/*-
 * ============LICENSE_START=======================================================
 * ONAP Policy Engine
 * ================================================================================
 * Copyright (C) 2017 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.controller;


import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
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.PolicyEditorScopes;
import org.onap.policy.rest.jpa.PolicyRoles;
import org.onap.policy.rest.jpa.UserInfo;
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;

import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

@Controller
@RequestMapping("/")
public class PolicyRolesController extends RestrictedBaseController{
	
	private static final Logger LOGGER	= FlexLogger.getLogger(PolicyRolesController.class);
	
	@Autowired
	CommonClassDao commonClassDao;
	
	List<String> scopelist;
	
	@RequestMapping(value={"/get_RolesData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
	public void getPolicyRolesEntityData(HttpServletRequest request, HttpServletResponse response){
		try{
			Map<String, Object> model = new HashMap<>();
			ObjectMapper mapper = new ObjectMapper();
			model.put("rolesDatas", mapper.writeValueAsString(commonClassDao.getUserRoles()));
			JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
			JSONObject j = new JSONObject(msg);
			response.getWriter().write(j.toString());
		}
		catch (Exception e){
			LOGGER.error("Exception Occured"+e);
		}
	}
	
	@RequestMapping(value={"/save_NonSuperRolesData"}, method={org.springframework.web.bind.annotation.RequestMethod.POST})
	public ModelAndView SaveRolesEntityData(HttpServletRequest request, HttpServletResponse response){
		try{
			String scopeName = null;
			ObjectMapper mapper = new ObjectMapper();
			mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
			String userId = UserUtils.getUserSession(request).getOrgUserId();
		    JsonNode root = mapper.readTree(request.getReader());
		    ReadScopes adapter = mapper.readValue(root.get("editRoleData").toString(), ReadScopes.class);
		    for(int i = 0; i < adapter.getScope().size(); i++){
		    	if(i == 0){
		    		scopeName	= 	adapter.getScope().get(0);
		    	}else{
		    		scopeName	= 	scopeName + "," + adapter.getScope().get(i);
		    	}	
		    }
		    LOGGER.info("****************************************Logging UserID for Roles Function********************************************************");
			LOGGER.info("UserId:  " + userId + "Updating the Scope for following user" + adapter.getLoginId() + "ScopeNames" + adapter.getScope());
			LOGGER.info("*********************************************************************************************************************************");
		    PolicyRoles roles = new PolicyRoles();
		    roles.setId(adapter.getId());
		    roles.setLoginId(adapter.getLoginId());
		    roles.setRole(adapter.getRole());
		    roles.setScope(scopeName);
		    commonClassDao.update(roles);
		    response.setCharacterEncoding("UTF-8");
			response.setContentType("application / json");
			request.setCharacterEncoding("UTF-8");
		
			PrintWriter out = response.getWriter();
			String responseString = mapper.writeValueAsString(commonClassDao.getUserRoles());
			JSONObject j = new JSONObject("{rolesDatas: " + responseString + "}");

			out.write(j.toString());
		}
		catch (Exception e){
			LOGGER.error("Exception Occured"+e);
		}
		return null;
	}
	
	@RequestMapping(value={"/get_PolicyRolesScopeData"}, method={org.springframework.web.bind.annotation.RequestMethod.GET} , produces=MediaType.APPLICATION_JSON_VALUE)
	public void getPolicyScopesEntityData(HttpServletRequest request, HttpServletResponse response){
		try{
			scopelist = new ArrayList<>();
			Map<String, Object> model = new HashMap<>();
			ObjectMapper mapper = new ObjectMapper();
			mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
			List<String> scopesData = commonClassDao.getDataByColumn(PolicyEditorScopes.class, "scopeName");
			model.put("scopeDatas", mapper.writeValueAsString(scopesData));
			JsonMessage msg = new JsonMessage(mapper.writeValueAsString(model));
			JSONObject j = new JSONObject(msg);
			response.getWriter().write(j.toString());
		}
		catch (Exception e){
			LOGGER.error("Exception Occured"+e);
		}
	}
}

class ReadScopes{
	private int id;
	private UserInfo loginId;
	private String role;
	private ArrayList<String> scope;
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public UserInfo getLoginId() {
		return loginId;
	}
	public void setLoginId(UserInfo loginId) {
		this.loginId = loginId;
	}
	public String getRole() {
		return role;
	}
	public void setRole(String role) {
		this.role = role;
	}
	public ArrayList<String> getScope() {
		return scope;
	}
	public void setScope(ArrayList<String> scope) {
		this.scope = scope;
	}

}