using ChivaXR;
using Sirenix.OdinInspector;
using System;
using System.Collections;
using System.Collections.Generic;
#if UNITY_EDITOR
using UnityEditor;
#endif
using UnityEngine;

public class ToolAni_BanShou : ToolAnimationBase
{
    #region 扳手交互参数

    [LabelText("相对移动位置")]
    public Vector3 localMovePos = new Vector3(0, 0, 0);
    [LabelText("相对旋转角度")]
    public float rotAngle = 0;
    [LabelText("扳手单轮角度")]
    public float maxAngle = 40;
    [LabelText("运行时长(不包含工具动画)")]
    public float duration = 1;
    [LabelText("螺丝抬起高度")]
    public float moveHigh = 0.02f;
    [LabelText("共享锚点")]
    public SimpleMoveItem m_SimpleMoveItem;
    [InfoBox("开启后，工具会随所有锚点的中心点进行朝向校准，关闭则使用默认朝向")]
    [LabelText("是否开启工具校准")]
    public bool m_UseCenterReset = true;

    //工具锚点旋转角度
    private float toolAnchorAngle = 0;
    private float timer = 0;
    private bool isLuoSiRot = true;
    private float toolHighLerp = 0;

    [HideInInspector]
    public Transform currentModel;
    [HideInInspector]
    public Transform currentModelAnchor;
    public Transform currentToolAnchor;
    #endregion

    public override void PlayUpdate(ToolAnimationItem toolAnimationItem, bool reverse)
    {
        if (currentToolAnchor != toolAnimationItem.toolAnchor)
        {
            PlayBanShouAnimationByFrame(currentModel, currentModelAnchor, currentToolAnchor, () =>
            {
                toolAnimationItem.isPlaying = false;
                if (currentToolAnchor != null)
                {
                    toolAnimationItem.Destroy(currentToolAnchor.gameObject);
                }
                currentModel.gameObject.SetActive(false);
            });
        }
        else
        {
            PlayBanShouAnimationByFrame(toolAnimationItem.model.transform, toolAnimationItem.modelAnchor, toolAnimationItem.toolAnchor,
            () =>
            {
                toolAnimationItem.isPlaying = false;
                currentToolAnchor.gameObject.SetActive(false);
                currentModel.gameObject.SetActive(false);
            });
        }
    }

    public void PlayBanShouAnimationByFrame(Transform tmpModel, Transform tmpModelAnchor, Transform tmpToolAnchor, Action finishedCallBack)
    {
        if (isLuoSiRot)
        {
            if (toolAnchorAngle < maxAngle)
            {
                timer += Time.deltaTime;
                toolAnchorAngle += Mathf.Abs(rotAngle) * Time.deltaTime / duration;

                tmpModel.position = Vector3.Lerp(tmpModelAnchor.position, tmpModelAnchor.position + tmpModelAnchor.TransformDirection(localMovePos), timer / duration);
                tmpModel.rotation = tmpModelAnchor.rotation;
                tmpModel.RotateAround(tmpModelAnchor.position, tmpModelAnchor.TransformDirection(localMovePos), rotAngle * timer / duration);

                tmpToolAnchor.position = tmpModel.position;
                tmpToolAnchor.rotation = tmpModelAnchor.rotation;
                tmpToolAnchor.RotateAround(tmpModelAnchor.position, tmpModelAnchor.TransformDirection(localMovePos), toolAnchorAngle * (rotAngle > 0 ? 1 : -1));
            }
            else
            {
                toolHighLerp += Time.deltaTime * 5;
                if (toolHighLerp > 1)
                {
                    toolHighLerp = 1;
                    isLuoSiRot = false;
                }
                tmpToolAnchor.position = Vector3.Lerp(tmpModel.position, tmpModel.position + tmpModelAnchor.TransformDirection(localMovePos).normalized * moveHigh, toolHighLerp);
            }
        }
        else //扳手回转
        {
            if (toolAnchorAngle > 0)
            {
                toolAnchorAngle -= Mathf.Abs(rotAngle) * Time.deltaTime / duration;
                tmpToolAnchor.rotation = tmpModelAnchor.transform.rotation;
                tmpToolAnchor.RotateAround(tmpModelAnchor.position, tmpModelAnchor.TransformDirection(localMovePos), toolAnchorAngle * (rotAngle > 0 ? 1 : -1));
            }
            else
            {
                toolHighLerp -= Time.deltaTime * 5;
                if (toolHighLerp < 0)
                {
                    toolHighLerp = 0;
                    isLuoSiRot = true;
                }
                tmpToolAnchor.transform.position = Vector3.Lerp(tmpModel.position, tmpModel.position + tmpModelAnchor.TransformDirection(localMovePos).normalized * moveHigh, toolHighLerp);
            }
        }

        if (timer > duration)
        {
            timer = 0;
            tmpModel.position = tmpModelAnchor.position;
            tmpModel.rotation = tmpModelAnchor.rotation;
            tmpToolAnchor.position = tmpModelAnchor.position;
            tmpToolAnchor.rotation = tmpModelAnchor.rotation;

            finishedCallBack?.Invoke();
        }
    }
    public override void FinishedState(ToolAnimationItem toolAnimationItem, bool reverse)
    {
        toolAnimationItem.toolAnchor.gameObject.SetActive(false);
        timer = 0;
        StopPlay(toolAnimationItem, reverse);
    }

    public override void InitState(ToolAnimationItem toolAnimationItem, bool reverse)
    {
        toolAnimationItem.model.SetActive(true);
        if (currentModel != null)
        {
            currentModel.gameObject.SetActive(true);
        }
        if (currentToolAnchor != null)
        {
            if (currentToolAnchor == toolAnimationItem.toolAnchor)
            {
                currentToolAnchor.gameObject.SetActive(false);
            }
            else
            {
                toolAnimationItem.Destroy(currentToolAnchor.gameObject);
            }
        }
    }

    public override void PlayTrigger(ToolAnimationItem toolAnimationItem, bool reverse)
    {
        timer = 0;
        isLuoSiRot = true;
        toolAnchorAngle = 0;

        if (Application.isPlaying)
        {
            if (AnimationManager.Instance.AnimationActiveObj != null)
            {
                InitTargetToolAnchor(AnimationManager.Instance.AnimationActiveObj.transform.position, toolAnimationItem);
            }
        }
        else
        {
#if UNITY_EDITOR
            if (Selection.activeGameObject != null)
            {
                InitTargetToolAnchor(Selection.activeGameObject.transform.position, toolAnimationItem);
            }
            else
            {
                InitTargetToolAnchor(toolAnimationItem.modelAnchor.position, toolAnimationItem);
            }
#endif
        }
    }
    public override void StopPlay(ToolAnimationItem toolAnimationItem, bool reverse)
    {
        timer = 0;
        if (currentModel != null)
        {
            currentModel.position = currentModelAnchor.position;
            currentModel.rotation = currentModelAnchor.rotation;
        }
        if (currentToolAnchor != null)
        {
            currentToolAnchor.position = currentModelAnchor.position;
            currentToolAnchor.rotation = currentModelAnchor.rotation;
        }

        if (currentToolAnchor != toolAnimationItem.toolAnchor)
        {
            toolAnimationItem.isPlaying = false;
            if (currentToolAnchor != null)
            {
                toolAnimationItem.Destroy(currentToolAnchor.gameObject);
            }
            if (Application.isPlaying && currentModel != null)
            {
                currentModel.gameObject.SetActive(false);
            }
        }
        else
        {
            toolAnimationItem.isPlaying = false;
            currentToolAnchor.gameObject.SetActive(false);
            if (Application.isPlaying && currentModel != null)
            {
                currentModel.gameObject.SetActive(false);
            }
        }
    }

    /// <summary>
    /// 根据当前CheckPos选择的物体最近的锚点执行动画
    /// </summary>
    /// <param name="toolAnimationItem"></param>
    public void InitTargetToolAnchor(Vector3 CheckPos, ToolAnimationItem toolAnimationItem)
    {
        currentModel = toolAnimationItem.model.transform;
        currentModelAnchor = toolAnimationItem.modelAnchor;
        Vector3 centerPoint = Vector3.zero;

        if (m_SimpleMoveItem != null)
        {
            foreach (var item in m_SimpleMoveItem.moveObjs)
            {
                centerPoint += item.Value.position;
                if (Vector3.Distance(item.Key.transform.position, currentModel.position) < 0.001f) continue;

                if (Vector3.Distance(CheckPos, currentModelAnchor.position) > Vector3.Distance(CheckPos, item.Value.position))
                {
                    currentModelAnchor = item.Value;
                    currentModel = item.Key.transform;
                }
            }
            centerPoint = centerPoint / m_SimpleMoveItem.moveObjs.Count;
        }

        if (currentModelAnchor != toolAnimationItem.modelAnchor)
        {
            currentToolAnchor = GameObject.Instantiate(toolAnimationItem.toolAnchor);
            currentToolAnchor.transform.parent = currentModelAnchor;
            currentToolAnchor.transform.localPosition = Vector3.zero;
            currentToolAnchor.transform.localRotation = Quaternion.identity;
            currentToolAnchor.transform.localScale = Vector3.one;

            if (m_UseCenterReset)
            {
                float angle = Vector3.Angle(toolAnimationItem.modelAnchor.position - centerPoint, currentModelAnchor.position - centerPoint);
                Vector3 oldDir = currentModelAnchor.InverseTransformDirection(toolAnimationItem.modelAnchor.position - centerPoint);
                Vector3 newDir = currentModelAnchor.InverseTransformDirection(currentModelAnchor.position - centerPoint);
                float a = Vector3.Dot(Vector3.Cross(oldDir, newDir), localMovePos);

                for (int i = 0; i < currentToolAnchor.childCount; i++)
                {
                    currentToolAnchor.GetChild(i).RotateAround(currentModelAnchor.position, currentModelAnchor.TransformDirection(localMovePos), angle * (a > 0 ? 1 : -1));
                }
            }
        }
        else
        {
            currentToolAnchor = toolAnimationItem.toolAnchor;
            toolAnimationItem.toolAnchor.gameObject.SetActive(true);
        }
        currentToolAnchor.gameObject.SetActive(true);
    }

#if UNITY_EDITOR
    public override void EditorPlayUpdate(ToolAnimationItem toolAnimationItem, bool reverse)
    {
        if (currentToolAnchor != toolAnimationItem.toolAnchor)
        {
            PlayBanShouAnimationByFrame(currentModel, currentModelAnchor, currentToolAnchor, () =>
            {
                toolAnimationItem.isPlaying = false;
                if (currentToolAnchor != null)
                {
                    toolAnimationItem.Destroy(currentToolAnchor.gameObject);
                }
            });
        }
        else
        {
            PlayBanShouAnimationByFrame(toolAnimationItem.model.transform, toolAnimationItem.modelAnchor, toolAnimationItem.toolAnchor,
            () => { toolAnimationItem.isPlaying = false; });
        }
    }

    public override void OnDrawGizmos(ToolAnimationItem toolAnimationItem)
    {
        Gizmos.color = Color.yellow;
        Gizmos.DrawLine(toolAnimationItem.modelAnchor.position, toolAnimationItem.modelAnchor.position + toolAnimationItem.modelAnchor.TransformDirection(localMovePos));
    }
#endif
}