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

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.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.AttributePolicyException;
import at.gv.egiz.eaaf.core.exceptions.UnavailableAttributeException;

@PVPMETADATA
public class EIDSourcePIN implements IPVPAttributeBuilder  {

	public String getName() {
		return EID_SOURCE_PIN_NAME;
	}

	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeBuilderException {
		
		if (authData.isBaseIDTransferRestrication())
			throw new AttributePolicyException(EID_SOURCE_PIN_NAME);
		
		else {
			if (StringUtils.isNoneEmpty(authData.getIdentificationValue()))
				throw new UnavailableAttributeException(EID_SOURCE_PIN_NAME);
			
			return g.buildStringAttribute(EID_SOURCE_PIN_FRIENDLY_NAME, EID_SOURCE_PIN_NAME, authData.getIdentificationValue());
		}
	}

	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(EID_SOURCE_PIN_FRIENDLY_NAME, EID_SOURCE_PIN_NAME);
	}

}