/* Copyright 2022-2025 Luc Maisonobe
    * 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.analytical.gnss.data;
  
  import org.hipparchus.CalculusFieldElement;
  import org.hipparchus.Field;
  import org.hipparchus.util.FastMath;
  
  import java.util.function.Function;
  
  /**
   * Class for Galileo almanac.
   *
   * @see "European GNSS (Galileo) Open Service, Signal In Space,
   *      Interface Control Document, Table 75"
   *
   * @param <T> type of the field elements
   * @author Luc Maisonobe
   * @since 13.0
   *
   */
  public class FieldGalileoAlmanac<T extends CalculusFieldElement<T>>
      extends FieldAbstractAlmanac<T, GalileoAlmanac> {
  
      /** Nominal inclination (Ref: Galileo ICD - Table 75). */
      private static final double I0 = FastMath.toRadians(56.0);
  
      /** Nominal semi-major axis in meters (Ref: Galileo ICD - Table 75). */
      private static final double A0 = 29600000;
  
      /** Satellite E5a signal health status. */
      private int healthE5a;
  
      /** Satellite E5b signal health status. */
      private int healthE5b;
  
      /** Satellite E1-B/C signal health status. */
      private int healthE1;
  
      /** Almanac Issue Of Data. */
      private int iod;
  
      /** Constructor from non-field instance.
       * @param field    field to which elements belong
       * @param original regular non-field instance
       */
      public FieldGalileoAlmanac(final Field<T> field, final GalileoAlmanac original) {
          super(field, original);
          setHealthE5a(original.getHealthE5a());
          setHealthE5b(original.getHealthE5b());
          setHealthE1(original.getHealthE1());
          setIOD(original.getIOD());
      }
  
      /** Constructor from different field instance.
       * @param <V> type of the old field elements
       * @param original regular non-field instance
       * @param converter for field elements
       */
      public <V extends CalculusFieldElement<V>> FieldGalileoAlmanac(final Function<V, T> converter,
                                                                     final FieldGalileoAlmanac<V> original) {
          super(converter, original);
          setHealthE5a(original.getHealthE5a());
          setHealthE5b(original.getHealthE5b());
          setHealthE1(original.getHealthE1());
          setIOD(original.getIOD());
      }
  
      /** {@inheritDoc} */
      @Override
      public GalileoAlmanac toNonField() {
          return new GalileoAlmanac(this);
      }
  
      /** {@inheritDoc} */
      @SuppressWarnings("unchecked")
      @Override
      public <U extends CalculusFieldElement<U>, G extends FieldGnssOrbitalElements<U, GalileoAlmanac>>
          G changeField(final Function<T, U> converter) {
          return (G) new FieldGalileoAlmanac<>(converter, this);
      }
  
      /**
       * Sets the difference between the square root of the semi-major axis
       * and the square root of the nominal semi-major axis.
      * <p>
      * In addition, this method set the value of the Semi-Major Axis.
      * </p>
      * @param dsqa the value to set
      */
     public void setDeltaSqrtA(final T dsqa) {
         final T sqrtA = dsqa.add(FastMath.sqrt(A0));
         setSma(sqrtA.square());
     }
 
     /**
      * Sets the the correction of orbit reference inclination at reference time.
      * <p>
      * In addition, this method set the value of the reference inclination.
      * </p>
      * @param dinc correction of orbit reference inclination at reference time in radians
      */
     public void setDeltaInc(final T dinc) {
         setI0(dinc.add(I0));
     }
 
     /**
      * Gets the Issue of Data (IOD).
      *
      * @return the Issue Of Data
      */
     public int getIOD() {
         return iod;
     }
 
     /**
      * Sets the Issue of Data (IOD).
      *
      * @param iodValue the value to set
      */
     public void setIOD(final int iodValue) {
         this.iod = iodValue;
     }
 
     /**
      * Gets the E1-B/C signal health status.
      *
      * @return the E1-B/C signal health status
      */
     public int getHealthE1() {
         return healthE1;
     }
 
     /**
      * Sets the E1-B/C signal health status.
      *
      * @param healthE1 health status to set
      */
     public void setHealthE1(final int healthE1) {
         this.healthE1 = healthE1;
     }
 
     /**
      * Gets the E5a signal health status.
      *
      * @return the E5a signal health status
      */
     public int getHealthE5a() {
         return healthE5a;
     }
 
     /**
      * Sets the E5a signal health status.
      *
      * @param healthE5a health status to set
      */
     public void setHealthE5a(final int healthE5a) {
         this.healthE5a = healthE5a;
     }
 
     /**
      * Gets the E5b signal health status.
      *
      * @return the E5b signal health status
      */
     public int getHealthE5b() {
         return healthE5b;
     }
 
     /**
      * Sets the E5b signal health status.
      *
      * @param healthE5b health status to set
      */
     public void setHealthE5b(final int healthE5b) {
         this.healthE5b = healthE5b;
     }
 
 }