using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HeuristicLab.Optimization;
using HeuristicLab.Data;
using HeuristicLab.Collections;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Common.Resources;
using HeuristicLab.Common;
using HeuristicLab.Parameters;

namespace HeuristicLab.OKB.AlgorithmHost {

  [StorableClass]
  public class ParameterizedNamedItemContainer : Item {

    public ParameterizedNamedItemContainer() {
      ParameterMapping = new ObservableDictionary<string, string>();
    }

    [StorableConstructor]
    public ParameterizedNamedItemContainer(bool deserializing) : base(deserializing) { }

    [Storable]
    private IParameterizedNamedItem item;
    public IParameterizedNamedItem Item {
      get { return item; }
      set {
        if (value == item) return;
        if (item != null)
          DeregisterItemEvents();
        item = value;
        if (item != null)
          RegisterItemEvents();
        OnItemChanged();
      }
    }
    public event EventHandler ItemChanged;
    protected void OnItemChanged() {
      InitializeMapping();
      EventHandler handler = ItemChanged;
      if (handler != null)
        handler(this, EventArgs.Empty);
    }

    public virtual Type ItemType { get { return typeof(IParameterizedNamedItem); } }

    [Storable]
    public ObservableDictionary<string, string> ParameterMapping { get; private set; }

    public virtual void InitializeMapping() {
      ParameterMapping.Clear();
      foreach (Parameter p in item.Parameters) {
        ParameterMapping.Add(p.Name, null);
      }
    }

    protected virtual void RegisterItemEvents() {
    }

    protected virtual void DeregisterItemEvents() {
    }


    public override string ItemName { get { return "ParameterizedNamedItemContainer"; } }
    public override string ItemDescription { get { return "Container for parameterized named items to be stored in the OKB"; } }
    public override System.Drawing.Image ItemImage { get { return VS2008ImageLibrary.Module; } }
    public override string ToString() { return Item == null ? "Empty Container" : string.Format("<{0}>", Item.Name); }
    public override HeuristicLab.Common.IDeepCloneable Clone(Cloner cloner) {
      ParameterizedNamedItemContainer clone = (ParameterizedNamedItemContainer)Activator.CreateInstance(this.GetType());
      cloner.RegisterClonedObject(this, clone);
      clone.Item = (IParameterizedNamedItem)cloner.Clone(Item);
      clone.ParameterMapping = new ObservableDictionary<string, string>();
      foreach (var item in ParameterMapping) {
        clone.ParameterMapping.Add(item.Key, item.Value);
      }
      return clone;
    }
  }
}