/*
    * Licensed to The Apereo Foundation under one or more contributor license
    * agreements. See the NOTICE file distributed with this work for additional
    * information regarding copyright ownership.
    *
    *
    * The Apereo Foundation licenses this file to you under the Educational
    * Community 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://opensource.org/licenses/ecl2.txt
   *
   * 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.opencastproject.graphql.command;
  
  import org.opencastproject.authorization.xacml.manager.api.AclService;
  import org.opencastproject.authorization.xacml.manager.api.AclServiceFactory;
  import org.opencastproject.elasticsearch.api.SearchIndexException;
  import org.opencastproject.elasticsearch.index.ElasticsearchIndex;
  import org.opencastproject.graphql.exception.GraphQLNotFoundException;
  import org.opencastproject.graphql.exception.GraphQLRuntimeException;
  import org.opencastproject.graphql.exception.GraphQLUnauthorizedException;
  import org.opencastproject.graphql.execution.context.OpencastContext;
  import org.opencastproject.graphql.execution.context.OpencastContextManager;
  import org.opencastproject.graphql.series.GqlSeries;
  import org.opencastproject.graphql.type.input.AccessControlListInput;
  import org.opencastproject.graphql.util.GraphQLObjectMapper;
  import org.opencastproject.security.api.AccessControlEntry;
  import org.opencastproject.security.api.AccessControlList;
  import org.opencastproject.security.api.SecurityService;
  import org.opencastproject.security.api.UnauthorizedException;
  import org.opencastproject.series.api.SeriesException;
  import org.opencastproject.series.api.SeriesService;
  import org.opencastproject.util.NotFoundException;
  
  public class UpdateSeriesAclCommand extends AbstractCommand<GqlSeries> {
  
    private final String seriesId;
  
    public UpdateSeriesAclCommand(final Builder builder) {
      super(builder);
      this.seriesId = builder.seriesId;
    }
  
    @Override
    public GqlSeries execute() {
      OpencastContext context = OpencastContextManager.getCurrentContext();
      final SeriesService seriesService = context.getService(SeriesService.class);
  
      final AccessControlListInput aclInput = GraphQLObjectMapper.newInstance()
          .convertValue(environment.getArgument("acl"), AccessControlListInput.class);
      if (aclInput != null) {
        try {
          AccessControlList acl = new AccessControlList();
          for (var entry : aclInput.getEntries()) {
            for (var action : entry.getAction()) {
              acl.getEntries().add(new AccessControlEntry(entry.getRole(), action, true));
            }
          }
  
          if (aclInput.getManagedAclId() != null) {
            AclService aclService = context.getService(AclServiceFactory.class)
                .serviceFor(context.getService(SecurityService.class).getOrganization());
            aclService.getAcl(aclInput.getManagedAclId())
                .ifPresent(value -> acl.merge(value.getAcl()));
          }
          seriesService.updateAccessControl(seriesId, acl);
        } catch (UnauthorizedException e) {
          throw new GraphQLUnauthorizedException(e.getMessage());
        } catch (NotFoundException e) {
          throw new GraphQLNotFoundException(e.getMessage());
        } catch (SeriesException e) {
          throw new GraphQLRuntimeException(e);
        }
      }
  
      try {
        ElasticsearchIndex index = context.getService(ElasticsearchIndex.class);
        return new GqlSeries(
            index.getSeries(seriesId, context.getOrganization().getId(), context.getUser()).get()
        );
      } catch (SearchIndexException e) {
        throw new GraphQLRuntimeException(e);
      }
    }
  
    public static Builder create(String eventId) {
      return new Builder(eventId);
    }
  
    public static class Builder extends AbstractCommand.Builder<GqlSeries> {
 
     private final String seriesId;
 
     public Builder(String seriesId) {
       this.seriesId = seriesId;
     }
 
     @Override
     public void validate() {
       super.validate();
       if (seriesId == null || seriesId.isEmpty()) {
         throw new IllegalStateException("Series ID cannot be null or empty");
       }
     }
 
     @Override
     public UpdateSeriesAclCommand build() {
       validate();
       return new UpdateSeriesAclCommand(this);
     }
   }
 
 }