using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using RhythmBullet.Zer01HD.UI;
using RhythmBullet.Zer01HD.Utilities.UI;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RhythmBullet.Zer01HD.Game
{
    class LoadingScreen : Screen
    {
        Texture2D recrown;
        Color color;
        Rectangle rectangleBounds;
        float proportion = 0.4f;
        RhythmBulletGame rhythmBullet;
        double progress;
        double timePassed;
        public LoadingScreen(RhythmBulletGame rhythmBullet, Rectangle dimensions)
        {
            color = Color.White;
            this.recrown = rhythmBullet.Content.Load<Texture2D>("RhythmBullet");
            this.rhythmBullet = rhythmBullet;
            rectangleBounds = new Rectangle(0, 0, (int)(dimensions.Height * proportion), (int)(dimensions.Height * proportion));
            rectangleBounds.X = (dimensions.Width - rectangleBounds.Width) / 2;
            rectangleBounds.Y = (dimensions.Height - rectangleBounds.Height) / 2;

        }

        public override void Update(GameTime gameTime)
        {
            if (progress < 1f)
            {
                double delta = gameTime.ElapsedGameTime.TotalSeconds;
                timePassed += delta;
                progress = timePassed / 4;
                if (progress > 0.9f)
                {
                    progress = 0.9f;
                }
                rhythmBullet.BackgroundColor.R = (byte)(progress * 255);
                rhythmBullet.BackgroundColor.G = (byte)(progress * 255);
                rhythmBullet.BackgroundColor.B = (byte)(progress * 255);

            }
            base.Update(gameTime);
        }

        public override void Draw(SpriteBatch spriteBatch)
        {
            spriteBatch.Draw(recrown, rectangleBounds, color);
            base.Draw(spriteBatch);
        }
    }
}