/* Copyright 2022-2025 Romain Serra
    * 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.propagation.events;
  
  import org.junit.jupiter.api.Test;
  import org.mockito.Mockito;
  import org.orekit.propagation.SpacecraftState;
  import org.orekit.propagation.events.handlers.ContinueOnEvent;
  import org.orekit.propagation.events.handlers.EventHandler;
  import org.orekit.time.AbsoluteDate;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  class BooleanDetectorTest {
  
      @Test
      void testInit() {
          // GIVEN
          final TestDetector detector = new TestDetector();
          final BooleanDetector booleanDetector = BooleanDetector.andCombine(detector);
          final AbsoluteDate date = AbsoluteDate.ARBITRARY_EPOCH;
          final SpacecraftState mockedState = Mockito.mock(SpacecraftState.class);
          Mockito.when(mockedState.getDate()).thenReturn(date);
          // WHEN
          booleanDetector.init(mockedState, date);
          // THEN
          assertFalse(detector.finished);
          assertFalse(detector.resetted);
          assertTrue(detector.initialized);
      }
  
      @Test
      void testReset() {
          // GIVEN
          final TestDetector detector = new TestDetector();
          final BooleanDetector booleanDetector = BooleanDetector.orCombine(detector);
          final AbsoluteDate date = AbsoluteDate.ARBITRARY_EPOCH;
          final SpacecraftState mockedState = Mockito.mock(SpacecraftState.class);
          Mockito.when(mockedState.getDate()).thenReturn(date);
          // WHEN
          booleanDetector.reset(mockedState, date);
          // THEN
          assertTrue(detector.resetted);
          assertFalse(detector.finished);
          assertFalse(detector.initialized);
      }
  
      @Test
      void testFinish() {
          // GIVEN
          final TestDetector detector = new TestDetector();
          final BooleanDetector booleanDetector = BooleanDetector.orCombine(detector);
          final AbsoluteDate date = AbsoluteDate.ARBITRARY_EPOCH;
          final SpacecraftState mockedState = Mockito.mock(SpacecraftState.class);
          Mockito.when(mockedState.getDate()).thenReturn(date);
          // WHEN
          booleanDetector.finish(mockedState);
          // THEN
          assertTrue(detector.finished);
          assertFalse(detector.resetted);
          assertFalse(detector.initialized);
      }
  
      private static class TestDetector implements EventDetector {
  
          boolean initialized = false;
          boolean resetted = false;
          boolean finished = false;
  
          @Override
          public double g(SpacecraftState s) {
              return 1;
          }
  
          @Override
          public void init(SpacecraftState s0, AbsoluteDate t) {
              EventDetector.super.init(s0, t);
              initialized = true;
          }
  
          @Override
          public void reset(SpacecraftState state, AbsoluteDate target) {
              EventDetector.super.reset(state, target);
              resetted = true;
          }
 
         @Override
         public void finish(SpacecraftState state) {
             EventDetector.super.finish(state);
             finished = true;
         }
 
         @Override
         public EventHandler getHandler() {
             return new ContinueOnEvent();
         }
     }
 }