/*******************************************************************************
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 *******************************************************************************/
package at.gv.egovernment.moa.id.protocols.builder.attributes;

import org.w3c.dom.Element;

import at.gv.e_government.reference.namespace.mandates._20040701_.Mandate;
import at.gv.e_government.reference.namespace.persondata._20020228_.IdentificationType;
import at.gv.e_government.reference.namespace.persondata._20020228_.PhysicalPersonType;
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.impl.idp.builder.attributes.PVPMETADATA;
import at.gv.egovernment.moa.id.data.IMOAAuthData;
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;

@PVPMETADATA
public class MandateNaturalPersonSourcePinAttributeBuilder  implements IPVPAttributeBuilder {

	public String getName() {
		return MANDATE_NAT_PER_SOURCE_PIN_NAME;
	}

	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeBuilderException {
		if (authData instanceof IMOAAuthData) {
			if(((IMOAAuthData)authData).isUseMandate()) {
				Element mandate = ((IMOAAuthData)authData).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.debug("No physicalPerson mandate");
					throw new NoMandateDataAttributeException();
				}
				IdentificationType id = null;
				id = physicalPerson.getIdentification().get(0);
				
				if(authData.isBaseIDTransferRestrication()) {
					throw new AttributePolicyException(this.getName());
				}
				
				if(id == null) {
					Logger.info("Failed to generate IdentificationType");
					throw new NoMandateDataAttributeException();
				}
				
				return g.buildStringAttribute(MANDATE_NAT_PER_SOURCE_PIN_FRIENDLY_NAME,
						MANDATE_NAT_PER_SOURCE_PIN_NAME, id.getValue().getValue());
			}
			
		} else
			Logger.info(MANDATE_NAT_PER_SOURCE_PIN_FRIENDLY_NAME + " is only available in MOA-ID context");
		
		return null;
	}

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

}