using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework.Graphics;
using System.Xml;
using DW.UserInterface_2D;
using Microsoft.Xna.Framework;
using System.Diagnostics;

namespace DW.Stream
{
    /// <summary>
    /// Each pane represents the local viewport space inside the window
    /// If in 3D, each 'pane' would be a camera
    /// </summary>
    public class Pane
    {
        public Viewport viewport;
        public HUD hud;
        
        /// <summary>
        /// Each pane represents the local viewport space inside the window
        /// </summary>
        /// <param name="fileName">Location of the HUD associated with this pane</param>
        /// <param name="location">Local space viewport</param>
        public Pane(string fileName, Rectangle location)
        {
            viewport = new Viewport();
            X = location.X;
            Y = location.Y;
            Width = location.Width;
            Height = location.Height;

            try
            {
                XmlDocument reader = new XmlDocument();
                reader.Load(fileName);

                hud = new HUD(viewport);
                foreach (XmlNode node in reader.ChildNodes)
                {
                    if (node.Name == "HUDSettings")
                    {
                        hud.LoadScreenObjects(node);
                    }
                }
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine("Error reading xml");
                throw e;
            }
        }

        /// <summary>
        /// Find the quadrant viewport for the individual HUDS
        /// </summary>
        /// <param name="rect">Local viewport</param>
        public void Resize(Rectangle rect)
        {
            // Set Size
            X = rect.X; Y = rect.Y;
            Width = rect.Width; Height = rect.Height;

            // Pass it along
            hud.Resize(rect);
        }
        /// <summary>
        /// Handles Update for the panes and into the HUDs - other classes should
        /// use this for Update calls as well
        /// </summary>
        /// <param name="gameTimer">Passed down from engine, controls the HUD timer</param>
        /// <param name="gametime">Provides a snapshot of timing values</param>
        public void Update(Stopwatch gameTimer, GameTime gametime)
        {
            #region HUD Update
            // Update the Game Time
            int seconds = ((int)gameTimer.Elapsed.TotalSeconds) % 60;
            int minutes = ((int)gameTimer.Elapsed.TotalSeconds) / 60;
            string formatedSeconds = seconds.ToString();
            if (seconds < 10)
            {
                formatedSeconds = "0" + seconds.ToString();
            }
            string timing = minutes.ToString() + ":" + formatedSeconds;
            this.hud.textDisplays[this.hud.getHUDIndex("timerText")].text = timing;

            // Call update on HUD if and ONLY if you are using the event system for DIALOGUE
            // hud.Update();
            #endregion


        }

        /// <summary>
        /// Draws each pane and the objects that belong to the pane
        /// </summary>
        public void Draw()
        {
            // Not good to pass a global into the HUD but needs redev to fix so !!HACK!!
            hud.Draw(Renderer.spriteBatch);
        }

        #region Dimensions
        /// <summary>
        /// Get/Set the pane's viewport height
        /// </summary>
        public int Height
        {
            get{return this.viewport.Height;}
            set{this.viewport.Height = Renderer.Dimensions.CLIENTBOUNDS.Height;}
        }
        /// <summary>
        /// Get/Set the pane's viewport width
        /// </summary>
        public int Width
        {
            get{return this.viewport.Width;}
            set { this.viewport.Width = Renderer.Dimensions.CLIENTBOUNDS.Width; }
        }
        /// <summary>
        /// Get/Set the pane's viewport x coordinate (top left corner is 0,0)
        /// </summary>
        public int X
        {
            get{return this.viewport.X;}
            set { this.viewport.X = Renderer.Dimensions.CLIENTBOUNDS.X; }
        }
        /// <summary>
        /// Get/Set the pane's viewport y coordinate (top left corner is 0,0)
        /// </summary>
        
        public int Y
        {
            get{return this.viewport.Y;}
            set { this.viewport.Y = Renderer.Dimensions.CLIENTBOUNDS.Y; }
        }
        #endregion
    }
}