package net.sourceforge.fenixedu.domain.messaging;

import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.contents.DateOrderedNode;
import net.sourceforge.fenixedu.domain.contents.IDateContent;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;

import org.joda.time.DateTime;

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

public class ConversationMessage extends ConversationMessage_Base implements IDateContent {

    public ConversationMessage() {
	super();
	setRootDomainObject(RootDomainObject.getInstance());
	setCreationDate(new DateTime());
    }

    public ConversationMessage(ConversationThread conversationThread, Person creator, MultiLanguageString body) {
	this();
	init(conversationThread, creator, body);
    }

    private void init(ConversationThread conversationThread, Person creator, MultiLanguageString body) {
	setConversationThread(conversationThread);
	setBody(body);
	setCreator(creator);
    }

    @Override
    public void removeCreator() {
	super.setCreator(null);
    }

    @Override
    public void setCreator(Person creator) {
	if (creator == null) {
	    throw new DomainException("conversationMessage.creator.cannot.be.null");
	}

	super.setCreator(creator);
    }

    @Override
    public void setBody(MultiLanguageString body) {
	if (body == null) {
	    throw new DomainException("conversationMessage.body.cannot.be.null");
	}

	super.setBody(body);
    }

    public void setConversationThread(ConversationThread conversationThread) {
	if (conversationThread == null) {
	    throw new DomainException("conversationMessage.conversationThread.cannot.be.null");
	}

	if (getParents().isEmpty()) {
	    new DateOrderedNode(conversationThread, this, Boolean.TRUE);
	} else {
	    getParents().get(0).setParent(conversationThread);
	}
    }

    public ConversationThread getConversationThread() {
	return (getParents().isEmpty()) ? null : (ConversationThread) getParents().get(0).getParent();
    }

    public DateTime getContentDate() {
	return getCreationDate();
    }

}