/*
 * ============LICENSE_START=======================================================
 * PROJECT
 * ================================================================================
 * 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 com.google.gson.Gson;
import org.onap.dcaegen2.services.config.DmaapPublisherConfiguration;
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.DmaapNotFoundException;
import org.onap.dcaegen2.services.prh.exceptions.PrhTaskException;
import org.onap.dcaegen2.services.service.producer.ExtendedDmaapProducerHttpClientImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;

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

    private static final Logger logger = LoggerFactory.getLogger(DmaapPublisherTaskImpl.class);
    private static final Gson gson = new Gson();
    private final Config prhAppConfig;

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

    @Override
    protected String publish(ConsumerDmaapModel consumerDmaapModel) throws DmaapNotFoundException {
        logger.trace("Method called with arg {}", consumerDmaapModel);
        ExtendedDmaapProducerHttpClientImpl dmaapProducerHttpClient = new ExtendedDmaapProducerHttpClientImpl(
                resolveConfiguration());

        return dmaapProducerHttpClient.getHttpProducerResponse(consumerDmaapModel)
                .filter(x -> !x.isEmpty() && x.equals(String.valueOf(HttpStatus.OK.value())))
                .orElseThrow(() -> new DmaapNotFoundException("Incorrect response from Dmaap"));
    }

    @Override
    public Object execute(Object object) throws PrhTaskException {
        if (object instanceof ConsumerDmaapModel) {
            logger.trace("Method called with arg {}", object);
            return publish((ConsumerDmaapModel) object);
        }
        throw new DmaapNotFoundException("Incorrect object type");
    }

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

    @Override
    protected DmaapPublisherConfiguration resolveConfiguration() {
        return prhAppConfig.getDmaapPublisherConfiguration();
    }
}