using System;
using System.Reflection;
using System.Windows.Forms;

using Rmake.Model;
using Rmake.Model.Processable.Orders;
using Rmake.Framework.Logging;

namespace Rmake.GUI.Editor.Orders
{
	/// <summary>
	/// OrderEditorLoader の概要の説明です。
	/// </summary>
	public class OrderEditorLoader
	{
		public static Form GetOrderEditor(Type orderType, Order order, EditingModelFactory factory)
		{
			try
			{
				Type editorType = null;

				Assembly assembly = Assembly.GetAssembly(typeof(OrderSelectDialog));
				Type[] types = assembly.GetTypes();
				foreach (Type type in types)
				{
					Object[] attributes = type.GetCustomAttributes(typeof(OrderEditorAttribute), true);
					foreach (Object attribute in attributes)
					{
						if (attribute is OrderEditorAttribute)
						{
							Type temp = ((OrderEditorAttribute) attribute).OrderType;
							if ((orderType.Equals(temp)) || (orderType.IsSubclassOf(temp)))
							{
								editorType = type;
								break;
							}
						}
					}

					if (editorType != null)
					{
						break;
					}
				}

				if (editorType != null)
				{
                    if ((editorType.Equals(typeof(DoScriptOrderEditor))) ||
                        (editorType.Equals(typeof(MoveMapOrderEditor))) ||
                        (editorType.Equals(typeof(AddCharacterOrderEditor))))
                    {
                        Type[] parameters = new Type[2];
                        parameters[0] = typeof(Order);
                        parameters[1] = typeof(EditingModelFactory);
                        
                        ConstructorInfo cInfo = editorType.GetConstructor(parameters);
    
                        Object[] cParams = new Object[2];
                        cParams[0] = order;
                        cParams[1] = factory;
                        return (Form)cInfo.Invoke(cParams);
                    }
                    else
                    {
                        Type[] parameters = new Type[1];
                        parameters[0] = typeof(Order);

                        ConstructorInfo cInfo = editorType.GetConstructor(parameters);
                        
                        Object[] cParams = new Object[1];
                        cParams[0] = order;
                        return (Form)cInfo.Invoke(cParams);
                    }
				}
			}
			catch (Exception ex)
			{
				Logger.Fatal(ex);
			}
			return null;

		}
	}
}