///////////////////////////////////////////////////////////////////////////////
// For information as to what this class does, see the Javadoc, below.       //
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,       //
// 2007, 2008, 2009, 2010, 2014, 2015, 2022 by Peter Spirtes, Richard        //
// Scheines, Joseph Ramsey, and Clark Glymour.                               //
//                                                                           //
// This program is free software; you can redistribute it and/or modify      //
// it under the terms of the GNU General Public License as published by      //
// the Free Software Foundation; either version 2 of the License, or         //
// (at your option) any later version.                                       //
//                                                                           //
// This program is distributed in the hope that it will be useful,           //
// but WITHOUT ANY WARRANTY; without even the implied warranty of            //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
// GNU General Public License for more details.                              //
//                                                                           //
// You should have received a copy of the GNU General Public License         //
// along with this program; if not, write to the Free Software               //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA //
///////////////////////////////////////////////////////////////////////////////

package edu.cmu.tetradapp.model.datamanip;

import edu.cmu.tetrad.data.*;
import edu.cmu.tetrad.graph.Node;
import edu.cmu.tetrad.util.Parameters;
import edu.cmu.tetrad.util.TetradSerializableUtils;
import edu.cmu.tetradapp.model.DataWrapper;
import edu.cmu.tetradapp.model.PcRunner;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.prefs.Preferences;

/**
 * Created by IntelliJ IDEA.
 *
 * @author Tyler
 */
public class DiscretizationWrapper extends DataWrapper {
    static final long serialVersionUID = 23L;


    /**
     * The discretized data set.
     *
     * @serial Not null.
     * @deprecated
     */
    private final List<DataSet> discretizedDataSets = null;


    /**
     * Constructs the <code>DiscretizationWrapper</code> by discretizing the select
     * <code>DataModel</code>.
     */
    public DiscretizationWrapper(DataWrapper data, Parameters params) {
        if (data == null) {
            throw new NullPointerException("The given data must not be null");
        }
        if (params == null) {
            throw new NullPointerException("The given parameters must not be null");
        }

        DataModelList dataSets = data.getDataModelList();
        DataModelList discretizedDataSets = new DataModelList();

        for (DataModel dataModel : dataSets) {
            if (!(dataModel instanceof DataSet)) {
                throw new IllegalArgumentException("Only tabular data sets can be converted to time lagged form.");
            }

            DataSet originalData = (DataSet) dataModel;

            Map<Node, DiscretizationSpec> discretizationSpecs = (Map<Node, DiscretizationSpec>) params.get("discretizationSpecs", new HashMap<Node, DiscretizationSpec>());
            Discretizer discretizer = new Discretizer(originalData, discretizationSpecs);
            discretizer.setVariablesCopied(Preferences.userRoot().getBoolean("copyUnselectedColumns", true));

            discretizedDataSets.add(discretizer.discretize());
        }


        setDataModel(discretizedDataSets);
        setSourceGraph(data.getSourceGraph());

        LogDataUtils.logDataModelList("Discretization of data in the parent node.", getDataModelList());

    }


    /**
     * Generates a simple exemplar of this class to test serialization.
     *
     * @see TetradSerializableUtils
     */
    public static PcRunner serializableInstance() {
        return PcRunner.serializableInstance();
    }

    //=============================== Private Methods =========================//


    /**
     * Adds semantic checks to the default deserialization method. This method
     * must have the standard signature for a readObject method, and the body of
     * the method must begin with "s.defaultReadObject();". Other than that, any
     * semantic checks can be specified and do not need to stay the same from
     * version to version. A readObject method of this form may be added to any
     * class, even if Tetrad sessions were previously saved out using a version
     * of the class that didn't include it. (That's what the
     * "s.defaultReadObject();" is for. See J. Bloch, Effective Java, for help.
     */
    private void readObject(ObjectInputStream s)
            throws IOException, ClassNotFoundException {
        s.defaultReadObject();
    }


}



