/*
 * Created on 21/Ago/2003
 */
package net.sourceforge.fenixedu.presentationTier.Action.manager;

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

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

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

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Iterator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sourceforge.fenixedu.applicationTier.Filtro.exception.FenixFilterException;
import net.sourceforge.fenixedu.applicationTier.Servico.commons.ReadExecutionPeriods;
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.InfoBranch;
import net.sourceforge.fenixedu.dataTransferObject.InfoCurricularCourseScope;
import net.sourceforge.fenixedu.dataTransferObject.InfoCurricularCourseScopeEditor;
import net.sourceforge.fenixedu.dataTransferObject.InfoCurricularSemester;
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 net.sourceforge.fenixedu.util.Data;

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;
import org.apache.struts.validator.DynaValidatorForm;

/**
 * @author lmac1
 */
public class EditCurricularCourseScopeDA extends FenixDispatchAction {

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

	DynaActionForm dynaForm = (DynaActionForm) form;

	Integer degreeCurricularPlanId = Integer.valueOf(request.getParameter("degreeCurricularPlanId"));
	Integer curricularCourseScopeId = Integer.valueOf(request.getParameter("curricularCourseScopeId"));
	InfoCurricularCourseScope oldInfoCurricularCourseScope = null;

	try {
	    oldInfoCurricularCourseScope = (InfoCurricularCourseScope) ReadCurricularCourseScope.run(curricularCourseScopeId);
	} catch (NonExistingServiceException ex) {
	    throw new NonExistingActionException("message.nonExistingCurricularCourseScope", mapping
		    .findForward("readCurricularCourse"));
	} catch (FenixServiceException fenixServiceException) {
	    throw new FenixActionException(fenixServiceException.getMessage());
	}

	if (oldInfoCurricularCourseScope.getBeginDate() != null)
	    dynaForm.set("beginDate", Data.format2DayMonthYear(oldInfoCurricularCourseScope.getBeginDate().getTime(), "/"));
	if (oldInfoCurricularCourseScope.getAnotation() != null)
	    dynaForm.set("anotation", oldInfoCurricularCourseScope.getAnotation());

	dynaForm.set("branchId", oldInfoCurricularCourseScope.getInfoBranch().getIdInternal().toString());
	dynaForm.set("curricularSemesterId", oldInfoCurricularCourseScope.getInfoCurricularSemester().getIdInternal().toString());

	List result = null;
	try {
	    result = (List) ReadBranchesByDegreeCurricularPlan.run(degreeCurricularPlanId);
	} catch (NonExistingServiceException ex) {
	    throw new NonExistingActionException("message.nonExistingDegreeCurricularPlan", mapping.findForward("readDegree"));
	} catch (FenixServiceException e) {
	    throw new FenixActionException(e);
	}

	if (result == null)
	    throw new NonExistingActionException("message.insert.degreeCurricularCourseScope.error", mapping
		    .findForward("readCurricularCourse"));

	// creation of bean of InfoBranches for use in jsp
	List branchesList = new ArrayList();
	InfoBranch infoBranch;
	Iterator iter = result.iterator();
	String label, value;
	while (iter.hasNext()) {
	    infoBranch = (InfoBranch) iter.next();
	    value = infoBranch.getIdInternal().toString();
	    label = infoBranch.getCode() + " - " + infoBranch.getName();
	    branchesList.add(new LabelValueBean(label, value));
	}

	// obtain execution periods to show in jsp
	List<InfoExecutionPeriod> infoExecutionPeriods = null;
	infoExecutionPeriods = ReadExecutionPeriods.run();

	if (infoExecutionPeriods == null)
	    throw new NonExistingActionException("message.insert.executionPeriods.error", mapping
		    .findForward("readCurricularCourse"));

	List executionPeriodsLabels = new ArrayList();
	String labelExecutionPeriod = Data.format2DayMonthYear(oldInfoCurricularCourseScope.getBeginDate().getTime(), "/");
	executionPeriodsLabels.add(new LabelValueBean(labelExecutionPeriod, labelExecutionPeriod));
	for (final InfoExecutionPeriod infoExecutionPeriod : infoExecutionPeriods) {
	    labelExecutionPeriod = Data.format2DayMonthYear(infoExecutionPeriod.getBeginDate(), "/");
	    executionPeriodsLabels.add(new LabelValueBean(labelExecutionPeriod, labelExecutionPeriod));
	}

	request.setAttribute("executionPeriodsLabels", executionPeriodsLabels);
	request.setAttribute("branchesList", branchesList);

	return mapping.findForward("editCurricularCourseScope");
    }

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

	DynaActionForm dynaForm = (DynaValidatorForm) form;

	Integer oldCurricularCourseScopeId = Integer.valueOf(request.getParameter("curricularCourseScopeId"));

	InfoCurricularCourseScopeEditor newInfoCurricularCourseScope = new InfoCurricularCourseScopeEditor();

	String curricularSemesterIdString = (String) dynaForm.get("curricularSemesterId");
	String branchIdString = (String) dynaForm.get("branchId");
	String beginDateString = (String) dynaForm.get("beginDate");
	String anotationString = (String) dynaForm.get("anotation");

	Integer curricularSemesterId = Integer.valueOf(curricularSemesterIdString);

	InfoCurricularSemester infoCurricularSemester = InfoCurricularSemester.newInfoFromDomain(rootDomainObject
		.readCurricularSemesterByOID(curricularSemesterId));
	newInfoCurricularCourseScope.setInfoCurricularSemester(infoCurricularSemester);

	Integer branchId = Integer.valueOf(branchIdString);

	InfoBranch infoBranch = new InfoBranch(rootDomainObject.readBranchByOID(branchId));
	newInfoCurricularCourseScope.setInfoBranch(infoBranch);
	newInfoCurricularCourseScope.setIdInternal(oldCurricularCourseScopeId);

	if (beginDateString.compareTo("") != 0) {
	    Calendar beginDateCalendar = Calendar.getInstance();
	    beginDateCalendar.setTime(Data.convertStringDate(beginDateString, "/"));
	    newInfoCurricularCourseScope.setBeginDate(beginDateCalendar);
	}
	newInfoCurricularCourseScope.setAnotation(anotationString);

	try {
	    EditCurricularCourseScope.run(newInfoCurricularCourseScope);
	} catch (NonExistingServiceException ex) {
	    throw new NonExistingActionException(ex.getMessage(), mapping.findForward("readCurricularCourse"));
	} catch (ExistingServiceException e) {
	    throw new ExistingActionException("message.manager.existing.curricular.course.scope");
	} catch (FenixServiceException fenixServiceException) {
	    throw new FenixActionException(fenixServiceException.getMessage());
	}

	request.setAttribute("infoCurricularCourseScope", newInfoCurricularCourseScope);

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