package net.sourceforge.fenixedu.domain.phd;

import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.injectionCode.AccessControl;

import org.joda.time.DateTime;

import dml.runtime.RelationAdapter;

abstract public class PhdStudyPlanEntry extends PhdStudyPlanEntry_Base {

    static {
	PhdStudyPlanPhdStudyPlanEntry.addListener(new RelationAdapter<PhdStudyPlanEntry, PhdStudyPlan>() {
	    @Override
	    public void beforeAdd(PhdStudyPlanEntry entry, PhdStudyPlan studyPlan) {
		if (entry != null && studyPlan != null) {
		    if (studyPlan.hasSimilarEntry(entry)) {
			throw new DomainException("error.phd.PhdStudyPlanEntry.found.similar.entry");
		    }
		}
	    }
	});
    }

    protected PhdStudyPlanEntry() {
	super();
	setRootDomainObject(RootDomainObject.getInstance());
	setWhenCreated(new DateTime());
	if (AccessControl.getPerson() != null) {
	    setCreatedBy(AccessControl.getPerson().getUsername());
	}
    }

    protected PhdStudyPlanEntry(PhdStudyPlanEntryType type, PhdStudyPlan studyPlan) {
	this();

	init(type, studyPlan);

    }

    protected void init(PhdStudyPlanEntryType type, PhdStudyPlan studyPlan) {
	check(type, "error.net.sourceforge.fenixedu.domain.phd.PhdStudyPlanEntry.type.cannot.be.null");
	check(studyPlan, "error.net.sourceforge.fenixedu.domain.phd.PhdStudyPlanEntry.studyPlan.cannot.be.null");

	super.setType(type);
	super.setStudyPlan(studyPlan);
    }

    public boolean isNormal() {
	return getType() == PhdStudyPlanEntryType.NORMAL;
    }

    public boolean isPropaedeutic() {
	return getType() == PhdStudyPlanEntryType.PROPAEDEUTIC;
    }

    public boolean isInternalEntry() {
	return false;
    }

    public boolean isExternalEntry() {
	return false;
    }

    public void delete() {
	super.setRootDomainObject(null);
	super.setStudyPlan(null);

	super.deleteDomainObject();

    }

    abstract public String getCourseDescription();

    abstract public boolean isSimilar(PhdStudyPlanEntry entry);
}