using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Cysharp.Threading.Tasks;
using Gameplay.Effect;
using Gameplay.Skill;
using Gameplay.Unit;
using Gameplay.Unit.Data;
using PhxhSDK;

namespace Gameplay.Summon
{
    using cfg.SummonCfg;
    using Level;
    using LTGame;
    using UnityEngine;

    public class BaseSummon : GameUnit
    {

        public readonly DataSummon configData;
        public readonly SummonRuntimeData runtimeData;

        protected NStateMachine<BaseSummonState> _fsm;

        public readonly GameUnit creator;

        public BaseSummon(DataSummon configData, uint id, GameUnit creator) : base(id, creator.commonData.troopId, EGameUnitType.Summon)
        {
            // TODO: 暂时不知道从哪里读
            commonData.level = 1;
            this.creator = creator;
            this.configData = configData;
            runtimeData = new SummonRuntimeData();
            runtimeData.remainExistTime = configData.ExistTime;

            commonData.canControl = false;
            statusData.canBeAttack = configData.CanBeAttack;

            commonData.standLevel = configData.StandCrossLevel;
            commonData.crossLevel = configData.MoveCrossLevel;
        }

        private void _InitFsm()
        {
            _OnInitFsm();
        }

        protected virtual void _OnInitFsm()
        {
            _fsm = new NStateMachine<BaseSummonState>();
            _fsm.Add(new SummonStateWaitRemove(this));
        }

        public async void Create()
        {
            var modelPath = configData.ModelPath;
            var loadObj = await AssetManager.Instance.LoadAssetAsync<GameObject>(modelPath);
            if (loadObj == null)
            {
                return;
            }
            var instObj = Object.Instantiate(loadObj, Node.GameObject.transform);
            instObj.transform.localPosition = Vector3.zero;
            instObj.transform.localRotation = Quaternion.identity;
            instObj.transform.localScale = Vector3.one;

            Node.GameObject.SetLayerEx(Node.GameObject.layer);
        }

        public void Init(int createCellIndex, float yaw)
        {
            _InitNode(createCellIndex, yaw);
            _OnInited();
            _InitFsm();
        }

        private void _InitNode(int createCellIndex, float yaw)
        {
            var map = LevelManager.Instance.CurrentLevel.Map;
            var worldPos = map.TGSCellIndex2WorldPosition(createCellIndex);
            transData.pos = worldPos;
            transData.yaw = yaw;

            Node.GameObject.transform.SetPositionAndRotation(transData.pos, transData.rot);
        }

        protected virtual void _OnInited() {

        }

        protected override void _OnLogicUpdate(float dt)
        {
            base._OnLogicUpdate(dt);
            
            _UpdateExitTime(dt);

            _fsm.LogicUpdate(dt);

            _UpdateTrans(dt);
        }

        private void _UpdateExitTime(float dt)
        {
            runtimeData.remainExistTime -= dt;
        }

        private void _UpdateTrans(float dt)
        {
            if (IsDispose()) return;
            if (transData.isTransChanged)
            {
                Node.GameObject.transform.SetPositionAndRotation(transData.pos, transData.rot);
            }
            transData.Reset();
        }
        
        protected float _ReatFloatParam(int index)
        {
            if (configData.FloatParams.Count <= index)
            {
                DebugUtil.LogError("技能参数不足: " + configData.RoleID + " " + index);
                return 0;
            }
            return configData.FloatParams[index];
        }
        
        protected int _ReadIntParam(int index)
        {
            var floatVal = _ReatFloatParam(index);
            return Mathf.RoundToInt(floatVal);
        }

        protected override void OnDispose()
        {
            // 播放销毁特效
            if (configData.DestroyEffectId > 0)
            {
                EffectManager.instance.PlayEffectById(configData.DestroyEffectId, 
                    Node.GameObject.transform.position,
                    Node.GameObject.transform.rotation);
            }
                    
            // 播放销毁音效
            if (configData.DestroyAudioId > 0)
            {
                _ = AudioManager.Instance.PlayAudio(configData.DestroyAudioId, Node.GameObject.transform.position);
            }
            base.OnDispose();
        }

    }
}