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

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

import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.contactsManagement.PartyContactBean.AvailableContact;

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

import pt.ist.fenixWebFramework.renderers.utils.RenderUtils;
import pt.ist.fenixWebFramework.services.Service;

public abstract class ContactsConfiguration extends FenixDispatchAction {

    protected static final String ERROR_OPERATOR_CONTACTS_MANAGEMENT_TO_ADD_A_PHONE_FIRST_ADD_AN_INTERNAL_PHONE = "error.operator.contactsManagement.toAddAPhoneFirstAddAnInternalPhone";
    protected static final String ERROR_OPERATOR_CONTACTS_MANAGEMENT_ONLY_ONE_POSTBOX = "error.operator.contactsManagement.onlyOnePostBox";
    protected static final String ERROR_OPERATOR_CONTACTS_MANAGEMENT_ONLY_ONE_PHYSICAL_DELIVERY_ADDRESS = "error.operator.contactsManagement.onlyOnePhysicalDeliveryAddress";

    public ActionForward addContact(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
	    HttpServletResponse response) {

	PartyContactsHolder holder = (PartyContactsHolder) getRenderedObject("bean");
	AvailableContact availableContact = AvailableContact.valueOf(request.getParameter("type"));

	if (availableContact == AvailableContact.PHONE && !holder.isAllowedToAddPhone()) {
	    addActionMessage(request, ERROR_OPERATOR_CONTACTS_MANAGEMENT_TO_ADD_A_PHONE_FIRST_ADD_AN_INTERNAL_PHONE);
	} else if (availableContact == AvailableContact.PHYSICAL_DELIVERY && !holder.isAllowedToAddPhysicalDeliveryAddress()) {
	    addActionMessage(request, ERROR_OPERATOR_CONTACTS_MANAGEMENT_ONLY_ONE_PHYSICAL_DELIVERY_ADDRESS);
	} else if (availableContact == availableContact.POST_BOX && !holder.isAllowedToAddPostBox()) {
	    addActionMessage(request, ERROR_OPERATOR_CONTACTS_MANAGEMENT_ONLY_ONE_POSTBOX);
	} else {
	    addNewContact(holder, availableContact);
	}

	request.setAttribute("editMode", Boolean.TRUE);
	request.setAttribute("bean", holder);
	RenderUtils.invalidateViewState();
	return forwardToDetails(mapping, request);
    }

    private void addNewContact(PartyContactsHolder holder, AvailableContact availableContact) {
	holder.addNewContact(availableContact);
    }

    public ActionForward removeContact(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
	    HttpServletResponse response) {

	PartyContactsHolder holder = (PartyContactsHolder) getRenderedObject("bean");
	removeIndex(holder, Integer.valueOf(request.getParameter("index")));

	request.setAttribute("editMode", Boolean.TRUE);
	request.setAttribute("bean", holder);
	RenderUtils.invalidateViewState();
	return forwardToDetails(mapping, request);
    }

    private void removeIndex(PartyContactsHolder holder, int index) {
	holder.removeContact(index);
    }

    public ActionForward saveContacts(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
	    HttpServletResponse response) {

	PartyContactsHolder holder = (PartyContactsHolder) getRenderedObject("bean");
	try {
	    persist(holder);
	} catch (DomainException e) {
	    request.setAttribute("editMode", Boolean.TRUE);
	    addActionMessage(request, e.getMessage());
	    holder = new PartyContactsHolder(holder.getParty());
	    RenderUtils.invalidateViewState();
	}
	request.setAttribute("bean", holder);
	return forwardToDetails(mapping, request);
    }

    @Service
    private void persist(PartyContactsHolder holder) {
	holder.persist();
    }

    protected abstract ActionForward forwardToDetails(ActionMapping mapping, HttpServletRequest request);
}