/*
 * ============LICENSE_START==========================================
 * ONAP Portal
 * ===================================================================
 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 * Modifications Copyright (c) 2019 Samsung
 * ===================================================================
 *
 * 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.portal.service.fn;

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import javax.persistence.EntityExistsException;
import javax.persistence.EntityManager;
import org.onap.portal.dao.fn.FnAppDao;
import org.onap.portal.domain.db.fn.FnApp;
import org.onap.portal.domain.dto.transport.OnboardingApp;
import org.onap.portal.utils.EPCommonSystemProperties;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.onboarding.util.CipherUtil;
import org.onap.portalsdk.core.util.SystemProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class FnAppService {

  private static final String SUPER_ADMIN_ROLE_ID = "1";

  private final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(FnAppService.class);

  private final FnAppDao fnAppDao;
  private final EntityManager entityManager;

  @Autowired
  public FnAppService(final FnAppDao fnAppDao, EntityManager entityManager) {
    this.fnAppDao = fnAppDao;
    this.entityManager = entityManager;
  }

  public List<FnApp> getAppsFullList() {
    return fnAppDao.findAll();
  }

  public FnApp getById(final Long id) {
    return Optional.of(fnAppDao.getOne(id)).orElseThrow(EntityExistsException::new);
  }

  public List<FnApp> getByUebKey(final String uebKey){
    return Optional.of(fnAppDao.getByUebKey(uebKey)).orElse(new ArrayList<>());
  }

  public List<FnApp> getCentralizedApps(){
    return Optional.of(fnAppDao.getCentralizedApps()).orElse(new ArrayList<>());
  }

  public void createOnboardingFromApp(FnApp app, OnboardingApp onboardingApp) {
    onboardingApp.setId(app.getId());
    onboardingApp.setName(app.getAppName());
    onboardingApp.setImageUrl(app.getAppImageUrl());
    onboardingApp.setDescription(app.getAppDescription());
    onboardingApp.setNotes(app.getAppNotes());
    onboardingApp.setUrl(app.getAppUrl());
    onboardingApp.setAlternateUrl(app.getAppAlternateUrl());
    onboardingApp.setRestUrl(app.getAppRestEndpoint());
    onboardingApp.setIsOpen(app.getOpen());
    onboardingApp.setIsEnabled(app.getEnabled());
    onboardingApp.setUsername(app.getAppUsername());
    onboardingApp.setAppPassword((app.getAppPassword().equals(EPCommonSystemProperties.APP_DISPLAY_PASSWORD))
        ? EPCommonSystemProperties.APP_DISPLAY_PASSWORD : decryptedPassword(app.getAppPassword(), app));
    onboardingApp.setUebTopicName(app.getUebTopicName());
    onboardingApp.setUebKey(app.getUebKey());
    onboardingApp.setUebSecret(app.getUebSecret());
    onboardingApp.setIsCentralAuth(app.getAuthCentral());
    onboardingApp.setNameSpace(app.getAuthNamespace());
    onboardingApp.setRestrictedApp(app.isRestrictedApp());
  }

  private String decryptedPassword(String encryptedAppPwd, FnApp app) {
    String result = "";
    if (encryptedAppPwd != null && !encryptedAppPwd.isEmpty()) {
      try {
        result = CipherUtil.decryptPKC(encryptedAppPwd,
            SystemProperties.getProperty(SystemProperties.Decryption_Key));
      } catch (Exception e) {
        logger.error(EELFLoggerDelegate.errorLogger,
            "decryptedPassword failed for app " + app.getAppName(), e);
      }
    }
    return result;
  }

  List<FnApp> getUserRemoteApps(String id) {
/*    StringBuilder sb = new StringBuilder();
    sb.append("SELECT * FROM FnApp join FN_USER_ROLE ON FN_USER_ROLE.APP_ID = FN_APP.APP_ID where ");
    sb.append("FN_USER_ROLE.USER_ID = ").append(id).append(" AND FN_USER_ROLE.ROLE_ID != ")
        .append(SUPER_ADMIN_ROLE_ID);
    sb.append(" AND FN_APP.ENABLED = 'Y'");

    Query query = entityManager.createQuery(sb.toString());
    List<FnApp> adminApps = query.getResultList();*/
    return new ArrayList<>();
  }
}