using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Recrowned_Athenaeum.DataTypes;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Serialization;

namespace RecrownedAthenaeum.DataTypes
{
    public class TextureAtlas
    {
        string assetName;
        private TextureAtlasRegion[] textureRegions;

        [XmlIgnore]
        private Texture2D texture;
        [XmlIgnore]
        private Dictionary<string, TextureAtlasRegion> dictionaryOfRegions = new Dictionary<string, TextureAtlasRegion>();

        /// <summary>
        /// Should be called after serialization to prepare the data.
        /// More specifically, loads the texture map, as well as load the regions into a dictionary.
        /// <param name="texture">the texture for the atlas.</param>
        /// </summary>
        public void Initialize(Texture2D texture)
        {
            SetTextureRegions(texture, textureRegions);
        }

        public void SetTextureRegions(Texture2D texture, TextureAtlasRegion[] regions)
        {
            this.texture = texture;
            Array.Sort(regions);
            this.textureRegions = regions;
            dictionaryOfRegions.Clear();
            foreach (TextureAtlasRegion region in textureRegions)
            {
                dictionaryOfRegions.Add(region.name, region);
            }

        }

        public void Draw(SpriteBatch batch, Rectangle destinationRectangle, string textureRegionName)
        {
            dictionaryOfRegions[textureRegionName].Draw(batch, destinationRectangle, );
        }


        public Texture2D TextureOfRegion(string name, GraphicsDevice graphicsDevice)
        {
            return dictionaryOfRegions[name].AsTexture2D(graphicsDevice, texture);
        }
    }
}