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

import net.sourceforge.fenixedu.applicationTier.Servico.research.prizes.CreatePrize;

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

import net.sourceforge.fenixedu.applicationTier.Filtro.exception.FenixFilterException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.dataTransferObject.person.PersonNameBean;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.organizationalStructure.Unit;
import net.sourceforge.fenixedu.domain.research.Prize;
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.renderers.components.state.IViewState;
import pt.ist.fenixWebFramework.renderers.utils.RenderUtils;

public class PrizeManagement extends FenixDispatchAction {

    public ActionForward listPrizes(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) {
	request.setAttribute("prizes", getLoggedPerson(request).getPrizes());
	return mapping.findForward("listPrizes");
    }

    public ActionForward prepareDelete(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	request.setAttribute("deleteRequest", "deleteRequest");
	return showPrize(mapping, form, request, response);
    }

    public ActionForward deletePrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	if (request.getParameter("confirm") == null) {
	    return showPrize(mapping, form, request, response);
	}

	Prize prize = getPrize(request);
	if (prize.isDeletableByUser((getLoggedPerson(request)))) {
	    try {
		executeService("DeletePrize", new Object[] { prize });
	    } catch (DomainException e) {
		addActionMessage(request, e.getMessage());
	    }
	}
	return listPrizes(mapping, form, request, response);
    }

    public ActionForward editPrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	if (prize != null && prize.isEditableByUser(getLoggedPerson(request))) {
	    request.setAttribute("prize", prize);
	}
	return mapping.findForward("editPrize");
    }

    public ActionForward prepareCreatePrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) {

	request.setAttribute("bean", new PrizeBean(getLoggedPerson(request)));
	return mapping.findForward("createPrize");
    }

    public ActionForward createPrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	IViewState viewState = RenderUtils.getViewState("createPrize");
	if (viewState != null) {
	    PrizeBean bean = (PrizeBean) viewState.getMetaObject().getObject();
	    try {
		CreatePrize.run(bean.getName(), bean.getDescription(), bean.getYear(), bean.getPerson());
	    } catch (DomainException e) {
		addActionMessage(request, e.getMessage());
	    }
	}
	return listPrizes(mapping, form, request, response);
    }

    public ActionForward showPrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	request.setAttribute("prize", prize);
	return mapping.findForward("viewPrize");
    }

    public ActionForward personPostBack(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	ActionForward returnAction = associatePerson(mapping, form, request, response);
	RenderUtils.invalidateViewState("createAssociation");
	return returnAction;
    }

    public ActionForward associatePerson(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	request.setAttribute("prize", prize);

	IViewState viewState = RenderUtils.getViewState("createAssociation");
	PersonNameBean bean = (viewState != null) ? (PersonNameBean) viewState.getMetaObject().getObject() : new PersonNameBean();

	request.setAttribute("bean", bean);
	return mapping.findForward("personAssociation");
    }

    public ActionForward associatePersonToPrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	IViewState viewState = RenderUtils.getViewState("createAssociation");
	if (viewState != null) {
	    PersonNameBean bean = (PersonNameBean) viewState.getMetaObject().getObject();
	    if (bean.isExternal() && bean.getPersonName() == null && request.getParameter("create") == null) {
		request.setAttribute("prompt-creation", "true");
	    } else {
		try {
		    executeService("AddPartyToPrize", new Object[] { bean, prize });
		    RenderUtils.invalidateViewState("createAssociation");
		} catch (DomainException e) {
		    addActionMessage(request, e.getMessage());
		}
	    }
	}

	return associatePerson(mapping, form, request, response);
    }

    public ActionForward removePersonFromPrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	String personID = request.getParameter("pid");
	Person person = (Person) RootDomainObject.readDomainObjectByOID(Person.class, Integer.valueOf(personID));

	if (person != null && prize != null && !prize.isLastParticipation()) {
	    try {
		executeService("RemovePartyFromPrize", new Object[] { person, prize });
	    } catch (DomainException e) {
		addActionMessage(request, e.getMessage());
	    }
	}

	return associatePerson(mapping, form, request, response);
    }

    public ActionForward unitPostBack(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	ActionForward returnAction = associateUnit(mapping, form, request, response);
	RenderUtils.invalidateViewState("createAssociation");
	return returnAction;
    }

    public ActionForward associateUnit(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	request.setAttribute("prize", prize);

	IViewState viewState = RenderUtils.getViewState("createAssociation");
	UnitNameBean bean = (viewState != null) ? (UnitNameBean) viewState.getMetaObject().getObject() : new UnitNameBean();

	request.setAttribute("bean", bean);

	return mapping.findForward("editUnits");
    }

    public ActionForward associateUnitToPrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	IViewState viewState = RenderUtils.getViewState("createAssociation");
	if (viewState != null) {
	    UnitNameBean bean = (UnitNameBean) viewState.getMetaObject().getObject();
	    if (bean.isExternal() && bean.getUnitName() == null && request.getParameter("create") == null) {
		request.setAttribute("prompt-creation", "true");
	    } else {
		try {
		    executeService("AddPartyToPrize", new Object[] { bean, prize });
		    RenderUtils.invalidateViewState("createAssociation");
		} catch (DomainException e) {
		    addActionMessage(request, e.getMessage());
		}
	    }
	}

	return associateUnit(mapping, form, request, response);
    }

    public ActionForward removeUnitFromPrize(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) throws FenixFilterException, FenixServiceException {

	Prize prize = getPrize(request);
	String unitID = request.getParameter("uid");
	Unit unit = (Unit) RootDomainObject.readDomainObjectByOID(Unit.class, Integer.valueOf(unitID));

	if (unit != null && prize != null) {
	    try {
		executeService("RemovePartyFromPrize", new Object[] { unit, prize });
	    } catch (DomainException e) {
		addActionMessage(request, e.getMessage());
	    }
	}

	return associateUnit(mapping, form, request, response);
    }

    private Prize getPrize(HttpServletRequest request) {
	String prizeID = request.getParameter("oid");
	Prize prize = (Prize) RootDomainObject.readDomainObjectByOID(Prize.class, Integer.valueOf(prizeID));
	return prize;
    }

}