using System.Collections.Generic;
using CustomNPCFramework.Framework.Enums;
using CustomNPCFramework.Framework.Graphics.TextureGroups;
using Microsoft.Xna.Framework;
using StardustCore.UIUtilities;

namespace CustomNPCFramework.Framework.Graphics
{
    /// <summary>Used to handle loading different textures and handling opperations on those textures.</summary>
    public class AssetSheet
    {
        /// <summary>Used to hold the textures for the AssetSheet.</summary>
        public TextureGroup textures;

        /// <summary>Used to hold the info for the paths to these textures.</summary>
        public AssetInfo assetInfo;

        /// <summary>The path to this assetinfo.json file</summary>
        public string path;

        /// <summary>The source rectangle for the current texture to draw.</summary>
        public Rectangle currentAsset;

        public int index;

        /// <summary>Construct an instance.</summary>
        /// <param name="info">The asset info file to be read in or created. Holds path information.</param>
        /// <param name="relativeDirPath">The relative path to the assetinfo file.</param>
        /// <param name="direction">The direction to set the animation.</param>
        public AssetSheet(AssetInfo info, string relativeDirPath, Direction direction = Direction.down)
        {
            this.assetInfo = info;
            this.textures = new TextureGroup(info, relativeDirPath, direction);
            this.path = relativeDirPath;
            this.index = 0;
        }

        /// <summary>Get the path to the current texture.</summary>
        public virtual KeyValuePair<string, Texture2DExtended> getPathTexturePair()
        {
            return new KeyValuePair<string, Texture2DExtended>(this.path, this.textures.currentTexture.currentTexture);
        }

        /// <summary>Used just to get a copy of this asset sheet.</summary>
        public virtual AssetSheet clone()
        {
            var asset = new AssetSheet(this.assetInfo, (string)this.path.Clone());
            return asset;
        }

        /// <summary>Sets the textures for this sheet to face left.</summary>
        public virtual void setLeft()
        {
            this.textures.setLeft();
        }

        /// <summary>Sets the textures for this sheet to face up.</summary>
        public virtual void setUp()
        {
            this.textures.setUp();
        }

        /// <summary>Sets the textures for this sheet to face down.</summary>
        public virtual void setDown()
        {
            this.textures.setDown();
        }

        /// <summary>Sets the textures for this sheet to face left.</summary>
        public virtual void setRight()
        {
            this.textures.setRight();
        }

        /// <summary>Get the current animation texture.</summary>
        public virtual Texture2DExtended getCurrentSpriteTexture()
        {
            return this.textures.currentTexture.currentTexture;
        }

        /// <summary>Get the specific texture depending on the direction and animation type.</summary>
        /// <param name="direction">The facing direction.</param>
        /// <param name="type">The animation type.</param>
        public virtual Texture2DExtended getTexture(Direction direction, AnimationType type)
        {
            return this.textures.getTextureFromAnimation(type).getTextureFromDirection(direction);
        }
    }
}