package at.gv.egovernment.moa.id.protocols.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.IPVPAttributeBuilder;
import at.gv.egiz.eaaf.core.api.idp.ISPConfiguration;
import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
import at.gv.egiz.eaaf.core.impl.data.Pair;
import at.gv.egiz.eaaf.core.impl.idp.builder.attributes.BPKAttributeBuilder;
import at.gv.egiz.eaaf.core.impl.idp.builder.attributes.PVPMETADATA;

@PVPMETADATA
public class BPKListAttributeBuilder extends BPKAttributeBuilder implements IPVPAttributeBuilder {
	
	private static final Logger log = LoggerFactory.getLogger(BPKListAttributeBuilder.class);
	
	protected static final String DELIMITER_BPK_LIST = ";";
	
	public String getName() {
		return BPK_LIST_NAME;
	}
	
	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeBuilderException {
		String result = getBpkForSP(authData);
		
		//add additional bPKs if someone are available
		if (authData.getAdditionalbPKs() != null && !authData.getAdditionalbPKs().isEmpty()) {
			log.info("Adding additional bPKs into bPK attribute");
			for (Pair<String, String> el : authData.getAdditionalbPKs()) {
				result += DELIMITER_BPK_LIST 
							+ removeBpkTypePrefix(el.getSecond()) 
							+ DELIMITER_BPKTYPE_BPK 
							+ attrMaxSize(el.getFirst());
				
			}
			log.trace("Authenticate user with bPK-List: " + result);
		}
		
		log.trace("Authenticate user with bPK/wbPK: " + result);		
		return g.buildStringAttribute(BPK_LIST_FRIENDLY_NAME, BPK_LIST_NAME, result);
	}
	
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(BPK_LIST_FRIENDLY_NAME, BPK_LIST_NAME);
	}
	
}