using HeuristicLab.Operators;
using HeuristicLab.Optimization;
using HeuristicLab.Core;
using HeuristicLab.Parameters;
using HeuristicLab.Common;
using HeuristicLab.Data;
using HEAL.Attic;

namespace HeuristicLab.Problems.MetaOptimization {
  [StorableType("FC23D1DD-52F8-44CC-8873-1858449F4385")]
  public class DiscreteIntValueCrossover : SingleSuccessorOperator, IIntValueCrossover, IStochasticOperator {
    public ILookupParameter<IRandom> RandomParameter {
      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
    }

    public DiscreteIntValueCrossover() { }
    [StorableConstructor]
    protected DiscreteIntValueCrossover(StorableConstructorFlag _) : base(_) { }
    protected DiscreteIntValueCrossover(DiscreteIntValueCrossover original, Cloner cloner)
      : base(original, cloner) {
    }
    public override IDeepCloneable Clone(Cloner cloner) {
      return new DiscreteIntValueCrossover(this, cloner);
    }

    public void Apply(IRandom random, IntValue value, IntValue other, IntValueRange range) {
      ApplyStatic(random, value, other, range);
    }

    public static void ApplyStatic(IRandom random, IntValue value, IntValue other, IntValueRange range) {
      if (random.NextDouble() > 0.5) {
        value.Value = other.Value;
      }
    }
  }
}