using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using Game.Config;
using System;
using System.Reflection;
using System.IO;
using System.IO.Compression;
using System.Security.Cryptography;
using System.Text;
using System.Linq;


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/创建最大Version")]
    public static void CreateVersion()
    {
#if UNITY_IOS
        FileHelper.WirteStringToFile(Application.dataPath+ "/StreamingAssets/unityRes/afivs", "99.99.99.99");
#else
        FileHelper.WirteStringToFile(Application.dataPath + "/StreamingAssets/AssetsAndroid/Version", "99.99.99.99");
#endif
    }

    [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.Init();
        window.Show();

    }

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

    private CheckResWindowInfo info;
    private ResInfo curResInfo;
    private List<VersionInfoData> needResList;
    private GameDataFormatInfo downloadFormatInfo;
    public void Init()
    {
        string path = "Assets/Editor/AssetBundle/CheckHotResWindownInfo.asset";
        //Debug.Log();
        info = AssetDatabase.LoadAssetAtPath<CheckResWindowInfo>(path);
        info.InitTags();
         curResInfo = info.GetResInfo();
        if (curResInfo == null)
        {
            curResInfo = new ResInfo();
        }
#if UNITY_IOS
        info.VersionFileName = "afivs";
        info.mainfestFileName = "afimft";
        info.NewPath = Application.dataPath + "/StreamingAssets/unityRes";
        //#else
        //        versionFileName = "Version";
        //        assetsFileName = "mainfest";
#endif
        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 curResInfo.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 curResInfo.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 curResInfo.OutputPath);
        DrowSelectFolder("ab包名基础名字文件路径", "选择文件路径", "选择ab包名基础名字文件路径", ref curResInfo.BaseNameFileInfoPath);
        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.Label("平台", GUILayout.Width(65));
        int TagIndex = EditorGUILayout.Popup(info.buildTag, info.Tags, GUILayout.Width(100));
        if (TagIndex != info.buildTag)
        {
            info.buildTag = TagIndex;
            ResInfo ri = info.GetResInfo();
            if (ri != null)
            {
                curResInfo = ri;
            }
        }

        GUILayout.EndHorizontal();

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

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

        GUILayout.Space(60);
        GUILayout.Label("版本文件信息文件名：", GUILayout.Width(120));
        GUILayout.Space(10);
        curResInfo.mainfestFileName = GUILayout.TextField(curResInfo.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);
        curResInfo.ResVersion = GUILayout.TextField(curResInfo.ResVersion, GUILayout.Width(160));
        GUILayout.Space(10);
        if (GUILayout.Button("读取版本", GUILayout.Width(100)))
        {
            curResInfo.ResVersion = File.ReadAllText($"{curResInfo.OldPath}/{curResInfo.VersionFileName}");
        }
        GUILayout.Space(10);

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

        GUILayout.BeginHorizontal();
        GUILayout.Label("语言：", GUILayout.Width(65));
        GUILayout.Space(10);
        curResInfo.Language = (BuildLanguage)EditorGUILayout.EnumPopup(curResInfo.Language, GUILayout.Width(100));
        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(curResInfo.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();
        }

        GUILayout.Box("", GUILayout.Width(790));
        GUILayout.BeginHorizontal();
        GUILayout.Space(60);
        curResInfo.IsIgnore =GUILayout.Toggle(curResInfo.IsIgnore, "是否开启忽略某些文件") ;
        GUILayout.Space(60);
        if (GUILayout.Button("制作混淆信息"))
        {
           MakeAbHxNameAssets();
        }
        GUILayout.EndHorizontal();
    }
    private List<VersionInfoData> SerizlizeResList(byte[] data)
    {
        CsvReader csvReader = new CsvReader(curResInfo.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 = $"{curResInfo.OldPath}/{ curResInfo.mainfestFileName}";

        List<VersionInfoData> Oldlist = GetInfoDatas(oldPath);

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

        List<VersionInfoData> newlist = GetInfoDatas(newPath);
        ChangeResMD5(newlist);

        Dictionary<string, string> abNamedic = null;
        if (curResInfo.IsHx)
        {
            abNamedic= GetCurInfoAbNameInfos();
        }


        if (Oldlist != null && newlist != null)
        {
            int size = newlist.Count;

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

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

                bool isignore = false;

                string baseName = newlist[i].FullName; ;
                RG_Ignore_Info rG_Ignore_Info = null;
                if (curResInfo.IsHx && abNamedic.ContainsKey(newlist[i].FullName))
                {

                    baseName = abNamedic[newlist[i].FullName];
                }
                rG_Ignore_Info = curResInfo.Rg_Essential_Infos.FindFirst(it => !it.IsIgnore && baseName.Contains(it.Field));

                bool isEssential = rG_Ignore_Info != null;

                if (curResInfo.IsIgnore && !isEssential)
                {
                    string igstr = curResInfo.IgnoreFiles.FindFirst(it => it == baseName);
                    rG_Ignore_Info = curResInfo.rG_Ignore_Infos.FindFirst(it => it.IsIgnore && baseName.Contains( it.Field));
                    if (!string.IsNullOrEmpty(igstr) || rG_Ignore_Info != null)
                    {
                        isignore = true;
                        Debug.Log("=========忽略=============" + baseName);
                    }                   
                }

                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)
                    {
                        Debug.Log($"新 {newlist[i].FullName} MD5=[{newlist[i].MD5}]   Base = [{baseName}]");
                        Debug.Log($"旧 {ores.FullName} MD5=[{ores.MD5}]");
                        needResList.Add(newlist[i]);
                    }
                        
                  
                }
                else
                {
                    if (isignore)
                    {
                        continue;
                    }
                    Debug.Log($"新 {newlist[i].FullName} MD5=[{newlist[i].MD5}]   Base = [{baseName}]");
                    needResList.Add(newlist[i]);
                }
            }
        }

        CsvWriter<VersionInfoData> csvWriter = new CsvWriter<VersionInfoData>(newPath, "", newlist, downloadFormatInfo);
        csvWriter.Write();
       
        CopyFile();
        string FiletempPath = $"{curResInfo.OutputPath}/../ZipTempPath";
        if(Directory.Exists(FiletempPath))
            Directory.Delete(FiletempPath,true);
        Directory.CreateDirectory(FiletempPath);
        CopyFile(FiletempPath);
        string zipName = $"{curResInfo.CN_Name}-热更资源---{curResInfo.ResVersion}---{DateTime.Now.Month}.{DateTime.Now.Day}--{DateTime.Now.Hour}.{DateTime.Now.Minute}.zip";
        ZipFile.CreateFromDirectory(FiletempPath,$"{curResInfo.OutputPath}/{zipName}");
        Directory.Delete(FiletempPath,true);
        needResList.Clear();
        Debug.Log($"资源检查完成 输出路径 ： 【{curResInfo.OutputPath}】【{zipName}】");
    }


    private void CopyFile(string outP = "")
    {
        if (needResList == null)
        {
            return;
        }

        if (string.IsNullOrEmpty(outP))
        {
            outP = curResInfo.OutputPath;
        }
        int size = needResList.Count;

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

        for (int i = 0; i < size; i++)
        {
            if (needResList[i].FullName == "Version")
            {
                continue;
            }
            byte[] fdatas = File.ReadAllBytes(datapath + needResList[i].FullName);

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

        }
        
        FileHelper.WirteStringToFile($"{outP}/{curResInfo.VersionFileName}",curResInfo.ResVersion);

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

        FileHelper.WirteToFile($"{outP}/{curResInfo.mainfestFileName}", mdatas);

    }


    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(curResInfo.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(curResInfo.NewPath, "meta");

        int size = files1.Length;

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

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

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

        }

    }

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



    public static string GetABFileName(string abName,string s_ObscureKey)
    {

        try
        {
            using (var md5 = new MD5CryptoServiceProvider())
            {
                UTF8Encoding encoding = new UTF8Encoding(false);
                byte[] bytes = encoding.GetBytes((abName + s_ObscureKey).ToLower());
                bytes = md5.ComputeHash(bytes);
                StringBuilder sb = new StringBuilder();
                for (int i = 0; i < bytes.Length; i++)
                {
                    sb.Append(bytes[i].ToString("x2"));
                }
                return sb.ToString();
            }
        }
        catch (Exception e)
        {
            Debug.LogException(e);
        }

        return abName;
    }


    private void MakeAbHxNameAssets()
    {
        List<VersionInfoData> baseData = GetInfoDatas(curResInfo.BaseNameFileInfoPath);
        AbNameHxInfo hxInfo = curResInfo.abNameHxInfo == null? new AbNameHxInfo():curResInfo.abNameHxInfo;
        if (hxInfo.Infos == null)
            hxInfo.Infos = new List<abNameInfo>();
        foreach (var item in baseData)
        {
            string hxName = GetABFileName(item.FullName,curResInfo.hxKey);
            abNameInfo nameInfo = new abNameInfo() 
            {
                BaseName = item.FullName,
                HxName = hxName,
            };
            hxInfo.Infos.Add(nameInfo);
        }
        curResInfo.abNameHxInfo = hxInfo;
    }

    public Dictionary<string,string> GetCurInfoAbNameInfos()
    {
        Dictionary<string, string> abinfos = new Dictionary<string, string>();

        foreach (var item in curResInfo.abNameHxInfo.Infos)
        {
            abinfos.Add(item.HxName,item.BaseName);
        }

        return abinfos;
    }
}