package at.gv.egovernment.moa.id.protocols.pvp2x.builder.attributes;

import org.w3c.dom.Element;

import at.gv.egovernment.moa.id.auth.data.AuthenticationSession;
import at.gv.egovernment.moa.id.config.auth.OAAuthParameter;
import at.gv.egovernment.moa.id.data.AuthenticationData;
import at.gv.egovernment.moa.id.protocols.pvp2x.builder.attributes.exceptions.AttributeException;
import at.gv.egovernment.moa.id.protocols.pvp2x.builder.attributes.exceptions.NoMandateDataAttributeException;
import at.gv.egovernment.moa.id.protocols.pvp2x.utils.AttributeExtractor;

public class MandateProfRepOIDAttributeBuilder implements IPVPAttributeBuilder {
	
	public String getName() {
		return MANDATE_PROF_REP_OID_NAME;
	}
	
	public <ATT> ATT build(AuthenticationSession authSession, OAAuthParameter oaParam, AuthenticationData authData,
			IAttributeGenerator<ATT> g) throws AttributeException {
		if (authSession.getUseMandate()) {
			Element mandate = authSession.getMandate();
			if (mandate == null) {
				throw new NoMandateDataAttributeException();
			}
			
			String oid = AttributeExtractor.extractSAMLAttributeOA(EXT_SAML_MANDATE_OID, authSession);
			
			if (oid == null) {
				return null;
			}
			
			return g.buildStringAttribute(MANDATE_PROF_REP_OID_FRIENDLY_NAME, MANDATE_PROF_REP_OID_NAME, oid);
			
		}
		return null;
		
	}
	
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(MANDATE_PROF_REP_OID_FRIENDLY_NAME, MANDATE_PROF_REP_OID_NAME);
	}
}