using Thousandto.Core.Asset;

using Thousandto.Core.Base;
using Thousandto.Plugins.Common.UniScene;
using System;
using System.Collections.Generic;

using System.Text;
using UnityEngine;
using Thousandto.Cfg.Data;
using Thousandto.Code.Global;
using Thousandto.Code.Center;
using Thousandto.Code.Logic.WarningField;
using Thousandto.Core.Support;
using Thousandto.Core.RootSystem;

namespace Thousandto.Code.Logic
{
    //技能对象
    public class SkillObject : Entity
    {
        #region//私有变量
        private SkillVisualInfo _visualCfg = null;
        private SkillObjectSkill _curSkill = null;
        private ulong _ownerID = 0;
        private bool _postDelete = false;
        private float _moveSpeed = 0f;
        private float _moveAddSpeed = 0f;
        #endregion

        #region//属性
        public ulong OwnerID
        {
            get
            {
                return _ownerID;
            }
        }
        public SkillObjectSkill CurSkill
        {
            get
            {
                return _curSkill;
            }
        }
        public float MoveSpeed
        {
            get
            {
                return _moveSpeed;
            }
            set
            {
                _moveSpeed = value;
            }
        }
        #endregion

        #region//初始化,加载Skin,卸载处理
        protected override FSkinBase OnSetupSkin()
        {
            FSkinModel skin = GameCenter.LuaSystem.Adaptor.CreateFSkinModel(FSkinTypeCode.Custom);
            skin.SetLayer(LayerUtils.SummonObj);
            return skin;
        }

        protected override bool OnInitializeAfter(EntityInitInfo baseInfo)
        {
            base.OnInitializeAfter(baseInfo);
            var info = baseInfo as SkillObjectInitInfo;
            SyncInfo(info);
            return true;
        }

        protected override void OnUninitializeBefore()
        {
            if (_curSkill != null)
            {
                _curSkill.Stop();
                _curSkill = null;
            }
            GameCenter.WarningFiledManager.RemoveFiled(this);
            base.OnUninitializeBefore();
        }

        //初始化FSM状态
        protected override bool OnSetupFSM()
        {
            Fsm = new EntityFSM(this);
            Fsm.AddState(new SkillObjectFSM.Idle());
            Fsm.AddState(new SkillObjectFSM.Move());
            Fsm.SetDefaultStateId(EntityStateID.Idle);
            Fsm.Init(this);
            return true;
        }

        public void SyncInfo(SkillObjectInitInfo info)
        {
            _ownerID = info.OwnerID;
            _visualCfg = info.VisualInfo;
            _moveSpeed = info.MoveSpeed;
            _moveAddSpeed = info.MoveAddSpeed;

            //Debug.LogWarning("Skill Object SyncInfo::_curSkill != null:::" + (_curSkill != null)+":::"+this.ID);
            if (_curSkill != null)
            {
                _curSkill.Stop();
                _curSkill = null;
            }
            
            _curSkill = new SkillObjectSkill();
            _curSkill.DoCreate(_visualCfg, this);
            _curSkill.Start();

            if (info.MovePosList.Count > 1)
            {
                SetDirection2d(info.MovePosList[1] - info.MovePosList[0], false, false);
                Action_MoveTo(info.MovePosList);
            }
            else
            {
                var owner = GameCenter.GameSceneSystem.FindEntity<Character>(_ownerID);
                if(owner != null)
                {
                    SetDirection2d(owner.GetFacingDirection2d(), false, false);
                }
                Stop_Action();
            }
            _postDelete = false;
        }

        //移动到目的--路径点
        public bool Action_MoveTo(List<Vector2> targetList)
        {
            if (!IsTransAble(EntityStateID.PathMove))
                return false;

            if (targetList != null && targetList.Count >= 2)
            {
                PathMoveData data = StateDateCache.Get<PathMoveData>(EntityStateID.PathMove);
                data.Path = targetList;

                bool ret = Fsm.TryTransTo(EntityStateID.PathMove, data);
                if (ret)
                {
                    Fsm.Update(0);
                }
                return ret;
            }
            return false;
        }

        //停止活动,也是休闲状态
        public bool Stop_Action()
        {
            if (Fsm.CurrentState.StateID == EntityStateID.Idle)
                return true;

            if (!IsTransAble(EntityStateID.Idle))
                return false;
            bool ret = Fsm.TryTransTo(EntityStateID.Idle, null);
            if (ret)
            {
                Fsm.Update(0);
            }
            return ret;
        }

        protected override void OnUpdate(float dt)
        {
            base.OnUpdate(dt);

            if (_postDelete)
                return;

            _moveSpeed += _moveAddSpeed * dt;
            if (_curSkill != null)
            {
                _curSkill.Update(dt);
                if (_curSkill.IsEnd)
                {
                    _curSkill.Stop();
                    _curSkill = null;
                    PostDelete();
                }
            }
        }

        private void PostDelete()
        {
            if (!_postDelete)
            {
                var baseScene = Scene as BaseScene;
                if (baseScene != null)
                {
                    baseScene.DeleteEntity(ID);
                }
                _postDelete = true;
            }
        }
        #endregion
    }
}