using Koptilnya.StateMachine;
using Mirror;
using UnityEngine;

namespace Characters.Enemy.States
{
    public class StunnedState : State<EnemyState>
    {
        private readonly Enemy _enemy;
        private static readonly int StunnedAnimHash = Animator.StringToHash("stunned");
        private readonly AudioClip _stunnedClip;
        private bool _entered;

        public StunnedState(Enemy enemy) : base(EnemyState.Stunned)
        {
            _enemy = enemy;
            _stunnedClip = Resources.Load<AudioClip>("Audio/EnemySounds/FX/stunned");
        }
        
        public override void Enter()
        {
            if (_enemy.isServer)
            {
                _enemy.targetTransform = null;

                _enemy.SetSpeedMul(0f);
                _enemy.networkAnimator.SetTrigger(StunnedAnimHash);
            }
            
            if(_enemy.isClient)
            {
                _enemy.audioSource.clip = _stunnedClip;
                _enemy.audioSource.Play();
                _enemy.hitVFX.Stop();
                _enemy.hitVFX.Play();
            }
        }

        public override void ReEnter()
        {
            if (_enemy.isServer)
            {
                _enemy.networkAnimator.SetTrigger(StunnedAnimHash);
            }

            if (_enemy.isClient)
            {
                _enemy.audioSource.Stop();
                _enemy.audioSource.Play();
            }
        }

        [ServerCallback]
        public override void Update()
        {
            var stateInfo = _enemy.animator.GetCurrentAnimatorStateInfo(0);
            
            bool inAnim = stateInfo.shortNameHash == StunnedAnimHash;

            if (!_entered && inAnim) _entered = true;

            if (_entered && !inAnim) _enemy.ChangeState(EnemyState.Patrol);
        }

        public override void Exit()
        {
            if (_enemy.isServer)
            {
                _entered = false;
            
                _enemy.networkAnimator.ResetTrigger(StunnedAnimHash);
                _enemy.SetSpeedMul(1f);
            }

            if (_enemy.isClient)
            {
                _enemy.audioSource.Stop();
            }
        }
    }
}