/**
 * 
 */
package net.sourceforge.fenixedu.presentationTier.Action.candidate;

import java.util.ArrayList;
import java.util.List;

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.candidacy.CandidacyDocumentUploadBean;
import net.sourceforge.fenixedu.domain.candidacy.Candidacy;
import net.sourceforge.fenixedu.domain.candidacy.CandidacyDocument;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.ServiceUtils;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.SessionUtils;
import net.sourceforge.fenixedu.renderers.utils.RenderUtils;

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

import pt.utl.ist.fenix.tools.file.FileManagerFactory;

/**
 * @author - Shezad Anavarali (shezad@ist.utl.pt)
 * 
 */
public class ViewCandidaciesDsipatchAction extends FenixDispatchAction {

    public ActionForward prepare(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) {
	return mapping.findForward("view");
    }

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

	final Candidacy candidacy = getCandidacy(request);
	request.setAttribute("canChangePersonalData", candidacy.getActiveCandidacySituation()
		.canChangePersonalData());
	request.setAttribute("candidacy", candidacy);

	return mapping.findForward("viewDetail");
    }

    private Candidacy getCandidacy(HttpServletRequest request) {
	final Integer candidacyID = Integer.valueOf(request.getParameter("candidacyID"));
	for (final Candidacy candidacy : getUserView(request).getPerson().getCandidaciesSet()) {
	    if (candidacy.getIdInternal().equals(candidacyID)) {
		return candidacy;
	    }
	}

	return null;
    }

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

	fillRequest(request, getCandidacy(request));

	return mapping.findForward("uploadDocuments");
    }

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

	List<CandidacyDocumentUploadBean> beans = (List<CandidacyDocumentUploadBean>) RenderUtils
		.getViewState("candidacyDocuments").getMetaObject().getObject();

	Object[] args = { beans };
	ServiceUtils.executeService(SessionUtils.getUserView(request), "SaveCandidacyDocumentFiles",
		args);

	fillRequest(request, getCandidacy(beans));

	return mapping.findForward("uploadDocuments");
    }

    private void fillRequest(HttpServletRequest request, Candidacy candidacy) {
	if (RenderUtils.getViewState("candidacyDocuments") != null) {
	    RenderUtils.invalidateViewState("candidacyDocuments");
	}
	List<CandidacyDocumentUploadBean> candidacyDocuments = new ArrayList<CandidacyDocumentUploadBean>();
	for (CandidacyDocument candidacyDocument : candidacy.getCandidacyDocuments()) {
	    candidacyDocuments.add(new CandidacyDocumentUploadBean(candidacyDocument));
	}

	request.setAttribute("candidacyDocuments", candidacyDocuments);
	request.setAttribute("candidacy", candidacy);
    }

    private Candidacy getCandidacy(List<CandidacyDocumentUploadBean> beans) {
	if (!beans.isEmpty()) {
	    return beans.get(0).getCandidacyDocument().getCandidacy();
	}
	return null;
    }
}