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

import java.util.ArrayList;
import java.util.Iterator;
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.dataTransferObject.InfoExecutionCourse;
import net.sourceforge.fenixedu.dataTransferObject.InfoTeacher;
import net.sourceforge.fenixedu.dataTransferObject.teacher.InfoNonAffiliatedTeacher;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.ServiceUtils;

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 pt.ist.fenixWebFramework.security.UserView;

/**
 * @author lmac1
 */
public class ReadTeacherInChargeAction extends FenixAction {

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

	IUserView userView = UserView.getUser();
	Integer executionCourseId = Integer.valueOf(request.getParameter("executionCourseId"));

	Object args[] = { executionCourseId };

	InfoExecutionCourse infoExecutionCourse = null;
	try {
	    infoExecutionCourse = (InfoExecutionCourse) ServiceUtils.executeService("ReadExecutionCourseManagerByID", args);

	} catch (FenixServiceException fenixServiceException) {
	    throw new FenixActionException(fenixServiceException.getMessage());
	}

	List infoTeachersList = null;

	try {
	    infoTeachersList = (List) ServiceUtils.executeService("ReadExecutionCourseTeachers", args);

	} catch (FenixServiceException fenixServiceException) {
	    throw new FenixActionException(fenixServiceException.getMessage());
	}

	List infoNonAffiliatedTeachers = infoExecutionCourse.getNonAffiliatedTeachers();
	if (infoTeachersList != null) {
	    List<Integer> teachersIds = new ArrayList<Integer>();
	    Integer teacherId;
	    Iterator iter = infoTeachersList.iterator();
	    while (iter.hasNext()) {
		teacherId = ((InfoTeacher) iter.next()).getIdInternal();
		teachersIds.add(teacherId);
	    }

	    Integer[] professorShipTeachersIds = (Integer[]) teachersIds.toArray(new Integer[] {});
	    DynaActionForm newForm = (DynaActionForm) form;
	    newForm.set("professorShipTeachersIds", professorShipTeachersIds);

	    List<Integer> nonAffiliatedTeacherIDs = new ArrayList<Integer>();
	    Integer nonAffiliatedTeacherID;

	    if (infoNonAffiliatedTeachers != null) {
		for (Iterator iterator = infoNonAffiliatedTeachers.iterator(); iterator.hasNext();) {
		    InfoNonAffiliatedTeacher infoNonAffiliatedTeacher = (InfoNonAffiliatedTeacher) iterator.next();
		    nonAffiliatedTeacherID = infoNonAffiliatedTeacher.getIdInternal();
		    nonAffiliatedTeacherIDs.add(nonAffiliatedTeacherID);
		}

		Integer[] nonAffiliatedTeacherArrayIDs = (Integer[]) nonAffiliatedTeacherIDs.toArray(new Integer[] {});
		newForm.set("nonAffiliatedTeachersIds", nonAffiliatedTeacherArrayIDs);
	    }

	    List<Integer> responsiblesIds = null;
	    try {
		responsiblesIds = (List<Integer>) ServiceUtils.executeService("ReadExecutionCourseResponsiblesIds", args);

	    } catch (FenixServiceException fenixServiceException) {
		throw new FenixActionException(fenixServiceException.getMessage());
	    }

	    Integer[] responsibleTeachersIds = (Integer[]) responsiblesIds.toArray(new Integer[] {});
	    newForm.set("responsibleTeachersIds", responsibleTeachersIds);
	    request.setAttribute("infoTeachersList", infoTeachersList);
	    request.setAttribute("infoNonAffiliatedTeachers", infoNonAffiliatedTeachers);

	}
	request.setAttribute("executionCourseName", infoExecutionCourse.getNome());
	return mapping.findForward("readExecutionCourseTeachers");
    }

}