package net.sourceforge.fenixedu.dataTransferObject;

import java.io.Serializable;
import java.util.Date;

import net.sourceforge.fenixedu.domain.DomainObject;
import net.sourceforge.fenixedu.domain.DomainReference;

import org.joda.time.LocalDate;
import org.joda.time.YearMonthDay;

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

public class VariantBean implements Serializable {

    public static enum Type {
	INTEGER, STRING, DATE, MULTI_LANGUAGE_STRING, DOMAIN_REFERENCE, YEAR_MONTH_DAY, LOCAL_DATE
    };

    /**
     * Serial version id.
     */
    private static final long serialVersionUID = 1L;

    private Object value;
    private Type type;

    public VariantBean() {
	value = null;
    }

    public Type getType() {
	return type;
    }

    protected void setType(Type type) {
	this.type = type;
    }

    public Integer getInteger() {
	return (Integer) this.value;
    }

    public void setInteger(Integer value) {
	this.value = value;
	setType(Type.INTEGER);
    }

    public Date getDate() {
	return (Date) this.value;
    }

    public void setDate(Date date) {
	this.value = date;
	setType(Type.DATE);
    }

    public String getString() {
	return (String) this.value;
    }

    public void setString(String string) {
	this.value = string;
	setType(Type.STRING);
    }

    public MultiLanguageString getMLString() {
	return (MultiLanguageString) this.value;
    }

    public void setMLString(MultiLanguageString value) {
	this.value = value;
	setType(Type.MULTI_LANGUAGE_STRING);
    }

    public DomainObject getDomainObject() {
	return Type.DOMAIN_REFERENCE.equals(type) ? ((DomainReference<DomainObject>) (this.value)).getObject() : null;
    }

    public void setDomainObject(DomainObject domainObject) {
	this.value = new DomainReference<DomainObject>(domainObject);
	setType(Type.DOMAIN_REFERENCE);
    }

    public void setYearMonthDay(YearMonthDay date) {
	this.value = date;
	setType(Type.YEAR_MONTH_DAY);
    }

    public YearMonthDay getYearMonthDay() {
	return Type.YEAR_MONTH_DAY.equals(getType()) ? (YearMonthDay) this.value : null;
    }

    public void setLocalDate(LocalDate date) {
	this.value = date;
	setType(Type.LOCAL_DATE);
    }

    public LocalDate getLocalDate() {
	return Type.LOCAL_DATE.equals(getType()) ? (LocalDate) this.value : null;
    }

}