/*
 * Created on 6/Mar/2003
 *
 */
package net.sourceforge.fenixedu.presentationTier.Action.publico;

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

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

import net.sourceforge.fenixedu.applicationTier.Servico.commons.ReadNotClosedPublicExecutionPeriods;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionPeriod;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixContextDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.util.LabelValueBean;

/**
 * @author Nuno Nunes & David Santos
 * 
 */

public class InitiateSessionDispatchAction extends FenixContextDispatchAction {

    public ActionForward prepare(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
	    throws Exception {

	/* Set in request ExecutionPeriods bean */

	List executionPeriods;
	executionPeriods = ReadNotClosedPublicExecutionPeriods.run();
	List executionPeriodsLabelValueList = new ArrayList();
	for (int i = 0; i < executionPeriods.size(); i++) {
	    InfoExecutionPeriod infoExecutionPeriod = (InfoExecutionPeriod) executionPeriods.get(i);
	    executionPeriodsLabelValueList.add(new LabelValueBean(infoExecutionPeriod.getName() + " - "
		    + infoExecutionPeriod.getInfoExecutionYear().getYear(), "" + i));
	}
	if (executionPeriodsLabelValueList.size() > 1) {
	    request.setAttribute(PresentationConstants.LABELLIST_EXECUTIONPERIOD, executionPeriodsLabelValueList);
	} else {
	    request.removeAttribute(PresentationConstants.LABELLIST_EXECUTIONPERIOD);
	}
	/* ------------------------------------ */

	// If executionPeriod was previously selected,form has that value as
	// default
	InfoExecutionPeriod selectedExecutionPeriod = (InfoExecutionPeriod) request
		.getAttribute(PresentationConstants.EXECUTION_PERIOD);

	if (selectedExecutionPeriod != null) {
	    DynaActionForm indexForm = (DynaActionForm) form;
	    indexForm.set("index", Integer.valueOf(executionPeriods.indexOf((selectedExecutionPeriod))));
	}
	// ----------------------------------------------------------

	return mapping.findForward("showForm");
    }

    public ActionForward choose(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
	    throws Exception {
	DynaActionForm indexForm = (DynaActionForm) form;

	List infoExecutionPeriods;
	infoExecutionPeriods = ReadNotClosedPublicExecutionPeriods.run();

	Integer index = (Integer) indexForm.get("index");
	if (infoExecutionPeriods != null && index != null) {
	    InfoExecutionPeriod selectedExecutionPeriod = (InfoExecutionPeriod) infoExecutionPeriods.get(index.intValue());

	    // Set selected executionPeriod in request
	    request.setAttribute(PresentationConstants.EXECUTION_PERIOD, selectedExecutionPeriod);
	    request.setAttribute(PresentationConstants.EXECUTION_PERIOD_OID, selectedExecutionPeriod.getIdInternal().toString());
	}

	return mapping.findForward("choose");
    }

}