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

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

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

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

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.ExistingServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidArgumentsServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidChangeServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidSituationServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidStudentNumberServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NotAuthorizedException;
import net.sourceforge.fenixedu.dataTransferObject.InfoShift;
import net.sourceforge.fenixedu.dataTransferObject.InfoSiteShifts;
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;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.util.LabelValueBean;

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

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

	IUserView userView = getUserView(request);

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

	try {
	    VerifyStudentGroupAtributes.run(groupPropertiesCode, null, studentGroupCode, userView.getUtilizador(), Integer
		    .valueOf(4));

	} catch (NotAuthorizedException e) {
	    ActionErrors actionErrors2 = new ActionErrors();
	    ActionError error2 = null;
	    error2 = new ActionError("errors.noStudentInAttendsSet");
	    actionErrors2.add("errors.noStudentInAttendsSet", error2);
	    saveErrors(request, actionErrors2);
	    return mapping.findForward("insucess");
	} catch (ExistingServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("error.noProject");
	    actionErrors.add("error.noProject", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewExecutionCourseProjects");
	} catch (InvalidSituationServiceException e) {
	    ActionErrors actionErrors1 = new ActionErrors();
	    ActionError error1 = null;
	    error1 = new ActionError("errors.editStudentGroupShift.notEnroled");
	    actionErrors1.add("errors.editStudentGroupShift.notEnroled", error1);
	    saveErrors(request, actionErrors1);
	    return mapping.findForward("viewStudentGroupInformation");

	} catch (InvalidChangeServiceException e) {
	    ActionErrors actionErrors2 = new ActionErrors();
	    ActionError error2 = null;
	    error2 = new ActionError("error.GroupPropertiesShiftTypeChanged");
	    actionErrors2.add("error.GroupPropertiesShiftTypeChanged", error2);
	    saveErrors(request, actionErrors2);
	    return mapping.findForward("viewShiftsAndGroups");
	} catch (FenixServiceException e) {
	    ActionErrors actionErrors2 = new ActionErrors();
	    ActionError error2 = null;
	    error2 = new ActionError("error.noGroup");
	    actionErrors2.add("error.noGroup", error2);
	    saveErrors(request, actionErrors2);
	    return mapping.findForward("viewShiftsAndGroups");
	}

	InfoSiteShifts infoSiteShifts = null;

	try {
	    infoSiteShifts = (InfoSiteShifts) ReadGroupingShifts.run(groupPropertiesCode, studentGroupCode);

	} catch (ExistingServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("error.noProject");
	    actionErrors.add("error.noProject", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewExecutionCourseProjects");
	} 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);
	}

	List shifts = infoSiteShifts.getShifts();

	if (shifts.size() == 0) {
	    ActionErrors actionErrors3 = new ActionErrors();
	    ActionError error3 = null;
	    // Create an ACTION_ERROR
	    error3 = new ActionError("errors.editStudentGroupShift.allShiftsFull");
	    actionErrors3.add("errors.editStudentGroupShift.allShiftsFull", error3);
	    saveErrors(request, actionErrors3);
	    request.setAttribute("groupPropertiesCode", groupPropertiesCode);
	    return mapping.findForward("viewStudentGroupInformation");
	}

	ArrayList shiftsList = new ArrayList();
	InfoShift oldInfoShift = infoSiteShifts.getOldShift();
	if (shifts.size() != 0) {
	    shiftsList.add(new LabelValueBean("(escolher)", ""));
	    InfoShift infoShift;
	    Iterator iter = shifts.iterator();
	    String label, value;
	    List shiftValues = new ArrayList();
	    while (iter.hasNext()) {
		infoShift = (InfoShift) iter.next();
		value = infoShift.getIdInternal().toString();
		shiftValues.add(value);
		label = infoShift.getNome();
		shiftsList.add(new LabelValueBean(label, value));
	    }
	    if (shiftsList.size() == 1 && shiftValues.contains(oldInfoShift.getIdInternal().toString())) {
		ActionErrors actionErrors4 = new ActionErrors();
		ActionError error4 = null;
		error4 = new ActionError("errors.editStudentGroupShift.allShiftsFull");
		actionErrors4.add("errors.editStudentGroupShift.allShiftsFull", error4);
		saveErrors(request, actionErrors4);
		return mapping.findForward("viewStudentGroupInformation");
	    }
	    request.setAttribute("shiftsList", shiftsList);
	}

	request.setAttribute("shift", oldInfoShift);

	return mapping.findForward("sucess");

    }

    public ActionForward edit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
	    throws FenixActionException, FenixFilterException {
	DynaActionForm editStudentGroupForm = (DynaActionForm) form;

	IUserView userView = getUserView(request);

	String studentGroupCodeString = request.getParameter("studentGroupCode");
	String groupPropertiesCodeString = request.getParameter("groupPropertiesCode");
	Integer groupPropertiesCode = Integer.valueOf(groupPropertiesCodeString);
	Integer studentGroupCode = Integer.valueOf(studentGroupCodeString);
	String newShiftString = (String) editStudentGroupForm.get("shift");

	if (newShiftString.equals("")) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("errors.invalid.shift.groupEnrolment");
	    actionErrors.add("errors.invalid.shift.groupEnrolment", error);
	    saveErrors(request, actionErrors);
	    return prepareEdit(mapping, form, request, response);

	}
	Integer newShiftCode = Integer.valueOf(newShiftString);

	try {
	    EditGroupShift.run(studentGroupCode, groupPropertiesCode, newShiftCode, userView.getUtilizador());
	} catch (NotAuthorizedException e) {
	    ActionErrors actionErrors2 = new ActionErrors();
	    ActionError error2 = null;
	    error2 = new ActionError("errors.noStudentInAttendsSet");
	    actionErrors2.add("errors.noStudentInAttendsSet", error2);
	    saveErrors(request, actionErrors2);
	    return mapping.findForward("insucess");
	} catch (ExistingServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("error.noProject");
	    actionErrors.add("error.noProject", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewExecutionCourseProjects");
	} catch (InvalidArgumentsServiceException 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 (InvalidSituationServiceException e) {
	    ActionErrors actionErrors = new ActionErrors();
	    ActionError error = null;
	    error = new ActionError("errors.editStudentGroupShift.notEnroled");
	    actionErrors.add("errors.editStudentGroupShift.notEnroled", error);
	    saveErrors(request, actionErrors);
	    return mapping.findForward("viewStudentGroupInformation");

	} catch (InvalidChangeServiceException e) {
	    ActionErrors actionErrors3 = new ActionErrors();
	    ActionError error3 = null;
	    // Create an ACTION_ERROR
	    error3 = new ActionError("errors.editStudentGroupShift.shiftFull");
	    actionErrors3.add("errors.editStudentGroupShift.shiftFull", error3);
	    saveErrors(request, actionErrors3);
	    return mapping.findForward("viewStudentGroupInformation");

	} catch (InvalidStudentNumberServiceException e) {
	    ActionErrors actionErrors3 = new ActionErrors();
	    ActionError error3 = null;
	    error3 = new ActionError("error.GroupPropertiesShiftTypeChanged");
	    actionErrors3.add("error.GroupPropertiesShiftTypeChanged", error3);
	    saveErrors(request, actionErrors3);
	    return mapping.findForward("viewShiftsAndGroups");

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