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

import java.util.Collections;
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.Filtro.exception.FenixFilterException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.teacher.SelectExportExecutionCourse;
import net.sourceforge.fenixedu.dataTransferObject.ISiteComponent;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionDegree;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionPeriod;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteCommon;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteSection;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteShiftsAndGroups;
import net.sourceforge.fenixedu.dataTransferObject.SiteView;
import net.sourceforge.fenixedu.dataTransferObject.TeacherAdministrationSiteView;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixContextAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.RequestUtils;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.ServiceUtils;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants;

import org.apache.commons.beanutils.BeanComparator;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @author joaosa & rmalo
 */
public class PrepareSelectExecutionCourseAction extends FenixContextAction {

    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
	    throws FenixActionException, FenixFilterException {
	try {
	    super.execute(mapping, form, request, response);
	} catch (Exception e1) {
	    e1.printStackTrace();
	}

	String groupPropertiesCodeString = request.getParameter("groupPropertiesCode");
	Integer groupPropertiesCode = Integer.valueOf(groupPropertiesCodeString);
	ISiteComponent shiftsAndGroupsView = new InfoSiteShiftsAndGroups();
	readSiteView(request, shiftsAndGroupsView, null, groupPropertiesCode, null);

	InfoExecutionPeriod infoExecutionPeriod = (InfoExecutionPeriod) request
		.getAttribute(PresentationConstants.EXECUTION_PERIOD);

	InfoExecutionDegree infoExecutionDegree = RequestUtils.getExecutionDegreeFromRequest(request, infoExecutionPeriod
		.getInfoExecutionYear());

	Integer curricularYear = (Integer) request.getAttribute("curYear");

	List infoExecutionCourses = (List) SelectExportExecutionCourse.run(infoExecutionDegree, infoExecutionPeriod,
		curricularYear);
	Collections.sort(infoExecutionCourses, new BeanComparator("nome"));
	request.setAttribute("exeCourseList", infoExecutionCourses);
	return mapping.findForward("sucess");
    }

    private SiteView readSiteView(HttpServletRequest request, ISiteComponent firstPageComponent, Integer infoExecutionCourseCode,
	    Object obj1, Object obj2) throws FenixActionException, FenixFilterException {

	IUserView userView = getUserView(request);

	Integer objectCode = null;
	if (infoExecutionCourseCode == null) {
	    objectCode = getObjectCode(request);
	    infoExecutionCourseCode = objectCode;
	}

	ISiteComponent commonComponent = new InfoSiteCommon();
	Object[] args = { infoExecutionCourseCode, commonComponent, firstPageComponent, objectCode, obj1, obj2 };

	try {
	    TeacherAdministrationSiteView siteView = (TeacherAdministrationSiteView) ServiceUtils.executeService(
		    "TeacherAdministrationSiteComponentService", args);
	    request.setAttribute("siteView", siteView);
	    request.setAttribute("objectCode", ((InfoSiteCommon) siteView.getCommonComponent()).getExecutionCourse()
		    .getIdInternal());
	    if (siteView.getComponent() instanceof InfoSiteSection) {
		request.setAttribute("infoSection", ((InfoSiteSection) siteView.getComponent()).getSection());
	    }

	    return siteView;

	} catch (FenixServiceException e) {
	    throw new FenixActionException(e);
	}

    }

    private Integer getObjectCode(HttpServletRequest request) {
	Integer objectCode = null;
	String objectCodeString = request.getParameter("objectCode");
	if (objectCodeString == null) {
	    objectCodeString = (String) request.getAttribute("objectCode");
	}
	if (objectCodeString != null) {
	    objectCode = Integer.valueOf(objectCodeString);
	}
	return objectCode;
    }

}