package at.gv.egiz.eaaf.core.impl.idp.builder.attributes;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.gv.egiz.eaaf.core.api.idp.IAttributeGenerator;
import at.gv.egiz.eaaf.core.api.idp.IAuthData;
import at.gv.egiz.eaaf.core.api.idp.IEidAuthData;
import at.gv.egiz.eaaf.core.api.idp.IPVPAttributeBuilder;
import at.gv.egiz.eaaf.core.api.idp.ISPConfiguration;
import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
import at.gv.egiz.eaaf.core.exceptions.UnavailableAttributeException;

@PVPMETADATA
public class EidIdentityStatusLevelAttributeBuiler implements IPVPAttributeBuilder {
	private static final Logger log = LoggerFactory.getLogger(EidIdentityStatusLevelAttributeBuiler.class);

	@Override
	public String getName() {
		return EID_IDENTITY_STATUS_LEVEL_NAME;
	}

	@Override
	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData, IAttributeGenerator<ATT> g)
			throws AttributeBuilderException {
		
		if (authData instanceof IEidAuthData) {		
			if (((IEidAuthData)authData).getEIDStatus() == null)
				throw new UnavailableAttributeException(getName());
					
			return g.buildStringAttribute(getFriendlyName(),
					getName(), ((IEidAuthData)authData).getEIDStatus().getURI());
		} else
			log.info(getFriendlyName() + " is only available in EAAF context");
		
		throw new UnavailableAttributeException(getName());
	}

	@Override
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(getFriendlyName(), getName());
	}

	private String getFriendlyName() {
		return EID_IDENTITY_STATUS_LEVEL_FRIENDLY_NAME;
	}
}