/*******************************************************************************
 * Copyright 2018 A-SIT Plus GmbH
 * AT-specific eIDAS Connector has been developed in a cooperation between EGIZ, 
 * A-SIT Plus GmbH, A-SIT, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "License");
 * You may not use this work except in compliance with the License.
 * You may obtain a copy of the License at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 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.asitplus.eidas.specific.connector.config;

import java.util.Arrays;
import java.util.List;

import org.opensaml.saml2.core.Attribute;
import org.opensaml.saml2.core.NameIDType;
import org.opensaml.saml2.metadata.ContactPerson;
import org.opensaml.saml2.metadata.Organization;
import org.opensaml.saml2.metadata.RequestedAttribute;
import org.opensaml.xml.security.credential.Credential;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.asitplus.eidas.specific.connector.MSeIDASNodeConstants;
import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
import at.gv.egiz.eaaf.core.exceptions.EaafException;
import at.gv.egiz.eaaf.modules.pvp2.api.IPvp2BasicConfiguration;
import at.gv.egiz.eaaf.modules.pvp2.api.metadata.IPvpMetadataBuilderConfiguration;
import at.gv.egiz.eaaf.modules.pvp2.exception.CredentialsNotAvailableException;
import at.gv.egiz.eaaf.modules.pvp2.impl.builder.PvpAttributeBuilder;
import at.gv.egiz.eaaf.modules.pvp2.impl.utils.AbstractCredentialProvider;

public class PVPMetadataConfiguration implements IPvpMetadataBuilderConfiguration{
	private static final Logger log = LoggerFactory.getLogger(PVPMetadataConfiguration.class);
	
	private IConfiguration basicConfig;
	private String authUrl;
	private AbstractCredentialProvider pvpIDPCredentials;
	private IPvp2BasicConfiguration pvpBasicConfig;
	
	public PVPMetadataConfiguration(IConfiguration basicConfig, String authURL, IPvp2BasicConfiguration pvpBasicConfig, AbstractCredentialProvider pvpIDPCredentials) {
		this.authUrl = authURL;
		this.pvpIDPCredentials = pvpIDPCredentials;
		this.basicConfig = basicConfig;
		this.pvpBasicConfig = pvpBasicConfig;
		
	}
	
	@Override 
	public String getSpNameForLogging() {
		return "PVP2 S-Profile IDP";
	}

	@Override
	public int getMetadataValidUntil() {
		return Integer.valueOf(basicConfig.getBasicConfiguration(
				MSeIDASNodeConstants.PROP_CONFIG_PVP2_METADATA_VALIDITY, 
				String.valueOf(MSeIDASNodeConstants.DEFAULT_PVP_METADATA_VALIDITY)));
		
	}

	@Override
	public boolean buildEntitiesDescriptorAsRootElement() {
		return false;
		
	}

	@Override
	public boolean buildIdpSsoDescriptor() {
		return true;
		
	}

	@Override
	public boolean buildSpSsoDescriptor() {
		return false;
		
	}

	@Override
	public String getEntityID() {
		try {
			return pvpBasicConfig.getIdpEntityId(authUrl);
			
		} catch (EaafException e) {
			log.error("Can NOT build PVP metadata configuration.", e);
			throw new RuntimeException("Can NOT build PVP metadata configuration.");
			
		}
		
	}

	@Override
	public String getEntityFriendlyName() {
		return null;
		
	}

	@Override
	public List<ContactPerson> getContactPersonInformation() {		
		try {
			return pvpBasicConfig.getIdpContacts();
			
		} catch (EaafException e) {
			log.error("Can NOT build PVP metadata configuration.", e);
			throw new RuntimeException("Can NOT build PVP metadata configuration.");
			
		}
		
	}

	@Override
	public Organization getOrgansiationInformation() {
		try {
			return pvpBasicConfig.getIdpOrganisation();
			
		} catch (EaafException e) {
			log.error("Can NOT build PVP metadata configuration.", e);
			throw new RuntimeException("Can NOT build PVP metadata configuration.");
			
		}
	}

	@Override
	public Credential getMetadataSigningCredentials() throws CredentialsNotAvailableException {
		return pvpIDPCredentials.getIdpMetaDataSigningCredential();
		
	}

	@Override
	public Credential getRequestorResponseSigningCredentials() throws CredentialsNotAvailableException {
		return pvpIDPCredentials.getIdpAssertionSigningCredential();
		
	}

	@Override
	public Credential getEncryptionCredentials() throws CredentialsNotAvailableException {
		return null;
		
		
	}

	@Override
	public String getIdpWebSsoPostBindingUrl() {
		try {
			return pvpBasicConfig.getIdpSsoPostService(authUrl);
			
		} catch (EaafException e) {
			log.error("Can NOT build PVP metadata configuration.", e);
			throw new RuntimeException("Can NOT build PVP metadata configuration.");
			
		}
		
	}

	@Override
	public String getIdpWebSsoRedirectBindingUrl() {
		try {
			return pvpBasicConfig.getIdpSsoRedirectService(authUrl);
			
		} catch (EaafException e) {
			log.error("Can NOT build PVP metadata configuration.", e);
			throw new RuntimeException("Can NOT build PVP metadata configuration.");
			
		}
	}

	@Override
	public String getIdpSloPostBindingUrl() {
		return null;
		
	}

	@Override
	public String getIdpSloRedirectBindingUrl() {
		return null;
		
	}

	@Override
	public String getSpAssertionConsumerServicePostBindingUrl() {
		return null;
		
	}

	@Override
	public String getSpAssertionConsumerServiceRedirectBindingUrl() {
		return null;
		
	}

	@Override
	public String getSpSloPostBindingUrl() {
		return null;
		
	}

	@Override
	public String getSpSloRedirectBindingUrl() {
		return null;
		
	}

	@Override
	public String getSpSloSoapBindingUrl() {
		return null;
		
	}

	@Override
	public List<Attribute> getIdpPossibleAttributes() {
		return PvpAttributeBuilder.buildSupportedEmptyAttributes();
		
	}

	@Override
	public List<String> getIdpPossibleNameIdTypes() {
		return Arrays.asList(NameIDType.PERSISTENT, 
				 NameIDType.TRANSIENT,
				 NameIDType.UNSPECIFIED);
	}

	@Override
	public List<RequestedAttribute> getSpRequiredAttributes() {
		return null;
		
	}

	@Override
	public List<String> getSpAllowedNameIdTypes() {
		return null;
		
	}

	@Override
	public boolean wantAssertionSigned() {
		return false;
		
	}

	@Override
	public boolean wantAuthnRequestSigned() {
		return true;
		
	}

}