/*
 * Created on 27/Ago/2003
 *
 */
package net.sourceforge.fenixedu.presentationTier.Action.student;

import net.sourceforge.fenixedu.applicationTier.Servico.student.UnEnrollStudentInGroup;

import net.sourceforge.fenixedu.applicationTier.Servico.student.ReadStudentGroupInformation;

import net.sourceforge.fenixedu.applicationTier.Servico.student.VerifyStudentGroupAtributes;

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.exceptions.InvalidArgumentsServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidSituationServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NotAuthorizedException;
import net.sourceforge.fenixedu.dataTransferObject.ISiteComponent;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteStudentGroup;
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 org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @author asnr and scpo
 * 
 */
public class UnEnrollStudentInGroupDispatchAction extends FenixDispatchAction {

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

	IUserView userView = getUserView(request);

	String studentGroupCodeString = request.getParameter("studentGroupCode");

	Integer studentGroupCode = Integer.valueOf(studentGroupCodeString);

	String shiftCodeString = request.getParameter("shiftCode");
	request.setAttribute("shiftCode", shiftCodeString);

	try {
	    VerifyStudentGroupAtributes.run(null, null, studentGroupCode, userView.getUtilizador(), Integer.valueOf(3));

	} catch (NotAuthorizedException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("errors.noStudentInAttendsSetToDelete");
	    actionErrors.add("errors.noStudentInAttendsSetToDelete", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("insucess");

	} catch (InvalidSituationServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    // Create an ACTION_ERROR
	    error = new ActionError("errors.removeEnrolment.studentNotEnroled");
	    actionErrors.add("errors.removeEnrolment.studentNotEnroled", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewStudentGroupInformation");

	} catch (InvalidArgumentsServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    // Create an ACTION_ERROR
	    error = new ActionError("errors.removeEnrolment.minimumNumberOfElements");
	    actionErrors.add("errors.removeEnrolment.minimumNumberOfElements", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewStudentGroupInformation");

	} catch (FenixServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("error.noGroup");
	    actionErrors.add("error.noGroup", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewShiftsAndGroups");
	}

	ISiteComponent viewStudentGroup;

	try {
	    viewStudentGroup = (InfoSiteStudentGroup) ReadStudentGroupInformation.run(studentGroupCode);

	} catch (InvalidSituationServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("error.noGroup");
	    actionErrors.add("error.noGroup", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewShiftsAndGroups");
	} catch (FenixServiceException e) {
	    throw new FenixActionException(e);
	}

	InfoSiteStudentGroup infoSiteStudentGroup = (InfoSiteStudentGroup) viewStudentGroup;

	request.setAttribute("infoSiteStudentGroup", infoSiteStudentGroup);

	return mapping.findForward("sucess");
    }

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

	IUserView userView = getUserView(request);
	String userName = userView.getUtilizador();

	String studentGroupCodeString = request.getParameter("studentGroupCode");
	Integer studentGroupCode = Integer.valueOf(studentGroupCodeString);

	Boolean shiftWithGroups;
	try {
	    shiftWithGroups = (Boolean) UnEnrollStudentInGroup.run(userName, studentGroupCode);

	} catch (NotAuthorizedException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("errors.noStudentInAttendsSetToDelete");
	    actionErrors.add("errors.noStudentInAttendsSetToDelete", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("insucess");

	} catch (InvalidSituationServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("error.noGroup");
	    actionErrors.add("error.noGroup", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewShiftsAndGroups");

	} catch (InvalidArgumentsServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("errors.removeEnrolment.studentNotEnroled");
	    actionErrors.add("errors.removeEnrolment.studentNotEnroled", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewStudentGroupInformation");

	} catch (FenixServiceException e) {
	    throw new FenixActionException(e);
	}
	if (!shiftWithGroups.booleanValue())
	    return mapping.findForward("viewShiftsAndGroups");

	return mapping.findForward("viewStudentGroupInformation");

    }

}