/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  package org.apache.syncope.core.provisioning.java.data.wa;
  
  import org.apache.syncope.common.lib.policy.AuthPolicyConf;
  import org.apache.syncope.common.lib.policy.DefaultAuthPolicyConf;
  import org.apache.syncope.common.lib.wa.WAClientApp;
  import org.apache.syncope.core.persistence.api.dao.AuthModuleDAO;
  import org.apache.syncope.core.persistence.api.entity.am.AuthModule;
  import org.apache.syncope.core.persistence.api.entity.am.ClientApp;
  import org.apache.syncope.core.provisioning.api.data.AuthModuleDataBinder;
  import org.apache.syncope.core.provisioning.api.data.ClientAppDataBinder;
  import org.apache.syncope.core.provisioning.api.data.PolicyDataBinder;
  import org.apache.syncope.core.provisioning.api.data.wa.WAClientAppDataBinder;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class WAClientAppDataBinderImpl implements WAClientAppDataBinder {
  
      protected static final Logger LOG = LoggerFactory.getLogger(WAClientAppDataBinder.class);
  
      protected final ClientAppDataBinder clientAppDataBinder;
  
      protected final PolicyDataBinder policyDataBinder;
  
      protected final AuthModuleDataBinder authModuleDataBinder;
  
      protected final AuthModuleDAO authModuleDAO;
  
      public WAClientAppDataBinderImpl(
              final ClientAppDataBinder clientAppDataBinder,
              final PolicyDataBinder policyDataBinder,
              final AuthModuleDataBinder authModuleDataBinder,
              final AuthModuleDAO authModuleDAO) {
  
          this.clientAppDataBinder = clientAppDataBinder;
          this.policyDataBinder = policyDataBinder;
          this.authModuleDataBinder = authModuleDataBinder;
          this.authModuleDAO = authModuleDAO;
      }
  
      @Override
      public WAClientApp getWAClientApp(final ClientApp clientApp) {
          WAClientApp waClientApp = new WAClientApp();
          waClientApp.setClientAppTO(clientAppDataBinder.getClientAppTO(clientApp));
  
          try {
              AuthPolicyConf authPolicyConf = null;
              if (clientApp.getAuthPolicy() != null) {
                  authPolicyConf = clientApp.getAuthPolicy().getConf();
                  waClientApp.setAuthPolicy(policyDataBinder.getPolicyTO(clientApp.getAuthPolicy()));
              } else if (clientApp.getRealm() != null && clientApp.getRealm().getAuthPolicy() != null) {
                  authPolicyConf = clientApp.getRealm().getAuthPolicy().getConf();
                  waClientApp.setAuthPolicy(policyDataBinder.getPolicyTO(clientApp.getRealm().getAuthPolicy()));
              }
              if (authPolicyConf instanceof DefaultAuthPolicyConf) {
                  ((DefaultAuthPolicyConf) authPolicyConf).getAuthModules().forEach(key -> {
                      AuthModule authModule = authModuleDAO.find(key);
                      if (authModule == null) {
                          LOG.warn("AuthModule " + authModule + " not found");
                      } else {
                          waClientApp.getAuthModules().add(authModuleDataBinder.getAuthModuleTO(authModule));
                      }
                  });
              }
  
              if (clientApp.getAccessPolicy() != null) {
                  waClientApp.setAccessPolicy(policyDataBinder.getPolicyTO(clientApp.getAccessPolicy()));
              } else if (clientApp.getRealm() != null && clientApp.getRealm().getAccessPolicy() != null) {
                  waClientApp.setAccessPolicy(policyDataBinder.getPolicyTO(clientApp.getRealm().getAccessPolicy()));
              }
  
              if (clientApp.getAttrReleasePolicy() != null) {
                  waClientApp.setAttrReleasePolicy(
                          policyDataBinder.getPolicyTO(clientApp.getAttrReleasePolicy()));
              } else if (clientApp.getRealm() != null && clientApp.getRealm().getAttrReleasePolicy() != null) {
                  waClientApp.setAttrReleasePolicy(
                          policyDataBinder.getPolicyTO(clientApp.getRealm().getAttrReleasePolicy()));
              }
  
              if (clientApp.getTicketExpirationPolicy() != null) {
                  waClientApp.setTicketExpirationPolicy(
                          policyDataBinder.getPolicyTO(clientApp.getTicketExpirationPolicy()));
             } else if (clientApp.getRealm() != null && clientApp.getRealm().getTicketExpirationPolicy() != null) {
                 waClientApp.setTicketExpirationPolicy(
                         policyDataBinder.getPolicyTO(clientApp.getRealm().getTicketExpirationPolicy()));
             }
         } catch (Exception e) {
             LOG.error("While building the configuration from an application's policy ", e);
         }
 
         return waClientApp;
     }
 }