/*
 * ============LICENSE_START=======================================================
 * PNF-REGISTRATION-HANDLER
 * ================================================================================
 * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
package org.onap.dcaegen2.services.prh.tasks;

import java.io.IOException;
import org.onap.dcaegen2.services.config.AAIClientConfiguration;
import org.onap.dcaegen2.services.prh.model.ConsumerDmaapModel;
import org.onap.dcaegen2.services.prh.configuration.AppConfig;
import org.onap.dcaegen2.services.prh.configuration.Config;
import org.onap.dcaegen2.services.prh.exceptions.AAINotFoundException;
import org.onap.dcaegen2.services.service.AAIProducerClient;
import org.onap.dcaegen2.services.service.HttpUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

/**
 * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 4/13/18
 */
@Component
public class AAIProducerTaskImpl extends AAIProducerTask<AAIProducerClient, ConsumerDmaapModel, Object> {

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

    private final Config prhAppConfig;
    private AAIProducerClient aaiProducerClient;

    @Autowired
    public AAIProducerTaskImpl(AppConfig prhAppConfig) {
        this.prhAppConfig = prhAppConfig;
    }

    @Override
    protected Object publish(ConsumerDmaapModel consumerDmaapModel) throws AAINotFoundException {
        logger.trace("Method called with arg {}", consumerDmaapModel);

        try {
            return aaiProducerClient.getHttpResponse(consumerDmaapModel)
                .filter(HttpUtils::isSuccessfulResponseCode).map(response -> consumerDmaapModel).orElseThrow(() ->
                    new AAINotFoundException("Incorrect response code for continuation of tasks workflow"));
        } catch (IOException e) {
            logger.warn("Patch request not successful", e);
            throw new AAINotFoundException("Patch request not successful");
        }
    }

    @Override
    public Object execute(Object object) throws AAINotFoundException {
        setAAIClientConfig();
        logger.trace("Method called with arg {}", object);

        if (object instanceof ConsumerDmaapModel) {
            return publish((ConsumerDmaapModel) object);
        }

        throw new AAINotFoundException("Incorrect object type");
    }

    @Override
    void initConfigs() {
        logger.trace("initConfigs for AAIProducerTaskImpl not needed/supported");
    }

    protected void setAAIClientConfig() {
        aaiProducerClient = resolveClient();
    }

    protected AAIClientConfiguration resolveConfiguration() {
        return prhAppConfig.getAAIClientConfiguration();
    }

    @Override
    protected AAIProducerClient resolveClient() {
        return new AAIProducerClient(resolveConfiguration());
    }
}