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/*-
 * ============LICENSE_START==========================================
 * ONAP Portal
 * ===================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 *
 * Unless otherwise specified, all software contained herein is licensed
 * under the Apache License, Version 2.0 (the "License");
 * you may not use this software 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.
 *
 * Unless otherwise specified, all documentation contained herein is licensed
 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
 * you may not use this documentation except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             https://creativecommons.org/licenses/by/4.0/
 *
 * Unless required by applicable law or agreed to in writing, documentation
 * 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.onap.portal.controller;

import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import org.json.JSONObject;
import org.onap.portal.logging.aop.EPAuditLog;
import org.onap.portal.logging.logic.EPLogUtil;
import org.onap.portal.scheduler.SchedulerProperties;
import org.onap.portal.scheduler.restobjects.RestObject;
import org.onap.portal.scheduler.scheduleraux.SchedulerAuxResponseWrapper;
import org.onap.portal.scheduler.scheduleraux.SchedulerAuxRestInterface;
import org.onap.portal.scheduler.scheduleraux.SchedulerAuxUtil;
import org.onap.portal.utils.PortalConstants;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping(PortalConstants.PORTAL_AUX_API)
@Configuration
@EnableAspectJAutoProxy
@EPAuditLog
public class SchedulerAuxController {

    private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SchedulerAuxController.class);

    @RequestMapping(value = "/get_policy", method = RequestMethod.GET, produces = "application/json")
    public ResponseEntity<String> getPolicyInfo(HttpServletRequest request) throws Exception {
        try {

            logger.debug(EELFLoggerDelegate.debugLogger,
                "SchedulerAux Controller Call Started: " + SchedulerProperties.SCHEDULERAUX_GET_CONFIG_VAL);
            String path = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_GET_CONFIG_VAL);
            SchedulerAuxResponseWrapper policyResWrapper = getPolicyConfig(path);

            logger.debug(EELFLoggerDelegate.debugLogger, "SchedulerAux Request END : Response: ",
                new ResponseEntity<>(policyResWrapper.getResponse(), HttpStatus.OK).toString());

            return (new ResponseEntity<>(policyResWrapper.getResponse(),
                HttpStatus.valueOf(policyResWrapper.getStatus())));
        } catch (Exception e) {
            SchedulerAuxResponseWrapper policyResWrapper = new SchedulerAuxResponseWrapper();
            policyResWrapper.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
            policyResWrapper.setEntity(e.getMessage());
            logger.error(EELFLoggerDelegate.errorLogger, "Exception with getpolicy ", e);
            return (new ResponseEntity<>(policyResWrapper.getResponse(), HttpStatus.INTERNAL_SERVER_ERROR));
        }
    }

    private static SchedulerAuxResponseWrapper getPolicyConfig(String path) throws Exception {
        String methodName = "getPolicyConfig";
        String uuid = UUID.randomUUID().toString();
        logger.debug(EELFLoggerDelegate.debugLogger, "starting getPolicyConfig ");

        try {
            SchedulerAuxRestInterface policyRestController = new SchedulerAuxRestInterface();
            JSONObject request = new JSONObject();
            String policyName = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULER_POLICY_NAME);
            request.put("policyName", policyName);
            RestObject<String> restObjStr = new RestObject<>();
            String str = "";
            restObjStr.setT(str);
            policyRestController.post(str, request, uuid, path, restObjStr);
            SchedulerAuxResponseWrapper policyRespWrapper = SchedulerAuxUtil.wrapResponse(restObjStr);
            logger.debug(EELFLoggerDelegate.debugLogger, "Getpolicy Request END : Response: ", methodName,
                policyRespWrapper.getResponse());
            if (policyRespWrapper.getStatus() != 200) {
                String message = String.format(
                    " get policy Information failed  . MethodName: %s, PolicyRespWrapperResponse: %s", methodName,
                    policyRespWrapper.getResponse());
                logger.error(EELFLoggerDelegate.errorLogger, message);
                EPLogUtil.schedulerAccessAlarm(logger, policyRespWrapper.getStatus());
            }
            return policyRespWrapper;
        } catch (Exception e) {
            String message = String
                .format(" EXCEPTION in getPolicyConfig  . MethodName: %s and Exception:  %s", methodName, e);
            logger.error(EELFLoggerDelegate.errorLogger, "EXCEPTION in getPolicyConfig", message);
            throw e;
        }
    }
}