using AX.MessageSystem;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

[RequireComponent(typeof(Toggle))]
public class SecondNodeItem : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler, IBeginDragHandler, IDragHandler, IEndDragHandler
{
    public SecondNodeObject obj;  
    private Toggle toggle;   
    public Text uiName;
    public static bool replay;//是否播放第一个节点，在自动播放中使用
    private SecondNodeManager secondNodeManager;
    private bool control = false;
    private float time;
    private DragNode dragNode;
    private void Awake()
    {
        toggle = GetComponent<Toggle>();
        toggle.onValueChanged.AddListener(ValueChanged);      
    }
    // Use this for initialization
    void Start()
    {
        MessageDispatcher.AddListener("ReplaySecondNode", SelectNode);
        secondNodeManager = TransformHelper.FindParentByName(transform, "SecondNodePanel").GetComponent<SecondNodeManager>();
        dragNode = GameObject.Find("Canvas/TopUI/WorkflowUI/DragNode").GetComponent<DragNode>();
    }
    private void OnDestroy()
    {
        MessageDispatcher.RemoveListener("ReplaySecondNode", SelectNode);
    }
    /// <summary>
    /// 播放指定二级节点
    /// </summary>
    /// <param name="data"></param>
    private void SelectNode(IMessage data)
    {
        var nodeID = (int)data.Data;
        if (obj.nodeID== nodeID)
        {
            toggle.isOn = true;
            MessageDispatcher.SendMessage("Replay");
        }
    }

    // Update is called once per frame
    void Update()
    {
        if (control)
        {
            time -= Time.deltaTime;
            if (time < 0)
            {
                secondNodeManager.ShowTagList(gameObject);
                control = false;             
            }
        }
    }
    private void ValueChanged(bool isOn)
    {
        if (isOn)
        {
            SecondNodeManager.selectNode = obj;
        }          
    }
    /// <summary>
    /// 设置节点属性
    /// </summary>
    /// <param name="nodeOjbect"></param> 
    public void SetItem(SecondNodeObject nodeOjbect)
    {
        obj = nodeOjbect;
        SetUI();
        if (replay)
        {//自动播放第一个节点
            replay = false;
            toggle.isOn = true;
            MessageDispatcher.SendMessage("Replay");
        }
    }
  
    public void SetUI()
    {
        uiName.text = obj.nodeName;
    }
    public void OnPointerEnter(PointerEventData eventData)
    {
        time = 1;
        control = true;
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        control = false;
        secondNodeManager.HideTagList();
    }

    public void OnBeginDrag(PointerEventData eventData)
    {
        // if (QuestionManager.GetInstance().editorRight)
        if (DisasterManager.editorRight)
        {
            dragNode.gameObject.SetActive(true);
            dragNode.SetUI(obj.nodeName);
            dragNode.BeginDrag(eventData);
            dragNode.SetinfoWhileBeginDrag(obj);
        }
    }

    public void OnDrag(PointerEventData eventData)
    {
        //if (QuestionManager.GetInstance().editorRight)
        if (DisasterManager.editorRight)
        {
            dragNode.Drag(eventData);
        }
    }

    public void OnEndDrag(PointerEventData eventData)
    {
        // if (QuestionManager.GetInstance().editorRight)
        if(DisasterManager.editorRight )
        {
            //判断鼠标在UI上
            var depth = eventData.pointerCurrentRaycast.depth;
            if (depth != 0)
            {
                //判断鼠标在节点上
                var pointerObj = eventData.pointerCurrentRaycast.gameObject;
                var secondNodeItem = pointerObj.GetComponentInParent<SecondNodeItem>();
                if (secondNodeItem)
                {
                    if (secondNodeItem.obj.nodeName!=obj.nodeName) 
                    {
                        obj = (SecondNodeObject)secondNodeItem.obj.DeepCopy();
                        SetUI();
                        secondNodeItem.obj = dragNode.SecondNodeObjectObj;
                        secondNodeItem.SetUI();
                    }
                    //if (secondNodeItem.obj.order != obj.order)
                    //{
                    //    var index = secondNodeItem.transform.GetSiblingIndex();
                    //    transform.SetSiblingIndex(index);
                    //    foreach (Transform item in transform.parent)
                    //    {
                    //        item.GetComponent<SecondNodeItem>().obj.order = item.GetSiblingIndex();
                    //    }
                    //   // QuestionManager.GetInstance().nodeList.secondNodeList.Sort((x, y) => x.order.CompareTo(y.order));//升序
                    //   // QuestionManager.GetInstance().UpdateNodeListJson();//更新本地nodeList文件存储
                    //}
                }
            }
            GetComponentInParent<SecondNodeManager>().UpdateSecondNodeSort(transform.parent);
            dragNode.gameObject.SetActive(false);
        }
    }
}