// This file is part of the Noddybox.Emulation C# suite.
//
// Noddybox.Emulation is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Noddybox.Emulation is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Noddybox.Emulation.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (c) 2012 Ian Cowburn
//
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input.Touch;

namespace Noddybox.Emulation.Xna.Input.Joystick
{
    /// <summary>
    /// Displays and drives the joystick.  Unlike the keyboard this is not
    /// not done event driven, but as a clasic Joystick interface.
    /// </summary>
    public class JoystickDriver
    {
        #region Private data

        private Texture2D backgroundImage;
        private Texture2D joystickImage;
        private Texture2D buttonImage;
        private Vector2 position;
        private JoystickState state;

        #endregion

        #region Private members

        #endregion

        #region Public properties

        /// <summary>
        /// Get the current state of the joystick and fire buttons.
        /// </summary>
        public JoystickState State {get {return state;}}

        #endregion

        #region Public members

        /// <summary>
        /// Updates the keyboard.  Note that this will consume all the key press events.
        /// </summary>
        public void Update()
        {
            foreach (TouchLocation t in TouchPanel.GetState())
            {
            //    int x = (int)t.Position.X;
            //    int y = (int)t.Position.Y;
            //    int f = 0;
            //    KeyState key = null;


            //    if (t.State == TouchLocationState.Pressed)
            //    {
            //        for(f = 0; f < keymapSize && key == null; f++)
            //        {
            //            if (keymapPos[f].Contains(x, y))
            //            {
            //                key = keymapState[f];
            //            }
            //        }

            //        if (key != null)
            //        {
            //            key.TouchId = t.Id;

            //            if (key.IsSticky)
            //            {
            //                key.IsPressed = !key.IsPressed;
            //            }
            //            else
            //            {
            //                key.IsPressed = true;
            //            }

            //            if (KeyEvent != null)
            //            {
            //                KeyEvent(this, new KeyPressEventArgs() {Key = key.Symbol, Pressed = key.IsPressed});
            //            }
            //        }
            //    }
            //    else if (t.State == TouchLocationState.Released)
            //    {
            //        for(f = 0; f < keymapSize && key == null; f++)
            //        {
            //            if (keymapState[f].TouchId == t.Id)
            //            {
            //                key = keymapState[f];
            //            }
            //        }

            //        if (key != null)
            //        {
            //            if (!key.IsSticky)
            //            {
            //                key.IsPressed = false;

            //                if (KeyEvent != null)
            //                {
            //                    KeyEvent(this, new KeyPressEventArgs() {Key = key.Symbol, Pressed = key.IsPressed});
            //                }
            //            }
            //        }
            //    }

            //    // If no key handled, pass on the event
            //    //
            //    if (key == null && keymapState.Where(r => r.TouchId == t.Id).Count() == 0)
            //    {
            //        if (TouchEvent != null)
            //        {
            //            TouchEvent(this, new TouchLocationEventArgs() {Location = t});
            //        }
            //    }
            }
        }

        /// <summary>
        /// Draw the keyboard
        /// </summary>
        /// <param name="spriteBatch"></param>
        public void Draw(SpriteBatch spriteBatch)
        {
            //spriteBatch.Draw(image, position, Color.White);

            //for(int f = 0; f < keymapSize; f++)
            //{
            //    if (keymapState[f].IsPressed)
            //    {
            //        spriteBatch.Draw(overlay, keymapPos[f], new Color(200, 200, 0, 25));
            //    }
            //}
        }

        #endregion

        #region Constructors

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="graphics">The graphics device to associate textures with.</param>
        /// <param name="backgroundImage">The image for the joystick background.</param>
        /// <param name="joystickImage">The image for the joystick knob.</param>
        /// <param name="buttonImage">The image for a joystick button.</param>
        /// <param name="position">Where to draw and offset the joystick to.</param>
        public JoystickDriver(GraphicsDevice graphics, Texture2D backgroundImage, Texture2D joystickImage, Texture2D buttonImage, Vector2 position)
        {
            this.backgroundImage = backgroundImage;
            this.joystickImage = joystickImage;
            this.buttonImage = buttonImage;
            this.position = position;
            this.state = JoystickState.None;
        }

        #endregion
    }
}