using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

using Rmake.Framework.Logging;
using Rmake.Rendering.APIWrapper;
using Rmake.Rendering.ComponentLayer;

namespace Rmake.GameRendering
{
	/// <summary>
	/// GameRendering関連の初期化をおこなうクラス
	/// </summary>
	public class GameRenderingInitializer
	{
		private D3DDeviceWrapper device = null;

		private ComponentFactory componentFactory = null;
		private ComponentManager componentManager = null;

		private GameRenderingFactory factory = null;
		private GameRenderingManager manager = null;
		private bool initialized = false;

		/// <summary>
		/// GameRendering関連のインスタンスを生成するクラスの
		/// インスタンスを取得する
		/// </summary>
		public GameRenderingFactory Factory
		{
			get {return factory;}
		}

		/// <summary>
		/// GameRendering関連のインスタンスを管理するクラスの
		/// インスタンスを取得する
		/// </summary>
		public GameRenderingManager Manager
		{
			get {return manager;}
		}

		/// <summary>
		/// 初期化されているのならばtrue
		/// 初期化されていないのならばfalseを返す
		/// </summary>
		public bool Initialized
		{
			get { return initialized; }
		}

		/// <summary>
		/// Constructor
		/// </summary>
		private GameRenderingInitializer()
		{

		}

		~GameRenderingInitializer()
		{
			this.Release();
		}

		private static GameRenderingInitializer gameRenderingInitializer = null;

		static public GameRenderingInitializer GetInstance()
		{
			if (gameRenderingInitializer == null)
			{
				gameRenderingInitializer = new GameRenderingInitializer();
			}
			return gameRenderingInitializer;
		}

		/// <summary>
		/// GameRendering を初期化する Method
		/// </summary>
		/// <param name="control">初期化時に使用する Control</param>
		/// <param name="isWindowMode">true の場合は Window Mode</param>
		/// <returns>初期化に成功した場合は true、失敗した場合は false</returns>
		public bool Initialize(Control control, bool isWindowMode)
		{
			Release();

			// New Instances
			device = new D3DDeviceWrapper();
			componentManager = new ComponentManager();
			componentFactory = new ComponentFactory();

			manager = new GameRenderingManager();
			factory = new GameRenderingFactory();

			// Initialize Instances
			if(device.Initialize(control, isWindowMode) == false)
			{
				return false;
			}

			componentManager.Initialize(device);
			componentFactory.Initialize(device, componentManager);

			manager.Initialize(componentManager);
			factory.Initialize(componentFactory, manager);

			initialized = true;

			return true;
		}

		/// <summary>
		/// GameRendering の終了処理を行う
		/// </summary>
		public void Release()
		{
			initialized = false;

			if(factory != null)
			{
				factory.CleanUp();
				factory = null;
			}

			if(manager != null)
			{
				manager.CleanUp();
				manager = null;
			}
			
			if(componentFactory != null)
			{
				componentFactory.CleanUp();
				componentFactory = null;
			}

			if(componentManager != null)
			{
				componentManager.CleanUp();
				componentManager = null;
			}
			
			if (device != null)
			{
				device.CleanUp();
				device = null;
			}
		}


	}
}