package at.gv.egovernment.moa.id.auth.modules.eIDAScentralAuth.utils;

import java.util.List;

import org.apache.commons.lang3.StringUtils;

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;
import at.gv.egovernment.moa.id.auth.modules.eIDAScentralAuth.EidasCentralAuthConstants;
import at.gv.egovernment.moa.id.commons.api.AuthConfiguration;
import at.gv.egovernment.moa.id.commons.config.MOAIDConfigurationConstants;
import at.gv.egovernment.moa.logging.Logger;

public class Utils {

	public static String getCentraleIDASNodeEntityId(ISPConfiguration spConfiguration, IConfiguration authConfig) {
		//load from service-provider configuration
		String msNodeEntityID = spConfiguration.getConfigurationValue(MOAIDConfigurationConstants.SERVICE_EXTERNAL_CENTRAL_EIDASNODE_SERVICE_URL);
		
		if (StringUtils.isEmpty(msNodeEntityID)) {
			Logger.debug("No SP-specific central eIDAS-node URL. Switch to general configuration ... ");
			if (authConfig instanceof AuthConfiguration) {
				AuthConfiguration moaAuthConfig = (AuthConfiguration)authConfig;					
				List<String> configuratedEntityIDs = KeyValueUtils.getListOfCSVValues(
						moaAuthConfig.getConfigurationWithKey(MOAIDConfigurationConstants.GENERAL_AUTH_SERVICES_CENTRAL_EIDASNODE_URL));
				
				if (configuratedEntityIDs.size() > 0)
					msNodeEntityID = configuratedEntityIDs.get(0);
				else
					Logger.info("No central eIDAS-node URL in IDP configuration. Switch to backup configuration ... ");
				
			} else 
				Logger.info("Basic configuration is NOT of type '" + AuthConfiguration.class.getName()
						+ "' Switch to generic Type ... ");
				
			
			if (StringUtils.isEmpty(msNodeEntityID))
				msNodeEntityID = authConfig.getBasicConfiguration(EidasCentralAuthConstants.CONFIG_PROPS_NODE_ENTITYID);
			
		}
						
		return msNodeEntityID;
	}
}