/*******************************************************************************
 * Copyright 2016-2017 ZTE, Inc. and others.
 * 
 * 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.
 ******************************************************************************/
package org.onap.msb.apiroute.health;

import org.apache.commons.lang3.StringUtils;
import org.onap.msb.apiroute.wrapper.util.HttpClientUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.codahale.metrics.health.HealthCheck;

public class OpenRestyHealthCheck extends HealthCheck {
	private static final Logger LOGGER = LoggerFactory
			.getLogger(OpenRestyHealthCheck.class);
	private String CHECK_IP="127.0.0.1";
	private String CHECK_PORT="80";
	private String CHECK_URL = "http://"+CHECK_IP+":"+CHECK_PORT+"/api/microservices/v1/apiRoute/discoverInfo";
	
	@Override
	protected Result check() throws Exception {
		// TODO Auto-generated method stub
		
		if(!StringUtils.isBlank(System.getenv("HTTP_OVERWRITE_PORT")))
		{
			CHECK_PORT=System.getenv("HTTP_OVERWRITE_PORT");
			CHECK_URL = "http://"+CHECK_IP+":"+CHECK_PORT+"/api/microservices/v1/apiRoute/discoverInfo";
			LOGGER.info("check openresty URL:"+CHECK_URL);
		}
		
		int resultStatus = HttpClientUtil.httpGetStatus(CHECK_URL);

		if (resultStatus == 200) {
			return Result.healthy();
		} else {
			return Result
					.unhealthy("check openresty fail:" + resultStatus);
		}

	}

}