using UnityEngine;
using DG.Tweening;
using AibisDream.Kit;

namespace AibisDream.FixSystem
{
    public class CableSystem : MonoBehaviour
    {
        private const string CableRetractedKey = "$global.cableRetracted";
        private const float RetractResetDuration = 0.06f;
        private const float PullUpDuration = 0.1f;

        private DG.Tweening.Sequence _pullUpSequence;

        #region 组件索引

        public Plug PlugRef { get; private set; }
        public Cable CableRef { get; private set; }

        public PhysicCable PhysicCableRef { get; private set; }
        public Transform CableRootPos { get; private set; }
        public CableReel CableReelRef { get; private set; }

        public BodyModuleSystem BodyModuleSystem { get; private set; }

        #endregion

        #region 系统状态

        public bool isActive = true;
        public bool isCableRetracted = true; // 线缆是否收起

        [SerializeField] private Transform retractedPos; // 收起位置

        [HideInInspector] public ISocket curSocket;
        [HideInInspector] public BodyModule curBodyModule;

        #endregion

        private void Start()
        {
            InitComponentRefs();

            InitSystem();
            LoadCableState();
        }

        
        private void InitComponentRefs()
        {
            PlugRef = transform.Find("Plug").GetComponent<Plug>();
            CableRef = transform.Find("Cable").GetComponent<Cable>();
            CableReelRef = transform.Find("CableReel").GetComponent<CableReel>();
            CableRootPos = CableReelRef.transform.Find("Cable Root Pos").transform;
            PhysicCableRef = transform.Find("PhysicCable").GetComponent<PhysicCable>();

            BodyModuleSystem = FixSystemCenter.SystemDic.Get<BodyModuleSystem>();
        }

        private void InitSystem()
        {
            if (isCableRetracted)
            {
                SetRetractCable();
            }
            else
            {
                PlugRef.ReturnToStartPosition();
            }
        }

        private void LoadCableState()
        {
            if (YarnVariableStorage.Instance.TryGetValue(CableRetractedKey, out bool savedRetractedState))
            {
                if (isCableRetracted)
                {
                    if (!savedRetractedState)
                    {
                        DropDownCable();
                    }
                }
                else
                {
                    if (savedRetractedState)
                    {
                        PullUpCable();
                    }
                }
            }
        }

        private void SaveCableState()
        {
            Debug.Log("Save cableRetractedstate" + isCableRetracted);
            YarnVariableStorage.Instance.SetValue(CableRetractedKey, isCableRetracted);
        }

        private void Update()
        {
            // 获取线缆方向并更新转盘旋转
            if (CableRef != null && CableReelRef != null)
            {
                CableReelRef.UpdateRotation();
            }
        }

        public void ResetPlug()
        {
            // 不在初始插孔里，就从当前插孔拔出来，插回初始插孔
            PlugRef.PullUpSocket();
            BodyModuleSystem.CloseModuleSlots(null);
            PlugRef.ReturnToStartPosition();
            AudioManager.Instance.PlaySfx("event:/ActionFB/mods_close");
            AudioManager.Instance.PlaySfx("event:/FollowInput/plugdrop");
        }

        /// <summary>
        /// 寻找最接近的Module
        /// </summary>
        /// <param name="sourcePos">源位置</param>
        /// <param name="targetModule">最近的Module</param>
        /// <returns>是否能找到目标范围内的Module</returns>
        public bool TryFindClosestModule(Vector3 sourcePos, out BodyModule targetModule)
        {
            return BodyModuleSystem.TryFindClosestModule(sourcePos, out targetModule);
        }

        #region 系统可用状态

        public void Disable_plugInput()
        {
            isActive = false;
        }

        public void Enable_plugInput()
        {
            isActive = true;
        }

        #endregion

        public void PullUpCable()
        {
            if (isCableRetracted || _pullUpSequence != null) return;
            //禁用plug交互
            Disable_plugInput();

            // 强制收线不能复用 ResetPlug：ReturnToStartPosition 会启动线缆的自动回收，
            // 紧接着再 DOMove 会让两个流程争抢插头位置，插在插孔上时尤其像直接平移消失。
            PlugRef.PullUpSocket();
            BodyModuleSystem.CloseModuleSlots(null);
            AudioManager.Instance.PlaySfx("event:/ActionFB/mods_close");
            AudioManager.Instance.PlaySfx("event:/FollowInput/plugdrop");

            PlugRef.GetComponent<SpriteRenderer>().sortingLayerName =
                CableReelRef.GetComponent<SpriteRenderer>().sortingLayerName;
            PlugRef.GetComponent<SpriteRenderer>().sortingOrder = 41;

            _pullUpSequence?.Kill();
            PlugRef.transform.DOKill(false);
            _pullUpSequence = DOTween.Sequence()
                // 先快速从插孔复位，消除“跨场景直线吸走”的观感。
                .Append(PlugRef.transform.DOMove(PlugRef.GetStartPos(), RetractResetDuration)
                    .SetEase(Ease.OutCubic))
                // 再由线盘向上收走。
                .Append(PlugRef.transform.DOMove(retractedPos.position, PullUpDuration)
                    .SetEase(Ease.InCubic))
                .Join(PlugRef.transform.DORotateQuaternion(retractedPos.rotation, PullUpDuration)
                    .SetEase(Ease.InCubic))
                .OnComplete(() =>
                {
                    _pullUpSequence = null;
                    PhysicCableRef.GetComponent<LineRenderer>().enabled = false;
                    isCableRetracted = true;
                    SaveCableState();
                });
        }

        public void DropDownCable()
        {
            if (!isCableRetracted && _pullUpSequence == null) return;
            _pullUpSequence?.Kill();
            _pullUpSequence = null;
            PlugRef.PullUpSocket();
            CableReelRef.ResetRotation();
            PlugRef.transform.DOMove(PlugRef.GetStartPos(), 0.1f).OnComplete(() =>
            {
                // PlugRef.SwitchToPhysicCableState();
                isCableRetracted = false;
                SaveCableState();
                // 添加一个短暂的延迟来确保状态正确设置
                DOVirtual.DelayedCall(0.1f, () => {
                    Enable_plugInput();
                });
            });
            // 只有在非收起状态时才切换到物理线缆状态         
        }

        public void SetRetractCable()
        {
            _pullUpSequence?.Kill();
            _pullUpSequence = null;

            // 禁用物理线缆和普通线缆
            PhysicCableRef.GetComponent<LineRenderer>().enabled = false;
            CableRef.HideCable();

            // 设置Plug位置和层级
            PlugRef.transform.position = retractedPos.position;
            PlugRef.transform.rotation = retractedPos.rotation;
            PlugRef.GetComponent<SpriteRenderer>().sortingLayerName =
                CableReelRef.GetComponent<SpriteRenderer>().sortingLayerName;
            PlugRef.GetComponent<SpriteRenderer>().sortingOrder = 41;
            isCableRetracted = true;
        }
    }
}