/*******************************************************************************
 * 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.pvp2x.builder.attributes;

import org.w3c.dom.Element;

import at.gv.e_government.reference.namespace.mandates._20040701_.Mandate;
import at.gv.egovernment.moa.id.config.auth.OAAuthParameter;
import at.gv.egovernment.moa.id.data.IAuthData;
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.id.util.client.mis.simple.MISMandate;
import at.gv.egovernment.moa.util.MiscUtil;

public class MandateProfRepDescAttributeBuilder implements IPVPAttributeBuilder {

	public String getName() {
		return MANDATE_PROF_REP_DESC_NAME;
	}

	public <ATT> ATT build(OAAuthParameter oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeException {
		if(authData.isUseMandate()) {						
			Element mandate = authData.getMandate();
			if (mandate == null) {
				throw new NoMandateDataAttributeException();
			}
			
			Mandate mandateObject = MandateBuilder.buildMandate(authData.getMandate());
			if (mandateObject == null) {
				throw new NoMandateDataAttributeException();
			}

			String text = null;
			if (MiscUtil.isNotEmpty(mandateObject.getAnnotation())) {
				text = mandateObject.getAnnotation();
				
			} else {			
				MISMandate misMandate = authData.getMISMandate();
			
				if(misMandate == null) {
					throw new NoMandateDataAttributeException();
				}
			
				text = misMandate.getTextualDescriptionOfOID();
			
				if(MiscUtil.isEmpty(text)) {
					return null;
				
				} else				
					return g.buildStringAttribute(MANDATE_PROF_REP_DESC_FRIENDLY_NAME, 
							MANDATE_PROF_REP_DESC_NAME, text);
			}	
		}
		return null;
		
	}
	
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(MANDATE_PROF_REP_DESC_FRIENDLY_NAME, 
				MANDATE_PROF_REP_DESC_NAME);
	}
}