/*
 * Created on 2003/07/16
 *  
 */
package net.sourceforge.fenixedu.presentationTier.Action.manager;

import net.sourceforge.fenixedu.applicationTier.Servico.manager.AlterExecutionPeriodState;

import java.util.Collections;
import java.util.List;

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

import net.sourceforge.fenixedu.applicationTier.Servico.commons.ReadExecutionPeriods;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidArgumentsServiceException;
import net.sourceforge.fenixedu.domain.ExecutionSemester;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.ServiceUtils;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants;
import net.sourceforge.fenixedu.util.PeriodState;

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

/**
 * @author Luis Crus & Sara Ribeiro
 */
public class ManageExecutionPeriodsDA extends FenixDispatchAction {

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

	List infoExecutionPeriods = ReadExecutionPeriods.run();

	if (infoExecutionPeriods != null && !infoExecutionPeriods.isEmpty()) {

	    Collections.sort(infoExecutionPeriods);

	    if (infoExecutionPeriods != null && !infoExecutionPeriods.isEmpty()) {
		request.setAttribute(PresentationConstants.LIST_EXECUTION_PERIODS, infoExecutionPeriods);
	    }

	}

	return mapping.findForward("Manage");
    }

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

	final String year = request.getParameter("year");
	final Integer semester = Integer.valueOf(request.getParameter("semester"));
	final String periodStateToSet = request.getParameter("periodState");
	final PeriodState periodState = new PeriodState(periodStateToSet);

	try {
	    AlterExecutionPeriodState.run(year, semester, periodState);
	} catch (InvalidArgumentsServiceException ex) {
	    throw new FenixActionException("errors.nonExisting.executionPeriod", ex);
	}

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

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

	final String idInternal = request.getParameter("executionPeriodID");
	ExecutionSemester executionSemester = (ExecutionSemester) rootDomainObject.readExecutionIntervalByOID(Integer
		.valueOf(idInternal));
	request.setAttribute("executionPeriod", executionSemester);
	return mapping.findForward("EditExecutionPeriod");
    }

}