using System;
using System.Diagnostics;
using System.IO;
using System.Windows.Forms;
using System.Xml;
using Emergent.Gamebryo.SceneDesigner.PluginAPI;
using Emergent.Gamebryo.SceneDesigner.PluginAPI.StandardServices;

namespace Emergent.Gamebryo.SceneDesigner.StdPluginsCs.UIBinding
{
	/// <summary>
	/// Summary description for DynamicShortCutBuilder.
	/// </summary>
	internal class DynamicShortcutBuilder : AbstractBuilder
	{
        #region Private Data
        private ServiceProvider m_provider;
        private IUICommandService m_commandService;
//        private IToolBarService m_toolbarService;
//        private IMessageService m_messageService;
        private IShortcutService m_shortcutService;
        //Used to temporarily store the file name of the XML stream
        private string m_xmlFileName;
        #endregion
        public DynamicShortcutBuilder(ServiceProvider provider)
		{
            m_provider = provider;
            m_commandService = m_provider.GetService(typeof(IUICommandService))
                as IUICommandService;
            m_shortcutService = m_provider.GetService(typeof(IShortcutService))
                as IShortcutService;
        }

	    public override void Build(Stream xmlStream)
	    {
            m_xmlFileName = null;
            //Debugger.Break();
            FileStream fStream = xmlStream as FileStream;
            if (fStream != null)
            {
                m_xmlFileName = fStream.Name;
            }
            XmlDocument domObject = ReadXML(xmlStream);
	        XmlNodeList items = 
                domObject.DocumentElement.SelectNodes("Shortcut");
            BuildFromNodeList(items, "");

	    }

	    private void BuildFromNodeList(XmlNodeList items, string s)
	    {
            foreach (XmlNode shortcutNode in items)
            {
                string shortcutName = 
                    shortcutNode.SelectSingleNode("@name").Value;
                string commandName =
                    shortcutNode.SelectSingleNode("Command/@name").Value;
                XmlNodeList keyNodes = shortcutNode.SelectNodes("Key");
                Keys key = Keys.None;
                foreach (XmlNode keyNode in keyNodes)
                {
                    string keyString = 
                        keyNode.SelectSingleNode("@name").Value;
                    Keys keyValue = (Keys) Enum.Parse(typeof(Keys), keyString);
                    key = key | keyValue;
                }
                UICommand command = m_commandService.GetCommand(commandName);
                m_shortcutService.RegisterShortcut(key, command);
            }
        }

	    private void BuildShortcut(string name, XmlNodeList items)
	    {
	    }


	}
}