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

public class FirstNodeManager : MonoBehaviour
{
    public Button addButton;
    public Button deleteButton;
    public Button editorButton;
    public Transform itemParent;
    public GameObject nodeWindow;
    private GameObject itemPrefab;
    private List<FirstNodeObject> list;
    public static FirstNodeObject selectNode;
    void Awake()
    {
        MessageDispatcher.AddListener("DataInitializationComplete", SetItemUI);
    }
    // Use this for initialization
    void Start()
    {
        addButton.onClick.AddListener(AddNodeWindow);
        deleteButton.onClick.AddListener(DeleteNodeWindow);
        editorButton.onClick.AddListener(EditorNodeWindow);
        itemPrefab = Resources.Load("UI/FirstNodeItem") as GameObject;
        //list = DisasterManager.firstNodeObjects;       
        MessageDispatcher.AddListener("PlayStatusChanged", SetUIByPlayStatus);
        SetUI();
        
    }

    private void SetItemUI(IMessage obj)
    {
        if (itemPrefab==null)
        {
            itemPrefab = Resources.Load("UI/FirstNodeItem") as GameObject;        
        }
        list = DisasterManager.firstNodeObjects;
        DrawItem();
    }

    private void OnDestroy()
    {
        MessageDispatcher.RemoveListener("PlayStatusChanged", SetUIByPlayStatus);
        MessageDispatcher.RemoveListener("DataInitializationComplete", SetItemUI);
    }
    // Update is called once per frame
    void Update()
    {

    }
    /// <summary>
    /// 初始化第一节点UI
    /// </summary>
    private void DrawItem()
    {
        selectNode = null;
        foreach (Transform item in itemParent)
        {
            Destroy(item.gameObject);
        }
        for (int i = 0; i < list.Count; i++)
        {
            AddNodeItem(list[i], i);
        }
    }
    private void AddNodeWindow()
    {
        nodeWindow.SetActive(true);
        var node = new FirstNodeObject();
        node.nodeID = -1;
        nodeWindow.GetComponent<FirstNodeWindow>().SetWindow(node);
    }
    private void DeleteNodeWindow()
    {
        if (selectNode == null)
        {
            return;
        }
        ResourceLoadWindow.Instance.LoadTipWindow("确定删除该一级节点？", DeleteNode, null);
    }
    private void EditorNodeWindow()
    {
        if (selectNode == null)
        {
            return;
        }
        nodeWindow.SetActive(true);
        nodeWindow.GetComponent<FirstNodeWindow>().SetWindow(selectNode);
    }
    /// <summary>
    /// 新增一级节点
    /// </summary>
    /// <param name="name"></param>
    public void AddNode(FirstNodeObject 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;
        }
        if (list.Count >= 12)
        {
            ResourceLoadWindow.Instance.LoadTextHintWindow("不能再生成一级目录", 0.5f);
            return;
        }
        node.nodeID = GetNextID();
        list.Add(node);
        AddNodeItem(node, list.Count - 1);//UI中添加
        AddXml(node);//xml文件中添加
        nodeWindow.SetActive(false);
    }

    private void AddNodeItem(FirstNodeObject obj, int index)
    {
        GameObject item = Instantiate(itemPrefab, itemParent) as GameObject;
        item.GetComponent<Toggle>().group = itemParent.GetComponent<ToggleGroup>();
        item.GetComponent<FirstNodeItem>().SetItem(obj, index);
    }
    private void AddXml(FirstNodeObject obj)
    {
        string filepath = DisasterManager.GetNodeListXML();
        if (File.Exists(filepath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filepath);
            XmlNode nodes = xmlDoc.SelectSingleNode("NodeList/FirstNode/Nodes");
            XmlElement node = xmlDoc.CreateElement("Node");
            node.SetAttribute("ID", obj.nodeID.ToString());
            node.SetAttribute("Name", obj.nodeName);
            nodes.AppendChild(node);
            xmlDoc.Save(filepath);
        }
    }
    /// <summary>
    /// 删除一级节点
    /// </summary>
    private void DeleteNode()
    {
        int index = 0;
        foreach (Transform item in itemParent)
        {
            var msg = item.GetComponent<FirstNodeItem>();
            if (msg.obj == selectNode)
            {
                index = msg.index;
                Destroy(item.gameObject);
                break;
            }
        }
        DeleteXml(selectNode);//xml文件中删除
        list.Remove(selectNode);
        selectNode = null;
        MessageDispatcher.SendMessage("DeleteFirstNode", index);//删除后需改变其他节点显示索引值
    }
    private void DeleteXml(FirstNodeObject obj)
    {
        string filepath = DisasterManager.GetNodeListXML();
        if (File.Exists(filepath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filepath);
            XmlNode nodes = xmlDoc.SelectSingleNode("NodeList/FirstNode/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);
        }
    }
    /// <summary>
    /// 编辑一级节点
    /// </summary>
    /// <param name="name"></param>
    public void EditorNode(FirstNodeObject 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(FirstNodeObject obj)
    {
        foreach (Transform item in itemParent)
        {
            var msg = item.GetComponent<FirstNodeItem>();
            if (msg.obj.nodeID == obj.nodeID)
            {
                msg.SetUI();
                break;
            }
        }
    }
    private void EditorXML(FirstNodeObject obj)
    {
        string filepath = DisasterManager.GetNodeListXML();
        if (File.Exists(filepath))
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(filepath);
            XmlNode nodes = xmlDoc.SelectSingleNode("NodeList/FirstNode/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());
                    break;
                }
            }
            xmlDoc.Save(filepath);
        }
    }
    private void SetUI()
    {
        if (DisasterManager.editorRight)
        {
            addButton.gameObject.SetActive(true);
            deleteButton.gameObject.SetActive(true);
            editorButton.gameObject.SetActive(true);
        }
        else
        {
            addButton.gameObject.SetActive(false);
            deleteButton.gameObject.SetActive(false);
            editorButton.gameObject.SetActive(false);
        }
    }
    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);

            }
            else if (playStatus == PlayStatus.isEditor)
            {
                addButton.gameObject.SetActive(false);
                deleteButton.gameObject.SetActive(false);
                editorButton.gameObject.SetActive(false);
            }
            else if (playStatus == PlayStatus.isReplay)
            {
                addButton.gameObject.SetActive(false);
                deleteButton.gameObject.SetActive(false);
                editorButton.gameObject.SetActive(false);
            }
        }
        else
        {
            addButton.gameObject.SetActive(false);
            deleteButton.gameObject.SetActive(false);
            editorButton.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/FirstNode/NextID");
        result = int.Parse(nextID.InnerText);
        nextID.InnerText = (result + 1).ToString();
        xmlDoc.Save(filepath);
        return result;
    }
    public static string ToChinese(int Num)
    {
        string Number = "";

        switch (Num)
        {
            case 0: Number = "一"; break;
            case 1: Number = "二"; break;
            case 2: Number = "三"; break;
            case 3: Number = "四"; break;
            case 4: Number = "五"; break;
            case 5: Number = "六"; break;
            case 6: Number = "七"; break;
            case 7: Number = "八"; break;
            case 8: Number = "九"; break;
            case 9: Number = "十"; break;
            case 10: Number = "十一"; break;
            case 11: Number = "十二"; break;
        }
        return Number;
    }
}