using System;
using System.Collections.Generic;
using System.IO;

using UnityEditor;
using UnityEditor.U2D;
using UnityEngine;
using UnityEngine.U2D;
using YooAsset.Editor;

namespace Stary.Evo.Editor
{
    public class MarkAdressable
    {
        private static AssetBundleCollectorPackage package;
        private static string _packageName;


        public static string ArtRoot
        {
            get { return Application.dataPath + "/Art"; }
        }

        public static void AddArtMark(Action complete)
        {
            _packageName = BuildArtAssetWindow.GetBuildPackageName();
            AssetBundleCollectorPackage assetBundleCollectorPackage = null;
            foreach (var package in AssetBundleCollectorSettingData.Setting.Packages)
            {
                if (package.PackageName ==_packageName)
                {
                    assetBundleCollectorPackage = package;
                }
            }
            if (assetBundleCollectorPackage != null)
            {
                YooAsset.Editor.AssetBundleCollectorSettingData.RemovePackage(assetBundleCollectorPackage);
            }
            MarkArt();
            CollectSVC(ArtRoot, _packageName,complete);
        }


        #region 自动标记

        public static Dictionary<string, string> addressDic = new Dictionary<string, string>();

        public static Dictionary<string, AssetBundleCollectorGroup> collectorGroupDic =
            new Dictionary<string, AssetBundleCollectorGroup>();

        public static void MarkArt()
        {
            addressDic.Clear();
            collectorGroupDic.Clear();
            ///创建分组
            string remotedRoot = $"{ArtRoot}/{_packageName}";
            DirectoryInfo[] dirs = new DirectoryInfo(remotedRoot).GetDirectories();

            var setting = YooAsset.Editor.AssetBundleCollectorSettingData.Setting;
            setting.ShowPackageView = true;
            setting.UniqueBundleName = true;
            //创建Package文件
            package = YooAsset.Editor.AssetBundleCollectorSettingData.CreatePackage(_packageName);

            //检测Packages是否存在TestPackage
            package.PackageName = _packageName;
            package.EnableAddressable = true;
            package.IncludeAssetGUID = true;
            package.AutoCollectShaders = true;
            package.IgnoreRuleName = "NormalIgnoreRule";

            //检测Packages是否存在Group
            foreach (var info in dirs)
            {
                string groupName = info.Name;

                if (info.Name == "Scenes"||info.Name == "Config")
                {
                    AssetBundleCollectorGroup collectorGroup =
                        YooAsset.Editor.AssetBundleCollectorSettingData.CreateGroup(package, groupName);
                    collectorGroup.AssetTags = groupName;
                    if (!collectorGroupDic.ContainsKey(groupName))
                    {
                        collectorGroupDic.Add(groupName, collectorGroup);
                    }
                    else
                    {
                        Debug.LogError("分组 ： " + groupName + "已存在，请检查资源目录，避免重复");
                    }
                    AutoMarkRootAddress(info);
                }
            }
            // AssetDatabase.SaveAssets();
            // AssetDatabase.Refresh();
            MarkStatus();
            YooAsset.Editor.AssetBundleCollectorSettingData.SaveFile();

            // CreateRes();


            Debug.Log("MarkAsset Successful");
        }


        public static void AutoMarkRootAddress(DirectoryInfo dir)
        {
            List<string> fileInfos = new List<string>();
            FilesUtils.GetFiles(dir.FullName, ref fileInfos);

            //检测用户config下是否存在config文件
            if (dir.Name == "Config")
            {
                List<string> fileNewInfos = new List<string>();
                foreach (var file in fileInfos)
                {
                    if (Path.GetExtension(file) != ".meta")
                    {
                        fileNewInfos.Add(file);
                    }
                }
            }

            if (fileInfos != null && fileInfos.Count > 0)
            {
                foreach (var file in fileInfos)
                {
                    if (Path.GetExtension(file) != ".meta" && Path.GetExtension(file) != ".spriteatlas")
                    {
                        // string[] dirSplit = file.Split(new string[] { $"AddressableRes\\{dir.Name}\\" },
                        //     StringSplitOptions.RemoveEmptyEntries);
                        // string address = (dirSplit[dirSplit.Length - 1]).Replace("\\", "/");
                        // Debug.Log("address：" + address);
                        string groupName = dir.Name;
                        string assetPath = FilesUtils.AbsoluteToRelativePath("Assets", file); //Asset到文件的路径
                        var guid = AssetDatabase.AssetPathToGUID(assetPath);
                        var group = collectorGroupDic[groupName];
                        if (group != null)
                        {
                            AssetBundleCollector collector = new AssetBundleCollector()
                            {
                                CollectPath = assetPath,
                                CollectorGUID = guid,
                                CollectorType = ECollectorType.MainAssetCollector,
                                AddressRuleName = nameof(AddressByFolderAndFileName),
                                AssetTags = groupName,
                            };

                            //TODO 暂时不设置
                            // 如果是video目录，设置
                            // if (groupName == "Video")
                            // {
                            //     collector.PackRuleName = nameof(PackVideoFile);
                            // }

                            YooAsset.Editor.AssetBundleCollectorSettingData.CreateCollector(group, collector);
                            Debug.Log("GetAssetAddress:" + GetAssetAddress(file));
                            AddAddressInfo(file, GetAssetAddress(file));
                        }
                        else
                        {
                            Debug.LogError("分组 = " + groupName + "不存在");
                        }
                    }
                }
            }
        }

        #region 图集

        public static void AutoCreateSpriteAtlas(string domainRootRes)
        {
            string AtlasRemotedRoot = domainRootRes + "/SpriteAtlas";
            string SpriteRemotedAtlas = domainRootRes + "/Sprites";
            DirectoryInfo[] remotedirs = new DirectoryInfo(SpriteRemotedAtlas).GetDirectories();
            foreach (var info in remotedirs)
            {
                AddSpriteAtlas(SpriteRemotedAtlas + "/" + info.Name, SpriteRemotedAtlas,
                    AtlasRemotedRoot, info);
            }
        }

        /// <summary>
        /// 自动创建图集
        /// </summary>
        /// <param name="path">路径</param>
        /// <param name="dir">文件夹</param>
        private static void AddSpriteAtlas(string path, string atlasRoot, string spriteAtlas, DirectoryInfo dir)
        {
            var groupname = "SpriteAtlas";
            var dirs = dir.GetDirectories();
            if (dirs == null || dirs.Length == 0)
            {
                string name = path.Replace(atlasRoot + "/", string.Empty).Replace("/", "_");
                string filePath = $"{spriteAtlas}/{name}.spriteatlas";
                // string[] dirSplit =
                //     filePath.Split(new string[] { $"AddressableRes/{Path.GetFileName(spriteAtlas)}" },
                //         StringSplitOptions.RemoveEmptyEntries);
                // string address = (dirSplit[dirSplit.Length - 1]).Substring(1).Replace("\\", "/");
                // Debug.Log("spriteatlasaddress：" + address);
                int assetIndex = filePath.IndexOf("Assets");
                string guidPath = filePath.Remove(0, assetIndex);
                if (!File.Exists(filePath))
                {
                    SpriteAtlas atlas = new SpriteAtlas();
                    //设置打包参数
                    SpriteAtlasPackingSettings packSetting = new SpriteAtlasPackingSettings()
                    {
                        blockOffset = 1,
                        enableRotation = true,
                        enableTightPacking = false,
                        padding = 2,
                    };
                    atlas.SetPackingSettings(packSetting);

                    //设置打包后Texture图集信息
                    SpriteAtlasTextureSettings textureSettings = new SpriteAtlasTextureSettings()
                    {
                        readable = false,
                        generateMipMaps = false,
                        sRGB = true,
                        filterMode = FilterMode.Bilinear,
                    };
                    atlas.SetTextureSettings(textureSettings);

                    //设置平台图集大小压缩等信息
                    TextureImporterPlatformSettings platformSettings = new TextureImporterPlatformSettings()
                    {
                        maxTextureSize = 4096,
                        format = TextureImporterFormat.Automatic,
                        crunchedCompression = true,
                        textureCompression = TextureImporterCompression.Compressed,
                        compressionQuality = 50,
                    };
                    atlas.SetPlatformSettings(platformSettings);
                    AssetDatabase.CreateAsset(atlas, guidPath);
                    int pathIndex = path.IndexOf("Assets");
                    string spritePath = path.Remove(0, pathIndex);
                    UnityEngine.Object obj = AssetDatabase.LoadAssetAtPath(spritePath, typeof(UnityEngine.Object));
                    atlas.Add(new[] { obj });
                    AssetDatabase.SaveAssets();
                    AssetDatabase.Refresh();
                }

                var guid = AssetDatabase.AssetPathToGUID(guidPath);

                var group = collectorGroupDic[groupname];
                if (group != null)
                {
                    AssetBundleCollector collector = new AssetBundleCollector()
                    {
                        CollectPath = guidPath,
                        CollectorGUID = guid,
                        CollectorType = ECollectorType.MainAssetCollector,
                        AddressRuleName = nameof(AddressByFolderAndFileName),
                        AssetTags = groupname,
                    };
                    YooAsset.Editor.AssetBundleCollectorSettingData.CreateCollector(group, collector);


                    AddAddressInfo(path, GetAssetAddress(path));
                }
                else
                {
                    Debug.LogError("分组 = " + GetAssetAddress(path) + "不存在");
                }

                AssetDatabase.Refresh();
            }
            else
            {
                if (dirs.Length > 0)
                {
                    foreach (var info in dirs)
                    {
                        AddSpriteAtlas(path + "/" + info.Name, atlasRoot, spriteAtlas, info);
                    }
                }
            }
        }

        #endregion

        private static void AddAddressInfo(string assetPath, string address)
        {
            if (addressDic.ContainsKey(assetPath))
            {
                Debug.LogError("命名重复,已经存在:" + assetPath);
            }
            else
            {
                addressDic.Add(assetPath, address);
            }
        }

        private static string GetAssetAddress(string assetPath)
        {
            string fileName = Path.GetFileNameWithoutExtension(assetPath);
            FileInfo fileInfo = new FileInfo(assetPath);
            return $"{fileInfo.Directory.Name}_{fileName}";
        }

        #endregion

        /// <summary>
        /// 标记为资源分组
        /// </summary>
        private static void MarkStatus()
        {
            List<AssetBundleCollectorGroup> deleteList = new List<AssetBundleCollectorGroup>();
            for (int i = 0; i < package.Groups.Count; i++)
            {
                var group = package.Groups[i];
                if (group.GroupName != "Default Local Group" && group.GroupName != "Built In Data")
                {
                    if (group.Collectors.Count <= 0)
                    {
                        ///删除没有资源的分组
                        deleteList.Add(group);
                    }
                }
            }

            for (int i = 0; i < deleteList.Count; i++)
            {
                package.Groups.Remove(deleteList[i]);
            }
        }

        public static void CollectSVC(string root,string packageName,Action complete)
        {
            string remotedRoot = $"{root}/{packageName}/ShaderVariants";
            string remotedRootFileName = $"{remotedRoot}/{packageName}.shadervariants";
            if (!Directory.Exists(remotedRoot))
            {
                Directory.CreateDirectory(remotedRoot);
                AssetDatabase.Refresh();
            }

            string localSavePath = FilesUtils.AbsoluteToRelativePath("Assets", remotedRootFileName); //Asset到文件的路径

            System.Action completedCallback = () =>
            {
                ShaderVariantCollection collection =
                    AssetDatabase.LoadAssetAtPath<ShaderVariantCollection>(localSavePath);
                if (collection != null)
                {
                    Debug.Log(
                        $"UnityEvo:【{packageName}】ShaderCount : {collection.shaderCount}");
                    Debug.Log(
                        $"UnityEvo:【{packageName}】VariantCount : {collection.variantCount}");

                    CreateShaderVariantsGroup(packageName, localSavePath);

                    complete?.Invoke();
                }
                else
                {
                    throw new Exception("Failed to Collect shader Variants.");
                }
            };
            ShaderVariantCollector.Run(localSavePath, packageName, 1000, completedCallback);
        }

        // 新增方法：创建独立的ShaderVariants分组（防止多个package冲突）
        private static void CreateShaderVariantsGroup(string packageName, string localSavePath)
        {
            string groupname = $"ShaderVariants_{packageName}";
            AssetBundleCollectorGroup collectorGroup = null;

            // 查找或创建package专属分组
            foreach (var package in AssetBundleCollectorSettingData.Setting.Packages)
            {
                if (package.PackageName == packageName)
                {
                    collectorGroup = YooAsset.Editor.AssetBundleCollectorSettingData.CreateGroup(package, groupname);
                    break;
                }
            }

            var guid = AssetDatabase.AssetPathToGUID(localSavePath);
            AssetBundleCollector collector = new AssetBundleCollector()
            {
                CollectPath = localSavePath,
                CollectorGUID = guid,
                CollectorType = ECollectorType.MainAssetCollector,
                AddressRuleName = nameof(AddressByFolderAndFileName),
                PackRuleName = nameof(PackShaderVariants),
                FilterRuleName = nameof(CollectShaderVariants),
                AssetTags = groupname,
            };

            YooAsset.Editor.AssetBundleCollectorSettingData.CreateCollector(collectorGroup, collector);
            YooAsset.Editor.AssetBundleCollectorSettingData.SaveFile();
        }
    }
}