package ca.uhn.fhir.jpa.config;

/*
 * #%L
 * HAPI FHIR JPA Server
 * %%
 * Copyright (C) 2014 - 2017 University Health Network
 * %%
 * 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.
 * #L%
 */

import org.springframework.beans.factory.annotation.Autowire;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import org.springframework.web.socket.handler.PerConnectionWebSocketHandler;

import ca.uhn.fhir.jpa.subscription.SubscriptionWebsocketHandlerDstu2;

@Configuration
@EnableWebSocket()
public class WebsocketDstu2Config implements WebSocketConfigurer {
	private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(WebsocketDstu2Config.class);

	@Override
	public void registerWebSocketHandlers(WebSocketHandlerRegistry theRegistry) {
		theRegistry.addHandler(subscriptionWebSocketHandler(), "/websocket/dstu2").setAllowedOrigins("*");
	}

	@Bean(autowire = Autowire.BY_TYPE)
	public WebSocketHandler subscriptionWebSocketHandler() {
		return new PerConnectionWebSocketHandler(SubscriptionWebsocketHandlerDstu2.class);
	}

	@Bean
	public TaskScheduler websocketTaskScheduler() {
		ThreadPoolTaskScheduler retVal = new ThreadPoolTaskScheduler();
		retVal.setPoolSize(5);
		return retVal;
	}

}