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/*-
 * ============LICENSE_START=======================================================
 * ONAP-PAP-REST
 * ================================================================================
 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.onap.policy.pap.xacml.rest.controller;

import java.io.IOException;
import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.onap.policy.pap.xacml.rest.util.DictionaryUtils;
import org.onap.policy.rest.dao.CommonClassDao;
import org.onap.policy.rest.jpa.RiskType;
import org.onap.policy.rest.jpa.SafePolicyWarning;
import org.onap.policy.rest.jpa.UserInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

@Controller
public class SafePolicyController {

	private static CommonClassDao commonClassDao;
	private static String duplicateResponseString = "Duplicate";
	private static String operation = "operation";
	private static String riskTypeDatas = "riskTypeDictionaryDatas";
	private static String safePolicyWarningDatas = "safePolicyWarningDatas";

	@Autowired
	public SafePolicyController(CommonClassDao commonClassDao){
		SafePolicyController.commonClassDao = commonClassDao;
	}
	
	public void setCommonClassDao(CommonClassDao commonClassDao){
		SafePolicyController.commonClassDao = commonClassDao;
	}
	
	public SafePolicyController(){
		super();
	}	
	
	private DictionaryUtils getDictionaryUtilsInstance(){
		return DictionaryUtils.dictionaryUtils != null ? DictionaryUtils.getDictionaryUtils() : new DictionaryUtils();
	}
	
	@RequestMapping(value = { "/get_RiskTypeDataByName" }, method = {RequestMethod.GET }, produces = MediaType.APPLICATION_JSON_VALUE)
	public void getRiskTypeDictionaryByNameEntityData(HttpServletResponse response) {
		DictionaryUtils utils = getDictionaryUtilsInstance();
		utils.getDataByEntity(response, riskTypeDatas, "name", RiskType.class);
	}

	@RequestMapping(value = { "/get_RiskTypeData" }, method = {RequestMethod.GET }, produces = MediaType.APPLICATION_JSON_VALUE)
	public void getRiskTypeDictionaryEntityData(HttpServletResponse response) {
		DictionaryUtils utils = getDictionaryUtilsInstance();
		utils.getData(response, riskTypeDatas, RiskType.class);
	}

	@RequestMapping(value = { "/sp_dictionary/save_riskType" }, method = {RequestMethod.POST })
	public ModelAndView saveRiskTypeDictionary(HttpServletRequest request, HttpServletResponse response) throws IOException {
		DictionaryUtils utils = getDictionaryUtilsInstance();
		try {
			boolean fromAPI = utils.isRequestFromAPI(request);
			ObjectMapper mapper = new ObjectMapper();
			mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
			JsonNode root = mapper.readTree(request.getReader());
            RiskType riskTypeData;
            String userId = null;
            if (fromAPI) {
                riskTypeData = mapper.readValue(root.get("dictionaryFields").toString(), RiskType.class);
                userId = "API";
            } else {
            	riskTypeData = mapper.readValue(root.get("riskTypeDictionaryData").toString(), RiskType.class);
            	userId = root.get("userid").textValue();
            }
            UserInfo userInfo = utils.getUserInfo(userId);
            List<Object> duplicateData =  commonClassDao.checkDuplicateEntry(riskTypeData.getRiskName(), "name", RiskType.class);
			boolean duplicateflag = false;
            if(!duplicateData.isEmpty()){
            	RiskType data = (RiskType) duplicateData.get(0);
				if(request.getParameter(operation) != null && "update".equals(request.getParameter(operation))){
					riskTypeData.setId(data.getId());
				}else if((request.getParameter(operation) != null && !"update".equals(request.getParameter(operation))) || 
						(request.getParameter(operation) == null && (data.getId() != riskTypeData.getId()))){
					duplicateflag = true;
				}
			}
            String responseString = null;
			if(!duplicateflag){
				riskTypeData.setUserModifiedBy(userInfo);
				if(riskTypeData.getId() == 0){
					riskTypeData.setUserCreatedBy(userInfo);
					commonClassDao.save(riskTypeData);
				}else{
					riskTypeData.setModifiedDate(new Date());
					commonClassDao.update(riskTypeData); 
				} 
				responseString = mapper.writeValueAsString(commonClassDao.getData(RiskType.class));
			}else{
				responseString = duplicateResponseString;
			}
			if(fromAPI){
				return utils.getResultForApi(responseString);
			}else{
				utils.setResponseData(response, riskTypeDatas, responseString);
			}
        }catch (Exception e) {
        	utils.setErrorResponseData(response, e);
		}
		return null;
	}

	@RequestMapping(value = { "/sp_dictionary/remove_riskType" }, method = {RequestMethod.POST })
	public void removeRiskTypeDictionary(HttpServletRequest request, HttpServletResponse response) throws IOException{
		DictionaryUtils utils = getDictionaryUtilsInstance();
		utils.removeData(request, response, riskTypeDatas, RiskType.class);
	}
	
	@RequestMapping(value = { "/get_SafePolicyWarningDataByName" }, method = {RequestMethod.GET }, produces = MediaType.APPLICATION_JSON_VALUE)
	public void getSafePolicyWarningEntityDataByName(HttpServletResponse response) {
		DictionaryUtils utils = getDictionaryUtilsInstance();
		utils.getDataByEntity(response, safePolicyWarningDatas, "name", SafePolicyWarning.class);
	}

	@RequestMapping(value = { "/get_SafePolicyWarningData" }, method = {RequestMethod.GET }, produces = MediaType.APPLICATION_JSON_VALUE)
	public void getSafePolicyWarningeEntityData(HttpServletResponse response) {
		DictionaryUtils utils = getDictionaryUtilsInstance();
		utils.getData(response, safePolicyWarningDatas, SafePolicyWarning.class);
	}

	@RequestMapping(value = { "/sp_dictionary/save_safePolicyWarning" }, method = {RequestMethod.POST })
	public ModelAndView saveSafePolicyWarningDictionary(HttpServletRequest request, HttpServletResponse response) throws IOException {
		DictionaryUtils utils = getDictionaryUtilsInstance();
		try {
			boolean fromAPI = utils.isRequestFromAPI(request);
			ObjectMapper mapper = new ObjectMapper();
			mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
			JsonNode root = mapper.readTree(request.getReader());
			SafePolicyWarning safePolicyWarning;
            if (fromAPI) {
                safePolicyWarning = mapper.readValue(root.get("dictionaryFields").toString(), SafePolicyWarning.class);
            } else {
            	safePolicyWarning = mapper.readValue(root.get("safePolicyWarningData").toString(), SafePolicyWarning.class);
            }

            List<Object> duplicateData =  commonClassDao.checkDuplicateEntry(safePolicyWarning.getName(), "name", SafePolicyWarning.class);
			boolean duplicateflag = false;
			if(!duplicateData.isEmpty()){
				SafePolicyWarning data = (SafePolicyWarning) duplicateData.get(0);
				if(request.getParameter(operation) != null && "update".equals(request.getParameter(operation))){
					safePolicyWarning.setId(data.getId());
				}else if((request.getParameter(operation) != null && !"update".equals(request.getParameter(operation))) || 
						(request.getParameter(operation) == null && (data.getId() != safePolicyWarning.getId()))){
					duplicateflag = true;
				}
			}
			String responseString = null;
			if(!duplicateflag){
				if(safePolicyWarning.getId() == 0){
					commonClassDao.save(safePolicyWarning);
				}else{
					commonClassDao.update(safePolicyWarning); 
				} 
				responseString = mapper.writeValueAsString(commonClassDao.getData(SafePolicyWarning.class));
			}else{
				responseString = duplicateResponseString;
			}
			if(fromAPI){
				return utils.getResultForApi(responseString);
			}else{
				utils.setResponseData(response, safePolicyWarningDatas, responseString);
			}
        }catch (Exception e) {
        	utils.setErrorResponseData(response, e);
		}
		return null;
	}

	@RequestMapping(value = { "/sp_dictionary/remove_SafePolicyWarning" }, method = {RequestMethod.POST })
	public void removeSafePolicyWarningDictionary(HttpServletRequest request, HttpServletResponse response) throws IOException {
		DictionaryUtils utils = getDictionaryUtilsInstance();
		utils.removeData(request, response, safePolicyWarningDatas, SafePolicyWarning.class);
	}

}