/*-
 * ============LICENSE_START==========================================
 * ONAP Portal
 * ===================================================================
 * Copyright (C) 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.portal.controller;

import java.util.List;

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

import org.onap.portalapp.controller.EPRestrictedBaseController;
import org.onap.portalapp.portal.domain.EPRole;
import org.onap.portalapp.portal.domain.EPUser;
import org.onap.portalapp.portal.domain.EcompAuditLog;
import org.onap.portalapp.portal.logging.aop.EPAuditLog;
import org.onap.portalapp.portal.logging.aop.EPEELFLoggerAdvice;
import org.onap.portalapp.portal.logging.logic.EPLogUtil;
import org.onap.portalapp.portal.service.AdminRolesService;
import org.onap.portalapp.portal.service.PortalAdminService;
import org.onap.portalapp.portal.transport.FieldsValidator;
import org.onap.portalapp.portal.transport.PortalAdmin;
import org.onap.portalapp.portal.utils.EPCommonSystemProperties;
import org.onap.portalapp.portal.utils.EcompPortalUtils;
import org.onap.portalapp.util.EPUserUtils;
import org.onap.portalapp.validation.DataValidator;
import org.onap.portalapp.validation.SecureString;
import org.onap.portalsdk.core.domain.AuditLog;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.service.AuditService;
import org.onap.portalsdk.core.util.SystemProperties;
import org.slf4j.MDC;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
@Configuration
@EnableAspectJAutoProxy
@EPAuditLog
public class PortalAdminController extends EPRestrictedBaseController {
	private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(PortalAdminController.class);
	private static final DataValidator DATA_VALIDATOR = new DataValidator();

	private	PortalAdminService portalAdminService;
	private AdminRolesService adminRolesService;
	private AuditService auditService;

	@Autowired
	public PortalAdminController(PortalAdminService portalAdminService,
		AdminRolesService adminRolesService, AuditService auditService){
		this.portalAdminService = portalAdminService;
		this.adminRolesService = adminRolesService;
		this.auditService = auditService;
	}

	@RequestMapping(value = { "/portalApi/portalAdmins" }, method = RequestMethod.GET, produces = "application/json")
	public List<PortalAdmin> getPortalAdmins(HttpServletRequest request, HttpServletResponse response) {
		EPUser user = EPUserUtils.getUserSession(request);
		List<PortalAdmin> portalAdmins = null;
		if (user == null) {
			logger.debug(EELFLoggerDelegate.debugLogger, "PortalAdminController.getPortalAdmins, null user");
			EcompPortalUtils.setBadPermissions(user, response, "getPortalAdmins");
		} else if (!adminRolesService.isSuperAdmin(user)) {
			logger.debug(EELFLoggerDelegate.debugLogger, "PortalAdminController.getPortalAdmins, bad permissions");
			EcompPortalUtils.setBadPermissions(user, response, "createPortalAdmin");
		} else {
			// return the list of portal admins
			portalAdmins = portalAdminService.getPortalAdmins();
			logger.debug(EELFLoggerDelegate.debugLogger, "portalAdmins: called getPortalAdmins()");
			EcompPortalUtils.logAndSerializeObject(logger, "/portalApi/getPortalAdmins", "result =", portalAdmins);
		}

		return portalAdmins;
	}

	/**
	 * RESTful service method to create a new portal admin. Requirement: you
	 * must be the ONAP portal super admin user.
	 * @param request 
	 * @param userId 
	 * @param response 
	 * @return FieldsValidator 
	 */
	@RequestMapping(value = { "/portalApi/portalAdmin" }, method = RequestMethod.POST)
	public FieldsValidator createPortalAdmin(HttpServletRequest request, @RequestBody String userId,
			HttpServletResponse response) {
		EPUser user = EPUserUtils.getUserSession(request);
		FieldsValidator fieldsValidator = null;
		if(!DATA_VALIDATOR.isValid(new SecureString(userId))){
			logger.debug(EELFLoggerDelegate.debugLogger, "PortalAdminController.createPortalAdmin not valid userId");
			EcompPortalUtils.setBadPermissions(user, response, "createPortalAdmin");
		}else if (user == null) {
			logger.debug(EELFLoggerDelegate.debugLogger, "PortalAdminController.createPortalAdmin, null user");
			EcompPortalUtils.setBadPermissions(user, response, "createPortalAdmin");
		} else if (!adminRolesService.isSuperAdmin(user)) {
			logger.debug(EELFLoggerDelegate.debugLogger, "PortalAdminController.createPortalAdmin bad permissions");
			EcompPortalUtils.setBadPermissions(user, response, "createPortalAdmin");
		} else {
			fieldsValidator = portalAdminService.createPortalAdmin(userId);
			int statusCode = fieldsValidator.httpStatusCode.intValue();
			response.setStatus(statusCode);
			if (statusCode == 200) {
				AuditLog auditLog = new AuditLog();
				auditLog.setUserId(user.getId());
				auditLog.setActivityCode(EcompAuditLog.CD_ACTIVITY_ADD_PORTAL_ADMIN);
				auditLog.setAffectedRecordId(userId);
				try {
					auditService.logActivity(auditLog, null);
				} catch (Exception e) {
					logger.error(EELFLoggerDelegate.errorLogger, "createPortalAdmin: failed for save audit log", e);
				}
				MDC.put(EPCommonSystemProperties.AUDITLOG_BEGIN_TIMESTAMP, EPEELFLoggerAdvice.getCurrentDateTimeUTC());
				MDC.put(EPCommonSystemProperties.AUDITLOG_END_TIMESTAMP, EPEELFLoggerAdvice.getCurrentDateTimeUTC());
				EcompPortalUtils.calculateDateTimeDifferenceForLog(
						MDC.get(EPCommonSystemProperties.AUDITLOG_BEGIN_TIMESTAMP),
						MDC.get(EPCommonSystemProperties.AUDITLOG_END_TIMESTAMP));
				logger.info(EELFLoggerDelegate.auditLogger,
						EPLogUtil.formatAuditLogMessage("PortalAdminController.createPortalAdmin",
								EcompAuditLog.CD_ACTIVITY_ADD_PORTAL_ADMIN, user.getOrgUserId(), userId,
								"A new Portal Admin has been added"));
				MDC.remove(EPCommonSystemProperties.AUDITLOG_BEGIN_TIMESTAMP);
				MDC.remove(EPCommonSystemProperties.AUDITLOG_END_TIMESTAMP);
				MDC.remove(SystemProperties.MDC_TIMER);
			}
		}
		EcompPortalUtils.logAndSerializeObject(logger, "/portalAdmin", "POST result =", response.getStatus());

		return fieldsValidator;
	}

	@RequestMapping(value = { "/portalApi/portalAdmin/{userInfo}" }, method = RequestMethod.DELETE)
	public FieldsValidator deletePortalAdmin(HttpServletRequest request, @PathVariable("userInfo") String userInfo,
			HttpServletResponse response) {

		if(!DATA_VALIDATOR.isValid(new SecureString(userInfo))){
			logger.debug(EELFLoggerDelegate.debugLogger, "PortalAdminController.deletePortalAdmin not valid userId");
			return null;
		}

		int userIdIdx = userInfo.indexOf("-");
		Long userId = null;
		String sbcid = null;
		FieldsValidator fieldsValidator = null;
		try {
			if (userIdIdx == -1) {
				logger.error(EELFLoggerDelegate.errorLogger, "deletePortalAdmin missing userId");
				return fieldsValidator;
			} else {
				String userIdStr = userInfo.substring(0, userIdIdx);
				userId = Long.valueOf(userIdStr);
				sbcid = userInfo.substring(userIdIdx + 1, userInfo.length());
			}
		} catch (Exception e) {
			logger.error(EELFLoggerDelegate.errorLogger, "deletePortalAdmin error while parsing the userInfo", e);
		}
		EPUser user = EPUserUtils.getUserSession(request);
		if (!adminRolesService.isSuperAdmin(user)) {
			EcompPortalUtils.setBadPermissions(user, response, "deletePortalAdmin");
		} else {
			fieldsValidator = portalAdminService.deletePortalAdmin(userId);
			int statusCode = fieldsValidator.httpStatusCode.intValue();
			response.setStatus(statusCode);
			if (statusCode == 200) {
				AuditLog auditLog = new AuditLog();
				auditLog.setUserId(user.getId());
				auditLog.setActivityCode(EcompAuditLog.CD_ACTIVITY_DELETE_PORTAL_ADMIN);
				auditLog.setAffectedRecordId(sbcid);
				auditService.logActivity(auditLog, null);
				
				MDC.put(EPCommonSystemProperties.AUDITLOG_BEGIN_TIMESTAMP, EPEELFLoggerAdvice.getCurrentDateTimeUTC());
				MDC.put(EPCommonSystemProperties.AUDITLOG_END_TIMESTAMP, EPEELFLoggerAdvice.getCurrentDateTimeUTC());
				EcompPortalUtils.calculateDateTimeDifferenceForLog(
						MDC.get(EPCommonSystemProperties.AUDITLOG_BEGIN_TIMESTAMP),
						MDC.get(EPCommonSystemProperties.AUDITLOG_END_TIMESTAMP));
				logger.info(EELFLoggerDelegate.auditLogger,
						EPLogUtil.formatAuditLogMessage("PortalAdminController.deletePortalAdmin",
								EcompAuditLog.CD_ACTIVITY_DELETE_PORTAL_ADMIN, user.getOrgUserId(), sbcid,
								"A Portal Admin has been deleted"));
				MDC.remove(EPCommonSystemProperties.AUDITLOG_BEGIN_TIMESTAMP);
				MDC.remove(EPCommonSystemProperties.AUDITLOG_END_TIMESTAMP);
				MDC.remove(SystemProperties.MDC_TIMER);
			}
		}
		EcompPortalUtils.logAndSerializeObject(logger, "/portalAdmin", "DELETE result =", response.getStatus());

		return fieldsValidator;
	}

	@RequestMapping(value = {
			"/portalApi/adminAppsRoles/{appId}" }, method = RequestMethod.GET, produces = "application/json")
	public List<EPRole> getRolesByApp(HttpServletRequest request, @PathVariable("appId") Long appId,
			HttpServletResponse response) {
		EPUser user = EPUserUtils.getUserSession(request);
		List<EPRole> rolesByApp = null;

		try {
			if (user == null) {
				EcompPortalUtils.setBadPermissions(user, response, "getUserApps");
			} else {
				rolesByApp = adminRolesService.getRolesByApp(user, appId);
			}
		} catch (Exception e) {
			logger.error(EELFLoggerDelegate.errorLogger,	"getRolesByApp failed", e);
		}

		return rolesByApp;
	}

}