using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Reflection;


namespace mRemoteNG.Tools
{
	public class PropertyGridCommandSite : IMenuCommandService, ISite
	{
		protected object TheObject;
		public PropertyGridCommandSite(object @object)
		{
			TheObject = @object;
		}
			
        public DesignerVerbCollection Verbs
		{
			get
			{
				DesignerVerbCollection objectVerbs = new DesignerVerbCollection();
				// ReSharper disable VBPossibleMistakenCallToGetType.2
				MethodInfo[] methods = TheObject.GetType().GetMethods(BindingFlags.Public | BindingFlags.Instance);
				// ReSharper restore VBPossibleMistakenCallToGetType.2
				foreach (MethodInfo method in methods)
				{
					object[] commandAttributes = method.GetCustomAttributes(typeof(CommandAttribute), true);
					if (commandAttributes == null || commandAttributes.Length == 0)
					{
						continue;
					}
						
					CommandAttribute commandAttribute = (CommandAttribute) (commandAttributes[0]);
					if (!commandAttribute.Command)
					{
						continue;
					}
						
					string displayName = method.Name;
					object[] displayNameAttributes = method.GetCustomAttributes(typeof(DisplayNameAttribute), true);
					if (!(displayNameAttributes == null || displayNameAttributes.Length == 0))
					{
						DisplayNameAttribute displayNameAttribute = (DisplayNameAttribute) (displayNameAttributes[0]);
						if (!string.IsNullOrEmpty(displayNameAttribute.DisplayName))
						{
							displayName = displayNameAttribute.DisplayName;
						}
					}
					objectVerbs.Add(new DesignerVerb(displayName, new EventHandler(VerbEventHandler)));
				}
					
				return objectVerbs;
			}
		}
			
		private void VerbEventHandler(object sender, EventArgs e)
		{
			DesignerVerb verb = sender as DesignerVerb;
			if (verb == null)
			{
				return ;
			}
			// ReSharper disable VBPossibleMistakenCallToGetType.2
			MethodInfo[] methods = TheObject.GetType().GetMethods(BindingFlags.Public | BindingFlags.Instance);
			// ReSharper restore VBPossibleMistakenCallToGetType.2
			foreach (MethodInfo method in methods)
			{
				object[] commandAttributes = method.GetCustomAttributes(typeof(CommandAttribute), true);
				if (commandAttributes == null || commandAttributes.Length == 0)
				{
					continue;
				}
					
				CommandAttribute commandAttribute = (CommandAttribute) (commandAttributes[0]);
				if (!commandAttribute.Command)
				{
					continue;
				}
					
				string displayName = method.Name;
				object[] displayNameAttributes = method.GetCustomAttributes(typeof(DisplayNameAttribute), true);
				if (!(displayNameAttributes == null || displayNameAttributes.Length == 0))
				{
					DisplayNameAttribute displayNameAttribute = (DisplayNameAttribute) (displayNameAttributes[0]);
					if (!string.IsNullOrEmpty(displayNameAttribute.DisplayName))
					{
						displayName = displayNameAttribute.DisplayName;
					}
				}
					
				if (verb.Text == displayName)
				{
					method.Invoke(TheObject, null);
					return ;
				}
			}
		}
			
		public object GetService(Type serviceType)
		{
			if (serviceType == typeof(IMenuCommandService))
			{
				return this;
			}
			else
			{
				return null;
			}
		}
			
        public System.ComponentModel.IComponent Component
		{
			get { throw (new NotImplementedException()); }
		}
			
        public System.ComponentModel.IContainer Container
		{
			get { return null; }
		}
			
        public bool DesignMode
		{
			get { return true; }
		}
			
        public string Name
		{
			get { throw (new NotImplementedException()); }
			set { throw (new NotImplementedException()); }
		}
			
		public void AddCommand(MenuCommand command)
		{
			throw (new NotImplementedException());
		}
			
		public void AddVerb(DesignerVerb verb)
		{
			throw (new NotImplementedException());
		}
			
		public MenuCommand FindCommand(CommandID commandId)
		{
			throw (new NotImplementedException());
		}
			
		public bool GlobalInvoke(CommandID commandId)
		{
			throw (new NotImplementedException());
		}
			
		public void RemoveCommand(MenuCommand command)
		{
			throw (new NotImplementedException());
		}
			
		public void RemoveVerb(DesignerVerb verb)
		{
			throw (new NotImplementedException());
		}
			
		public void ShowContextMenu(CommandID menuId, int x, int y)
		{
			throw (new NotImplementedException());
		}
			
	}
		
	public class CommandAttribute : Attribute
	{
		private bool _Command = false;
        public bool Command
		{
			get { return _Command; }
			set { _Command = value; }
		}
		public CommandAttribute(bool isCommand = true)
		{
			Command = isCommand;
		}
	}
}