/* Copyright 2002-2022 CS GROUP
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    * 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
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   * Unless required by applicable law or agreed to in writing, software
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  package org.orekit.forces.maneuvers.triggers;
  
  
  import java.util.List;
  
  import org.hipparchus.CalculusFieldElement;
  import org.hipparchus.Field;
  import org.hipparchus.util.Decimal64Field;
  import org.junit.Assert;
  import org.junit.Test;
  import org.orekit.forces.maneuvers.trigger.IntervalEventTrigger;
  import org.orekit.propagation.events.DateDetector;
  import org.orekit.propagation.events.FieldAbstractDetector;
  import org.orekit.propagation.events.FieldDateDetector;
  import org.orekit.propagation.events.FieldEventDetector;
  import org.orekit.propagation.events.handlers.StopOnEvent;
  import org.orekit.time.AbsoluteDate;
  import org.orekit.time.FieldAbsoluteDate;
  import org.orekit.time.TimeStamped;
  
  public class IntervalEventTriggerTest extends AbstractManeuverTriggersTest<IntervalEventTrigger<DateDetector>> {
  
      public static class IntervalDates extends IntervalEventTrigger<DateDetector> {
  
          public IntervalDates(final AbsoluteDate start, final AbsoluteDate stop) {
              super(new DateDetector(0.5 * stop.durationFrom(start), 1.0e-10, start, stop).
                    withHandler(new StopOnEvent<DateDetector>()));
          }
  
          @Override
          protected <D extends FieldEventDetector<S>, S extends CalculusFieldElement<S>>
              FieldAbstractDetector<D, S> convertIntervalDetector(Field<S> field, DateDetector detector) {
              final S                    maxCheck = field.getZero().newInstance(detector.getMaxCheckInterval());
              final FieldAbsoluteDate<S> d0 = new FieldAbsoluteDate<>(field, detector.getDates().get(0).getDate());
              final FieldAbsoluteDate<S> d1 = new FieldAbsoluteDate<>(field, detector.getDates().get(1).getDate());
              @SuppressWarnings("unchecked")
              final FieldAbstractDetector<D, S> converted = (FieldAbstractDetector<D, S>) new FieldDateDetector<>(maxCheck, null, d0, d1);
              return converted;
          }
  
      }
  
      protected IntervalDates createTrigger(final AbsoluteDate start, final AbsoluteDate stop) {
          return new IntervalDates(start, stop);
      }
  
      @Test
      public void testComponents() {
          IntervalDates trigger = createTrigger(AbsoluteDate.J2000_EPOCH,
                                                AbsoluteDate.J2000_EPOCH.shiftedBy(100.0));
          final List<TimeStamped>    dates = trigger.getFiringIntervalDetector().getDates();
          Assert.assertEquals(1,     trigger.getEventsDetectors().count());
          Assert.assertEquals(1,     trigger.getFieldEventsDetectors(Decimal64Field.getInstance()).count());
          Assert.assertEquals(2,     dates.size());
          Assert.assertEquals(  0.0, dates.get(0).getDate().durationFrom(AbsoluteDate.J2000_EPOCH), 1.0e-10);
          Assert.assertEquals(100.0, dates.get(1).getDate().durationFrom(AbsoluteDate.J2000_EPOCH), 1.0e-10);
      }
  
  }