/* Copyright 2002-2025 CS GROUP
    * Licensed to CS GROUP (CS) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * CS 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.orekit.files.ccsds.ndm.adm.aem;
  
  import java.util.List;
  
  import org.orekit.attitudes.BoundedAttitudeProvider;
  import org.orekit.attitudes.TabulatedProvider;
  import org.orekit.errors.OrekitException;
  import org.orekit.errors.OrekitMessages;
  import org.orekit.files.ccsds.section.Segment;
  import org.orekit.files.general.AttitudeEphemerisFile;
  import org.orekit.frames.Frame;
  import org.orekit.time.AbsoluteDate;
  import org.orekit.utils.AngularDerivativesFilter;
  import org.orekit.utils.TimeStampedAngularCoordinates;
  
  /**
   * This class stores the metadata and data for one attitude segment.
   * @author Luc Maisonobe
   * @since 11.0
   */
  public class AemSegment extends Segment<AemMetadata, AemData>
      implements AttitudeEphemerisFile.AttitudeEphemerisSegment<TimeStampedAngularCoordinates> {
  
      /** Simple constructor.
       * @param metadata segment metadata
       * @param data segment data
       */
      public AemSegment(final AemMetadata metadata, final AemData data) {
          super(metadata, data);
      }
  
      /** {@inheritDoc} */
      @Override
      public List<TimeStampedAngularCoordinates> getAngularCoordinates() {
          return getData().getAngularCoordinates();
      }
  
      /** {@inheritDoc} */
      @Override
      public Frame getReferenceFrame() {
          final Frame frame = getMetadata().getEndpoints().getExternalFrame().asFrame();
          if (frame == null) {
              throw new OrekitException(OrekitMessages.CCSDS_INVALID_FRAME,
                                        getMetadata().getEndpoints().getExternalFrame().getName());
          }
          return frame;
      }
  
      /** {@inheritDoc} */
      @Override
      public AbsoluteDate getStart() {
          return getMetadata().getStart();
      }
  
      /** {@inheritDoc} */
      @Override
      public AbsoluteDate getStop() {
          return getMetadata().getStop();
      }
  
      /** {@inheritDoc} */
      @Override
      public String getInterpolationMethod() {
          return getMetadata().getInterpolationMethod();
      }
  
      /** {@inheritDoc} */
      @Override
      public int getInterpolationSamples() {
          return getMetadata().getInterpolationSamples();
      }
  
      /** {@inheritDoc} */
      @Override
      public AngularDerivativesFilter getAvailableDerivatives() {
          return getMetadata().getAttitudeType().getAngularDerivativesFilter();
      }
  
      /** {@inheritDoc} */
      @Override
      public BoundedAttitudeProvider getAttitudeProvider() {
          return new TabulatedProvider(getAngularCoordinates(), getInterpolationSamples(),
                                       getAvailableDerivatives(), getStart(), getStop(),
                                      getMetadata().getEndpoints());
     }
 
 }