#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2015 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.Algorithms.ALPS.SteadyState {
  [Item("NamedSubScopesCreator", "An operator which create named subscopes.")]
  [StorableClass]
  public class NamedSubScopesCreator : SingleSuccessorOperator {
    #region Parameter Properties
    public IValueLookupParameter<StringArray> NamesParameter {
      get { return (IValueLookupParameter<StringArray>)Parameters["Names"]; }
    }
    #endregion

    [StorableConstructor]
    protected NamedSubScopesCreator(bool deserializing) : base(deserializing) { }
    protected NamedSubScopesCreator(NamedSubScopesCreator original, Cloner cloner)
      : base(original, cloner) {
    }
    public NamedSubScopesCreator()
      : base() {
      Parameters.Add(new ValueLookupParameter<StringArray>("Names", "Names for the new SubScopes.", new StringArray(new[] { "A", "B" })));
    }
    public override IDeepCloneable Clone(Cloner cloner) {
      return new NamedSubScopesCreator(this, cloner);
    }

    public override IOperation Apply() {
      var intermediateParameters = new LayerIntermediateParameter();
      foreach (string name in NamesParameter.Value) {
        var scope = new Scope(name);
        ExecutionContext.Scope.SubScopes.Add(scope);
        intermediateParameters.Add(new ValueParameter<IScope>(name, scope));
      }

      var intermediateContext = new ExecutionContext(ExecutionContext.Parent, intermediateParameters, ExecutionContext.Scope);
      return Successor != null ? intermediateContext.CreateChildOperation(Successor) : null;
    }
  }
}