package net.sourceforge.fenixedu.domain.time.calendarStructure;

import net.sourceforge.fenixedu.domain.ExecutionYear;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.time.chronologies.AcademicChronology;

import org.joda.time.DateTime;

import pt.utl.ist.fenix.tools.util.i18n.MultiLanguageString;

public class AcademicYearCE extends AcademicYearCE_Base {

    public AcademicYearCE(AcademicCalendarEntry parentEntry, MultiLanguageString title, MultiLanguageString description,
	    DateTime begin, DateTime end, AcademicCalendarRootEntry rootEntry) {

	super();
	super.initEntry(parentEntry, title, description, begin, end, rootEntry);
	createExecutionYear();
    }

    private AcademicYearCE(AcademicCalendarEntry parentEntry, AcademicYearCE academicYearCE) {
	super();
	super.initVirtualEntry(parentEntry, academicYearCE);
    }

    @Override
    public void delete(AcademicCalendarRootEntry rootEntry) {
	if (!isVirtual()) {
	    ExecutionYear executionYear = ExecutionYear.getExecutionYear(this);
	    executionYear.delete();
	}
	super.delete(rootEntry);
    }

    @Override
    protected void beforeRedefineEntry() {
	throw new DomainException("error.unsupported.operation");
    }

    @Override
    protected void afterRedefineEntry() {
	throw new DomainException("error.unsupported.operation");
    }

    @Override
    public boolean isOfType(AcademicPeriod period) {
	return period.equals(AcademicPeriod.YEAR);
    }

    @Override
    public boolean isAcademicYear() {
	return true;
    }

    @Override
    protected boolean isParentEntryInvalid(AcademicCalendarEntry parentEntry) {
	return !parentEntry.isRoot();
    }

    @Override
    protected boolean exceededNumberOfChildEntries(AcademicCalendarEntry childEntry) {
	if (childEntry.isAcademicSemester()) {
	    return getChildEntriesWithTemplateEntries(childEntry.getClass()).size() >= 2;
	}
	if (childEntry.isAcademicTrimester()) {
	    return getChildEntriesWithTemplateEntries(childEntry.getClass()).size() >= 4;
	}
	return false;
    }

    @Override
    protected boolean areIntersectionsPossible(AcademicCalendarEntry entryToAdd) {
	if (entryToAdd.isAcademicSemester()) {
	    return true;
	}
	return false;
    }

    @Override
    protected boolean isPossibleToChangeTimeInterval() {
	return true;
    }

    @Override
    protected AcademicCalendarEntry createVirtualEntry(AcademicCalendarEntry parentEntry) {
	return new AcademicYearCE(parentEntry, this);
    }

    private void createExecutionYear() {
	ExecutionYear executionYear = ExecutionYear.readBy(getBegin().toYearMonthDay(), getEnd().toYearMonthDay());
	if (executionYear == null) {
	    new ExecutionYear(new AcademicInterval(this, getRootEntry()), getTitle().getContent());
	}
    }

    @Override
    public int getAcademicSemesterOfAcademicYear(AcademicChronology academicChronology) {
	throw new DomainException("error.unsupported.operation");
    }

    @Override
    public TeacherCreditsFillingForDepartmentAdmOfficeCE getTeacherCreditsFillingForDepartmentAdmOffice(
	    AcademicChronology academicChronology) {
	throw new DomainException("error.unsupported.operation");
    }

    @Override
    public TeacherCreditsFillingForTeacherCE getTeacherCreditsFillingForTeacher(AcademicChronology academicChronology) {
	throw new DomainException("error.unsupported.operation");
    }

    @Override
    protected boolean associatedWithDomainEntities() {
	return true;
    }
}