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/**
 * Copyright 2016-2017 ZTE Corporation.
 *
 * 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.usecaseui.server.controller.lcm;

import org.onap.usecaseui.server.bean.ServiceBean;
import org.onap.usecaseui.server.bean.ServiceInstanceOperations;
import org.onap.usecaseui.server.constant.CommonConstant;
import org.onap.usecaseui.server.service.lcm.ServiceLcmService;
import org.onap.usecaseui.server.service.lcm.domain.so.bean.DeleteOperationRsp;
import org.onap.usecaseui.server.service.lcm.domain.so.bean.OperationProgressInformation;
import org.onap.usecaseui.server.service.lcm.domain.so.bean.SaveOrUpdateOperationRsp;
import org.onap.usecaseui.server.service.lcm.domain.so.bean.ServiceOperation;
import org.onap.usecaseui.server.util.DateUtils;
import org.onap.usecaseui.server.util.UuiCommonUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.text.ParseException;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

@Controller
@org.springframework.context.annotation.Configuration
@EnableAspectJAutoProxy
@CrossOrigin(origins="*")
public class ServiceLcmController {

    private static final Logger logger = LoggerFactory.getLogger(ServiceLcmController.class);

    @Resource(name="ServiceLcmService")
    private ServiceLcmService serviceLcmService;

    public void setServiceLcmService(ServiceLcmService serviceLcmService) {
        this.serviceLcmService = serviceLcmService;
    }

    @ResponseBody
    @PostMapping(value = {"/uui-lcm/services"}, produces = "application/json")
    public ServiceOperation instantiateService(HttpServletRequest request) throws ParseException{
    	String customerId = request.getParameter("customerId");
    	String serviceType = request.getParameter("serviceType");
    	String serviceDomain = request.getParameter("serviceDomain");
        String uuid = request.getParameter("uuid");
        String invariantUuuid = request.getParameter("invariantUuuid");
    	ServiceBean serviceBean = new ServiceBean(UuiCommonUtil.getUUID(),null,customerId,serviceType,serviceDomain,uuid,invariantUuuid);
    	ServiceOperation serviceOperation = serviceLcmService.instantiateService(request);
    	String serviceId = serviceOperation.getService().getServiceId();
    	String operationId = serviceOperation.getService().getOperationId();
    	serviceBean.setServiceInstanceId(serviceId);
    	ServiceInstanceOperations serviceOpera = new ServiceInstanceOperations(serviceId,operationId, CommonConstant.CREATING_CODE,"0", CommonConstant.IN_PROGRESS_CODE,DateUtils.dateToString(DateUtils.now()),null);
    	serviceLcmService.saveOrUpdateServiceBean(serviceBean);
    	serviceLcmService.saveOrUpdateServiceInstanceOperation(serviceOpera);
        return serviceOperation;
    }

    @ResponseBody
    @GetMapping(value = {"/uui-lcm/services/{serviceId}/operations/{operationId}"}, produces = "application/json")
    public OperationProgressInformation queryOperationProgress(HttpServletRequest request,@PathVariable(value="serviceId") String serviceId, @PathVariable(value="operationId") String operationId){
    	String operationType = request.getParameter("operationType");
    	String operationResult = CommonConstant.IN_PROGRESS_CODE;
    	OperationProgressInformation operationProgressInformation =serviceLcmService.queryOperationProgress(serviceId, operationId);
    	if(UuiCommonUtil.isNotNullOrEmpty(operationProgressInformation)&&UuiCommonUtil.isNotNullOrEmpty(operationProgressInformation.getOperationStatus())){
    		//serviceLcmService.updateServiceInstanceStatusById(operationProgressInformation.getOperationStatus().getResult(), serviceId);
    		int progress =operationProgressInformation.getOperationStatus().getProgress();
                String status = operationProgressInformation.getOperationStatus().getOperationContent().toLowerCase();
    		if (status.contains("failed")) {
			operationResult = CommonConstant.FAIL_CODE;
		} else {
			if(0<=progress&&progress<100){
				operationResult= CommonConstant.IN_PROGRESS_CODE;
			}else if(progress==100){
		   		operationResult= CommonConstant.SUCCESS_CODE;
			  		}
			}
		serviceLcmService.updateServiceInstanceOperation(serviceId,operationType,progress+"",operationResult);
    	}
    	return operationProgressInformation;
    }

    @ResponseBody
    @DeleteMapping(value = {"/uui-lcm/services/{serviceId}"}, produces = "application/json")
    public DeleteOperationRsp terminateService(@PathVariable(value = "serviceId") String serviceId, HttpServletRequest request) throws ParseException{
    	DeleteOperationRsp deleteOperationRsp = serviceLcmService.terminateService(serviceId, request);
    	ServiceInstanceOperations serviceOpera = new ServiceInstanceOperations(serviceId,deleteOperationRsp.getOperationId(), CommonConstant.DELETING_CODE,"0", CommonConstant.IN_PROGRESS_CODE,DateUtils.dateToString(DateUtils.now()),null);
    	serviceLcmService.saveOrUpdateServiceInstanceOperation(serviceOpera);
    	return deleteOperationRsp;
    }
    
    /**
     * 
      * scaleServices
      * 
      * @Auther YYY
      * @Date   2018/04/19 16:12:45
      * @Title: scaleServices
      * @Description: Scaling out/in
      * @param serviceId
      * @param request
      * @return
     * @throws ParseException 
     */
    @ResponseBody
    @PostMapping(value = {"/uui-lcm/services/scaleServices/{serviceId}"}, produces = "application/json")
    public SaveOrUpdateOperationRsp scaleServices(@PathVariable(value = "serviceId") String serviceId, HttpServletRequest request) throws ParseException{
    	SaveOrUpdateOperationRsp saveOrUpdateOperationRsp =serviceLcmService.scaleService(serviceId, request);
    	ServiceInstanceOperations serviceOpera = new ServiceInstanceOperations(serviceId,saveOrUpdateOperationRsp.getOperationId(), CommonConstant.SCALING_CODE,"0", CommonConstant.IN_PROGRESS_CODE,DateUtils.dateToString(DateUtils.now()),null);
    	serviceLcmService.saveOrUpdateServiceInstanceOperation(serviceOpera);
    	return saveOrUpdateOperationRsp;
    }
    
    /**
     * 
      * updateServices
      * 
      * @Auther YYY
      * @Date   2018/04/19 16:13:59
      * @Title: updateServices
      * @Description: Upgrade
      * @param serviceId
      * @param request
      * @return
     * @throws ParseException 
     */
    @ResponseBody
    @PutMapping(value = {"/uui-lcm/services/updateService/{serviceId}"}, produces = "application/json")
    public SaveOrUpdateOperationRsp updateServices(@PathVariable(value = "serviceId") String serviceId, HttpServletRequest request) throws ParseException{
    	SaveOrUpdateOperationRsp saveOrUpdateOperationRsp =serviceLcmService.scaleService(serviceId, request);
    	ServiceInstanceOperations serviceOpera = new ServiceInstanceOperations(serviceId,saveOrUpdateOperationRsp.getOperationId(), CommonConstant.UPDATING_CODE,"0", CommonConstant.IN_PROGRESS_CODE,DateUtils.dateToString(DateUtils.now()),null);
    	serviceLcmService.saveOrUpdateServiceInstanceOperation(serviceOpera);
    	return saveOrUpdateOperationRsp;
    }
}