using asap.core;
using cfg;
using RootMotion.FinalIK;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public enum EHandState
{
    None,
    Idle,
    Hold,
    Fishing,
    Catch,
    Release,
    End
}

public class HandController : MonoBehaviour
{
    //    private Animator anim_hand;
    //[HideInInspector]
    //public Animator anim_rightElbowDirection;

    HandPoser poser_l;
    HandPoser poser_r;

    private FullBodyBipedIK _bodyIK;

    private Transform
        _leftElbowDireciton,
        _rightElbowDireciton,
        _rightHandTargets,
        _leftHandTargets,
        Shoulder;

    private bool _isRightHandFollowTarget;
    private bool _isLeftHandFollowTarget;
    bool _canShowHand = true; // 默认显示手部

    public EHandState EHandState { get; private set; }
    #region State Method
    bool isInit;
    public void ChangeHandState(EHandState state)
    {
    }

    public void OnStateEnter(EHandState state)
    {

    }
    public void OnStateExit()
    {

    }
    public void SetActive(bool value)
    {
        if (_canShowHand)
        {
            gameObject.SetActive(value);
        }
        else
        {
            gameObject.SetActive(false);
        }
    }
    #endregion

    #region Component Method
    void Awake()
    {
        Init();
    }
    private void Init()
    {
        if (isInit)
        {
            return;
        }
        isInit = true;
        Shoulder = transform.Find("HandComponent/Shoulder");
        //        anim_hand = transform.Find("Hand").GetComponent<Animator>();
        _rightElbowDireciton = transform.Find("HandComponent/Elbow/RightElbowDirection");
        _leftElbowDireciton = transform.Find("HandComponent/Elbow/LeftElbowDirection");
        //anim_rightElbowDirection = transform.Find("RightElbowDirection").GetComponent<Animator>();
        _bodyIK = GetComponentInChildren<FullBodyBipedIK>();
        var posers = GetComponentsInChildren<HandPoser>();
        if (posers.Length == 2)
        {
            poser_l = posers[0];
            poser_r = posers[1];
        }
        else
        {
            Debug.LogWarning("HandPoser not found: " + posers.Length);
        }
        _bodyIK.solver.rightArmChain.bendConstraint.bendGoal = _rightElbowDireciton;
        _bodyIK.solver.leftArmChain.bendConstraint.bendGoal = _leftElbowDireciton;
    }
    private void OnEnable()
    {
        SetShoulderRota(Vector3.zero);
    }
    public void SetHandTargets(Transform rightHand, Transform LeftHand, Transform body)
    {
        Init();
        _leftHandTargets = LeftHand;
        _rightHandTargets = rightHand;

        _bodyIK.solver.leftHandEffector.target = _leftHandTargets;
        _bodyIK.solver.rightHandEffector.target = _rightHandTargets;

        //_bodyIK.solver.bodyEffector.target = body;
        if (poser_l != null)
        {
            poser_l.poseRoot = _leftHandTargets;
        }
        if (poser_r != null)
        {
            poser_r.poseRoot = _rightHandTargets;
        }

        SetAllHandIkTarget(1f);

    }

    private void SetAllHandIkTarget(float weight)
    {
        SetHandIKWeight(_bodyIK.solver.leftHandEffector, weight);
        SetHandIKWeight(_bodyIK.solver.rightHandEffector, weight);
    }

    private void SetHandIKWeight(IKEffector effector, float weight)
    {
        effector.positionWeight = weight;
        effector.rotationWeight = weight;
    }
    public void SetShoulderRota(Vector3 vector)
    {
        Quaternion quaternion = Quaternion.Euler(vector);
        Shoulder.localRotation = quaternion;
    }
    #endregion

}