/*******************************************************************************
 * Copyright 2019 Graz University of Technology
 * MOA ZS has been developed in a cooperation between EGIZ
 * 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.moazs.repository;

import at.gv.egiz.moazs.scheme.Marshaller;
import at.gv.egiz.moazs.scheme.MsgResponse;
import at.gv.zustellung.app2mzs.xsd.DeliveryRequestType;
import at.gv.zustellung.app2mzs.xsd.ObjectFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Repository;

import javax.xml.bind.JAXBElement;
import java.util.Optional;

/**
 * @author Christof Rabensteiner
 *
 */
@Repository
@Profile("cluster")
public class RedisDeliveryRepository implements DeliveryRepository {

    private static final Logger logger = LoggerFactory.getLogger(RedisDeliveryRepository.class);

    private static final String KEY = "MZS_DELIVERY_REQUEST";
    private static final String NOT_IMPLEMENTED_MESSAGE = "Not Implemented Yet";

    private final RedisTemplate<String, Object> redisTemplate;
    private final Marshaller marshaller;
    private final HashOperations<String, String, String> hashOperations;
    private final ObjectFactory factory = new ObjectFactory();

    @Autowired
    public RedisDeliveryRepository(RedisTemplate<String, Object> redisTemplate, Marshaller mzsMarshaller){
        logger.info("RedisDeliveryRepository()");

        this.redisTemplate = redisTemplate;
        this.hashOperations = redisTemplate.opsForHash();
        this.marshaller = mzsMarshaller;
    }

    @Override
    public void store(DeliveryRequestType request) {
        var hashKey = request.getMetaData().getAppDeliveryID();
        var serializedRequest = marshaller.marshallXml(factory.createDeliveryRequest(request));

        logger.info("Save DeliveryRequest with AppDeliveryID={} to redis.", hashKey);
        hashOperations.put(KEY, hashKey, serializedRequest);
    }

    @Override
    public Optional<DeliveryRequestType> retrieveDeliveryRequest(String appDeliveryID) {
        throw new UnsupportedOperationException(NOT_IMPLEMENTED_MESSAGE);
    }

    @Override
    public void store(MsgResponse notification) {
        throw new UnsupportedOperationException(NOT_IMPLEMENTED_MESSAGE);

    }

    @Override
    public Optional<MsgResponse> retrieveResponse(String id) {
        throw new UnsupportedOperationException(NOT_IMPLEMENTED_MESSAGE);
    }

    @Override
    public void store(String responseID, byte[] data) {

    }

    @Override
    public Optional<byte[]> retrieveBinaryResponse(String responseID) {
        return Optional.empty();
    }

}