using AX.MessageSystem;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Xml;
using UnityEngine;
using UnityEngine.UI;

public class SecondNodeManager : MonoBehaviour
{
    public Button addButton;
    public Button deleteButton;
    public Button editorButton;
    public Button saveButton;
    public Button addTagButton;
    public Toggle recordStop;
    public Transform itemParent;
    public GameObject nodeWindow;
    public GameObject tagWindow;
    public ReplayManager replayManager;
    private GameObject itemPrefab;
    private List<SecondNodeObject> list;
    public static SecondNodeObject selectNode;
    public GameObject tagListPanel;
    private void Awake()
    {
        MessageDispatcher.AddListener("FirstNodeSelected", DrawItem);
        MessageDispatcher.AddListener("DataInitializationComplete", SetItemUI);
    }



    // Use this for initialization
    void Start()
    {
        addButton.onClick.AddListener(AddNodeWindow);
        deleteButton.onClick.AddListener(DeleteNodeWindow);
        editorButton.onClick.AddListener(EditorNodeWindow);
        saveButton.onClick.AddListener(SaveNodeWindow);
        addTagButton.onClick.AddListener(AddTagWindow);
        recordStop.onValueChanged.AddListener(ChangeRecordStatus);
        //list = DisasterManager.secondNodeObjects;
        itemPrefab = Resources.Load("UI/SecondNodeItem") as GameObject;
        MessageDispatcher.AddListener("DeleteFirstNode", DestoryItem);
        MessageDispatcher.AddListener("PlayStatusChanged", SetUIByPlayStatus);
        SetUI();
    }


    // Update is called once per frame
    void Update()
    {

    }
    private void OnDestroy()
    {
        MessageDispatcher.RemoveListener("FirstNodeSelected", DrawItem);
        MessageDispatcher.RemoveListener("DeleteFirstNode", DestoryItem);
        MessageDispatcher.RemoveListener("PlayStatusChanged", SetUIByPlayStatus);
        MessageDispatcher.RemoveListener("DataInitializationComplete", SetItemUI);
    }
    private void SetItemUI(IMessage obj)
    {
        selectNode = null;
        foreach (Transform item in itemParent)
        {
            Destroy(item.gameObject);
        }
    }
    /// <summary>
    /// 一级节点更改后绘制二级节点
    /// </summary>
    /// <param name="data"></param>
    private void DrawItem(IMessage data)
    {
        selectNode = null;
        foreach (Transform item in itemParent)
        {
            Destroy(item.gameObject);
        }
        var firstNode = FirstNodeManager.selectNode;
        if (itemPrefab == null)
        {
            itemPrefab = Resources.Load("UI/SecondNodeItem") as GameObject;
        }
        list = DisasterManager.secondNodeObjects;
        foreach (var obj in list)
        {
            if (obj.ParentID == firstNode.nodeID)
            {
                AddNodeItem(obj);
            }
        }
    }
    /// <summary>
    /// 一级节点删除后删除二级节点
    /// </summary>
    /// <param name="data"></param>
    private void DestoryItem(IMessage data)
    {
        selectNode = null;
        foreach (Transform item in itemParent)
        {
            var obj = item.GetComponent<SecondNodeItem>().obj;
            DeleteXml(obj);//xml文件中删除
            list.Remove(obj);
            Destroy(item.gameObject);
        }
    }
    /// <summary>
    /// 添加节点
    /// </summary>
    private void AddNodeWindow()
    {
        if (FirstNodeManager.selectNode == null)
        {
            ResourceLoadWindow.Instance.LoadTextHintWindow("请先选择一级节点", 0.5f);
            return;
        }
        ReplaySetting.PlayStatus = PlayStatus.isEditor;//编辑状态        
        RecordManager.Instance.RecordTimer = 0;
        RecordManager.Instance.jsonData = new JsonData();
        recordStop.isOn = false;
    }
    /// <summary>
    /// 保存节点
    /// </summary>
    private void SaveNodeWindow()
    {
        recordStop.isOn = true;//暂停记录
        nodeWindow.SetActive(true);
        var node = new SecondNodeObject();
        node.nodeID = -1;
        node.ParentID = FirstNodeManager.selectNode.nodeID;
        nodeWindow.GetComponent<SecondNodeWindow>().SetWindow(node);
    }
    /// <summary>
    /// 继续记录
    /// </summary>
    public void ContinueRecord()
    {
        recordStop.isOn = false;
    }
    /// <summary>
    /// 放弃本次记录
    /// </summary>
    public void DeleteRecord()
    {
        ReplaySetting.PlayStatus = PlayStatus.normal;

    }
    /// <summary>
    /// 添加标签
    /// </summary>
    private void AddTagWindow()
    {
        if (ReplaySetting.PlayStatus == PlayStatus.isEditor)
        {
            //在编辑状态下
            recordStop.isOn = true;//暂停记录
        }
        else if (ReplaySetting.PlayStatus == PlayStatus.isReplay)
        {
            //在回放状态下
            replayManager.playOrPause.isOn = false;//暂停回放
        }
        tagWindow.SetActive(true);
        var tag = new TagData();
        tagWindow.GetComponent<TagEditorWindow>().SetWindow(tag);
    }
    /// <summary>
    /// 暂停，继续纪录改变状态
    /// </summary>
    /// <param name="isOn"></param>
    private void ChangeRecordStatus(bool isOn)
    {
        if (isOn)
        {
            RecordManager.Instance.recordStatus = RecordStatus.pause;
            addTagButton.gameObject.SetActive(false);//暂停时，禁止添加标签
            MessageDispatcher.SendMessage("RecordStatusPause");
        }
        else
        {
            RecordManager.Instance.RecordFrame();//记录开始或继续时记录状态数据
            RecordManager.Instance.recordStatus = RecordStatus.normal;
            addTagButton.gameObject.SetActive(true);
        }
    }
    private void DeleteNodeWindow()
    {
        if (selectNode == null)
        {
            return;
        }
        ResourceLoadWindow.Instance.LoadTipWindow("确定删除该二级节点？", DeleteNode, null);
    }
    private void EditorNodeWindow()
    {
        if (selectNode == null)
        {
            return;
        }
        nodeWindow.SetActive(true);
        nodeWindow.GetComponent<SecondNodeWindow>().SetWindow(selectNode);
    }
    /// <summary>
    /// 新增二级节点
    /// </summary>
    /// <param name="name"></param>
    public void AddNode(SecondNodeObject node)
    {
        if (node.nodeName == "")
        {
            ResourceLoadWindow.Instance.LoadTextHintWindow("节点名不能为空", 0.5f);
            return;
        }
        //查看有没有相同名称   
        if (CheckSameName(node.nodeName, node.nodeID))
        {
            ResourceLoadWindow.Instance.LoadTextHintWindow("已有相同名称", 0.5f);
            return;
        }
        node.nodeID = GetNextID();
        list.Add(node);
        AddNodeItem(node);//UI中添加
        AddXml(node);//xml文件中添加
        RecordManager.Instance.RecordFrame();//添加节点最后帧数据
        RecordManager.Instance.jsonData.sumTime = RecordManager.Instance.RecordTimer;//总时间
        RecordManager.Instance.SaveRecord(node.nodeName);
        nodeWindow.SetActive(false);
        ReplaySetting.PlayStatus = PlayStatus.normal;
    }
    /// <summary>
    /// 修改二级节点xml顺序
    /// </summary>
    public void UpdateSecondNodeSort(Transform NodeParent)
    {
        SecondNodeItem[] thisNodes = NodeParent.GetComponentsInChildren<SecondNodeItem>();
        if (thisNodes.Length<1) 
        {
            return;
        }
        for (int i = 0; i < thisNodes.Length; i++)
        {
            UpdataNodeXml(thisNodes[i].obj);
            
        }
        for (int i = 0; i < thisNodes.Length; i++)
        {
            for (int j = 0; j < list.Count; j++)
            {
                if (list[j].nodeID == thisNodes[i].obj.nodeID)
                {
                    list.Remove(list[j]);
                }
            }
        }
       
        for (int i = 0; i < thisNodes.Length; i++)
        {
            AddXml(thisNodes[i].obj);
            DisasterManager.secondNodeObjects.Add(thisNodes[i].obj);
        }
       
    }
    private void AddNodeItem(SecondNodeObject obj)
    {
        GameObject item = Instantiate(itemPrefab, itemParent) as GameObject;
        item.GetComponent<Toggle>().group = itemParent.GetComponent<ToggleGroup>();
        item.GetComponent<SecondNodeItem>().SetItem(obj);
    }
    private void AddXml(SecondNodeObject obj)
    {
        string filepath = DisasterManager.GetNodeListXML();
        if (File.Exists(filepath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filepath);
            XmlNode nodes = xmlDoc.SelectSingleNode("NodeList/SecondNode/Nodes");
            XmlElement node = xmlDoc.CreateElement("Node");
            node.SetAttribute("ID", obj.nodeID.ToString());
            node.SetAttribute("ParentID", obj.ParentID.ToString());
            node.SetAttribute("Name", obj.nodeName);
            node.SetAttribute("Detail", obj.nodeDetail);
            nodes.AppendChild(node);
            xmlDoc.Save(filepath);
        }
    }
    /// <summary>
    /// 删除二级节点
    /// </summary>
    private void DeleteNode()
    {
        foreach (Transform item in itemParent)
        {
            var msg = item.GetComponent<SecondNodeItem>();
            if (msg.obj == selectNode)
            {
                Destroy(item.gameObject);
                break;
            }
        }
        DeleteXml(selectNode);//xml文件中删除
        list.Remove(selectNode);
    }
    /// <summary>
    /// 修改二级节点xml文件
    /// </summary>
    private void UpdataNodeXml(SecondNodeObject obj) 
    {
        string filepath = DisasterManager.GetNodeListXML();
        if (File.Exists(filepath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filepath);
            XmlNode nodes = xmlDoc.SelectSingleNode("NodeList/SecondNode/Nodes");
            XmlNodeList nodeList = nodes.ChildNodes;
            for (int i = 0; i < nodeList.Count; i++)
            {
                var node = nodeList[i] as XmlElement;
                if (node.GetAttribute("ID") == obj.nodeID.ToString())
                {
                    nodes.RemoveChild(node);
                    break;
                }
            }
            xmlDoc.Save(filepath);
        }
    }
    private void DeleteXml(SecondNodeObject obj)
    {
        //修改节点文件
        string filepath = DisasterManager.GetNodeListXML();
        if (File.Exists(filepath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filepath);
            XmlNode nodes = xmlDoc.SelectSingleNode("NodeList/SecondNode/Nodes");
            XmlNodeList nodeList = nodes.ChildNodes;
            for (int i = 0; i < nodeList.Count; i++)
            {
                var node = nodeList[i] as XmlElement;
                if (node.GetAttribute("ID") == obj.nodeID.ToString())
                {
                    nodes.RemoveChild(node);
                    break;
                }
            }
            xmlDoc.Save(filepath);
        }
        //删除数据文件
        string dataFilePath = Application.dataPath + @"/Data/" + DisasterManager.disaster.Id + "/File/XmlData/" + obj.nodeName + ".xml";
        if (File.Exists(dataFilePath))
        {
            File.Delete(dataFilePath);
        }
    }
    /// <summary>
    /// 编辑二级节点
    /// </summary>
    /// <param name="name"></param>
    public void EditorNode(SecondNodeObject node)
    {
        if (node.nodeName == "")
        {
            ResourceLoadWindow.Instance.LoadTextHintWindow("节点名不能为空", 0.5f);
            return;
        }
        //查看有没有相同名称   
        if (CheckSameName(node.nodeName, node.nodeID))
        {
            ResourceLoadWindow.Instance.LoadTextHintWindow("已有相同名称", 0.5f);
            return;
        }
        EditorNodeItem(node);//UI中修改
        EditorXML(node);//xml文件中修改
        nodeWindow.SetActive(false);
    }
    private void EditorNodeItem(SecondNodeObject obj)
    {
        foreach (Transform item in itemParent)
        {
            var msg = item.GetComponent<SecondNodeItem>();
            if (msg.obj.nodeID == obj.nodeID)
            {
                msg.SetUI();
                break;
            }
        }
    }
    private void EditorXML(SecondNodeObject obj)
    {
        string filepath = DisasterManager.GetNodeListXML();
        if (File.Exists(filepath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filepath);
            XmlNode nodes = xmlDoc.SelectSingleNode("NodeList/SecondNode/Nodes");
            XmlNodeList nodeList = nodes.ChildNodes;
            for (int i = 0; i < nodeList.Count; i++)
            {
                var node = nodeList[i] as XmlElement;
                if (node.GetAttribute("ID") == obj.nodeID.ToString())
                {
                    node.SetAttribute("Name", obj.nodeName.ToString());
                    node.SetAttribute("Detail", obj.nodeDetail.ToString());
                    break;
                }
            }
            xmlDoc.Save(filepath);
        }
        //修改数据文件名称
        var oldNodeName = nodeWindow.GetComponent<SecondNodeWindow>().oldNodeName;
        if (oldNodeName != obj.nodeName)
        {
            string oldPath = Application.dataPath + @"/Data/" + DisasterManager.disaster.Id + "/File/XmlData/" + oldNodeName + ".xml";
            string dataFilePath = Application.dataPath + @"/Data/" + DisasterManager.disaster.Id + "/File/XmlData/" + obj.nodeName + ".xml";
            if (File.Exists(oldPath))
            {
                File.Move(oldPath,dataFilePath);
            }
        }

    }
    public void ShowTagList(GameObject node)
    {
        var nodeObject = node.GetComponent<SecondNodeItem>().obj;
        string nodeName = nodeObject.nodeName;
        //这里有问题，由于标签存储在每个节点的数据文件里，所以每次获取标签需要解读文件，这是数据存储设计导致的问题
        string filePath = Application.dataPath + @"/Data/" + DisasterManager.disaster.Id + "/File/XmlData/" + nodeName + ".xml";
        if (File.Exists(filePath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filePath);
            XmlNode firstNodes = xmlDoc.SelectSingleNode("Record");
            var jsonData = JsonUtility.FromJson<JsonData>(firstNodes.InnerText);
            tagListPanel.SetActive(true);
            tagListPanel.transform.position = node.transform.position + new Vector3(0, -0.2f, 0);
            tagListPanel.GetComponent<TagListPanel>().Draw(jsonData.tagDataList);
        }
    }
    public void HideTagList()
    {
        tagListPanel.SetActive(false);
    }
    private void SetUI()
    {
        if (DisasterManager.editorRight)
        {
            addButton.gameObject.SetActive(true);
            deleteButton.gameObject.SetActive(true);
            editorButton.gameObject.SetActive(true);
            saveButton.gameObject.SetActive(false);
            addTagButton.gameObject.SetActive(false);
            recordStop.gameObject.SetActive(false);
        }
        else
        {
            addButton.gameObject.SetActive(false);
            deleteButton.gameObject.SetActive(false);
            editorButton.gameObject.SetActive(false);
            saveButton.gameObject.SetActive(false);
            addTagButton.gameObject.SetActive(false);
            recordStop.gameObject.SetActive(false);
        }
    }
    /// <summary>
    /// 根据游戏状态显示UI
    /// </summary>
    /// <param name="data"></param>
    private void SetUIByPlayStatus(IMessage data)
    {
        if (DisasterManager.editorRight)
        {
            var playStatus = ReplaySetting.PlayStatus;
            if (playStatus == PlayStatus.normal)
            {
                addButton.gameObject.SetActive(true);
                deleteButton.gameObject.SetActive(true);
                editorButton.gameObject.SetActive(true);
                saveButton.gameObject.SetActive(false);
                addTagButton.gameObject.SetActive(false);
                recordStop.gameObject.SetActive(false);
            }
            else if (playStatus == PlayStatus.isEditor)
            {
                addButton.gameObject.SetActive(false);
                deleteButton.gameObject.SetActive(false);
                editorButton.gameObject.SetActive(false);
                saveButton.gameObject.SetActive(true);
                addTagButton.gameObject.SetActive(true);
                recordStop.gameObject.SetActive(true);
            }
            else if (playStatus == PlayStatus.isReplay)
            {
                addButton.gameObject.SetActive(false);
                deleteButton.gameObject.SetActive(false);
                editorButton.gameObject.SetActive(false);
                saveButton.gameObject.SetActive(false);
                addTagButton.gameObject.SetActive(true);
                recordStop.gameObject.SetActive(false);
            }
        }
        else
        {
            addButton.gameObject.SetActive(false);
            deleteButton.gameObject.SetActive(false);
            editorButton.gameObject.SetActive(false);
            saveButton.gameObject.SetActive(false);
            addTagButton.gameObject.SetActive(false);
            recordStop.gameObject.SetActive(false);
        }
    }
    /// <summary>
    /// 检查是否重名
    /// </summary>
    /// <param name="name"></param>
    /// <returns></returns>
    private bool CheckSameName(string name, int id)
    {
        foreach (var node in list)
        {
            if (node.nodeName == name)
            {
                if (node.nodeID == id)//ID相同代表同一个节点
                {
                    continue;
                }
                return true;
            }
        }
        return false;
    }
    /// <summary>
    /// 从xml文件中获取自增主键
    /// </summary>
    /// <returns></returns>
    public int GetNextID()
    {
        int result = 0;
        string filepath = DisasterManager.GetNodeListXML();
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.Load(filepath);
        XmlNode nextID = xmlDoc.SelectSingleNode("NodeList/SecondNode/NextID");
        result = int.Parse(nextID.InnerText);
        nextID.InnerText = (result + 1).ToString();
        xmlDoc.Save(filepath);
        return result;
    }
}