using System;
using UnityEngine;

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

        private bool _isTorsoLayerEnabled;
        private bool _isInit;

        #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 Torso = "Torso";

        #endregion

        public void SetModelAsset(FPlayer player)
        {
            _isInit = true;
            Player = player;
            Animator = player.ModelAsset.Animator;
        }

        private void LateUpdate()
        {
            if (!_isInit) return;
            UpdateAnimator();
        }


        private void UpdateAnimator()
        {
            Animator.SetBool(OnGround, Player.Data.IsGrounded);
            float value3 = Mathf.Lerp(Animator.GetFloat(Forward), Player.Data.Speed / 5f, Time.deltaTime * 20f);
            Animator.SetFloat(Forward, value3);

            // 平滑处理
            // float smoothedTurn = Mathf.SmoothDamp(Animator.GetFloat(Turn),
            //     MapUnit.RotationSpeed,
            //     ref turnSmoothVelocity,
            //     smoothingTime
            // );

            float smoothedTurn = Mathf.Lerp(Animator.GetFloat(Turn), Player.Data.RotationSpeed, Time.deltaTime * 10f);
            Animator.SetFloat(Turn, smoothedTurn);


            float layerWeight = Animator.GetLayerWeight(Animator.GetLayerIndex(Torso));
            SetLayerWeight(Torso,
                Mathf.MoveTowards(layerWeight, _isTorsoLayerEnabled ? 1f : 0f, Time.deltaTime * 3f));
        }

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