using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace UniversalEditor.ObjectModels.Lighting.Fixture
{
	public class Channel : ICloneable
	{
		public class ChannelCollection
			: System.Collections.ObjectModel.Collection<Channel>
		{
			protected override void InsertItem(int index, Channel item)
			{
				base.InsertItem(index, item);
				_channelsByName.Add(item.Name, item);
                _channelsByID.Add(item.ID, item);
				item._parentCollection = this;
			}
			protected override void RemoveItem(int index)
			{
				_channelsByName.Remove(this[index].Name);
                _channelsByID.Remove(this[index].ID);
				this[index]._parentCollection = null;
				base.RemoveItem(index);
			}
			protected override void SetItem(int index, Channel item)
			{
				_channelsByName.Remove(this[index].Name);
                _channelsByID.Remove(this[index].ID);
				base.SetItem(index, item);
				_channelsByName.Add(item.Name, item);
                _channelsByID.Add(item.ID, item);
				item._parentCollection = this;
			}

            protected override void ClearItems()
            {
                _channelsByName.Clear();
                _channelsByID.Clear();
                base.ClearItems();
            }

			private Dictionary<string, Channel> _channelsByName = new Dictionary<string, Channel>();
			public Channel this[string Name]
			{
				get
				{
					if (_channelsByName.ContainsKey(Name)) return _channelsByName[Name];
					return null;
				}
			}

            private Dictionary<Guid, Channel> _channelsByID = new Dictionary<Guid, Channel>();
            public Channel this[Guid ID]
            {
                get
                {
                    if (_channelsByID.ContainsKey(ID)) return _channelsByID[ID];
                    return null;
                }
            }

			internal void UpdateName(Channel item, string newName)
			{
				_channelsByName.Remove(item.Name);
				_channelsByName.Add(newName, item);
			}
		}

        private Guid mvarID = Guid.Empty;
        public Guid ID { get { return mvarID; } set { mvarID = value; } }

		private ChannelCollection _parentCollection = null;

		private string mvarName = String.Empty;
        public string Name
        {
            get { return mvarName; }
            set
            {
                if (_parentCollection != null)
                {
                    _parentCollection.UpdateName(this, value);
                }
                mvarName = value;
            }
        }

		private string mvarGroup = String.Empty;
		public string Group { get { return mvarGroup; } set { mvarGroup = value; } }

		private Capability.CapabilityCollection mvarCapabilities = new Capability.CapabilityCollection();
		public Capability.CapabilityCollection Capabilities { get { return mvarCapabilities; } }

        public override string ToString()
        {
            return mvarName + " (" + mvarGroup + ")";
        }

		public object Clone()
		{
			Channel clone = new Channel();
			foreach (Capability capability in mvarCapabilities)
			{
				clone.Capabilities.Add(capability.Clone() as Capability);
			}
			clone.Group = (mvarGroup.Clone() as string);
			clone.Name = (mvarName.Clone() as string);
			return clone;
		}
    }
}