package org.hisp.dhis.query.operators;

/*
 * Copyright (c) 2004-2020, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Restrictions;
import org.hisp.dhis.query.Typed;
import org.hisp.dhis.query.planner.QueryPath;

/**
 * @author Henning Håkonsen
 */
public class TokenOperator
    extends Operator
{
    private final boolean caseSensitive;

    private final org.hibernate.criterion.MatchMode matchMode;

    public TokenOperator( Object arg, boolean caseSensitive, org.hisp.dhis.query.operators.MatchMode matchMode )
    {
        super( "token", Typed.from( String.class ), arg );
        this.caseSensitive = caseSensitive;
        this.matchMode = getMatchMode( matchMode );
    }

    @Override
    public Criterion getHibernateCriterion( QueryPath queryPath )
    {
        String value = caseSensitive ? getValue( String.class ) : getValue( String.class ).toLowerCase();

        return Restrictions.sqlRestriction( "c_." + queryPath.getPath() + " ~* '" + TokenUtils.createRegex( value ) + "'" );
    }

    @Override
    public boolean test( Object value )
    {
        String targetValue = caseSensitive ? getValue( String.class ) : getValue( String.class ).toLowerCase();
        return TokenUtils.test( args, value, targetValue, caseSensitive, matchMode );
    }
}