package net.sourceforge.fenixedu.presentationTier.Action.externalSupervision;

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

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.student.RegistrationProtocol;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import pt.ist.fenixWebFramework.security.UserView;
import pt.ist.fenixWebFramework.struts.annotations.Forward;
import pt.ist.fenixWebFramework.struts.annotations.Forwards;
import pt.ist.fenixWebFramework.struts.annotations.Mapping;

@Mapping(path = "/welcome", module = "externalSupervision")
@Forwards({ @Forward(name = "welcome", path = "/externalSupervision/externalSupervisionGreetings.jsp"),
        @Forward(name = "welcome_AFA", path = "/externalSupervision/externalSupervisionGreetingsAFA.jsp"),
        @Forward(name = "welcome_MA", path = "/externalSupervision/externalSupervisionGreetingsMA.jsp"),
        @Forward(name = "selectProtocol", path = "/externalSupervision/selectProtocol.jsp") })
public class ExternalSupervisionEntryPointAction extends FenixDispatchAction {

    /*public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response){
    final IUserView userView = UserView.getUser();
    Person supervisor = userView.getPerson();
    
    if(supervisor.getRegistrationProtocolsCount() > 1) {
        return mapping.findForward("selectProtocol");
    }
    
    return welcome(mapping, form, request, response);
    }*/

    public ActionForward welcome(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        /*//Pick up user so that you can find out which
        //agreement greeting is supposed to be shown.
        //(for single agreement supervisors only)
        final IUserView userView = UserView.getUser();
        Person supervisor = userView.getPerson();
        
        //If action is being called after Protocol Selection, it means
        //this supervisor is responsible for several agreements.
        //In that case the agreement greeting supposed to be shown
        //is attainable through the request.
        final String registrationProtocolId = request.getParameter("registrationProtocolId");
        RegistrationProtocol registrationProtocol = AbstractDomainObject.fromExternalId(registrationProtocolId);
        RegistrationAgreement registrationAgreement;
        
        //If coming from selectProtocol, read agreement from request. Else read from user. Plain simple.
        if(registrationProtocol != null){
            registrationAgreement = registrationProtocol.getRegistrationAgreement();
        } else {
            registrationAgreement = supervisor.getRegistrationProtocols().get(0).getRegistrationAgreement();
        }*/

        final IUserView userView = UserView.getUser();
        Person supervisor = userView.getPerson();
        RegistrationProtocol registrationProtocol = supervisor.getOnlyRegistrationProtocol();

        if (registrationProtocol == null) {
            return mapping.findForward("welcome");
        }

        switch (registrationProtocol.getRegistrationAgreement()) {

        case AFA:
            return mapping.findForward("welcome_AFA");

        case MA:
            return mapping.findForward("welcome_MA");

        default:
            return mapping.findForward("welcome");
        }
    }

}