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package editor.settings;


import java.util.HashSet;
import java.util.Set;
import java.util.function.BiConsumer;

/**
 */
public abstract class AbstractSettings> implements ISettings
{
  private T _params;

  private transient String _name;
  private transient String _path;
  private transient Set> _listeners;


  public AbstractSettings( T params, String name, String path )
  {
    _params = params;
    _name = name;
    _path = path;
    _listeners = new HashSet<>();
  }

  @Override
  public String getName()
  {
    return _name;
  }

  @Override
  public String getPath()
  {
    return _path;
  }

  @Override
  public T getParams()
  {
    return _params;
  }
  public void setParams( T params, boolean persistent )
  {
    T oldValue = _params;
    _params = params;
    if( persistent )
    {
      notifyListeners( oldValue, params );
    }
  }

  public void addChangeListener( BiConsumer listener )
  {
    _listeners.add( listener );
  }

  protected void notifyListeners( T oldValue, T params )
  {
    _listeners.forEach( bicon -> bicon.accept( oldValue, params ) );
  }

  @Override
  public boolean equals( Object o )
  {
    if( this == o )
    {
      return true;
    }
    if( !(o instanceof AbstractSettings) )
    {
      return false;
    }

    AbstractSettings that = (AbstractSettings)o;

    return _params.equals( that._params );
  }

  @Override
  public int hashCode()
  {
    int result = _params.hashCode();
    result = 31 * result + _params.hashCode();
    return result;
  }
}