/*
 * Copyright (C) 2002 Erik Swenson - erik@oreports.com
 * 
 * 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 reserved a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 *  
 */

package org.efs.openreports.actions;

import java.util.Map;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

import org.apache.struts2.interceptor.SessionAware;
import org.efs.openreports.ORStatics;
import org.efs.openreports.objects.ReportUser;
import org.efs.openreports.providers.ProviderException;
import org.efs.openreports.providers.UserProvider;
import org.efs.openreports.util.LocalStrings;

public class LoginAction extends ActionSupport implements SessionAware
{
    private static final long serialVersionUID = 1L;
    
    private Map<Object,Object> session;
    
    protected String userName;
	protected String password;

	protected UserProvider userProvider;

	@Override
	public String execute()
	{
		if (userName == null || userName.length() < 1 || 
				password == null || password.length() < 1)
		{
			addActionError(getText(LocalStrings.ERROR_LOGIN_INCOMPLETE));
			return INPUT;
		}

		try
		{
			ReportUser user = checkCredentials();

			if (user == null)
			{
			    addActionError(getText(LocalStrings.ERROR_LOGIN_INVALID));				
				return INPUT;
			}

			session.put("user", user);
            ActionContext.getContext().setLocale(user.getLocale());
            						
			if (user.isDashboardUser() && 
				(user.getDefaultReport() != null || user.getAlerts().size() > 0))
			{
				return ORStatics.DASHBOARD_ACTION;
			}
			
			return SUCCESS;
		}
		catch (Exception e)
		{
			e.printStackTrace();
			addActionError(e.toString());
			return INPUT;
		}
	}

	/**
     * checkCredentials - override this method to customize login authentication
     * @return ReportUser, if credentials in order, null otherwise
     * @throws ProviderException
	 */
    protected ReportUser checkCredentials() throws ProviderException {
        return userProvider.getUser(userName, password);        
    }
    
    
    @SuppressWarnings("unchecked")
	public void setSession(Map session) 
    {
		this.session = session;
	}

	public String getPassword()
	{
		return password;
	}

	public String getUserName()
	{
		return userName;
	}

	public void setPassword(String password)
	{
		this.password = password;
	}

	public void setUserName(String userName)
	{
		this.userName = userName;
	}

	public void setUserProvider(UserProvider userProvider)
	{
		this.userProvider = userProvider;
	}

}