package net.sourceforge.fenixedu.domain.candidacy;

import java.io.Serializable;

import net.sourceforge.fenixedu.dataTransferObject.candidacy.IngressionInformationBean;
import net.sourceforge.fenixedu.domain.DomainReference;
import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.student.Registration;
import net.sourceforge.fenixedu.domain.util.FactoryExecutor;
import net.sourceforge.fenixedu.util.EntryPhase;
import pt.iscte.ci.metadata.ISCTE;

/**
 * 
 * @author rjmvo
 * 
 */
public class StudentIngression extends StudentIngression_Base {

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

    public StudentIngression(final Registration registration, final String ingression, final EntryPhase entryPhase) {
	this();
	setIngression(ingression);
	setEntryPhase(entryPhase);
	setRegistration(registration);
    }

    @ISCTE(author = "Paulo Zenida", comment = "Added the check for avoiding NullPointerExceptions")
    public StudentIngression(final Registration registration, final Ingression ingression, final EntryPhase entryPhase) {
	this(registration, ingression == null ? null : ingression.name(), entryPhase);
    }

    public Ingression getIngressionEnum() {
	return getIngression() != null ? Ingression.valueOf(getIngression()) : null;
    }

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

    public static class RegistrationIngressionCreator extends IngressionInformationBean implements FactoryExecutor, Serializable {
	public RegistrationIngressionCreator(Registration registration) {
	    super(registration);
	}

	public Object execute() {
	    final Registration registration = getRegistration();
	    registration.setRegistrationAgreement(getRegistrationAgreement());

	    Registration.checkIngression(getIngression(), registration.getPerson(), registration.getFirstStudentCurricularPlan()
		    .getDegreeCurricularPlan());

	    if (getIngression() != null) {
		StudentIngression ingression = new StudentIngression(registration, getIngression(), getEntryPhase());
		ingression.setStudentCandidacy(registration.getStudentCandidacy());
		ingression.setExecutionYear(getExecutionYear());
		ingression.setRemarks(getRemarks());

		return ingression;
	    }

	    return null;
	}
    }

    public static class RegistrationIngressionEditor extends IngressionInformationBean implements FactoryExecutor, Serializable {
	private DomainReference<StudentIngression> ingression;

	public RegistrationIngressionEditor(StudentIngression ingression) {
	    super(ingression.getRegistration());

	    setIngression(ingression.getIngressionEnum());
	    setEntryPhase(ingression.getEntryPhase());
	    setExecutionYear(getExecutionYear());
	    setRemarks(ingression.getRemarks());

	    setStudentIngression(ingression);
	}

	public StudentIngression getStudentIngression() {
	    return ingression == null ? null : ingression.getObject();
	}

	public void setStudentIngression(StudentIngression ingression) {
	    this.ingression = ingression != null ? new DomainReference<StudentIngression>(ingression) : null;
	}

	public Object execute() {
	    getStudentIngression().setIngression(getIngression().name());
	    getStudentIngression().setEntryPhase(getEntryPhase());
	    getStudentIngression().setRemarks(getRemarks());
	    return getStudentIngression();
	}
    }

    public static class RegistrationIngressionDeleter extends IngressionInformationBean implements FactoryExecutor, Serializable {
	private DomainReference<StudentIngression> ingression;

	public RegistrationIngressionDeleter(StudentIngression ingression) {
	    super(ingression.getRegistration());
	    setStudentIngression(ingression);
	}

	public StudentIngression getStudentIngression() {
	    return ingression == null ? null : ingression.getObject();
	}

	public void setStudentIngression(StudentIngression ingression) {
	    this.ingression = ingression != null ? new DomainReference<StudentIngression>(ingression) : null;
	}

	public Object execute() {
	    getStudentIngression().delete();
	    return null;
	}
    }

    public boolean isAllowedToDelete() {
	if (getRegistration().getRegistrationAgreement() != null
		&& !getRegistration().getRegistrationAgreement().isIngressionRequired()) {
	    return true;
	}

	return getRegistration().getStudentIngressions().size() > 1;

    }
}