/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package org.apache.camel.component.azure.servicebus;

import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;

import com.azure.core.util.BinaryData;
import com.azure.messaging.servicebus.ServiceBusMessage;
import org.apache.camel.util.ObjectHelper;

import static org.apache.camel.Exchange.CONTENT_TYPE;

public final class ServiceBusUtils {

    private ServiceBusUtils() {
    }

    public static ServiceBusMessage createServiceBusMessage(
            final Object data, final Map<String, Object> applicationProperties, final String correlationId,
            final String sessionId) {
        ServiceBusMessage serviceBusMessage;
        if (data instanceof String) {
            serviceBusMessage = new ServiceBusMessage((String) data);
        } else if (data instanceof byte[]) {
            serviceBusMessage = new ServiceBusMessage((byte[]) data);
        } else if (data instanceof BinaryData) {
            serviceBusMessage = new ServiceBusMessage((BinaryData) data);
        } else {
            throw new IllegalArgumentException("Make sure your message data is in String, byte[] or BinaryData");
        }
        if (applicationProperties != null) {
            serviceBusMessage.getRawAmqpMessage().getApplicationProperties().putAll(applicationProperties);

            final Object contentType = serviceBusMessage.getRawAmqpMessage().getApplicationProperties().get(CONTENT_TYPE);
            if (contentType != null) {
                serviceBusMessage.getRawAmqpMessage().getProperties().setContentType(contentType.toString());
            }
        }
        if (ObjectHelper.isNotEmpty(correlationId)) {
            serviceBusMessage.setCorrelationId(correlationId);
        }
        if (ObjectHelper.isNotEmpty(sessionId)) {
            serviceBusMessage.setSessionId(sessionId);
        }
        return serviceBusMessage;
    }

    public static Iterable<ServiceBusMessage> createServiceBusMessages(
            final Iterable<?> data, final Map<String, Object> applicationProperties, final String correlationId,
            final String sessionId) {
        return StreamSupport.stream(data.spliterator(), false)
                .map(obj -> createServiceBusMessage(obj, applicationProperties, correlationId, sessionId))
                .collect(Collectors.toList());
    }

    public static void validateConfiguration(final ServiceBusConfiguration configuration, final boolean isConsumer) {
        final boolean customClientAbsent
                = isConsumer ? configuration.getProcessorClient() == null : configuration.getSenderClient() == null;
        if (customClientAbsent && isConnectionStringOrFQNSAbsent(configuration)) {
            throw new IllegalArgumentException("Azure ServiceBus ConnectionString or FQNS must be specified.");
        }
    }

    static boolean isConnectionStringOrFQNSAbsent(final ServiceBusConfiguration configuration) {
        return ObjectHelper.isEmpty(configuration.getConnectionString())
                && ObjectHelper.isEmpty(configuration.getFullyQualifiedNamespace());
    }
}
