using System.Collections.Generic;
using BehaviorDesigner.Runtime;
using Cysharp.Threading.Tasks;
using Gameplay.BT.Variables;
using Gameplay.BT;
using UnityEngine;
using PhxhSDK;

namespace Gameplay.AI
{
    public class AIManager : Singlenton<AIManager>, IInitable, IUpdatable
    {
        private BTImplement _iaiImplement;

        private List<BehaviorTree> bts;
        private List<BehaviorTree> btsForSelf;

        public void Init()
        {
            bts = new List<BehaviorTree>();
            btsForSelf = new List<BehaviorTree>();
            _iaiImplement = BTImplement.Instance;
            _iaiImplement.Init();
            PVEManager.Instance.AutoFight = false;
        }

        public void Release()
        {
            btsForSelf = null;
            bts = null;
            _iaiImplement.Release();
        }

        public void Update(float deltaTime)
        {
            _iaiImplement.Update(deltaTime);
        }

        public void StartAllNpcAI()
        {
            foreach (var bt in bts)
            {
                bt.EnableBehavior();
            }
        }

        /// <summary>
        /// 开启或关闭可操作单位
        /// </summary>
        public void EnableAllSelfAI(bool enable)
        {
            if (enable)
                foreach (var bt in btsForSelf)
                {
                    bt.EnableBehavior();
                }
            else
                foreach (var bt in btsForSelf)
                {
                    bt.DisableBehavior();
                }
        }

        public void EnableSingleAI(GameObject go, bool enable)
        {
            var bt = go.GetComponent<BehaviorTree>();
            if (bt == null) return;
            if (enable)
                bt.EnableBehavior();
            else
                bt.DisableBehavior();
        }

        public async UniTask<BehaviorTree> RegisterAI(GameObject go, string aiName, bool isSelf = false)
        {
            var name = string.IsNullOrEmpty(aiName) ? "AIBehavior" : aiName;
            var bt = await _iaiImplement.RegisterAI(go, name);
            if (isSelf)
                btsForSelf.Add(bt);
            else
                bts.Add(bt);
            return bt;
        }

        public void UnRegisterAI(GameObject go)
        {
            _iaiImplement.UnRegisterAI(go);
        }

        public async UniTask PreLoadAI(HashSet<string> aiNames, int initCount)
        {
            await _iaiImplement.PreLoadAI(aiNames, initCount);
        }
    }
}