/* Copyright (C) 2002-2006  The Chemistry Development Kit (CDK) project
 *
 *  Contact: cdk-devel@lists.sourceforge.net
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1
 *  of the License, or (at your option) any later version.
 *  All I ask is that proper credit is given for my work, which includes
 *  - but is not limited to - adding the above copyright notice to the beginning
 *  of your source code files, and to any copyright notice that you may distribute
 *  with programs based on this work.
 *
 *  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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

using System;

namespace NCDK.Isomorphisms.Matchers.SMARTS
{
    /// <summary>
    /// This matcher checks the hybridization state of an atom.
    /// </summary>
    // @cdk.module smarts
    // @cdk.keyword SMARTS
    [Obsolete]
    public class HybridizationNumberAtom : SMARTSAtom
    {
        /// <summary>
        /// Creates a new instance
        /// </summary>
        /// <param name="hybridizationNumber">the hybridiation</param>
        public HybridizationNumberAtom(int hybridizationNumber)
            : base()
        {
            switch (hybridizationNumber)
            {
                case 1:
                    Hybridization = Hybridization.SP1;
                    break;
                case 2:
                    Hybridization = Hybridization.SP2;
                    break;
                case 3:
                    Hybridization = Hybridization.SP3;
                    break;
                case 4:
                    Hybridization = Hybridization.SP3D1;
                    break;
                case 5:
                    Hybridization = Hybridization.SP3D2;
                    break;
                case 6:
                    Hybridization = Hybridization.SP3D3;
                    break;
                case 7:
                    Hybridization = Hybridization.SP3D4;
                    break;
                case 8:
                    Hybridization = Hybridization.SP3D5;
                    break;
            }
        }

        public override bool Matches(IAtom atom)
        {
            return Hybridization == atom.Hybridization;
        }

        public override string ToString()
        {
            return ("HybridizationNumberAtom(" + Hybridization.ToString() + ")");
        }
    }
}
