using System;
using KINEMATION.MagicBlend.Runtime;
using NBC;
using UnityEngine;

namespace NBF
{
    public class PlayerAnimator : MonoBehaviour
    {
        public Animator _Animator;
        public FPlayer Player { get; private set; }

        private bool _isRodLayerEnabled;
        private bool _isInit;
        private PlayerIK _IK;
        private MagicBlending _magicBlending;
        private bool _IsInVehicle;

        #region 参数定义

        public static readonly int IsSwiming = Animator.StringToHash("Swim");

        public static readonly int ThrowFar = Animator.StringToHash("ThrowFar");

        public static readonly int BoatDriving = Animator.StringToHash("BoatDriving");

        public static readonly int BaitInWater = Animator.StringToHash("BaitInWater");

        public static readonly int HeldRod = Animator.StringToHash("HeldRod");

        public static readonly int RodArming = Animator.StringToHash("RodArming");

        public static readonly int Forward = Animator.StringToHash("Forward");

        public static readonly int Turn = Animator.StringToHash("Turn");

        public static readonly int OnGround = Animator.StringToHash("OnGround");

        public static readonly int RodRight = Animator.StringToHash("rod right");

        public static readonly int RodForward = Animator.StringToHash("rod forward");

        public static readonly int PreciseCast = Animator.StringToHash("Precise Cast");

        public static readonly int PreciseIdle = Animator.StringToHash("Precise Idle");


        public static readonly string LureRodLayer = "LureRod";
        public static readonly string HandRodLayer = "HandRod";

        #endregion


        private void Awake()
        {
            Player = GetComponentInParent<FPlayer>();
            _magicBlending = GetComponent<MagicBlending>();
            _Animator = GetComponent<Animator>();
            _Animator.keepAnimatorStateOnDisable = true;
            _IK = GetComponent<PlayerIK>();
            _isInit = true;
            Player.OnFishingSetEquiped += OnFishingSetEquiped_OnRaised;
            Player.OnFishingSetUnequip += OnFishingSetUnequip;
            Player.Data.OnStateChange += PlayerFSMState_OnValueChanged;
        }

        private void OnDestroy()
        {
            Player.OnFishingSetEquiped -= OnFishingSetEquiped_OnRaised;
            Player.OnFishingSetUnequip -= OnFishingSetUnequip;
            Player.Data.OnStateChange += PlayerFSMState_OnValueChanged;
        }


        private void OnFishingSetUnequip()
        {
            _isRodLayerEnabled = false;
            _IK.SetBipedLeftHandIK(enabled: false, null);
        }

        private void OnCastLure()
        {
            Player.Data.State = PlayerState.baitFlies;
            // SFXGameManagement.PlaySound("Cast Fishing Rod", base.transform);
        }

        private void OnBailUnnarm()
        {
            // if (IsThrowButtonPressed.Value)
            // {
            //     _Animator.SetBool(ThrowFar, value: true);
            //     Player.Data.State = PlayerState.casting;
            //     OnBailOpen?.Invoke();
            // }
        }

        private void OnFishingSetEquiped_OnRaised(FHandItem item)
        {
            if (item is FRod rod)
            {
                _isRodLayerEnabled = true;
                // var reel = Player.Rod.Reel;
                // _IK.SetBipedLeftHandIK(enabled: false, reel.FingersIKAnchor);
            }
            else
            {
            }
        }

        private void PlayAnimation(string state, string layer)
        {
            _Animator.CrossFade(state, 0.3f, _Animator.GetLayerIndex(layer));
        }

        public void PlayPreciseCastAnimation()
        {
            _Animator.SetBool(PreciseIdle, value: false);
            _Animator.SetTrigger(PreciseCast);
        }

        public void SetLayerWeight(string layer, float weight)
        {
            _Animator.SetLayerWeight(_Animator.GetLayerIndex(layer), weight);
        }

        private void PlayerFSMState_OnValueChanged(PlayerState state)
        {
            switch (Player.Data.PreviousState)
            {
                case PlayerState.vehicle:
                    _IsInVehicle = false;
                    _Animator.SetBool(BoatDriving, value: false);
                    break;
                case PlayerState.swiming:
                    _Animator.SetBool(IsSwiming, value: false);
                    break;
                case PlayerState.preciseCastIdle:
                    _Animator.SetBool(PreciseIdle, value: false);
                    break;
                case PlayerState.prepare:
                    _Animator.SetBool(RodArming, value: false);
                    break;
                case PlayerState.casting:
                    _Animator.SetBool(ThrowFar, value: false);
                    break;
                case PlayerState.collectFish:
                    _magicBlending.BlendAsset.globalWeight = 0f;
                    break;
            }

            switch (state)
            {
                case PlayerState.idle:
                case PlayerState.move:
                    _Animator.SetBool(BaitInWater, value: false);
                    _Animator.SetBool(HeldRod, value: false);
                    _Animator.SetBool(ThrowFar, value: false);
                    _Animator.SetBool(RodArming, value: false);
                    break;
                case PlayerState.prepare:
                    _Animator.SetBool(RodArming, value: true);
                    _Animator.SetBool(HeldRod, value: true);
                    break;
                case PlayerState.fishing:
                    _Animator.SetBool(HeldRod, value: true);
                    _Animator.SetBool(BaitInWater, value: true);
                    break;
                case PlayerState.vehicle:
                    _Animator.SetBool(BaitInWater, value: false);
                    _Animator.SetBool(HeldRod, value: false);
                    _Animator.SetBool(ThrowFar, value: false);
                    _Animator.SetBool(RodArming, value: false);
                    _Animator.SetBool(BoatDriving, value: true);
                    _IK.SetBipedLeftHandIK(enabled: true);
                    _IsInVehicle = true;
                    break;
                case PlayerState.vehicleFishing:
                    _Animator.SetBool(BaitInWater, value: false);
                    _Animator.SetBool(HeldRod, value: false);
                    _Animator.SetBool(ThrowFar, value: false);
                    _Animator.SetBool(RodArming, value: false);
                    _IsInVehicle = true;
                    break;
                case PlayerState.swiming:
                    _Animator.SetBool(IsSwiming, value: true);
                    break;
                case PlayerState.collectFish:
                    _Animator.SetBool(BaitInWater, value: false);
                    _IK.SetAimIK(enabled: false);
                    _magicBlending.BlendAsset.globalWeight = 1f;
                    break;
                case PlayerState.preciseCastIdle:
                    _Animator.SetBool(PreciseIdle, value: true);
                    break;
                case PlayerState.casting:
                case PlayerState.baitFlies:
                case PlayerState.fight:
                case PlayerState.fishView:
                case PlayerState.throwFish:
                case PlayerState.flyModeDebug:
                    break;
            }
        }

        private void LateUpdate()
        {
            if (Player.Data.State == PlayerState.swiming)
            {
                float value = Mathf.Lerp(_Animator.GetFloat(Forward), Player.Data.Speed / 2.5f,
                    Time.deltaTime * 5f);
                float value2 = Mathf.Lerp(_Animator.GetFloat(Turn), Player.Data.RotationSpeed, Time.deltaTime * 5f);
                _Animator.SetFloat(Forward, Mathf.Clamp01(value));
                _Animator.SetFloat(Turn, Mathf.Clamp(value2, -1f, 1f));
            }
            else
            {
                float value3 = Mathf.Lerp(_Animator.GetFloat(Forward), Player.Data.Speed / 5f,
                    Time.deltaTime * 20f);
                float value4 = Mathf.Lerp(_Animator.GetFloat(Turn), Player.Data.RotationSpeed, Time.deltaTime * 15f);
                _Animator.SetFloat(Forward, Mathf.Clamp01(value3));
                _Animator.SetFloat(Turn, Mathf.Clamp(value4, -1f, 1f));
            }

            var rod = Vector3.zero;
            if (Player.Rod)
            {
                rod = Player.Rod.transform.position;
            }

            _Animator.SetBool(OnGround, _IsInVehicle || Player.Data.IsGrounded);
            _Animator.SetFloat(RodRight, rod.x);
            _Animator.SetFloat(RodForward, rod.y);
            

            var isHandRodLayerEnabled = _isRodLayerEnabled && !Player.Data.IsLureRod ? 1 : 0;

            float handRodLayerWeight = _Animator.GetLayerWeight(_Animator.GetLayerIndex(HandRodLayer));
            SetLayerWeight(HandRodLayer,
                Mathf.MoveTowards(handRodLayerWeight, isHandRodLayerEnabled, Time.deltaTime * 3f));


            var isLureRodLayerEnabled = _isRodLayerEnabled && Player.Data.IsLureRod ? 1 : 0;
            float lureRodLayerWeight = _Animator.GetLayerWeight(_Animator.GetLayerIndex(LureRodLayer));
            SetLayerWeight(LureRodLayer,
                Mathf.MoveTowards(lureRodLayerWeight, isLureRodLayerEnabled, Time.deltaTime * 3f));
        }
    }
}