using System.Collections.Generic;
using UnityEngine;
using System.Linq;
namespace BITKit.Entities
{

    public sealed class EntityAnimator : EntityComponent
    {
        public Animator[] animators;
        [SerializeReference, SubclassSelector] public References[] animationKeyWords;
        [SerializeReference, SubclassSelector] public References _rootVelocity;
        [SerializeReference, SubclassSelector] public References[] boolParameters;
        [SerializeReference, SubclassSelector] public References[] floatParameters;
        List<string> keyWords;
        public override void OnAwake()
        {
            keyWords = animationKeyWords.Select(x => x.Get()).ToList();
        }
        public override void OnStart()
        {
            entity.AddListener<string>(Constant.Animation.Play, Play);
        }

        private void Play(string animationName)
        {
            if (animationKeyWords.Length is 0 || keyWords.Contains(animationName))
            {
                animators.ForEach(x =>
                {
                    if (!x.isActiveAndEnabled) return;
                    animationName = animationName.Replace(".", "_");
                    x.SetTrigger(animationName);
                });
            }
        }
        public override void OnFixedUpdate(float deltaTime)
        {
            foreach (var boolPar in boolParameters)
            {
                animators.ForEach(x =>
               {
                   if (x.isActiveAndEnabled)
                       x.SetBool(boolPar, entity.Get<bool>(boolPar));
               });
            }
            foreach (var floatPar in floatParameters)
            {
                animators.ForEach(x =>
               {
                   if (x.isActiveAndEnabled)
                       x.SetFloat(floatPar, entity.Get<float>(floatPar));
               });
            }
        }
        private void OnAnimatorMove()
        {
            entity.Set(_rootVelocity, animators[0].velocity);
        }
        // ReSharper disable once UnusedMember.Local
        private void AnimationEvent(string eventName)
        {
            entity.Invoke(Constant.Animation.OnEvent, eventName);
        }
    }
}