using UnityEngine;
using UnityEngine.EventSystems;
using DG.Tweening;
using UnityEngine.UI;
using Yarn.Unity;
using System.Collections.Generic;

public class Crowbar : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
{
    public float rotationSpeed = 10f; // 拖动旋转的速度
    public float rotationThreshold = 30f; // 触发撬动完成的旋转阈值

    public Transform crowbarVisual;
    //public Transform crowbarBox;
    public Transform crowbarInPosition;
    private Vector3 crowbarOutPosition;
    private CrowBarSocket crowbarSocket;

    public Transform box;
    public bool IsInDialogue { get; set; } = false;

    private Vector3 startPosition;
    private Quaternion startRotation= Quaternion.Euler(0f, 0f, -225f);
    private bool isInserted = false;
    private Vector3 lastMousePosition;
    private float progress = 0f;
    private Image image;
    private bool isPryingCompleted = false;
    private List<CrowBarSocket> crowbarSockets;
    public Canvas crowbarCanvas;

    private void Awake()
    {
        image = GetComponent<Image>();

    }

    private void Start()
    {
        crowbarOutPosition = transform.position;

    }
    private void Initialize()
{
    isPryingCompleted = false;
    progress = 0;
    isInserted = false;
    crowbarVisual.rotation = startRotation;
    crowbarSocket=null;
    crowbarCanvas.sortingLayerName = "Tool";
    crowbarCanvas.sortingOrder = 6;
    crowbarSockets = new List<CrowBarSocket>(FindObjectsOfType<CrowBarSocket>());
}

   [YarnCommand("CrowBarIn")]
    public void MoveIn()
    {
        DOTween.Kill(transform);
        DOTween.Kill(box);
        transform.position=crowbarOutPosition;
        box.position=crowbarOutPosition;
        transform.DOMove(crowbarInPosition.position, 1f);
        box.DOMove(crowbarInPosition.position, 1f);
        Initialize();
    }
   [YarnCommand("CrowBarOut")]
    public void MoveOut()
    {
        // transform.DOMove(crowbarOutPosition, 0.1f).OnComplete(() =>
        //         {
                    
        //         });
        box.DOMove(crowbarOutPosition, 1f);
        transform.position=crowbarOutPosition;
    }

    public void OnBeginDrag(PointerEventData eventData)
    {
        if (IsInDialogue || isInserted) return;

        image.raycastTarget = false;
        //crowbarSocket.InsertPlug();

        RectTransform canvasRectTransform = (RectTransform)transform.root;
        Vector3 worldPoint;
        if (RectTransformUtility.ScreenPointToWorldPointInRectangle(canvasRectTransform, eventData.position, eventData.pressEventCamera, out worldPoint))
        {
            transform.position = worldPoint;
        }
        lastMousePosition = Input.mousePosition;
    }

public void OnDrag(PointerEventData eventData)
{
    Debug.Log("Draging");
     if (IsInDialogue || isPryingCompleted) return;

    if (isInserted)
    {
        Debug.Log("insert");
        float deltaY = lastMousePosition.y - Input.mousePosition.y;
        lastMousePosition = Input.mousePosition;  // 更新 lastMousePosition
        //Debug.Log("Progress :"+progress);

        progress += deltaY*0.3f * Time.deltaTime;
        progress = Mathf.Clamp01(progress);  // 确保 progress 不会小于0

        // 计算插入旋转和插入旋转-45度之间的插值
        float startAngle = crowbarSocket.visual.transform.eulerAngles.z;
        float endAngle = startAngle + 40f;
        float currentAngle = Mathf.Lerp(startAngle, endAngle, progress);
         //Debug.Log("currentAngle :"+currentAngle);


        // 更新撬棍的旋转角度
        crowbarVisual.rotation = Quaternion.Euler(0f, 0f, currentAngle);

        if (progress >= 1f)
        {
            crowbarSocket.Completed();
            crowbarSocket.EnableSocket();
            // 触发撬动完成的逻辑
            Debug.Log("Crowbar action completed.");
            isPryingCompleted = true;

            // 定义目标位置
            Vector3 targetPosition = transform.position + new Vector3(-1, 1, 0) * 6f;  // 你可能需要根据你的场景来调整这个偏移量

            // 使用 DOTween 来移动 crowbar
            transform.DOMove(targetPosition, 1f);

            transform.DORotate(new Vector3(0, 0, 360), 0.4f, RotateMode.FastBeyond360)
            .SetLoops(10, LoopType.Incremental)  // 设置为无限循环
            .SetEase(Ease.Linear).OnComplete(() =>
            {
                ResetCrowbar();
            }); 

        }
    }
    else
    {
        RectTransform canvasRectTransform = (RectTransform)transform.root;
        Vector3 worldPoint;
        if (RectTransformUtility.ScreenPointToWorldPointInRectangle(canvasRectTransform, eventData.position, eventData.pressEventCamera, out worldPoint))
        {
            transform.position = worldPoint;
        }
        CrowBarSocket socket= FindNearestSocket();
        if(socket!=null)
        {
            socket.InsertPlug();
        }
        
    }

    lastMousePosition = Input.mousePosition;
}
public void OnEndDrag(PointerEventData eventData)
{
    if (IsInDialogue) return;

    if (isInserted)
    {
        ResetCrowbarProgress();
    }
    else
    {
        CrowBarSocket nearestSocket = null;
        float minDistance = float.MaxValue;
        
        foreach (var socket in crowbarSockets)
        {
            if(!socket.gameObject.activeInHierarchy)
            {
                continue;
            }
            float distance = Vector3.Distance(transform.position, socket.transform.position);
            if (distance <= minDistance && socket.IsAvailable)
            {
                minDistance = distance;
                nearestSocket = socket;
            }
        }

        if (nearestSocket != null)
        {
            float snappingRange = 1f; // You might need to adjust this for WorldSpace Canvas
            if (minDistance <= snappingRange)
            {
                transform.position = nearestSocket.transform.position;
                crowbarVisual.rotation = nearestSocket.visual.transform.rotation;
                isInserted = true;
                nearestSocket.RemovePlug();
                nearestSocket.DisableSocket();
                crowbarSocket=nearestSocket;
                crowbarCanvas.sortingLayerName = "UnderModule";
                crowbarCanvas.sortingOrder = 6;
                Debug.Log("crowbarsocket name"+crowbarSocket.name);
            }
            else
            {
                transform.DOMove(crowbarInPosition.position, 0.1f).OnComplete(() =>
                {
                    nearestSocket.RemovePlug();
                });
            }
        }
         else
            {
                transform.DOMove(crowbarInPosition.position, 0.1f).OnComplete(() =>
                {
                    crowbarCanvas.sortingLayerName = "Tool";
                    crowbarCanvas.sortingOrder = 6;
                });
            }
    }
}
public CrowBarSocket FindNearestSocket()
{
    CrowBarSocket nearestSocket = null;
        float minDistance = float.MaxValue;
        
        foreach (var socket in crowbarSockets)
        {
            if(!socket.gameObject.activeInHierarchy)
            {
                continue;
            }
            float distance = Vector3.Distance(transform.position, socket.transform.position);
            if (distance <= minDistance && socket.IsAvailable)
            {
                minDistance = distance;
                nearestSocket = socket;
            }
        }
         if (nearestSocket != null)
        {
            return nearestSocket;
        }
        else
        {
            return null;
        }
        
}


    private void ResetCrowbarProgress()
    {
        //isInserted = false;
        progress = 0f;
        crowbarVisual.rotation = Quaternion.Euler(0f, 0f, 180f);

        //MoveOut();
    }
    private void ResetCrowbar()
    {
        isInserted=false;
        progress = 0f;
        crowbarVisual.rotation = startRotation;
        //isPryingCompleted = false;
        transform.position=crowbarOutPosition;
    }
}