package net.sourceforge.fenixedu.domain.student;

import net.sourceforge.fenixedu.dataTransferObject.student.MobilityAgreementBean;
import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.organizationalStructure.Unit;

import org.joda.time.YearMonthDay;

public class MobilityAgreement extends MobilityAgreement_Base {

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

    public MobilityAgreement(final Registration registration, final MobilityProgram mobilityProgram,
	    final YearMonthDay startDate, final YearMonthDay endDate, final Unit institution) {
	this();
	init(registration, mobilityProgram, startDate, endDate, institution);
    }

    public MobilityAgreement(MobilityAgreementBean mobilityAgreementBean) {
	this(mobilityAgreementBean.getRegistration(), mobilityAgreementBean.getMobilityProgram(), mobilityAgreementBean
		.getStartDate(), mobilityAgreementBean.getEndDate(), mobilityAgreementBean.getInstitution());
    }

    private void init(final Registration registration, final MobilityProgram mobilityProgram, final YearMonthDay startDate,
	    final YearMonthDay endDate, final Unit institution) {
	checkParameters(registration, mobilityProgram, startDate, endDate, institution);
	setRegistration(registration);
	setMobilityProgram(mobilityProgram);
	setStartDate(startDate);
	setEndDate(endDate);
	setInstitution(institution);
    }

    private void checkParameters(final Registration registration, final MobilityProgram mobilityProgram,
	    final YearMonthDay startDate, final YearMonthDay endDate, final Unit institution) {
	if (registration == null) {
	    throw new DomainException("error.registration.is.mandatory");
	}
	if (mobilityProgram == null) {
	    throw new DomainException("error.mobilityProgram.is.mandatory");
	}
	if (startDate == null) {
	    throw new DomainException("error.startDate.is.mandatory");
	}
	if (endDate != null && endDate.isBefore(startDate)) {
	    throw new DomainException("error.endDate.cannot.be.before.startDate");
	}
	if (institution == null) {
	    throw new DomainException("error.institution.is.mandatory");
	}
    }

    public void edit(MobilityAgreementBean mobilityAgreementBean) {
	setMobilityProgram(mobilityAgreementBean.getMobilityProgram());
	setStartDate(mobilityAgreementBean.getStartDate());
	setEndDate(mobilityAgreementBean.getEndDate());
	setInstitution(mobilityAgreementBean.getInstitution());
    }

    public void delete() {
	removeRegistration();
	removeInstitution();
	removeRootDomainObject();
	super.deleteDomainObject();
    }
}