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/*
 * ============LICENSE_START==========================================
 * ONAP Portal SDK
 * ===================================================================
 * Copyright © 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.portalapp.controller.sample;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;

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

import org.json.JSONObject;
import org.onap.portalsdk.core.controller.RestrictedBaseController;
import org.onap.portalsdk.core.domain.BroadcastMessage;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.service.BroadcastService;
import org.onap.portalsdk.core.util.SystemProperties;
import org.onap.portalsdk.core.web.support.AppUtils;
import org.onap.portalsdk.core.web.support.JsonMessage;
import org.springframework.beans.factory.annotation.Autowired;
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
@RequestMapping("/")
public class BroadcastController extends RestrictedBaseController {

        private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(BroadcastController.class);

        private static final String BROADCAST_MESSAGE = "broadcastMessage";
  private static final String BROADCAST_SITIES = "broadcastSites";
  private static final String UTF8 = "UTF-8";
        
        @Autowired
        private BroadcastService broadcastService;

        @RequestMapping(value = { "/broadcast" }, method = RequestMethod.GET)
        public ModelAndView broadcast(HttpServletRequest request) {
                Map<String, Object> model = new HashMap<>();
                ObjectMapper mapper = new ObjectMapper();

                try {
                        model.put(BROADCAST_MESSAGE, mapper.writeValueAsString(broadcastService.getBroadcastMessage(request)));
                        model.put(BROADCAST_SITIES, mapper.writeValueAsString(referenceData(request).get(BROADCAST_SITIES)));
                } catch (Exception e) {
                        logger.error(EELFLoggerDelegate.errorLogger, "broadcast() failed", e);
                }
                return new ModelAndView(getViewName(), model);
        }

        @RequestMapping(value = { "/get_broadcast" }, method = RequestMethod.GET)
        public void getBroadcast(HttpServletRequest request, HttpServletResponse response) {
                Map<String, Object> model = new HashMap<>();
                ObjectMapper mapper = new ObjectMapper();

                try {

                        model.put(BROADCAST_MESSAGE, mapper.writeValueAsString(broadcastService.getBroadcastMessage(request)));
                        model.put(BROADCAST_SITIES, mapper.writeValueAsString(referenceData(request).get(BROADCAST_SITIES)));
                        JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
                        JSONObject j = new JSONObject(msg);
                        response.getWriter().write(j.toString());

                } catch (Exception e) {
                        logger.error(EELFLoggerDelegate.errorLogger, "getBroadcast() failed", e);
                }

        }

        @SuppressWarnings({ "unchecked", "rawtypes" })
        protected Map referenceData(HttpServletRequest request) {
                Map lookupData = new HashMap();

                if ("true".equals(SystemProperties.getProperty(SystemProperties.CLUSTERED))) {
                        lookupData.put(BROADCAST_SITIES, AppUtils.getLookupList("fn_lu_broadcast_site", "broadcast_site_cd",
                                        "broadcast_site_descr", "", "broadcast_site_descr"));
                }

                return lookupData;
        }

        @RequestMapping(value = { "/broadcast/save" }, method = RequestMethod.POST)
        public ModelAndView save(HttpServletRequest request, HttpServletResponse response) throws IOException {

                try {

                        ObjectMapper mapper = new ObjectMapper();
                        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
                        JsonNode root = mapper.readTree(request.getReader());
                        BroadcastMessage broadcastMessage = mapper.readValue(root.get(BROADCAST_MESSAGE).toString(),
                                        BroadcastMessage.class);

                        broadcastService.saveBroadcastMessage(broadcastMessage);

                        response.setCharacterEncoding(UTF8);
                        response.setContentType("application / json");
                        request.setCharacterEncoding(UTF8);

                        PrintWriter out = response.getWriter();
                        String responseString = mapper.writeValueAsString(broadcastMessage);
                        JSONObject j = new JSONObject("{broadcastMessage: " + responseString + "}");

                        out.write(j.toString());

                        return null;
                } catch (Exception e) {
                        response.setCharacterEncoding(UTF8);
                        request.setCharacterEncoding(UTF8);
                        PrintWriter out = response.getWriter();
                        out.write("An error occurred while saving the BroadcastMessage in the save () mapping-/broadcast/save   ");
                        logger.error(EELFLoggerDelegate.errorLogger, "save() failed", e);
                        return null;
                }

        }
}