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

import java.util.Iterator;

import org.w3c.dom.Element;

import at.gv.e_government.reference.namespace.mandates._20040701_.Mandate;
import at.gv.e_government.reference.namespace.persondata._20020228_.PersonNameType.FamilyName;
import at.gv.e_government.reference.namespace.persondata._20020228_.PhysicalPersonType;
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.util.MandateBuilder;
import at.gv.egovernment.moa.logging.Logger;

public class MandateNaturalPersonFamilyNameAttributeBuilder  implements IPVPAttributeBuilder {

	public String getName() {
		return MANDATE_NAT_PER_FAMILY_NAME_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();
			}
			Mandate mandateObject = MandateBuilder.buildMandate(mandate);
			if(mandateObject == null) {
				throw new NoMandateDataAttributeException();
			}
			PhysicalPersonType physicalPerson = mandateObject.getMandator().getPhysicalPerson();
			if(physicalPerson == null) {
				Logger.error("No physicalPerson mandate");
				throw new NoMandateDataAttributeException();
			}
			
			StringBuilder sb = new StringBuilder();
			Iterator<FamilyName> fNamesit = physicalPerson.getName().getFamilyName().iterator();
			
			while(fNamesit.hasNext()) {
				sb.append(" " + fNamesit.next().getValue());
			}
			
			return g.buildStringAttribute(MANDATE_NAT_PER_FAMILY_NAME_FRIENDLY_NAME, 
					MANDATE_NAT_PER_FAMILY_NAME_NAME, sb.toString());
		}
		return null;
		
	}
	
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(MANDATE_NAT_PER_FAMILY_NAME_FRIENDLY_NAME, 
				MANDATE_NAT_PER_FAMILY_NAME_NAME);
	}

}