using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using Game.Config;
using System;
using System.Reflection;
using System.IO;
using System.Text;

public class CheckHotUpdateRes : EditorWindow
{

    public class VersionInfoData:GameData<VersionInfoData>
    {
        public string FullName;

        public string MD5;

        public ulong Size;

     
        public VersionInfoData()
        {
            FullName = "";
            MD5 = "";
            Size = 0;
        }
        private static void OnCsvLoad(CsvReader csvReader)
        {
            VersionInfoData.Onload(csvReader);
        }
    }


    [MenuItem("AssetBundle/热更相关")]
    public static void OpenCheckHotUpdateWindow()
    {
        CheckHotUpdateRes window = GetWindow<CheckHotUpdateRes>("热更相关");
        window.maxSize = new Vector2(800, 600);
        window.minSize = new Vector2(600, 400);
       
        window.Show();

        window.Init();
    }

    private string oldPath = "";
    private string newPath = "";

    private CheckResWindowInfo info;
    private List<VersionInfoData> needResList;
    private GameDataFormatInfo downloadFormatInfo;
    public void Init()
    {
        string path = "Assets/Editor/AssetBundle/CheckHotResWindownInfo.asset";
        //Debug.Log();
        info = AssetDatabase.LoadAssetAtPath<CheckResWindowInfo>(path);
        needResList = new List<VersionInfoData>();
    }

    private void OnGUI()
    {
        DrowSelectFolder("旧版本文件", "选择文件路径", "选择旧版本资源MD5文件路径", ref info.OldPath);
        DrowSelectFolder("新版本文件", "选择文件路径", "选择新版本资源MD5文件路径", ref info.NewPath);   
        DrowSelectFolder("需跟新文件输出路径", "选择文件路径", "选择需跟新文件输出路径", ref info.OutputPath);
        DrawInfo();
        DrawCheckBtn();

       
    }


    private void DrowSelectFolder(string name, string btnName, string savepath, ref string path)
    {
        GUILayout.Box("", GUILayout.Width(790));
        GUILayout.BeginHorizontal();

        GUILayout.Space(10);

        GUILayout.Label(name, GUILayout.Width(120));

        GUILayout.Space(10);

        path = GUILayout.TextField(path, GUILayout.Width(360));
        if (GUILayout.Button(btnName, GUILayout.Width(100)))
        {
            string getstr = EditorUtility.SaveFolderPanel(savepath, path, "");

            if(!string.IsNullOrEmpty(getstr))
            {
                path = getstr;
            }
        }
        GUILayout.Space(10);

        GUILayout.EndHorizontal();
    }


    private void DrawInfo()
    {

        GUILayout.Box("", GUILayout.Width(790));
        GUILayout.BeginHorizontal();

        GUILayout.Space(10);
        GUILayout.Label("版本文件名：", GUILayout.Width(65));
        GUILayout.Space(10);
        info.VersionFileName = GUILayout.TextField(info.VersionFileName, GUILayout.Width(160));

        GUILayout.Space(60);
        GUILayout.Label("版本文件信息文件名：", GUILayout.Width(120));
        GUILayout.Space(10);
        info.mainfestFileName = GUILayout.TextField(info.mainfestFileName, GUILayout.Width(160));


        GUILayout.EndHorizontal();

        GUILayout.Box("", GUILayout.Width(790));
        GUILayout.BeginHorizontal();
        GUILayout.Space(10);
        GUILayout.Label("资源版本：", GUILayout.Width(65));
      
        GUILayout.Space(10);
        info.ResVersion = GUILayout.TextField(info.ResVersion, GUILayout.Width(160));
        GUILayout.Space(10);

        if (GUILayout.Button("读取版本", GUILayout.Width(100)))
        {
            info.ResVersion = File.ReadAllText($"{info.OldPath}/{info.VersionFileName}");
        }
        GUILayout.Space(10);

        if (GUILayout.Button("版本+1", GUILayout.Width(100)))
        {
            VersionCode lVersionCode = info.ResVersion;
            lVersionCode.patch += 1;
            info.ResVersion = lVersionCode.ToString();
        }
        GUILayout.Space(10);

        GUILayout.EndHorizontal();

    }

    private void DrawCheckBtn()
    {
        GUILayout.Box("", GUILayout.Width(790));
        GUILayout.BeginHorizontal();
        GUILayout.Space(10);
        if (GUILayout.Button("生成MD5资源版本文件"))
        {
            BundleBuilderZ.CreateMD5File(info.ResVersion);
        }

        GUILayout.Space(60);

        if (GUILayout.Button("对比新旧资源"))
        {
            CheckRes();
        }

        GUILayout.EndHorizontal();
        GUILayout.Box("", GUILayout.Width(790));


        if (GUILayout.Button("复制所以资源到输出路径"))
        {
            CopyFiles();
        }

        if (GUILayout.Button("复制图片资源到输出路径"))
        {
            CopyTexture();
        }
        if (GUILayout.Button("复制PSD资源到输出路径"))
        {
            CopyPsd();
        }

        GUILayout.Box("", GUILayout.Width(790));
        GUILayout.BeginHorizontal();
        GUILayout.Space(60);
        info.IsIgnore =GUILayout.Toggle(info.IsIgnore, "是否开启忽略某些文件") ;
        GUILayout.EndHorizontal();
    }
    private List<VersionInfoData> SerizlizeResList(byte[] data)
    {
        CsvReader csvReader = new CsvReader(info.mainfestFileName, data);
        if (downloadFormatInfo == null)
        {
            downloadFormatInfo = new GameDataFormatInfo(csvReader.Fields(), csvReader.Types());
        }
        Type type = typeof(VersionInfoData);
        MethodInfo methodInfo = type.GetMethod("OnCsvLoad", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
        methodInfo?.Invoke(null, new object[] { csvReader });
        List<VersionInfoData> resList = VersionInfoData.AllData();
        VersionInfoData.Clear();
        return resList;
    }


    private void CheckRes()
    {
        needResList.Clear();
        oldPath = $"{info.OldPath}/{ info.mainfestFileName}";

        List<VersionInfoData> Oldlist = GetInfoDatas(oldPath);

        newPath = $"{info.NewPath}/{ info.mainfestFileName}";

        List<VersionInfoData> newlist = GetInfoDatas(newPath);
        ChangeResMD5(newlist);
        if (Oldlist != null && newlist != null)
        {
            int size = newlist.Count;

            for (int i = 0; i < size; i++)
            {

                if (newlist[i].FullName == info.mainfestFileName || newlist[i].FullName == info.VersionFileName)
                {
                    continue;
                }

                bool isignore = false;
                if (info.IsIgnore)
                {
                    string igstr = info.IgnoreFiles.FindFirst(it => it == newlist[i].FullName);
                    if (!string.IsNullOrEmpty(igstr))
                    {
                        isignore = true;
                        Debug.Log("======================" + newlist[i].FullName);
                    }
                }

                VersionInfoData ores = Oldlist.FindFirst(it=> it.FullName == newlist[i].FullName);

                if (ores != null )
                {
                    if (isignore)
                    {
                        newlist[i].MD5 = ores.MD5;
                        newlist[i].Size = ores.Size;
                    }
                    else if (newlist[i].MD5 != ores.MD5)
                    {
                        needResList.Add(newlist[i]);
                    }
                        
                  
                }
                else
                {
                    needResList.Add(newlist[i]);
                }
            }
        }

        CsvWriter<VersionInfoData> csvWriter = new CsvWriter<VersionInfoData>(newPath, "", newlist, downloadFormatInfo);
        csvWriter.Write();
       
        CopyFile();

        needResList.Clear();
        Debug.Log($"资源检查完成 输出路径 ： 【{info.OutputPath}】");
    }


    private void CopyFile()
    {
        if (needResList == null)
        {
            return;
        }
        int size = needResList.Count;

        string datapath = $"{info.NewPath}/";

        StringBuilder ChangedataUrls = new StringBuilder();

        for (int i = 0; i < size; i++)
        {
            ChangedataUrls.Append($"http://weix.vvfyj.cn/res/WDAndroidRes/{ needResList[i].FullName}\n\r");
            byte[] fdatas = File.ReadAllBytes(datapath + needResList[i].FullName);

            FileHelper.WirteToFile( $"{info.OutputPath}/{needResList[i].FullName}" ,fdatas);

        }
        
        FileHelper.WirteStringToFile($"{info.OutputPath}/{info.VersionFileName}",info.ResVersion);

        byte[] mdatas = File.ReadAllBytes(datapath + info.mainfestFileName);

        ChangedataUrls.Append($"http://weix.vvfyj.cn/res/WDAndroidRes/{ info.mainfestFileName}\n\r");
        ChangedataUrls.Append($"http://weix.vvfyj.cn/res/WDAndroidRes/{ info.VersionFileName}\n\r");
        FileHelper.WirteToFile($"{info.OutputPath}/{info.mainfestFileName}", mdatas);
        FileHelper.WirteToFile($"{info.OutputPath}/ChangeFileUrls.txt", Encoding.UTF8.GetBytes(ChangedataUrls.ToString()));

    }


    private List<VersionInfoData> GetInfoDatas(string path)
    {
        List<VersionInfoData> list = null;
        byte[] datas = null;
        if (FileSystem.Exists(path))
        {
            datas = File.ReadAllBytes(path);
        }

        if (datas != null)
        {
            list = SerizlizeResList(datas);
        }
        else
        {
            Debug.LogError($"请选择正确路径；[{path}]文件不存在！！！！");
        }

        return list;
    }


    private void ChangeResMD5(List<VersionInfoData> datas)
    {
        int[] ids = GenerateRandomArray(info.ChangeNum, 1, datas.Count);


        for (int i = 0; i < ids.Length; i++)
        {
            Debug.Log($"{ datas[ids[i]].FullName}  改===={ datas[ids[i]].MD5}=====");
            datas[ids[i]].MD5 = datas[ids[i]].MD5.Substring(0,6);
            //Debug.Log($"{ datas[ids[i]].FullName}  改===={ datas[ids[i]].MD5}=====eeee");
        }
    }


    int[] GenerateRandomArray(int size, int min, int max)
    {
    
        List<int> array = new List<int>(size);

        if (size >= max - min)
        {
            for (int i = min; i < max; i++)
            {
                array.Add(i);
            }
        }
        else
        {
            while (size > 0)
            {
                int a = UnityEngine.Random.Range(min, max);

                if (!array.Contains(a))
                {
                    array.Add(a);
                    size--;
                }

            }
        }

       
        return array.ToArray(); 
    }


    private void CopyFiles()
    {
        string[] files1 = FileHelper.GetAllFileNmae(info.NewPath, "meta");

        int size = files1.Length;

        string datapath = $"{info.NewPath}/";
        for (int i = 0; i < size; i++)
        {

            byte[] fdatas = File.ReadAllBytes(datapath + files1[i]);

            FileHelper.WirteToFile($"{info.OutputPath}/{files1[i]}", fdatas);

        }

    }

    private void CopyTexture()
    {
        string datapath = $"{Application.dataPath}/Content/Icons/";
        FileHelper.CopyDir(datapath, info.OutputPath, "meta");
    }

    private void CopyPsd()
    {
        string datapath = $"{Application.dataPath}/";
        FileHelper.CopyDir_Only(datapath, info.OutputPath, ".psd");
    }
}