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

import java.util.List;

import net.sourceforge.fenixedu.domain.exceptions.DomainException;
import net.sourceforge.fenixedu.domain.organizationalStructure.Party;
import net.sourceforge.fenixedu.domain.research.result.publication.ScopeType;
import pt.utl.ist.fenix.tools.util.i18n.MultiLanguageString;

public class EventParticipation extends EventParticipation_Base {

    public EventParticipation(Party party, ResearchActivityParticipationRole role, ResearchEvent event,
	    MultiLanguageString roleMessage) {
	super();
	if (alreadyHasParticipation(party, role, event)) {
	    throw new DomainException("error.researcher.ResearchActivityParticipation.participation.exists");
	}
	super.setParty(party);
	super.setRole(role);
	super.setEvent(event);
	super.setRoleMessage(roleMessage);
    }

    private boolean alreadyHasParticipation(Party party, ResearchActivityParticipationRole role, ResearchEvent event) {
	for (EventParticipation participation : party.getEventParticipations()) {
	    if (participation.match(party, role, event)) {
		return true;
	    }
	}
	return false;
    }

    public boolean match(Party party, ResearchActivityParticipationRole role, ResearchEvent event) {
	return this.getParty().equals(party) && this.getRole().equals(role) && this.getEvent().equals(event);
    }

    @Override
    public void setEvent(ResearchEvent event) {
	if (alreadyHasParticipation(getParty(), getRole(), event)) {
	    throw new DomainException("error.researcher.ResearchActivityParticipation.participation.exists");
	}
	super.setEvent(event);
    }

    @Override
    public void setParty(Party party) {
	if (alreadyHasParticipation(party, getRole(), getEvent())) {
	    throw new DomainException("error.researcher.ResearchActivityParticipation.participation.exists");
	}
	super.setParty(party);
    }

    @Override
    public void setRole(ResearchActivityParticipationRole role) {
	if (alreadyHasParticipation(getParty(), role, getEvent())) {
	    throw new DomainException("error.researcher.ResearchActivityParticipation.participation.exists");
	}
	super.setRole(role);
    }

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

    @Override
    public String getParticipationName() {
	return this.getEvent().getName();
    }

    @Override
    public boolean isLastParticipation() {
	return this.getEvent().getParticipationsFor(this.getParty()).size() == 1;
    }

    @Override
    public void delete() {
	removeEvent();
	super.delete();
    }

    @Override
    public Integer getCivilYear() {
	return null;
    }

    @Override
    public boolean scopeMatches(ScopeType type) {
	return this.getEvent().getLocationType().equals(type);
    }
}