using System;
using UnityEngine;

namespace DefaultNamespace.FSM
{
    public class ChaseSystem : MonoBehaviour, IFiniteStateMachine
    {
        [SerializeField] private IState _defaultState;
        [SerializeField] private PlayerController _player;

        private IState _currentState = null;

        private void Awake()
        {
            // _currentState = _defaultState; // isn't working, because an interface can't be serialized by the Unity Serializer
            _currentState = new IdleState(gameObject, _player, 60.0f);
        }

        private void Start()
        {
            _currentState?.Enter(this);
        }

        private void Update()
        {
            // if (_currentState == null) return;
            _currentState?.Update(this);
        }

        public void SetState(IState state)
        {
            _currentState.Exit(this);
            _currentState = state;
            _currentState.Enter(this);
        }
    }
}