package net.sourceforge.fenixedu.presentationTier.config;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidPasswordServiceException;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.SessionConstants;

import org.apache.struts.Globals;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ExceptionHandler;
import org.apache.struts.config.ExceptionConfig;

public class LoginInvalidPasswordExceptionHandler extends ExceptionHandler {

	public ActionForward execute(Exception ex, ExceptionConfig ae,
			ActionMapping mapping, ActionForm formInstance,
			HttpServletRequest request, HttpServletResponse response) {

		ActionMessage error = null;
		IUserView userView = null;
		String errorMessage = "message.invalid.password";
		

		// Figure out the error
		if (ex instanceof InvalidPasswordServiceException) {
			InvalidPasswordServiceException invalidPasswordServiceException = (InvalidPasswordServiceException) ex;
			userView = invalidPasswordServiceException.getUserView();
			error = new ActionMessage(errorMessage, errorMessage);
		} 
		
		
		// Invalidate existing session if it exists
        HttpSession sessao = request.getSession(false);
        if (sessao != null) {
            sessao.invalidate();
        }

        // Create a new session for this user
        sessao = request.getSession(true);

        // Store the UserView into the session and return
        sessao.setAttribute(SessionConstants.U_VIEW, userView);
        sessao.setAttribute(SessionConstants.SESSION_IS_VALID, new Boolean(true));

		ActionForward forward = mapping.findForward("changePass");
		request.setAttribute(Globals.EXCEPTION_KEY, ex);
		super.storeException(request, errorMessage, error, forward, ae.getScope());
		return forward;
	}

}