using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Drawing;
using System.Resources;


namespace SpriteLibrary
{
    public enum AnimationType {  SpriteDefinition=0, Rotation=1, Mirror=2 }
    public class AnimationInfo
    {
        public AnimationType FieldsToUse = AnimationType.SpriteDefinition;
        public int AnimationToUse = 0;
        public int RotationDegrees=0;
        public bool MirrorHorizontally = false;
        public bool MirrorVertically = false;
        public Point StartPoint = new Point(-1, -1);
        public string ImageName = "";
        public int Width = -1;
        public int Height = -1;
        public int NumFrames = 1;
        public int AnimSpeed = 200;

        /// <summary>
        /// A generic cloning method that works when everything is public
        /// </summary>
        /// <returns></returns>
        public AnimationInfo Clone()
        {
            return SpriteDatabase.CloneByXMLSerializing<AnimationInfo>(this);
        }
    }

    public class SpriteInfo
    {
        public string SpriteName = "";
        public int ViewPercent = 100;  //The percent size of the sprite.  100 is full.  50 is half-size
        public List<AnimationInfo> Animations = new List<AnimationInfo>();

        /// <summary>
        /// A generic cloning method that works when everything is public
        /// </summary>
        /// <returns></returns>
        public SpriteInfo Clone()
        {
            return SpriteDatabase.CloneByXMLSerializing<SpriteInfo>(this);
        }

        /// <summary>
        /// Update the current SpriteInfo class such that it is identical to the class you are copying from.
        /// </summary>
        /// <param name="toCopyFrom">A spriteInfo class</param>
        public void CopyFrom(SpriteInfo toCopyFrom)
        {
            if (toCopyFrom == null) return;
            SpriteName = toCopyFrom.SpriteName;
            ViewPercent = toCopyFrom.ViewPercent;
            Animations.Clear();
            foreach(AnimationInfo AI in toCopyFrom.Animations)
            {
                Animations.Add(AI.Clone());
            }
        }

        public Sprite CreateSprite(SpriteController ControllerToUse, SpriteDatabase TheDatabaseToUse)
        {
            Sprite DestSprite = null;
            if (ControllerToUse == null) return null;
            for (int index = 0; index < Animations.Count; index++)
            {
                AnimationInfo CurrentAnimation = Animations[index];
                Image myImage = TheDatabaseToUse.GetImageFromName(CurrentAnimation.ImageName, true);
                if (myImage == null) return null;  //break out if we do not have the image defined for this
                AnimationType AT = CurrentAnimation.FieldsToUse;
                if (index == 0) AT = AnimationType.SpriteDefinition;  //the first one MUST be this.
                switch(AT)
                {
                    case AnimationType.SpriteDefinition:
                        if(DestSprite == null)//Creating the sprite from scratch
                        {
                            DestSprite = new Sprite(CurrentAnimation.StartPoint, ControllerToUse, myImage, CurrentAnimation.Width, CurrentAnimation.Height, CurrentAnimation.AnimSpeed, CurrentAnimation.NumFrames);
                        }
                        else
                        {
                            DestSprite.AddAnimation(CurrentAnimation.StartPoint, myImage, CurrentAnimation.Width, CurrentAnimation.Height, CurrentAnimation.AnimSpeed, CurrentAnimation.NumFrames);
                        }
                        break;
                    case AnimationType.Rotation:
                        DestSprite.AddAnimation(CurrentAnimation.AnimationToUse, CurrentAnimation.RotationDegrees);
                        break;
                    case AnimationType.Mirror:
                        DestSprite.AddAnimation(CurrentAnimation.AnimationToUse, CurrentAnimation.MirrorHorizontally,CurrentAnimation.MirrorVertically);
                        break;
                }
            }
            int sizepercent = ViewPercent;
            if (sizepercent < 5) sizepercent = 100;
            if (sizepercent > 300) sizepercent = 100;
            double delta = (double)sizepercent / 100.0; //turn it into a double, and into something we can multiply.
            DestSprite.SetSize(new Size((int)(DestSprite.GetSize.Width * delta), (int)(DestSprite.GetSize.Height * delta)));
            DestSprite.SetName(SpriteName);
            //We have created a new sprite.  Now, return a duplicate of that sprite.
            return DestSprite;
        }
    }
}