using System;
using System.Collections;
using System.Windows.Forms;

using Rmake.API.Interfaces;
using Rmake.API.Interfaces.Enums;
using Rmake.API.Realizations.Parts;
using Rmake.Framework.Logging;
using Rmake.GameRendering;
using Rmake.Model;
using Rmake.Model.Engine;

namespace Rmake.API.Realizations
{
	/// <summary>
	/// GameController の概要の説明です。
	/// </summary>
	public class GameController
	{
		private Control renderTarget = null;
		public Control RenderTarget
		{
			get {return renderTarget;}
			set {renderTarget = value;}
		}

		private bool isExit = false;
		private IGamePart currentPart = null;
		private Hashtable gameParts = null;
        private PlayingGame game = null;

        private GameRenderingInitializer gameRenderingInitializer = null;

        public PlayingGame Game
        {
            get { return game; }
        }
		
		public bool IsExit
		{
			get {return isExit;}
			set {isExit = value;}
		}

        public GameController(Game game, Control renderTarget)
		{
			try
			{
                this.renderTarget = renderTarget;

                // Game の生成
                this.game = new PlayingGame(game);

                gameParts = new Hashtable();
                gameParts.Add(GamePartTypes.StartScreen, new StartPart(this));
                gameParts.Add(GamePartTypes.Adventure, new AdventurePart(this));
                gameParts.Add(GamePartTypes.Field2D, new Field2DPart(this));

                // 描画の初期化
                gameRenderingInitializer = GameRenderingInitializer.GetInstance();
                if (!gameRenderingInitializer.Initialized)
                {
                    gameRenderingInitializer.Initialize(renderTarget, true);
                }

                gameRenderingInitializer.Manager.Width = this.RenderTarget.Width;
                gameRenderingInitializer.Manager.Height = this.RenderTarget.Height;	

                // 開始画面の開始                
				ChangeGamePart(GamePartTypes.StartScreen);
                isExit = false;
            }
			catch (Exception ex)
			{
				Logger.Fatal(ex);
			}
		}

		/// <summary>
		/// 
		/// </summary>
		/// <returns></returns>
		public bool RunGame()
		{
			try
			{
				return currentPart.Run();
			}
			catch (Exception ex)
			{
				Logger.Fatal(ex.ToString());
			}

			return false;

		}

		/// <summary>
		/// Event を現在の GamePart に送信する Method
		/// </summary>
		/// <param name="eventType">Event の型</param>
		/// <param name="parameter">Event の Parameter</param>
		public void SendEvent(MessageTypes eventType, Object parameter)
		{
			try
			{
				currentPart.ReceiveEvent(eventType, parameter);
			}
			catch (Exception ex)
			{
				Logger.Fatal(ex.ToString());
			}
		}

		/// <summary>
		/// ゲームの終了
		/// </summary>
		public void FinalizeGameController()
		{
			foreach (DictionaryEntry de in gameParts)
			{
				IGamePart gamePart = (IGamePart) de.Value;
				gamePart.FinalizeGamePart();
			}
		}

		/// <summary>
		/// 現在の GamePart を変更する。
        /// Performance を考慮して、変更前の GamePart の FinalizeGamePart() method を呼び出す。
		/// </summary>
		/// <param name="gamePartType">
		/// 変更後の GamePart の型
		/// </param>
		/// <returns>
		/// GamePart の変更に成功した場合、true を返す。失敗した場合は false を返す。
		/// </returns>
		public bool ChangeGamePart(GamePartTypes gamePartType)
		{
			try
			{
				if (currentPart != null)
				{
					currentPart.FinalizeGamePart();
				}

				IGamePart gamePart = (IGamePart) gameParts[gamePartType];
				
				if (gamePart != null)
				{
					gamePart.Initialize();
					currentPart = gamePart;
					return true;
				}
				else
				{
					return false;
				}
			}
			catch (Exception ex)
			{
				Logger.Fatal(ex.ToString());
			}

			return false;

		}

        public void RestartGame()
        {
            if (currentPart != null)
            {
                currentPart.FinalizeGamePart();
                currentPart.Initialize();
                GC.Collect();
            }
        }

        /// <summary>
        /// ゲームを保存する
        /// </summary>
        public void SaveGame()
        {

        }

        /// <summary>
        /// ゲームを読み込む
        /// </summary>
        public void LoadGame()
        {

        }
	}
}