/*-
 * ============LICENSE_START=======================================================
 * ONAP Policy Engine
 * ================================================================================
 * Copyright (C) 2017, 2019 AT&T Intellectual Property. All rights reserved.
 * Modifications Copyright (C) 2019 Bell Canada
 * ================================================================================
 * 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.controller;

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

import java.io.IOException;
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.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.rest.dao.CommonClassDao;
import org.onap.policy.rest.jpa.GlobalRoleSettings;
import org.onap.policy.utils.PolicyUtils;
import org.onap.portalsdk.core.controller.RestrictedBaseController;
import org.onap.portalsdk.core.web.support.JsonMessage;
import org.onap.portalsdk.core.web.support.UserUtils;
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.servlet.ModelAndView;

@Controller
@RequestMapping({"/"})
public class AdminTabController extends RestrictedBaseController {

    private static final Logger LOGGER = FlexLogger.getLogger(AdminTabController.class);
    private static final String CHARACTER_ENCODING = "UTF-8";

    private static CommonClassDao commonClassDao;

    public AdminTabController() {
        // default constructor
    }

    @Autowired
    private AdminTabController(CommonClassDao commonClassDao) {
        AdminTabController.commonClassDao = commonClassDao;
    }

    public static CommonClassDao getCommonClassDao() {
        return commonClassDao;
    }

    public static void setCommonClassDao(CommonClassDao commonClassDao) {
        AdminTabController.commonClassDao = commonClassDao;
    }

    /**
     * getAdminTabEntityData.
     *
     * @param request HttpServletRequest
     * @param response HttpServletResponse
     */
    @RequestMapping(
            value = {"/get_LockDownData"},
            method = {org.springframework.web.bind.annotation.RequestMethod.GET},
            produces = MediaType.APPLICATION_JSON_VALUE)
    public void getAdminTabEntityData(HttpServletRequest request, HttpServletResponse response) {
        try {
            Map<String, Object> model = new HashMap<>();
            ObjectMapper mapper = new ObjectMapper();
            model.put("lockdowndata", mapper.writeValueAsString(commonClassDao.getData(GlobalRoleSettings.class)));
            response.getWriter().write(new JSONObject(new JsonMessage(mapper.writeValueAsString(model))).toString());
        } catch (Exception e) {
            LOGGER.error("Exception Occured" + e);
        }
    }

    /**
     * saveAdminTabLockdownValue.
     *
     * @param request HttpServletRequest
     * @param response HttpServletResponse
     * @return ModelAndView object
     * @throws IOException IOException
     */
    @RequestMapping(
            value = {"/adminTabController/save_LockDownValue.htm"},
            method = {org.springframework.web.bind.annotation.RequestMethod.POST})
    public ModelAndView saveAdminTabLockdownValue(HttpServletRequest request, HttpServletResponse response)
            throws IOException {
        response.setCharacterEncoding(CHARACTER_ENCODING);
        request.setCharacterEncoding(CHARACTER_ENCODING);
        try {
            ObjectMapper mapper = new ObjectMapper();
            mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
            String userId = UserUtils.getUserSession(request).getOrgUserId();
            LOGGER.info(
                    "********************Logging UserID for Application Lockdown Function**************************");
            LOGGER.info("UserId:  " + userId);
            LOGGER.info(
                    "**********************************************************************************************");
            JsonNode root = mapper.readTree(request.getReader());
            GlobalRoleSettings globalRole =
                    mapper.readValue(root.get("lockdowndata").toString(), GlobalRoleSettings.class);
            globalRole.setRole("super-admin");
            commonClassDao.update(globalRole);

            response.setContentType("application / json");

            String responseString = mapper.writeValueAsString(commonClassDao.getData(GlobalRoleSettings.class));

            response.getWriter().write(new JSONObject("{descriptiveScopeDictionaryDatas: " + responseString
                    + "}").toString());
        } catch (Exception e) {
            LOGGER.error("Exception Occured" + e);
            response.getWriter().write(PolicyUtils.CATCH_EXCEPTION);
        }
        return null;
    }
}