/*
 * Created on 9/Set/2003
 */
package net.sourceforge.fenixedu.presentationTier.Action.manager;

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

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

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.ExistingServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NonExistingServiceException;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionCourse;
import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionPeriod;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.ExistingActionException;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.NonExistingActionException;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.ServiceUtils;

import org.apache.commons.beanutils.BeanComparator;
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 AssociateExecutionCourseToCurricularCourseDA extends FenixDispatchAction {

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

	IUserView userView = UserView.getUser();

	Integer executionPeriodId = Integer.valueOf(request.getParameter("executionPeriodId"));

	List infoExecutionCoursesList = null;
	try {
	    infoExecutionCoursesList = (List) ReadExecutionCoursesByExecutionPeriod.run(executionPeriodId);

	} catch (NonExistingServiceException e) {
	    throw new NonExistingActionException(e.getMessage(), mapping.findForward("readAvailableExecutionPeriods"));
	} catch (FenixServiceException fenixServiceException) {
	    throw new FenixActionException(fenixServiceException);
	}

	Collections.sort(infoExecutionCoursesList, new BeanComparator("nome"));

	InfoExecutionPeriod infoExecutionPeriod = ((InfoExecutionCourse) infoExecutionCoursesList.get(0))
		.getInfoExecutionPeriod();

	String ExecutionPeriodNameAndYear = new String(infoExecutionPeriod.getName() + "-"
		+ infoExecutionPeriod.getInfoExecutionYear().getYear());
	request.setAttribute("executionPeriodNameAndYear", ExecutionPeriodNameAndYear);
	request.setAttribute("name", "associate");
	request.setAttribute("infoExecutionCoursesList", infoExecutionCoursesList);

	return mapping.findForward("viewExecutionCoursesToAssociate");
    }

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

	IUserView userView = UserView.getUser();

	DynaActionForm associateForm = (DynaActionForm) form;

	Integer curricularCourseId = Integer.valueOf(request.getParameter("curricularCourseId"));
	Integer executionPeriodId = Integer.valueOf(request.getParameter("executionPeriodId"));
	if (associateForm.get("executionCourseId") == null)
	    return mapping.findForward("viewExecutionCoursesToAssociate");

	Integer executionCourseId = Integer.valueOf((String) associateForm.get("executionCourseId"));

	try {
	    AssociateExecutionCourseToCurricularCourse.run(executionCourseId, curricularCourseId, executionPeriodId);
	} catch (ExistingServiceException e) {
	    throw new ExistingActionException(e.getMessage(), mapping.findForward("readAvailableExecutionPeriods"));
	} catch (NonExistingServiceException ex) {
	    if (ex.getMessage().equals("message.nonExistingCurricularCourse"))
		throw new NonExistingActionException(ex.getMessage(), mapping.findForward("readDegreeCurricularPlan"));
	    else if (ex.getMessage().equals("message.nonExisting.executionCourse"))
		throw new NonExistingActionException(ex.getMessage(), "");
	    else
		throw new NonExistingActionException(ex.getMessage(), mapping.findForward("readAvailableExecutionPeriods"));
	} catch (FenixServiceException fenixServiceException) {
	    throw new FenixActionException(fenixServiceException);
	}

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