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

import java.util.Calendar;
import java.util.List;

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

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.applicationTier.Servico.resourceAllocationManager.ReadRoomsWithNoExamsInDayAndBeginning;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants;

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

import pt.ist.fenixWebFramework.security.UserView;

/**
 * @author Luis Cruz e Sara Ribeiro
 */
public class ViewEmptyRoomsInDayAndShiftAction extends Action {

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

	IUserView userView = UserView.getUser();

	Calendar dateAndTime = (Calendar) request.getAttribute(PresentationConstants.EXAM_DATEANDTIME);

	Calendar date = Calendar.getInstance();
	Calendar time = Calendar.getInstance();

	date.set(Calendar.DAY_OF_MONTH, dateAndTime.get(Calendar.DAY_OF_MONTH));
	date.set(Calendar.MONTH, dateAndTime.get(Calendar.MONTH));
	date.set(Calendar.YEAR, dateAndTime.get(Calendar.YEAR));
	date.set(Calendar.HOUR_OF_DAY, 0);
	date.set(Calendar.MINUTE, 0);
	date.set(Calendar.SECOND, 0);

	time.set(Calendar.DAY_OF_MONTH, 1);
	time.set(Calendar.MONTH, 1);
	time.set(Calendar.YEAR, 1970);
	time.set(Calendar.HOUR_OF_DAY, dateAndTime.get(Calendar.HOUR_OF_DAY));
	time.set(Calendar.MINUTE, 0);
	time.set(Calendar.SECOND, 0);

	// Chamar servico que vai ler salas vazias no dia escolhido

	List infoRoomsList = (List) ReadRoomsWithNoExamsInDayAndBeginning.run(date, time);

	if (infoRoomsList != null && infoRoomsList.isEmpty()) {
	    request.removeAttribute(PresentationConstants.INFO_EMPTY_ROOMS_KEY);
	} else {
	    request.setAttribute(PresentationConstants.INFO_EMPTY_ROOMS_KEY, infoRoomsList);
	    request.setAttribute("dateAndTime", request.getAttribute(PresentationConstants.EXAM_DATEANDTIME_STR));
	}

	return mapping.findForward("View");
    }
}