package at.gv.egovernment.moa.id.process.spring.test.task;

import java.util.Objects;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import at.gv.egovernment.moa.id.auth.modules.TaskExecutionException;
import at.gv.egovernment.moa.id.commons.api.IRequest;
import at.gv.egovernment.moa.id.process.api.ExecutionContext;
import at.gv.egovernment.moa.id.process.api.Task;

/**
 * A dummy task simulating the validation of an auth block.
 * <p>
 * Requires context data:
 * <ul>
 * <li>{@code IdentityLink}</li>
 * <li>{@code isIdentityLinkValidated}</li>
 * <li>{@code SignedAuthBlock}</li>
 * </ul>
 * </p>
 * <p>
 * Enriches context data with:
 * <ul>
 * <li>{@code isSignedAuthBlockValidated}</li>
 * </ul>
 * </p>
 * 
 * @author tknall
 * 
 */
@Service("ValidateSignedAuthBlockTask")
public class ValidateSignedAuthBlockTask implements Task {

	private Logger log = LoggerFactory.getLogger(getClass());

	@Override
	public IRequest execute(IRequest penReq, ExecutionContext executionContext) throws TaskExecutionException {
		Objects.requireNonNull(executionContext.get("IdentityLink"));
		assert (Boolean.TRUE.equals(Objects.requireNonNull(executionContext.get("isIdentityLinkValidated"))));
		Objects.requireNonNull(executionContext.get("SignedAuthBlock"));

		log.debug("Using validated IdentityLink and signed auth block in order to validate signed auth block.");

		executionContext.put("isSignedAuthBlockValidated", true);
		return null;
	}

}