package nom.tam.fits.compression.provider.param.base;
   
   import nom.tam.fits.BinaryTable;
   import nom.tam.fits.BinaryTableHDU;
   import nom.tam.fits.FitsException;
   import nom.tam.fits.Header;
   import nom.tam.fits.HeaderCard;
   import nom.tam.fits.HeaderCardException;
   import nom.tam.fits.compression.provider.param.api.ICompressColumnParameter;
  import nom.tam.fits.compression.provider.param.api.ICompressHeaderParameter;
  import nom.tam.fits.compression.provider.param.api.ICompressParameters;
  
  /*
   * #%L
   * nom.tam FITS library
   * %%
   * Copyright (C) 1996 - 2024 nom-tam-fits
   * %%
   * This is free and unencumbered software released into the public domain.
   *
   * Anyone is free to copy, modify, publish, use, compile, sell, or
   * distribute this software, either in source code form or as a compiled
   * binary, for any purpose, commercial or non-commercial, and by any
   * means.
   *
   * In jurisdictions that recognize copyright laws, the author or authors
   * of this software dedicate any and all copyright interest in the
   * software to the public domain. We make this dedication for the benefit
   * of the public at large and to the detriment of our heirs and
   * successors. We intend this dedication to be an overt act of
   * relinquishment in perpetuity of all present and future rights to this
   * software under copyright law.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   * #L%
   */
  
  import static nom.tam.fits.header.Standard.TTYPEn;
  
  /**
   * (<i>for internal use</i>) A set of {@link CompressParameter}s that are bundled together, typically because they are
   * parameters that all link to the same {@link nom.tam.fits.compression.algorithm.api.ICompressOption}
   * 
   * @see CompressParameter
   */
  public abstract class CompressParameters implements ICompressParameters, Cloneable {
  
      @Override
      public void addColumnsToTable(BinaryTableHDU hdu) throws FitsException {
          for (ICompressColumnParameter parameter : columnParameters()) {
              Object column = parameter.getColumnData();
              if (column != null) {
                  hdu.setColumnName(hdu.addColumn(column) - 1, parameter.getName(), null);
              }
          }
      }
  
      @Override
      protected CompressParameters clone() {
          try {
              return (CompressParameters) super.clone();
          } catch (CloneNotSupportedException e) {
              return null;
          }
      }
  
      @Override
      public void setTileIndex(int index) {
      }
  
      @Override
      public void getValuesFromColumn(int index) {
          for (ICompressColumnParameter parameter : columnParameters()) {
              parameter.getValueFromColumn(index);
          }
      }
  
      @Override
      public void getValuesFromHeader(Header header) throws HeaderCardException {
          for (ICompressHeaderParameter compressionParameter : headerParameters()) {
              compressionParameter.getValueFromHeader(header);
          }
      }
  
      @Override
      public void initializeColumns(Header header, BinaryTable binaryTable, int size)
              throws HeaderCardException, FitsException {
          for (ICompressColumnParameter parameter : columnParameters()) {
              parameter.setColumnData(getNullableColumn(header, binaryTable, parameter.getName()), size);
          }
      }
  
      @Override
     public void initializeColumns(int size) {
         for (ICompressColumnParameter parameter : columnParameters()) {
             parameter.setColumnData(null, size);
         }
     }
 
     @Override
     public void setValuesInColumn(int index) {
         for (ICompressColumnParameter parameter : columnParameters()) {
             parameter.setValueInColumn(index);
         }
     }
 
     @Override
     public void setValuesInHeader(Header header) throws HeaderCardException {
         for (ICompressHeaderParameter parameter : headerParameters()) {
             parameter.setValueInHeader(header);
         }
     }
 
     private Object getNullableColumn(Header header, BinaryTable binaryTable, String columnName)
             throws HeaderCardException, FitsException {
         for (int i = 1; i <= binaryTable.getNCols(); i++) {
             HeaderCard card = header.getCard(TTYPEn.n(i));
             if (card != null) {
                 if (card.getValue().trim().equals(columnName)) {
                     return binaryTable.getColumn(i - 1);
                 }
             }
         }
         return null;
     }
 
     /**
      * Retuens the subset of parameters from within, which are recorded in compressed table columns along with the
      * compressed data.
      * 
      * @return the subset of parameters that are recorded in compressed table columns.
      * 
      * @see    #headerParameters()
      */
     protected ICompressColumnParameter[] columnParameters() {
         return new ICompressColumnParameter[0];
     }
 
     /**
      * Returns the subset of parameters from within, which are recorded in the header of the compressed HDU.
      * 
      * @return the subset of parameters that are recorded in the compressed HDU's header.
      * 
      * @see    #columnParameters()
      */
     protected abstract ICompressHeaderParameter[] headerParameters();
 }