/*
 * ============LICENSE_START=======================================================
 * Copyright (C) 2023 Nordix Foundation
 * ================================================================================
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */

package org.onap.cps.ncmp.api.impl.async;

import org.apache.commons.lang3.SerializationUtils;
import org.onap.cps.ncmp.event.model.DmiAsyncRequestResponseEvent;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.listener.adapter.RecordFilterStrategy;

/**
 * Batch Record filter strategy, which helps to filter the consumer records.
 *
 */
@Configuration
public class BatchRecordFilterStrategy {

    /**
     *  Filtering the consumer records based on the eventType header, It
     *  returns boolean, true means filter the consumer record and false
     *  means not filter the consumer record.
     * @return boolean value.
     */
    @Bean
    public RecordFilterStrategy<String, DmiAsyncRequestResponseEvent> excludeCloudEvents() {
        return consumedRecord -> {
            return consumedRecord.value().getEvent() == null;
        };
    }

    @Bean
    public RecordFilterStrategy<String, CloudEvents> includeDataOperationsOnly() {
        return consumedRecord -> {
            if (consumedRecord.value().getData() == null) {
                return true;
            }
            final String ceType = SerializationUtils.deserialize(consumedRecord.headers().lastHeader("ce_type").value());
            return !(ceType.startsWith("org.onap.cps.ncmp.events.async.BatchDataResponseEvent"));
        };
    }
}