/*
 * 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.auth.modules.elgamandates.config;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.opensaml.Configuration;
import org.opensaml.saml2.core.AuthnContextComparisonTypeEnumeration;
import org.opensaml.saml2.core.NameID;
import org.opensaml.saml2.core.SubjectConfirmation;
import org.opensaml.saml2.core.SubjectConfirmationData;
import org.opensaml.saml2.metadata.EntityDescriptor;
import org.opensaml.xml.io.Marshaller;
import org.opensaml.xml.io.MarshallingException;
import org.opensaml.xml.security.credential.Credential;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

import at.gv.egovernment.moa.id.auth.modules.elgamandates.ELGAMandatesAuthConstants;
import at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation;
import at.gv.egovernment.moa.id.protocols.pvp2x.utils.SAML2Utils;
import at.gv.egovernment.moa.logging.Logger;

/**
 * @author tlenz
 *
 */
public class ELGAMandatesRequestBuilderConfiguration implements IPVPAuthnRequestBuilderConfiguruation {

	private boolean isPassive = false;
	private String SPEntityID = null;
	private String QAA_Level = null;
	private EntityDescriptor idpEntity = null;
	private Credential signCred = null;
	private String subjectNameID = null;
	private String subjectNameIDQualifier = null;
	private String requestID = null;
	private Element subjectConformationDate = null;
	
	
	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#isPassivRequest()
	 */
	@Override
	public Boolean isPassivRequest() {
		return this.isPassive;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getAssertionConsumerServiceId()
	 */
	@Override
	public Integer getAssertionConsumerServiceId() {
		return 0;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getEntityID()
	 */
	@Override
	public String getSPEntityID() {
		return this.SPEntityID;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getNameIDPolicy()
	 */
	@Override
	public String getNameIDPolicyFormat() {
		return NameID.PERSISTENT;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getNameIDPolicy()
	 */
	@Override
	public boolean getNameIDPolicyAllowCreation() {
		return false;
	}
	
	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getAuthnContextClassRef()
	 */
	@Override
	public String getAuthnContextClassRef() {
		return this.QAA_Level;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getAuthnContextComparison()
	 */
	@Override
	public AuthnContextComparisonTypeEnumeration getAuthnContextComparison() {
		return AuthnContextComparisonTypeEnumeration.MINIMUM;
	}

	/**
	 * @param isPassive the isPassive to set
	 */
	public void setPassive(boolean isPassive) {
		this.isPassive = isPassive;
	}

	/**
	 * @param sPEntityID the sPEntityID to set
	 */
	public void setSPEntityID(String sPEntityID) {
		SPEntityID = sPEntityID;
	}

	/**
	 * @param qAA_Level the qAA_Level to set
	 */
	public void setQAA_Level(String qAA_Level) {
		QAA_Level = qAA_Level;
	}

	/**
	 * @param idpEntity the idpEntity to set
	 */
	public void setIdpEntity(EntityDescriptor idpEntity) {
		this.idpEntity = idpEntity;
	}

	/**
	 * @param signCred the signCred to set
	 */
	public void setSignCred(Credential signCred) {
		this.signCred = signCred;
	}

		
	/**
	 * @param subjectNameID the subjectNameID to set
	 */
	public void setSubjectNameID(String subjectNameID) {
		this.subjectNameID = subjectNameID;
	}

	
	
	/**
	 * @param requestID the requestID to set
	 */
	public void setRequestID(String requestID) {
		this.requestID = requestID;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getAuthnRequestSigningCredential()
	 */
	@Override
	public Credential getAuthnRequestSigningCredential() {
		return this.signCred;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getIDPEntityDescriptor()
	 */
	@Override
	public EntityDescriptor getIDPEntityDescriptor() {
		return this.idpEntity;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getSubjectNameID()
	 */
	@Override
	public String getSubjectNameID() {
		return this.subjectNameID;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getSPNameForLogging()
	 */
	@Override
	public String getSPNameForLogging() {
		return ELGAMandatesAuthConstants.MODULE_NAME_FOR_LOGGING;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getSubjectNameIDFormat()
	 */
	@Override
	public String getSubjectNameIDFormat() {
		return NameID.PERSISTENT;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getRequestID()
	 */
	@Override
	public String getRequestID() {
		return this.requestID;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getSubjectNameIDQualifier()
	 */
	@Override
	public String getSubjectNameIDQualifier() {
		return this.subjectNameIDQualifier;
	}

	/**
	 * @param subjectNameIDQualifier the subjectNameIDQualifier to set
	 */
	public void setSubjectNameIDQualifier(String subjectNameIDQualifier) {
		this.subjectNameIDQualifier = subjectNameIDQualifier;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getSubjectConformationMethode()
	 */
	@Override
	public String getSubjectConformationMethode() {
		return SubjectConfirmation.METHOD_BEARER;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.config.IPVPAuthnRequestBuilderConfiguruation#getSubjectConformationDate()
	 */
	@Override
	public Element getSubjectConformationDate() {
		return subjectConformationDate;
	}

	/**
	 * @param subjectConformationDate the subjectConformationDate to set
	 */
	public void setSubjectConformationDate(String givenName, String familyName, String dateOfBirth) {
		try {
			Logger.trace("Build 'SubjectConfirmationData' for ELGA Mandate-Service request ...");
			//build empty 'SubjectConfirmationData' element
			SubjectConfirmationData subjectConformDate = SAML2Utils.createSAMLObject(SubjectConfirmationData.class);					
			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
			dbf.setNamespaceAware(true);
			DocumentBuilder builder = dbf.newDocumentBuilder();			
			Document doc = builder.newDocument();
			
			Marshaller out = Configuration.getMarshallerFactory()
					.getMarshaller(subjectConformDate);
			out.marshall(subjectConformDate, doc);
			
			//build root element for personal information
			Element rootDom = doc.createElementNS(
					ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_NAMESPACE_URI, 					 
					ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_ROOT);
			rootDom.setPrefix(ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_NAMESPACE);
			rootDom.setAttributeNS("http://www.w3.org/2000/xmlns/", 
					"xmlns:" + ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_NAMESPACE, 
					ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_NAMESPACE_URI);			
						
			//build personal information
			Element familyNameDom = doc.createElement(ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_FAMILYNAME);
			Element givenNameDom = doc.createElement(ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_GIVENNAME);
			Element dateOfBirthDom = doc.createElement(ELGAMandatesAuthConstants.SUBJECTCONFORMATIONDATE_ELEMENT_DATEOFBIRTH);
			familyNameDom.setTextContent(familyName);						
			givenNameDom.setTextContent(givenName);						
			dateOfBirthDom.setTextContent(dateOfBirth);
						
			//add personal information to 'SubjectConfirmationData' element
			doc.getFirstChild().appendChild(rootDom);
			rootDom.appendChild(givenNameDom);
			rootDom.appendChild(familyNameDom);
			rootDom.appendChild(dateOfBirthDom);
			
			this.subjectConformationDate = doc.getDocumentElement();
			Logger.trace("'SubjectConfirmationData' for ELGA Mandate-Service is complete");
			
		} catch (ParserConfigurationException | MarshallingException e) {
			Logger.error("Can not generate 'SubjectConformationDate' for " 
					+ ELGAMandatesAuthConstants.MODULE_NAME_FOR_LOGGING);
			
		}
		
				
	}
	
		
}