package net.sourceforge.fenixedu.domain.student;

import net.sourceforge.fenixedu.domain.Degree;
import net.sourceforge.fenixedu.domain.ExecutionYear;
import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.organizationalStructure.DegreeUnit;

import org.joda.time.Interval;

public class Delegate extends Delegate_Base {

    public Delegate() {
	super();
	setRootDomainObject(RootDomainObject.getInstance());
    }

    public boolean isActiveForExecutionYear(final ExecutionYear executionYear) {
	return hasDelegateFunction()
		&& getDelegateFunction().belongsToPeriod(executionYear.getBeginDateYearMonthDay(),
			executionYear.getEndDateYearMonthDay());
    }

    public boolean isActiveForFirstExecutionYear(final ExecutionYear executionYear) {
	if (hasDelegateFunction() && getDelegateFunction().getBeginDate() != null) {
	    Interval interval = new Interval(getDelegateFunction().getBeginDate().toDateTimeAtMidnight(), getDelegateFunction()
		    .getEndDate().toDateTimeAtMidnight().plusDays(1));
	    return executionYear.overlapsInterval(interval);
	}
	return false;
    }

    protected Degree getDegree() {
	return ((DegreeUnit) getDelegateFunction().getFunction().getUnit()).getDegree();
    }

    public void delete() {
	getDelegateFunction().delete();
	removeDelegateFunction();
	removeRegistration();
	removeRootDomainObject();
	deleteDomainObject();
    }

}