using System.Collections;
using System.Collections.Generic;
using UnityEngine;
namespace BITKit
{
    public class AnimatorStateHelper : StateMachineBehaviour
    {
        public string stateName;
        IGenericEvent<string> genericEvent;
        public override void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
        {
            EnsureValid(animator);
            genericEvent?.Invoke<string>(Constant.Animation.OnPlay, stateName);
        }
        public override void OnStateUpdate(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
        {
            EnsureValid(animator);
            genericEvent?.Invoke<AnimatorStateInfo>(stateName, stateInfo);
        }
        public override void OnStateExit(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
        {
            EnsureValid(animator);
            genericEvent?.Invoke<string>(Constant.Animation.OnPlayEnd, stateName);
            genericEvent?.Invoke<AnimatorStateInfo>(stateName, new());
        }
        void EnsureValid(Animator animator)
        {
            if (genericEvent is null)
            {
                genericEvent = animator.GetComponent<IGenericEvent<string>>();
            }
        }
    }
}