package net.sourceforge.fenixedu.domain.research.activity;

import java.util.ArrayList;
import java.util.List;

import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.RootDomainObject;
import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.organizationalStructure.Party;
import net.sourceforge.fenixedu.domain.research.activity.Participation.ResearchActivityParticipationRole;
import net.sourceforge.fenixedu.domain.research.result.publication.ConferenceArticles;
import net.sourceforge.fenixedu.domain.research.result.publication.ScopeType;
import net.sourceforge.fenixedu.injectionCode.AccessControl;

public class ResearchEvent extends ResearchEvent_Base implements ParticipationsInterface {

    public ResearchEvent() {
	super();
	setStage(ResearchActivityStage.DRAFT);
	setRootDomainObject(RootDomainObject.getInstance());
    }

    public ResearchEvent(String name, EventType type, ScopeType scope) {
	this();

	if (name == null)
	    throw new DomainException("errors.event.requiredAttributes");

	setName(name);
	setEventType(type);
	setLocationType(scope);
    }

    public void delete() {
	for (; this.hasAnyParticipations(); getParticipations().get(0).delete())
	    ;
	for (; this.hasAnyEventEditions(); this.getEventEditions().get(0).removeEvent())
	    ;
	removeRootDomainObject();
	super.deleteDomainObject();
    }

    /**
     * This method is responsible for checking if the object still has active
     * connections if not, the object is deleted.
     */
    public void sweep() {
	if (!(this.hasAnyParticipations() || this.hasAnyEventEditions())) {
	    delete();
	}
    }

    public List<ResearchActivityParticipationRole> getAllowedRoles() {
	return ResearchActivityParticipationRole.getAllEventParticipationRoles();
    }

    public List<ConferenceArticles> getArticles() {
	List<ConferenceArticles> articles = new ArrayList<ConferenceArticles>();
	for (EventEdition edition : getEventEditions()) {
	    articles.addAll(edition.getArticles());
	}
	return articles;
    }

    public List<EventParticipation> getParticipationsFor(Party party) {
	List<EventParticipation> participations = new ArrayList<EventParticipation>();
	for (EventParticipation participation : getParticipations()) {
	    if (participation.getParty().equals(party)) {
		participations.add(participation);
	    }
	}
	return participations;
    }

    public boolean canBeEditedByUser(Person person) {
	for (EventEdition edition : getEventEditions()) {
	    if (!edition.canBeEditedByUser(person)) {
		return false;
	    }
	}
	return getParticipations().size() == getParticipationsFor(person).size();

    }

    public boolean canBeEditedByCurrentUser() {
	return canBeEditedByUser(AccessControl.getPerson());
    }

    public void addUniqueParticipation(Participation participation) {
	if (participation instanceof EventParticipation) {
	    EventParticipation eventParticipation = (EventParticipation) participation;
	    for (EventParticipation eventParticipation2 : getParticipationsSet()) {
		if (eventParticipation2.getParty().equals(eventParticipation.getParty())
			&& eventParticipation2.getRole().equals(eventParticipation.getRole())) {
		    return;
		}
	    }
	    addParticipations(eventParticipation);
	}

    }
}