/*
 * Created on 5/Ago/2003
 */
package net.sourceforge.fenixedu.presentationTier.Action.manager;

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

import java.util.Calendar;

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.InfoDegree;
import net.sourceforge.fenixedu.dataTransferObject.InfoDegreeCurricularPlan;
import net.sourceforge.fenixedu.dataTransferObject.InfoDegreeCurricularPlanEditor;
import net.sourceforge.fenixedu.domain.Degree;
import net.sourceforge.fenixedu.domain.DegreeCurricularPlan;
import net.sourceforge.fenixedu.domain.GradeScale;
import net.sourceforge.fenixedu.domain.degree.degreeCurricularPlan.DegreeCurricularPlanState;
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.InvalidArgumentsActionException;
import net.sourceforge.fenixedu.presentationTier.Action.exceptions.NonExistingActionException;
import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.ServiceUtils;
import net.sourceforge.fenixedu.util.MarkType;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.validator.DynaValidatorForm;
import org.joda.time.YearMonthDay;

import pt.ist.fenixWebFramework.security.UserView;

/**
 * @author lmac1
 */

public class EditDegreeCurricularPlanDispatchAction extends FenixDispatchAction {

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

	IUserView userView = UserView.getUser();
	DynaActionForm dynaForm = (DynaActionForm) form;

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

	InfoDegreeCurricularPlan oldInfoDegreeCP = null;

	Object args[] = { degreeCurricularPlanId };

	try {
	    oldInfoDegreeCP = (InfoDegreeCurricularPlan) ServiceUtils.executeService("ReadDegreeCurricularPlan", args);

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

	dynaForm.set("name", oldInfoDegreeCP.getName());
	dynaForm.set("state", oldInfoDegreeCP.getState().toString());

	DegreeCurricularPlan oldDegreeCP = oldInfoDegreeCP.getDegreeCurricularPlan();

	if (oldDegreeCP.getInitialDateYearMonthDay() != null) {
	    YearMonthDay ymd = oldDegreeCP.getInitialDateYearMonthDay();
	    String initialDateString = ymd.getDayOfMonth() + "/" + ymd.getMonthOfYear() + "/" + ymd.getYear();

	    dynaForm.set("initialDate", initialDateString);
	}

	if (oldDegreeCP.getEndDateYearMonthDay() != null) {
	    YearMonthDay ymd = oldDegreeCP.getEndDateYearMonthDay();
	    String endDateString = ymd.getDayOfMonth() + "/" + ymd.getMonthOfYear() + "/" + ymd.getYear();

	    dynaForm.set("endDate", endDateString);
	}

	if (oldInfoDegreeCP.getDegreeDuration() != null) {
	    dynaForm.set("degreeDuration", oldInfoDegreeCP.getDegreeDuration().toString());
	}
	if (oldInfoDegreeCP.getMinimalYearForOptionalCourses() != null) {
	    dynaForm.set("minimalYearForOptionalCourses", oldInfoDegreeCP.getMinimalYearForOptionalCourses().toString());
	}

	if (oldInfoDegreeCP.getNeededCredits() != null)
	    dynaForm.set("neededCredits", oldInfoDegreeCP.getNeededCredits().toString());

	dynaForm.set("markType", oldInfoDegreeCP.getMarkType().getType().toString());

	if (oldInfoDegreeCP.getGradeScale() != null) {
	    dynaForm.set("gradeType", oldInfoDegreeCP.getGradeScale().toString());
	}

	if (oldInfoDegreeCP.getNumerusClausus() != null)
	    dynaForm.set("numerusClausus", oldInfoDegreeCP.getNumerusClausus().toString());
	dynaForm.set("anotation", oldInfoDegreeCP.getAnotation());

	return mapping.findForward("editDegreeCP");
    }

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

	IUserView userView = UserView.getUser();
	DynaActionForm dynaForm = (DynaValidatorForm) form;

	Integer oldDegreeCPId = Integer.valueOf(request.getParameter("degreeCurricularPlanId"));
	Integer degreeId = Integer.valueOf(request.getParameter("degreeId"));
	final Degree degree = rootDomainObject.readDegreeByOID(degreeId);

	InfoDegreeCurricularPlanEditor newInfoDegreeCP = new InfoDegreeCurricularPlanEditor();
	newInfoDegreeCP.setIdInternal(oldDegreeCPId);
	InfoDegree infoDegree = new InfoDegree(degree);

	String name = (String) dynaForm.get("name");
	String stateString = (String) dynaForm.get("state");

	String initialDateString = (String) dynaForm.get("initialDate");
	String endDateString = (String) dynaForm.get("endDate");

	Integer degreeDuration = Integer.valueOf((String) dynaForm.get("degreeDuration"));
	Integer minimalYearForOptionalCourses = Integer.valueOf((String) dynaForm.get("minimalYearForOptionalCourses"));

	String neededCreditsString = (String) dynaForm.get("neededCredits");

	String markTypeString = (String) dynaForm.get("markType");
	String numerusClaususString = (String) dynaForm.get("numerusClausus");
	String anotationtring = (String) dynaForm.get("anotation");

	DegreeCurricularPlanState state = DegreeCurricularPlanState.valueOf(stateString);

	Calendar initialDate = Calendar.getInstance();
	if (initialDateString.compareTo("") != 0) {
	    String[] initialDateTokens = initialDateString.split("/");
	    initialDate.set(Calendar.DAY_OF_MONTH, (Integer.valueOf(initialDateTokens[0])).intValue());
	    initialDate.set(Calendar.MONTH, (Integer.valueOf(initialDateTokens[1])).intValue() - 1);
	    initialDate.set(Calendar.YEAR, (Integer.valueOf(initialDateTokens[2])).intValue());
	    newInfoDegreeCP.setInitialDate(initialDate.getTime());
	}

	Calendar endDate = Calendar.getInstance();
	if (endDateString.compareTo("") != 0) {
	    String[] endDateTokens = endDateString.split("/");
	    endDate.set(Calendar.DAY_OF_MONTH, (Integer.valueOf(endDateTokens[0])).intValue());
	    endDate.set(Calendar.MONTH, (Integer.valueOf(endDateTokens[1])).intValue() - 1);
	    endDate.set(Calendar.YEAR, (Integer.valueOf(endDateTokens[2])).intValue());
	    newInfoDegreeCP.setEndDate(endDate.getTime());
	}

	if (endDate.before(initialDate))
	    throw new InvalidArgumentsActionException("message.manager.date.restriction");

	if (neededCreditsString.compareTo("") != 0) {
	    Double neededCredits = Double.valueOf(neededCreditsString);
	    newInfoDegreeCP.setNeededCredits(neededCredits);
	}

	if (markTypeString.compareTo("") != 0) {

	    Integer markTypeInt = Integer.valueOf(markTypeString);
	    MarkType markType = new MarkType(markTypeInt);
	    newInfoDegreeCP.setMarkType(markType);
	}

	String gradeTypeString = (String) dynaForm.get("gradeType");
	GradeScale gradeScale = null;
	if (gradeTypeString != null && gradeTypeString.length() > 0) {
	    gradeScale = GradeScale.valueOf(gradeTypeString);
	}

	if (numerusClaususString.compareTo("") != 0) {
	    Integer numerusClausus = Integer.valueOf(numerusClaususString);
	    newInfoDegreeCP.setNumerusClausus(numerusClausus);
	}

	newInfoDegreeCP.setName(name);
	newInfoDegreeCP.setState(state);
	newInfoDegreeCP.setDegreeDuration(degreeDuration);
	newInfoDegreeCP.setMinimalYearForOptionalCourses(minimalYearForOptionalCourses);
	newInfoDegreeCP.setIdInternal(oldDegreeCPId);
	newInfoDegreeCP.setAnotation(anotationtring);
	newInfoDegreeCP.setGradeScale(gradeScale);
	newInfoDegreeCP.setInfoDegree(infoDegree);

	try {
	    EditDegreeCurricularPlan.run(newInfoDegreeCP);

	} catch (ExistingServiceException e) {
	    throw new ExistingActionException("message.manager.existing.degree.curricular.plan", e);
	} catch (NonExistingServiceException e) {
	    throw new NonExistingActionException(e.getMessage(), mapping.findForward("readDegree"));
	} catch (FenixServiceException fenixServiceException) {
	    ActionMessages actionMessages = new ActionMessages();
	    actionMessages.add(fenixServiceException.getMessage(), new ActionMessage(fenixServiceException.getMessage()));
	    saveMessages(request, actionMessages);
	    return mapping.findForward("editDegreeCP");
	}
	return mapping.findForward("readDegreeCP");
    }
}