using System.Collections;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using Animancer;
using AYellowpaper.SerializedCollections;
using BITKit;
using Unity.Mathematics;
using UnityEngine;

namespace Project.B.Animation
{
    public class ScriptableHumanoidTransitionAnimationFactory : ScriptableObject,IHumanoidTransitionAnimationFactory
    {
        [SerializeReference, SubclassSelector] private IReference[] tags;

        [SerializeField] public SerializedDictionary<float2, AnimationClip> idleToWalk;
        [SerializeField] public SerializedDictionary<float2, AnimationClip> walkToIdle;
        [SerializeField] public SerializedDictionary<float2, AnimationClip> idleTurn;

        [SerializeField] private AnimationClip runToIdle;
        
        public IWrapper<float2> CreateIdleToWalk()
        {
            if (idleToWalk.Count is 0) return null;
            var state = new DirectionalMixerState();
            foreach (var (parameter,clip) in idleToWalk)
            {
                state.Add(clip, parameter);
            }
            return new MixerStateWrapperFloat2(state);
        }

        public IWrapper<float2> CreateWalkToIdle()
        {
            if (walkToIdle.Count is 0) return null;
            var state = new DirectionalMixerState();
            foreach (var (parameter,clip) in walkToIdle)
            {
                state.Add(clip, parameter);
            }
            return new MixerStateWrapperFloat2(state);
        }

        public IWrapper<float2> CreateIdleTurn()
        {
            if (idleTurn.Count is 0) return null;
            var state = new DirectionalMixerState();
            foreach (var (parameter,clip) in idleTurn)
            {
                state.Add(clip, parameter);
            }
            return new MixerStateWrapperFloat2(state);
        }

        public object CreateRunToIdle() => runToIdle;

        public int Hash => tags.GetHashCode();
        public IReadOnlyCollection<string> Tags => tags.Select(x => x.Value).ToImmutableArray();
    }

}