using UnityEngine.EventSystems;
using UnityEngine;
using System;
using UnityEngine.UI;

public enum SheBeiType
{
    设备,
    注入器,
    开机棒,
    受启棒,
}

public class DragItemH : MonoBehaviour, IPointerDownHandler, IDragHandler, IPointerUpHandler
{
    public SheBeiType SheBeiType;
 
    private Vector2 resetPos;
    private CheckDarg[] checkDargs;
    public int type;
    public string id;
    public string SheBeiHao;
    public string Name;
    public string jsonData;

    public Text NameText;

    [HideInInspector]
    [Header("插孔位置")]
    public Vector3 ChaKongPos;
    [Header("插入设备模型路径")]
    public string ChaRuItemPath;


    private GameObject ChaRuItem;

    [SerializeField]
    private Transform ResetAear;
    [SerializeField]
    private Transform DargAear;

    private bool CanDarg = true;



    public  void Init()
    {
        ResetAear = this.transform.parent;
        DargAear = GameObject.FindGameObjectWithTag("DargAear").transform;
        //resetPos = this.transform.GetComponent<RectTransform>().position;

        ChaRuItem = GameObject.Instantiate(Resources.Load<GameObject>(ChaRuItemPath));
        ChaRuItem.SetActive(false);
        NameText = transform.GetChild(0).GetComponent<Text>();
        NameText.text = Name;
        ////获取设备信息
        //GameManager.Instance.GetItemType(this, false);
    }

   
    public void OnDrag(PointerEventData eventData)
    {
        if (!CanDarg) return;
        this.transform.SetParent(DargAear);
        this.transform.GetComponent<RectTransform>().position = Input.mousePosition;


    }

    internal void ResetPos()
    {
        this.transform.SetParent(ResetAear);
        CanDarg = true;
        this.gameObject.SetActive(true);
        this.Hide3DItem();
        this.GetComponent<RectTransform>().localPosition= resetPos;
       // this.transform.position = Vector3.zero;
        this.ChaKongPos = Vector3.zero;

        //GameManager.Instance.PostMessage(this.type, this.ID);
    }

    public void OnPointerDown(PointerEventData eventData)
    {
        resetPos = this.transform.localPosition;
    }

    public void OnPointerUp(PointerEventData eventData)
    {
        if (!CanDarg) return;
        //写放入检测框方法
        checkDargs = GameObject.FindObjectsOfType<CheckDarg>();
        for (int i = 0; i < checkDargs.Length; i++)
        {
            if (Vector2.Distance(this.transform.position, checkDargs[i].transform.position)<30f)
            {
                if (checkDargs[i].isEmpty == false||this.SheBeiType!= checkDargs[i].ChaKongType) 
                {
                    break;
                } 
                this.transform.position = checkDargs[i].transform.position;
                this.ChaKongPos = checkDargs[i].ChaKongPos;
                checkDargs[i].dragItem = this;
                checkDargs[i].isEmpty = false;

                this.CanDarg = false;
                this.gameObject.SetActive(false);
                //显示插入设备3D可视化
                this.Show3DItem();
                GameManager.Instance.GetItemType(this);
                //GameManager.Instance.SendItemData();
                return;
            }
            
        }
        this.transform.SetParent(ResetAear);
        this.transform.GetComponent<RectTransform>().localPosition = resetPos;
        
    }


    public void Show3DItem()
    {
        if (ChaRuItem != null)
        {
            ChaRuItem.SetActive(true);
            ChaRuItem.transform.position = ChaKongPos;
        }
    }

    public void Hide3DItem()
    {
        if (ChaRuItem != null)
        {
            ChaRuItem.SetActive(false);
            ChaRuItem.transform.position = Vector3.zero;
        }
    }
}