#undef SINGLE_TEST

// Define INGAME_ZOOM to allow zooming in and out with
// the PageUp and PageDown keys.
#define INGAME_ZOOM

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;

namespace CarFire
{
    /// <summary>
    /// This class is responsible for controlling what draws to the screen when the game is running.
    /// </summary>
    public class Display
    {
        Texture2D everything;
        Texture2D projectile1;
        Game mGame;
        GameLogic mGameLogic;
        HUD theHUD;
#if SINGLE_TEST
        List<Keys> mLastPressedKeys = new List<Keys>();
#endif
        public Display(Game game)
        {
            mGame = game;
            mGameLogic = new GameLogic(game);
            theHUD = new HUD(game);
            /*
            mMap = aMap;
            mCharacters = characters;
             */
        }

        /// <summary>
        /// LoadContent will be called once per game and is the place to load
        /// all of your content.
        /// </summary>
        public void LoadContent(ContentManager contentManager)
        {
            everything = contentManager.Load<Texture2D>("cs");
            projectile1 = contentManager.Load<Texture2D>("projectile");
            theHUD.LoadContent(contentManager);
        }

        /// <summary>
        /// UnloadContent will be called once per game and is the place to unload
        /// all content.
        /// </summary>
        public void UnloadContent()
        {
            // TODO: Unload any non ContentManager content here
        }

        /// <summary>
        /// Allows the game to run logic such as updating the world,
        /// checking for collisions, gathering input, and playing audio.
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values.</param>
        public void Update(TimeSpan timeSpan,int thisPlayer)
        {
            mGameLogic.Update(timeSpan, thisPlayer);

#if INGAME_ZOOM
            if (Keyboard.GetState().IsKeyDown(Keys.PageUp)) mGame.State.Map.Zoom = mGame.State.Map.Zoom + 0.5f;
            if (Keyboard.GetState().IsKeyDown(Keys.PageDown)) mGame.State.Map.Zoom = mGame.State.Map.Zoom - 0.5f;
#endif
        }

        /// <summary>
        /// This is called when the game should draw itself.
        /// </summary>
        /// <param name="spriteBatch">Used to draw with</param>
        public void Draw(SpriteBatch spriteBatch)
        {
            mGame.State.Map.Draw(spriteBatch);
            mGame.State.Entities.ForEach(delegate(IEntity e) { e.Draw(spriteBatch); });

            foreach(Projectile projectile in mGame.State.mProjectiles)
            {
                projectile.Draw(spriteBatch);
            }
            for(int i = 0; i < mGame.State.NumberOfPlayers; i++)//IPlayer character in mCharacters)
            {

                if (mGame.State.mCharacters[i] != null)
                {
                    mGame.State.mCharacters[i].Draw(spriteBatch);
                    
                }
            }
            theHUD.Draw(spriteBatch);

            
        }
        
    }
}