Override
    public String getFinishButtonLabel()
    {
        return Application.getMessage(FacesContext.getCurrentInstance(), MSG_YES);
    }

}