//---------------------------------------------------------------------------------------------------------------------------------------------------
// <copyright file="GenericGameScreen.cs" company="DarkWynter Studios">
//     Copyright (C)2007 DarkWynter Studios.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------------------------------------------------------------------------------------
// {Contact : darkwynter.com for licensing information
//---------------------------------------------------------------------------------------------------------------------------------------------------

namespace DarkWynter.Engine.Menus.GameScreens
{
    #region Using Statements
    using System;
    using System.Collections.Generic;
    using Microsoft.Xna.Framework;
    using Microsoft.Xna.Framework.Audio;
    using Microsoft.Xna.Framework.Content;
    using Microsoft.Xna.Framework.Graphics;
    using Microsoft.Xna.Framework.Input;
    using Microsoft.Xna.Framework.Storage;
    using DarkWynter.Engine.Menus;
    using DWGame.Globals;
    using System.Xml;
    using DW.Stream;

    #endregion

    /// <summary>
    /// Displayed while loading game.
    /// </summary>
    public class GenericGameScreen : GameScreen
    {        


        /// <summary>
        /// Loading Screen constructor.
        /// </summary>
        public GenericGameScreen(XmlNode node)
            : base(((Enums_Engine.MenuState)Enum.Parse(typeof(Enums_Engine.MenuState), node.Attributes["EnumMS"].Value)))
        {
            this.backgroundTexturePath = node.Attributes["bgTex"].Value;
            this.drawRectangle.Width = int.Parse(node.Attributes["drawRectangleWidth"].Value);
            this.drawRectangle.Height = int.Parse(node.Attributes["drawRectangleHeight"].Value);
            this.drawRectangle.X = int.Parse(node.Attributes["drawRectangleX"].Value);
            this.drawRectangle.Y = int.Parse(node.Attributes["drawRectangleY"].Value);

            if (this.drawRectangle.Equals(Renderer.Dimensions.CLIENTBOUNDS) == false)
            { this.drawRectangle = Renderer.Dimensions.CLIENTBOUNDS; }

            this.backgroundAlpha = float.Parse(node.Attributes["bgAlpha"].Value);
            this.menuState = (Enums_Engine.MenuState)Enum.Parse(typeof(Enums_Engine.MenuState), node.Attributes["EnumMS"].Value);
            this.eState = (Enums_Engine.EngineState)Enum.Parse(typeof(Enums_Engine.EngineState), node.Attributes["EnumES"].Value);
            this.hasSprites = bool.Parse(node.Attributes["hasSprites"].Value);
            this.hasMenu = bool.Parse(node.Attributes["hasMenu"].Value);

            SetBackground(Renderer.content.Load<Texture2D>(backgroundTexturePath));

            List<XmlNode> xmlList = new List<XmlNode>();

            //Instantiate the GameMenu - if no menu, 0,0, else menu
            if (!hasMenu)
            {
                menu = new GameMenu("", 0, 0);
            }
            else if (node.NextSibling.Name == "MEItem")
            {
                menu = new GameMenu(node.NextSibling.Attributes["name"].Value, 400, 50);
                menu.SetDrawMenuTitle(bool.Parse(node.NextSibling.Attributes["showMenuTitle"].Value));

                foreach (XmlNode childNode in node.NextSibling.ChildNodes)
                {
                    XmlNode xmlNode = childNode;
                    xmlList.Add(xmlNode);
                }
                                
                foreach (XmlNode thisNode in xmlList)
                {
                    if (thisNode.Name == "Option")
                    {
                        menu.AddMenuOption(thisNode.Attributes["label"].Value, thisNode.Attributes["a1"].Value, 
                            thisNode.Attributes["a2"].Value, thisNode.Attributes["a3"].Value, thisNode.Attributes["a4"].Value);

                    }
                    if (thisNode.Name == "Label")
                    { 
                        menu.AddLabel(thisNode.Attributes["label"].Value);
                    }
                    else if (thisNode.Name == "Value")
                    {
                        menu.AddValueInput(
                            thisNode.Attributes["label"].Value, 
                            int.Parse(thisNode.Attributes["a1"].Value),
                            int.Parse(thisNode.Attributes["a2"].Value), 
                            int.Parse(thisNode.Attributes["a3"].Value),
                            int.Parse(thisNode.Attributes["a4"].Value)
                            );
                    }
                }

                menu.SetFont(Renderer.SystemFonts.Arial);
            }
            if (hasSprites)
            { 
                // load additional sprites here
            }
            xmlList.Clear();
        }


        /// <summary>
        /// Draw this menu screen
        /// </summary>
        /// <param name="spriteBatch">Sprite Batch</param>
        public override void Draw(SpriteBatch spriteBatch)
        {
            base.Draw(spriteBatch);

            if (this.eState == Enums_Engine.EngineState.GAME_MODE)
            {
                DWGame.Globals.Statics.engineState = Enums_Engine.EngineState.GAME_MODE;
            }

        }


    }
}