using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace Stary.Evo.FiniteStateMachine
{
    public interface IFSMController
    {
        void Initialize();
        void AddState(IFSMIState state);
        void RemoveState(IFSMIState state);
    }
    public abstract class AbstractFSMController : MonoBehaviour,IFSMController
    {
        private IFsmSystem manager;


        public void Start()
        {
            manager = new FsmSystem();
            Initialize();
        }

        public void AddState(IFSMIState state)
        {
            if (manager != null)
            {
                manager.AddState(state);
            }
            else
            {
                Debug.LogError("FSMManager未初始化！！");
            }
        }
        public void RemoveState(IFSMIState state)
        {
            if (manager != null)
            {
                manager.RemoveState(state);
            }
            else
            {
                Debug.LogError("FSMManager未初始化！！");
            }
        }
        /// <summary>
        /// FSM在此类中初始化,进行状态的添加等操作
        /// </summary>
        public abstract void Initialize();
        private void Update()
        {
            if (manager != null)
            {
                manager.CurState.Update();
            }
            else
            {
                Debug.LogError("FSMManager未初始化！！");
            }
        }

        private void FixedUpdate()
        {
            if (manager != null)
            {
                manager.CurState.FixedUpdate();
            }
            else
            {
                Debug.LogError("FSMManager未初始化！！");
            }
        }

        private void OnDestroy()
        {
            if (manager != null)
            {
                foreach (var state in  manager. States)
                {
                    state.Value.OnDestory();
                }
            }
            else
            {
                Debug.LogError("FSMManager未初始化！！");
            }
        }

  
    }
}