/*-
 * ========================LICENSE_START=================================
 * org.etsi.osl.tmf.api
 * %%
 * Copyright (C) 2019 - 2020 openslice.io
 * %%
 * 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.
 * =========================LICENSE_END==================================
 */
package org.etsi.osl.tmf.so641.api;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.ObjectMapper;

import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.etsi.osl.centrallog.client.CLevel;
import org.etsi.osl.centrallog.client.CentralLogger;
import org.etsi.osl.tmf.common.model.Notification;
import org.etsi.osl.tmf.so641.model.ServiceOrderAttributeValueChangeNotification;
import org.etsi.osl.tmf.so641.model.ServiceOrderCreateNotification;
import org.etsi.osl.tmf.so641.model.ServiceOrderDeleteNotification;
import org.etsi.osl.tmf.so641.model.ServiceOrderStateChangeNotification;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

@Configuration
//@RefreshScope
@Component
public class ServiceOrderApiRouteBuilderEvents extends RouteBuilder {

	private static final transient Log logger = LogFactory.getLog(ServiceOrderApiRouteBuilderEvents.class.getName());

	
	

	@Value("${EVENT_SERVICE_ORDER_CREATE}")
	private String EVENT_SERVICE_ORDER_CREATE = "";
	
	@Value("${EVENT_SERVICE_ORDER_STATE_CHANGED}")
	private String EVENT_SERVICE_ORDER_STATE_CHANGED = "";
	
	@Value("${EVENT_SERVICE_ORDER_DELETE}")
	private String EVENT_SERVICE_ORDER_DELETE = "";
	
	@Value("${EVENT_SERVICE_ORDER_ATTRIBUTE_VALUE_CHANGED}")
	private String EVENT_SERVICE_ORDER_ATTRIBUTE_VALUE_CHANGED = "";

	

	@Value("${spring.application.name}")
	private String compname;
	
	@Autowired
	private ProducerTemplate template;


	@Autowired
	private CentralLogger centralLogger;

	@Override
	public void configure() throws Exception {

	
		

	}

	/**
	 * @param n
	 */
    @Transactional
	public void publishEvent(final Notification n, final String objId) {
		n.setEventType( n.getClass().getName());
		logger.info("will send Event for type " + n.getEventType());
		try {
			String msgtopic="";
			
			if ( n instanceof ServiceOrderCreateNotification) {
				 msgtopic = EVENT_SERVICE_ORDER_CREATE;
			} else if ( n instanceof ServiceOrderStateChangeNotification) {
				 msgtopic = EVENT_SERVICE_ORDER_STATE_CHANGED;				
			} else if ( n instanceof ServiceOrderDeleteNotification) {
				 msgtopic = EVENT_SERVICE_ORDER_DELETE;				
			} else if ( n instanceof ServiceOrderAttributeValueChangeNotification) {
				 msgtopic = EVENT_SERVICE_ORDER_ATTRIBUTE_VALUE_CHANGED;				
			}
			Map<String, Object> map = new HashMap<>();
			map.put("eventid", n.getEventId() );
			map.put("objId", objId );
			
			String apayload = toJsonString(n);
			template.sendBodyAndHeaders(msgtopic, apayload , map);
			

			centralLogger.log( CLevel.INFO, apayload, compname );	

		} catch (Exception e) {
			e.printStackTrace();
			logger.error("Cannot send Event . " + e.getMessage()  );
		}
	}

	static String toJsonString(Object object) throws IOException {
		ObjectMapper mapper = new ObjectMapper();
		mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
		return mapper.writeValueAsString(object);
	}

	
	

	
	static <T> T toJsonObj(String content, Class<T> valueType)  throws IOException {
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        return mapper.readValue( content, valueType);
    }
	
	
}
