/*******************************************************************************
 * Copyright 2017 Graz University of Technology
 * EAAF-Core Components has been developed in a cooperation between EGIZ,  
 * A-SIT+, 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 "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * 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.egiz.eaaf.core.impl.idp.conf;

import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.gv.egiz.eaaf.core.api.data.EAAFConfigConstants;
import at.gv.egiz.eaaf.core.api.data.EAAFConstants;
import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
import at.gv.egiz.eaaf.core.api.idp.ISPConfiguration;
import at.gv.egiz.eaaf.core.impl.utils.KeyValueUtils;

public class SPConfigurationImpl implements ISPConfiguration {
	private static final long serialVersionUID = 688541755446463453L;

	private static final Logger log = LoggerFactory.getLogger(SPConfigurationImpl.class);
	
	private final Map<String, String> spConfiguration;
	private final List<String> targetAreasWithNoInteralBaseIdRestriction;
	private final List<String> targetAreasWithNoBaseIdTransmissionRestriction;	
	
	
	public SPConfigurationImpl(final Map<String, String> spConfig, IConfiguration authConfig) {	  
		  this.spConfiguration = spConfig;
		  
		  //set oa specific restrictions
		  targetAreasWithNoInteralBaseIdRestriction = Collections.unmodifiableList(
				  	KeyValueUtils.getListOfCSVValues(
				  			authConfig.getBasicConfiguration(
				  					CONFIG_KEY_RESTRICTIONS_BASEID_INTERNAL, 
				  					EAAFConstants.URN_PREFIX_CDID)));
		  
		  targetAreasWithNoBaseIdTransmissionRestriction = Collections.unmodifiableList(
				  	KeyValueUtils.getListOfCSVValues(
				  			authConfig.getBasicConfiguration(
				  					CONFIG_KEY_RESTRICTIONS_BASEID_TRANSMISSION, 
				  					EAAFConstants.URN_PREFIX_CDID)));
		  
		  if (log.isTraceEnabled()) {
			  log.trace("Internal policy for OA: " + getUniqueIdentifier());
			  for (String el : targetAreasWithNoInteralBaseIdRestriction)
				  log.trace(" Allow baseID processing for prefix " + el);		  
			  for (String el : targetAreasWithNoBaseIdTransmissionRestriction)
				  log.trace(" Allow baseID transfer for prefix " + el);
			  		  
		  }
	  }
	
	
	@Override
	public final Map<String, String> getFullConfiguration() {
		return this.spConfiguration;
		
	}

	@Override
	public final String getConfigurationValue(String key) {
		if (key == null)
			return null;
		else
			return this.spConfiguration.get(key);
		
	}

	@Override
	public final String getConfigurationValue(String key, String defaultValue) {
		String value = getConfigurationValue(key);
		if (value == null)
			return defaultValue;
		else 
			return value;
	}


	@Override
	public final Boolean isConfigurationValue(String key) {
		String value = getConfigurationValue(key);
		if (value != null) {
			return Boolean.parseBoolean(value);
			
		}
		
		return null;
	}


	@Override
	public final boolean isConfigurationValue(String key, boolean defaultValue) {
		String value = getConfigurationValue(key);
		if (value != null) {
			return Boolean.parseBoolean(value);
			
		}
		
		return defaultValue;
	}
	
	@Override
	public final boolean containsConfigurationKey(String key) {
		if (key == null)
			return false;
		else
			return this.spConfiguration.containsKey(key);
		
	}
	
	@Override
	public String getUniqueIdentifier() {
		return getConfigurationValue(EAAFConfigConstants.SERVICE_UNIQUEIDENTIFIER);
		
	}

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

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


	@Override
	public final List<String> getTargetsWithNoBaseIdInternalProcessingRestriction() {
		return this.targetAreasWithNoInteralBaseIdRestriction;
	}


	@Override
	public final List<String> getTargetsWithNoBaseIdTransferRestriction() {
		return this.targetAreasWithNoBaseIdTransmissionRestriction;
	}


	@Override
	public List<String> getRequiredLoA() {
		log.warn("Method not implemented: " + SPConfigurationImpl.class.getName() + " 'getRequiredLoA()'");
		return null;
	}

	@Override
	public String getLoAMatchingMode() {
		log.warn("Method not implemented: " + SPConfigurationImpl.class.getName() + " 'getLoAMatchingMode()'");
		return null;
	}
	
	@Override
	public String getAreaSpecificTargetIdentifier() {
		log.warn("Method not implemented: " + SPConfigurationImpl.class.getName() + " 'getAreaSpecificTargetIdentifier()'");
		return null;
	}


	@Override
	public String getFriendlyName() {
		log.warn("Method not implemented: " + SPConfigurationImpl.class.getName() + " 'getFriendlyName()'");
		return null;
	}

}