package at.gv.egovernment.moa.id.protocols.eidas.attributes.builder.eid4u;

import org.apache.commons.lang3.StringUtils;

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.ISPConfiguration;
import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
import at.gv.egiz.eid4u.api.attributes.Definitions;
import at.gv.egiz.eid4u.api.attributes.natural.IdType;
import at.gv.egovernment.moa.id.protocols.eidas.attributes.builder.IeIDASAttribute;
import at.gv.egovernment.moa.id.protocols.eidas.attributes.builder.eIDASMetadata;

@eIDASMetadata
public class IdTypeAttrBuilder implements IeIDASAttribute {

	@Override
	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData, IAttributeGenerator<ATT> g)
			throws AttributeBuilderException {
		
		Object idTypeObj= authData.getGenericData(getName(), Object.class);
		
		if (idTypeObj instanceof IdType)
			return g.buildStringAttribute(Definitions.IDTYPE_FRIENDLYNAME, getName(), ((IdType)idTypeObj).getValue());
		
		else if (idTypeObj instanceof String) {
			String idType = (String)idTypeObj;
			if (StringUtils.isNotEmpty(idType))
				return g.buildStringAttribute(Definitions.IDTYPE_FRIENDLYNAME, getName(), idType);
		}
		
		throw new AttributeBuilderException("Attribute '" + getName() + "' is not available");
		
	}

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

	@Override
	public String getName() {
		return Definitions.IDTYPE_NAME;
		
	}

}