package at.asitplus.test.eidas.specific.modules.authmodule_eIDASv2;

import java.security.MessageDigest;

import org.apache.commons.lang3.StringUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.util.Base64Utils;

import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.exception.SQLiteServiceException;
import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.exception.eIDASAuthenticationException;
import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.service.eIDASDataStore;
import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.utils.eIDASResponseUtils;
import at.gv.egiz.eaaf.core.impl.data.Trible;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/SpringTest-context_basic_test.xml")
public class eIDASDataStoreTest {

	@Autowired private eIDASDataStore dataStore; 
	
	private static final String P1_TRANSID = "123456789";
	private static final String P1_eIDASID = "DE/AT/121asdf1as5f1as6f1asd2f1asdf1asdf1asd23f1asdf1asdf4sd7fsdf1asdf1asd2f1asd56f7asdf4asdfasdf1";
	
	private static final String P2_TRANSID = "987654321";
	private static final String P2_eIDASID = "EE/AT/asfasfasdfasdfasdfasdfasdfasvafasdfasdfasdfasdfasdfasvascasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasd";
	
	@Test
	public void dummyTest() { 
				
	} 
		
	@Test
	public void insertTestOne() throws SQLiteServiceException, eIDASAuthenticationException {
		Trible<String, String, String> eidasId = eIDASResponseUtils.parseEidasPersonalIdentifier(P1_eIDASID);
		String ernbId = createHashFromUniqueId(eidasId.getThird());
		dataStore.storeNationalId(
				P1_TRANSID, 
				eidasId, 
				ernbId);	
		
		
		if (StringUtils.isEmpty(dataStore.getEidasRawNationalId(ernbId))
				&& dataStore.getEidasRawNationalId(ernbId).equals(eidasId.getThird()))
			throw new SQLiteServiceException("No eIDAS RAW Id in SQLite DB", null);
		
		if (StringUtils.isEmpty(dataStore.getErnbNationalId(eidasId))
				&& dataStore.getErnbNationalId(eidasId).equals(ernbId) )
			throw new SQLiteServiceException("No ERnB Id in SQLite DB", null);
		
	}
	
	@Test
	public void insertTestTwo() throws SQLiteServiceException, eIDASAuthenticationException {
		Trible<String, String, String> eidasId = eIDASResponseUtils.parseEidasPersonalIdentifier(P2_eIDASID);
		String ernbId = createHashFromUniqueId(eidasId.getThird());
		dataStore.storeNationalId(
				P2_TRANSID, 
				eidasId, 
				ernbId);
		
		if (StringUtils.isEmpty(dataStore.getEidasRawNationalId(ernbId)) 
				&& dataStore.getEidasRawNationalId(ernbId).equals(eidasId.getThird()))
			throw new SQLiteServiceException("No eIDAS RAW Id in SQLite DB", null);
		
		if (StringUtils.isEmpty(dataStore.getErnbNationalId(eidasId))
				&& dataStore.getErnbNationalId(eidasId).equals(ernbId))
			throw new SQLiteServiceException("No ERnB Id in SQLite DB", null);
		
	}
	
	private String createHashFromUniqueId(String uniqueId) throws eIDASAuthenticationException {
		try {
            MessageDigest md = MessageDigest.getInstance("SHA-256");
            byte[] hash = md.digest(uniqueId.getBytes("UTF-8"));
            String hashBase64 = new String(Base64Utils.encode(hash), "UTF-8").replaceAll("\r\n", "");
            return hashBase64;
            
        } catch (Exception ex) {
            throw new eIDASAuthenticationException("internal.03", new Object[]{},  ex);
            
        }
	}
}