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

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

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

namespace Rmake.GameRendering
{
	/// <summary>
	/// 選択肢windowクラス
	/// </summary>
	public class SelectWindowView : GameRenderingView
	{
		private WindowView windowView = null;
		private TextView textView = null;
		private ImageView imageView = null;
		private D3DTextData[] textDatas = null;
        private List<String> texts = null;
        private List<int> colors = null;
        private int selectionSize = 0;
		private int currentIndex = 0;

		public SelectWindowView()
		{
            texts = new List<string>();
            colors = new List<int>();
		}

        public int SelectionSize
        {
            get { return selectionSize; }
        }
        
        internal override int LayerIndex
		{
			get { return windowView.LayerIndex; }
			set
			{
				windowView.LayerIndex = value;
				textView.LayerIndex = value;
				imageView.LayerIndex = value + 1;
			}
		}

		/// <summary>
		/// 現在選択されている選択肢の番号
		/// </summary>
		public int CurrentIndex
		{
			set
			{
				if(value < 0) currentIndex = 0;
				else if(value >= selectionSize) currentIndex = selectionSize - 1;
				else currentIndex = value; 
			}
			get{ return currentIndex; }
		}

		/// <summary>
		/// Windowの矩形
		/// </summary>
		public Rectangle Rect
		{
			get { return windowView.Rect; }
			set 
            { 
                windowView.Rect = value;
                for (int i = 0; i < textDatas.Length; i++)
                {
                    if (textDatas[i] != null)
                    {
                        textView.ClearText(textDatas[i]);
                        textDatas[i] = textView.DrawText(
                            Rect.X + windowView.Border + 4 + 16 + 4,
                            Rect.Y + windowView.Border + 4 + textView.FontHeight * i,
                            Rect.Width - (windowView.Border + 4) * 2 - (16 + 4),
                            Rect.Height - (windowView.Border + 4) * 2 - (textView.FontHeight * i),
                            texts[i], colors[i]);
                    }
                }
            }
		}

		internal void Initialize(WindowView windowView, TextView textView
						, ImageView imageView, int selectionSize)
		{
			this.windowView = windowView;
			this.textView = textView;
			this.imageView = imageView;
			this.selectionSize = selectionSize;

			imageView.IsDependCamera = false;

			textDatas = new D3DTextData[selectionSize];
			for(int i = 0 ; i < selectionSize ; i++)
			{
				textDatas[i] = null;
			}

			imageView.SourceRectangle = new Rectangle(48, 16, 16, 16);
            imageView.Visible = false;
		}

		internal override void Finalize(GameRenderingManager manager)
		{
			manager.Manager.DeleteRenderView(windowView);
			manager.Manager.DeleteRenderView(textView);
			manager.Manager.DeleteRenderView(imageView);
			textDatas = null;

            //base.Finalize(manager);
		}

		internal override void Render(GameRenderingManager manager)
		{
			imageView.DestinationPoint = new Point(
				Rect.X + windowView.Border + 4,
				Rect.Y + windowView.Border + 3 + (textView.FontHeight - 12) / 2 + textView.FontHeight * currentIndex);
		}

		internal override void SetVisible(bool visible)
		{
			windowView.ViewVisible = visible;
			textView.ViewVisible = visible;
            imageView.ViewVisible = visible;
		}

		/// <summary>
		/// 選択肢の指定
		/// </summary>
		/// <param name="index">何番目の選択肢の設定をおこなうかどうか</param>
		/// <param name="text">選択肢の文章</param>
		/// <param name="color">選択肢の文字の色</param>
		public void SetOption(int index, string text, int color)
		{
			if(textDatas[index] != null)
				textView.ClearText(textDatas[index]);
			textDatas[index] = textView.DrawText(
				Rect.X + windowView.Border + 4 + 16 + 4,
				Rect.Y + windowView.Border + 4 + textView.FontHeight * index,
                Rect.Width - (windowView.Border + 4) * 2 - (16 + 4),
                Rect.Height - (windowView.Border + 4) * 2 - (textView.FontHeight * index),
				text, color);

            texts.Add(text);
            colors.Add(color);

            imageView.Visible = true;

		}

		/// <summary>
		/// 次の選択肢を選択
		/// </summary>
		public void Next()
		{
			currentIndex++;
			if(currentIndex >= selectionSize) 
				currentIndex = 0;
		}

		/// <summary>
		/// 前の選択肢を選択
		/// </summary>
		public void Previous()
		{
			currentIndex--;
			if(currentIndex < 0)
				currentIndex = selectionSize - 1;
		}
	}
}