/*******************************************************************************
 * 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);
        }

    }

}