/*
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2024 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.events.cmsubscription;

import io.cloudevents.CloudEvent;
import io.cloudevents.core.builder.CloudEventBuilder;
import java.net.URI;
import java.util.UUID;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.events.EventsPublisher;
import org.onap.cps.ncmp.events.cmsubscription_merge1_0_0.ncmp_to_client.CmNotificationSubscriptionNcmpOutEvent;
import org.onap.cps.utils.JsonObjectMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.stereotype.Component;

@Component
@Slf4j
@RequiredArgsConstructor
@ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
public class CmNotificationSubscriptionNcmpOutEventProducer {

    private final EventsPublisher<CloudEvent> eventsPublisher;
    private final JsonObjectMapper jsonObjectMapper;

    @Value("${app.ncmp.avc.subscription-outcome-topic}")
    private String cmNotificationSubscriptionNcmpOutEventTopic;

    /**
     * Publish the event to the client who requested the subscription with key as subscription id and event is Cloud
     * Event compliant.
     *
     * @param subscriptionId                         Cm Subscription Id
     * @param eventType                              Type of event
     * @param cmNotificationSubscriptionNcmpOutEvent Cm Notification Subscription Event for the client
     */
    public void publishCmNotificationSubscriptionNcmpOutEvent(final String subscriptionId, final String eventType,
            final CmNotificationSubscriptionNcmpOutEvent cmNotificationSubscriptionNcmpOutEvent) {

        eventsPublisher.publishCloudEvent(cmNotificationSubscriptionNcmpOutEventTopic, subscriptionId,
                buildAndGetCmNotificationNcmpOutEventAsCloudEvent(subscriptionId, eventType,
                        cmNotificationSubscriptionNcmpOutEvent));

    }

    private CloudEvent buildAndGetCmNotificationNcmpOutEventAsCloudEvent(final String subscriptionId,
            final String eventType,
            final CmNotificationSubscriptionNcmpOutEvent cmNotificationSubscriptionNcmpOutEvent) {

        return CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withType(eventType)
                .withSource(URI.create("NCMP")).withDataSchema(URI.create("org.onap.ncmp.cm.subscription:1.0.0"))
                .withExtension("correlationid", subscriptionId)
                .withData(jsonObjectMapper.asJsonBytes(cmNotificationSubscriptionNcmpOutEvent)).build();
    }

}