/*
 * 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.reactive.streams.springboot;

import org.apache.camel.CamelContext;
import org.apache.camel.component.reactive.streams.ReactiveStreamsHelper;
import org.apache.camel.component.reactive.streams.api.CamelReactiveStreamsService;
import org.apache.camel.component.reactive.streams.api.CamelReactiveStreamsServiceFactory;
import org.apache.camel.component.reactive.streams.engine.DefaultCamelReactiveStreamsServiceFactory;
import org.apache.camel.component.reactive.streams.engine.ReactiveStreamsEngineConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;

@AutoConfigureAfter(ReactiveStreamsComponentAutoConfiguration.class)
@ConditionalOnBean(ReactiveStreamsComponentAutoConfiguration.class)
@EnableConfigurationProperties(ReactiveStreamsComponentConfiguration.class)
@Configuration
public class ReactiveStreamsServiceAutoConfiguration {

    @Lazy
    @Bean
    @ConditionalOnMissingBean
    public CamelReactiveStreamsService camelReactiveStreamsService(CamelContext context,
                                                                   ReactiveStreamsComponentConfiguration configuration) {
        ReactiveStreamsEngineConfiguration engineConfiguration = new ReactiveStreamsEngineConfiguration();

        if (configuration.getReactiveStreamsEngineConfiguration() != null) {
            engineConfiguration = configuration.getReactiveStreamsEngineConfiguration();
        } else {
            engineConfiguration.setThreadPoolName(configuration.getThreadPoolName());
            if (configuration.getThreadPoolMinSize() != null) {
                engineConfiguration.setThreadPoolMinSize(configuration.getThreadPoolMinSize());
            }
            if (configuration.getThreadPoolMaxSize() != null) {
                engineConfiguration.setThreadPoolMinSize(configuration.getThreadPoolMaxSize());
            }
        }

        return new DefaultCamelReactiveStreamsServiceFactory().newInstance(context, engineConfiguration);
    }

}
