/* 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
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  package org.orekit.gnss.metric.messages.rtcm;
  
  import java.util.ArrayList;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.orekit.data.DataContext;
  import org.orekit.gnss.metric.messages.rtcm.correction.Rtcm1240;
  import org.orekit.gnss.metric.messages.rtcm.correction.RtcmOrbitCorrectionData;
  import org.orekit.gnss.metric.parser.ByteArrayEncodedMessage;
  import org.orekit.gnss.metric.parser.EncodedMessage;
  import org.orekit.gnss.metric.parser.RtcmMessagesParser;
  
  public class Rtcm1240Test {
  
      private double eps = 1.0e-13;
  
      private EncodedMessage message;
  
      private ArrayList<Integer> messages;
  
      @BeforeEach
      public void setUp() {
  
          final String m = "010011011000" +                       // Message Number: 1240
                           "00001111110011000111" +               // Galileo Epoch Time 1s
                           "0101" +                               // SSR Update Interval
                           "0" +                                  // Multiple Message Indicator
                           "0" +                                  // Satellite Reference Datum
                           "0111" +                               // IOD SSR
                           "0000111101101111" +                   // SSR Provider ID
                           "0001" +                               // SSR Solution ID
                           "000001" +                             // No. of Satellites
                           "000001" +                             // Satellite ID
                           "0010000100" +                         // Galileo IOD
                           "0000101011111101111111" +             // Delta Radial
                           "01001010111111011111" +               // Delta Along-Track
                           "01001010111111011111" +               // Delta Cross-Track
                           "000010101111110111111" +              // Dot Delta Radial
                           "0100101011111101111" +                // Dot Delta Along-Track
                           "010010101111110111100000";            // Dot Delta Cross-Track
  
          message = new ByteArrayEncodedMessage(byteArrayFromBinary(m));
          message.start();
  
          messages = new ArrayList<>();
          messages.add(1240);
  
      }
  
      @Test
      public void testPerfectValue() {
          final Rtcm1240 rtcm1240 = (Rtcm1240) new RtcmMessagesParser(messages, DataContext.getDefault().getTimeScales()).
                                    parse(message, false);
  
          // Verify size
          Assertions.assertEquals(1,                            rtcm1240.getData().size());
  
          // Verify header
          Assertions.assertEquals(1240,                         rtcm1240.getTypeCode());
          Assertions.assertEquals(64711.0,                      rtcm1240.getHeader().getEpochTime1s(), eps);
          Assertions.assertEquals(30.0,                         rtcm1240.getHeader().getSsrUpdateInterval().getUpdateInterval(), eps);
          Assertions.assertEquals(0,                            rtcm1240.getHeader().getMultipleMessageIndicator());
          Assertions.assertEquals(7,                            rtcm1240.getHeader().getIodSsr());
          Assertions.assertEquals(3951,                         rtcm1240.getHeader().getSsrProviderId());
          Assertions.assertEquals(1,                            rtcm1240.getHeader().getSsrSolutionId());
          Assertions.assertEquals(1,                            rtcm1240.getHeader().getNumberOfSatellites());
  
          // Verify data for satellite E01
          final RtcmOrbitCorrectionData e01 = rtcm1240.getDataMap().get("E01").get(0);
          Assertions.assertEquals(1,                            e01.getSatelliteID());
          Assertions.assertEquals(132,                          e01.getGnssIod());
          Assertions.assertEquals(18.0095,                      e01.getOrbitCorrection().getDeltaOrbitRadial(),        eps);
          Assertions.assertEquals(122.8668,                     e01.getOrbitCorrection().getDeltaOrbitAlongTrack(),    eps);
          Assertions.assertEquals(122.8668,                     e01.getOrbitCorrection().getDeltaOrbitCrossTrack(),    eps);
          Assertions.assertEquals(0.090047,                     e01.getOrbitCorrection().getDotOrbitDeltaRadial(),     eps);
          Assertions.assertEquals(0.614332,                     e01.getOrbitCorrection().getDotOrbitDeltaAlongTrack(), eps);
          Assertions.assertEquals(0.614332,                     e01.getOrbitCorrection().getDotOrbitDeltaCrossTrack(), eps);
      }
  
      private byte[] byteArrayFromBinary(String radix2Value) {
          final byte[] array = new byte[radix2Value.length() / 8];
         for (int i = 0; i < array.length; ++i) {
             for (int j = 0; j < 8; ++j) {
                 if (radix2Value.charAt(8 * i + j) != '0') {
                     array[i] |= 0x1 << (7 - j);
                 }
             }
         }
         return array;
     }
 
 }