using RimWorld;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Verse;

namespace Rimworld_Animations
{
    public class PawnRenderNode_BodyTypeVariants : PawnRenderNode_GraphicVariants
    {

        private BodyTypeDef bodyType;
        protected new PawnRenderNodeProperties_BodyTypeVariants props;

        public PawnRenderNode_BodyTypeVariants(Pawn pawn, PawnRenderNodeProperties props, PawnRenderTree tree) : base(pawn, props, tree)
        {

            this.props = (PawnRenderNodeProperties_BodyTypeVariants)props;

        }

        protected Dictionary<int, Graphic> GraphicBodyTypeVariantsFor(Pawn pawn)
        {

            if (props.bodyTypeVariantsDef == null)
            {
                Log.Error("[Anims] Error: Tried to use BodyTypeVariants node, but bodyTypeVariants weren't given");
                return null;
            }

            //for each different hediff-based texpathvariants,
            foreach (TexPathVariants_BodyType texPathVariant_BodyType in props.bodyTypeVariantsDef)
            {
                if (pawn.story?.bodyType == texPathVariant_BodyType.bodyType)
                {
                    //return that specific variant
                    bodyType = texPathVariant_BodyType.bodyType;
                    return GenerateVariants(pawn, texPathVariant_BodyType.texPathVariantsDef);

                }

            }

            return null;

        }

        protected override void EnsureMaterialsInitialized()
        {
            if (variants == null 
                || this.tree.pawn.story?.bodyType != bodyType)
            variants = GraphicBodyTypeVariantsFor(this.tree.pawn);

            //call this in case variants wasn't set, and there is no graphic bodytype variants appropriate; it'll set variants based on default
            base.EnsureMaterialsInitialized();
        }


    }

}