#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab 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 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab 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 HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Data;
using HeuristicLab.Operators;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.Encodings.ConditionActionEncoding {
  [Item("TempSubScopeIDAssigner", "Description missing")]
  [StorableClass]
  public class TempSubScopeIDAssigner : SingleSuccessorOperator {

    #region Parameter Properties
    public IValueLookupParameter<IntValue> LeftSideParameter {
      get { return (IValueLookupParameter<IntValue>)Parameters["LeftSide"]; }
    }
    private ScopeParameter CurrentScopeParameter {
      get { return (ScopeParameter)Parameters["CurrentScope"]; }
    }
    public IScope CurrentScope {
      get { return CurrentScopeParameter.ActualValue; }
    }
    #endregion

    [StorableConstructor]
    protected TempSubScopeIDAssigner(bool deserializing) : base(deserializing) { }
    protected TempSubScopeIDAssigner(TempSubScopeIDAssigner original, Cloner cloner)
      : base(original, cloner) {
    }
    public TempSubScopeIDAssigner()
      : base() {
      Parameters.Add(new ValueLookupParameter<IntValue>("LeftSide"));
      Parameters.Add(new ScopeParameter("CurrentScope"));
    }
    public override IDeepCloneable Clone(Cloner cloner) {
      return new TempSubScopeIDAssigner(this, cloner);
    }

    public override IOperation Apply() {
      var subscopes = CurrentScope.SubScopes;
      string name = LeftSideParameter.ActualName;

      for (int i = 0; i < subscopes.Count; i++) {
        if (subscopes[i].Variables.ContainsKey(name)) {
          ((IntValue)subscopes[i].Variables[name].Value).Value = i;
        } else {
          subscopes[i].Variables.Add(new Variable(name, new IntValue(i)));
        }
      }

      return base.Apply();
    }
  }
}