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

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.UnavailableAttributeException;
import at.gv.egiz.eaaf.core.impl.data.Pair;
import at.gv.egiz.eaaf.core.impl.idp.builder.attributes.PVPMETADATA;
import at.gv.egovernment.moa.id.data.IMOAAuthData;
import at.gv.egovernment.moa.logging.Logger;

@PVPMETADATA
public class MandateNaturalPersonEncBPKListAttributeBuilder implements IPVPAttributeBuilder {
			
	public String getName() {
		return MANDATE_NAT_PER_ENC_BPK_LIST_NAME;
	}
	
	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeBuilderException {
		
		if (authData instanceof IMOAAuthData) {			
			if (((IMOAAuthData) authData).isUseMandate()) {			
				if (((IMOAAuthData)authData).getEncMandateNaturalPersonbPKList() != null &&
						((IMOAAuthData)authData).getEncMandateNaturalPersonbPKList().size() > 0) {
					Pair<String, String> value = ((IMOAAuthData)authData).getEncMandateNaturalPersonbPKList().get(0);				
					String result = BPKListAttributeBuilder.LIST_ELEMENT_START 
										+ value.getSecond() + EncryptedBPKAttributeBuilder.DELIMITER_ENCBPK_TARGET +  value.getFirst() 
									+ BPKListAttributeBuilder.LIST_ELEMENT_END;
				
					for (int i=1; i<((IMOAAuthData)authData).getEncMandateNaturalPersonbPKList().size(); i++) {
						Pair<String, String> el = ((IMOAAuthData)authData).getEncMandateNaturalPersonbPKList().get(i);					
						result += BPKListAttributeBuilder.DELIMITER_BPK_LIST 
									+ BPKListAttributeBuilder.LIST_ELEMENT_START 
										+ el.getSecond() + EncryptedBPKAttributeBuilder.DELIMITER_ENCBPK_TARGET +  el.getFirst() 
										+ BPKListAttributeBuilder.LIST_ELEMENT_END;		
					
					}
			
					return g.buildStringAttribute(MANDATE_NAT_PER_ENC_BPK_LIST_FRIENDLY_NAME, MANDATE_NAT_PER_ENC_BPK_LIST_NAME, 
							result);
			
				}
				
			} else
				Logger.trace(MANDATE_NAT_PER_ENC_BPK_LIST_FRIENDLY_NAME + " is only availabe if mandates are used");
						
		} else
			Logger.info(MANDATE_NAT_PER_ENC_BPK_LIST_FRIENDLY_NAME + " is only available in MOA-ID context");
		
		throw new UnavailableAttributeException(MANDATE_NAT_PER_ENC_BPK_LIST_NAME);
		
	}
	
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(MANDATE_NAT_PER_ENC_BPK_LIST_FRIENDLY_NAME, MANDATE_NAT_PER_ENC_BPK_LIST_NAME);
	}
		
}