using System;
using System.Globalization;
using System.Linq;
using HeuristicLab.BioBoost.Data;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Data;
using HeuristicLab.Encodings.IntegerVectorEncoding;
using HeuristicLab.Encodings.RealVectorEncoding;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using System.Collections.Generic;
using HeuristicLab.BioBoost.Representation;

namespace HeuristicLab.BioBoost.Operators.Transformation {

  [StorableClass]
  public class FeedstockDeflater : FeedstockTransformer {

    public ILookupParameter<IntArray> ViableSourcesParameter { get { return (ILookupParameter<IntArray>) Parameters["ViableSources"]; } }
    public ILookupParameter<IntArray> ViableTargetsParameter { get { return (ILookupParameter<IntArray>) Parameters["ViableTargets"]; } }

    public IntArray ViableSources { set { ViableSourcesParameter.ActualValue = value; } }
    public IntArray ViableTargets { set { ViableTargetsParameter.ActualValue = value; } }

    #region Construction & Cloning
    [StorableConstructor]
    protected FeedstockDeflater(bool isDeserializing) : base(isDeserializing) {}
    protected FeedstockDeflater(FeedstockDeflater orig, Cloner cloner) : base(orig, cloner) {}
    public FeedstockDeflater() {
      Parameters.Add(new LookupParameter<IntArray>("ViableSources", "A list with all indices of viable source regions."));
      Parameters.Add(new LookupParameter<IntArray>("ViableTargets", "A list with all indices of viable target regions."));
    }
    public override IDeepCloneable  Clone(Cloner cloner) {
      return new FeedstockDeflater(this, cloner);
    }
    #endregion

    public override IOperation Apply() {
      var product = ProductName;
      var potentials = GetFromProblemData<DoubleArray>(LayerDescriptor.PotentialsFromProblemData.NameWithPrefix(product));
      var utilizations = GetFromScope<RealVector>(LayerDescriptor.Utilizations.NameWithPrefix(product));
      if (potentials != null && utilizations != null) {
        var newUtilizations = new List<double>();
        for (int i = 0; i < potentials.Length; i++) {
          if (potentials[i] > 0) {
            newUtilizations.Add(utilizations[i]);
          }
        }
        TransformValue(LayerDescriptor.Utilizations.NameWithPrefix(product), new RealVector(newUtilizations.ToArray()));
      }
      var targets = GetFromScope<IntegerVector>(LayerDescriptor.TransportTargets.NameWithPrefix(product));
      var viableSources = new List<int>();
      if (potentials != null && targets != null) {
        for (int i = 0; i < potentials.Length; i++) {
          if (potentials[i] > 0) {
            viableSources.Add(i);
          }
        }
        ViableSources = new IntArray(viableSources.ToArray());
      }
      var conversion = ProblemData.Conversions[product].FirstOrDefault();
      var viableTargets = new List<int>();
      if (conversion != null && targets != null) {
        for (int i = 0; i < targets.Length; i++) {
          if (GetMaxCapacity(i, conversion.MaxCapacities, Double.MaxValue) > 0) {
            viableTargets.Add(i);
          }
        }
        ViableTargets = new IntArray(viableTargets.ToArray());
      } 
      return base.Apply();
    }

  }
}