using Autofac;
using DocumentFormat.OpenXml.Spreadsheet;
using Newtonsoft.Json;
using Org.BouncyCastle.Asn1.Ocsp;
using System.Reflection;
using System.Runtime.CompilerServices;
using YieldChain.Commons;
using YieldChain.Helpers;
using YLErp.Cache;
using YLErp.DBModels.Consts;
using YLErp.Models;

namespace YLErp.Modules.AppModule
{
    partial class AppInitializer
    {
        readonly InnerAppConfigService configService;

        public AppInitializer()
        {
            configService = new InnerAppConfigService();
        }

        /// <summary>
        /// 初始化项目配置文件
        /// </summary>
        public void InitializePsConfig(SmtpConfigHandler smtpConfigHandler)
        {
            var items = configService.GetAllDatas().Where(a => a.PGroup == "ProjectConfig").ToArray();
            var dic = new Dictionary<string, object>();
            foreach (var item in items)
            {
                if (string.IsNullOrWhiteSpace(item.PName) || string.IsNullOrWhiteSpace(item.PValue))
                {
                    continue;
                }
                var pname = item.PName;
                var index = pname.IndexOf('.');
                pname = pname.Substring(index + 1).Trim();
                if ("bool".Equals(item.PType, StringComparison.OrdinalIgnoreCase))
                {
                    dic[pname] = "true".Equals(item.PValue, StringComparison.OrdinalIgnoreCase);
                }
                else
                {
                    dic[pname] = item.PValue;
                }
            }
            PS.ResetConfig(Newtonsoft.Json.JsonConvert.SerializeObject(dic));

            //邮件发送配置
            var smptConfig = configService.GetData("ProjectConfig", "Erp.SendMailConfig");
            if (!string.IsNullOrWhiteSpace(smptConfig?.PValue) && smtpConfigHandler != null)
            {
                smtpConfigHandler.ResetConfig(smptConfig.PValue);
            }
        }

        public void InitialRedisConfig()
        {
            var cacheConfig =JsonConvert.DeserializeObject<CacheConfig>(configService.GetData("ProjectConfig", "Erp.RedisConfig")?.PValue ?? string.Empty)??new CacheConfig();
            YLServiceLocator.ServiceCollection.AddYLCache(opt =>
            {
                opt.Enable = cacheConfig.Enable;
                opt.ConnectionString= cacheConfig.ConnectionString;
                opt.DataBaseNum = cacheConfig.DataBaseNum;
                opt.CustomPrefix = cacheConfig.CustomPrefix;
                if (string.IsNullOrEmpty(opt.CustomPrefix))
                {
                    opt.CustomPrefix = ((int)PS.Config.Company).ToString();
                }
            });
        }


        /// <summary>
        /// 
        /// </summary>
        public string GetOtcFormatConfig()
        {
            return configService.GetData(ConsAppConfig.ProjectConfig, ConsAppConfig.OtcFormatConfig)?.PValue;
        }

        /// <summary>
        /// 初始化插件
        /// </summary>
        public static PluginInfo InitializePlugin(out IContainer container)
        {
            container = null;

            var pluginFolder = Environment.GetEnvironmentVariable("AppSettings:PluginFolder");

            if (string.IsNullOrEmpty(pluginFolder))
            {
                if (OtcAppContext.MapPath != null)
                {
                    pluginFolder = OtcAppContext.MapPath("~/App_Plugin");

                    if (!Directory.Exists(pluginFolder))
                    {
                        pluginFolder = Path.Combine(AppContext.BaseDirectory, "App_Plugin");
                    }
                }
            }

            var info = new PluginInfo
            {
                PluginFolder = pluginFolder
            };

            if (!Directory.Exists(pluginFolder))
            {
                info.LoadMessage = "插件目录不存在!";
                return info;
            }

            Environment.SetEnvironmentVariable("AppSettings:PluginFolder", pluginFolder);

            //加载并注册插件
            var iocBuilder = new ContainerBuilder();
            var dllFiles = Directory.GetFiles(pluginFolder, "YLErp.Plugins.*.dll");

            foreach (var dllFile in dllFiles)
            {
                if (dllFile.LastIndexOf(".Abstract.") < 0)
                {
                    var assembly = Assembly.Load(File.ReadAllBytes(dllFile));
                    iocBuilder.RegisterAssemblyTypes(assembly).AsImplementedInterfaces();
                    info.LoadMessage += assembly.FullName + ";";
                }
            }

            if (string.IsNullOrEmpty(info.LoadMessage))
            {
                info.LoadMessage = "未加载到任何插件!";
            }
            else
            {
                info.LoadMessage = "加载插件：" + info.LoadMessage;
            }

            container = iocBuilder.Build();

            return info;
        }

        /// <summary>
        /// 获取 某个配置值
        /// </summary>
        /// <param name="groupName"></param>
        /// <param name="key"></param>
        /// <returns></returns>
        public  string GetConfigValue(string groupName,string key)
        {
           return configService.GetValue(groupName, key);
        }
        public void SetConfigValue(string groupName, string key,string value,string remark)
        {
            configService.AddDataIfNotExists(groupName, key, value,"string", remark,true);
            configService.SaveChanges();
        }

        private static void CopyPluginFiles(string srcDirPath, string destDirPath, int depth = 0)
        {
            var srcDir = new DirectoryInfo(srcDirPath);
            var srcDirs = srcDir.GetDirectories();

            if (!Directory.Exists(destDirPath))
            {
                Directory.CreateDirectory(destDirPath);
            }

            var srcFiles = srcDir.GetFiles();

            foreach (FileInfo file in srcFiles)
            {
                if (depth == 0 && !file.Name.StartsWith("YLErp.Plugins.", StringComparison.OrdinalIgnoreCase))
                {
                    continue;
                }
                string destFile = Path.Combine(destDirPath, file.Name);
                file.CopyTo(destFile, true);
            }

            foreach (DirectoryInfo subdir in srcDirs)
            {
                string destDir = Path.Combine(destDirPath, subdir.Name);
                CopyPluginFiles(subdir.FullName, destDir, depth + 1);
            }
        }

        /// <summary>
        /// 内部数据访问类
        /// </summary>
        class InnerAppConfigService : YLBaseService
        {
            Dictionary<string, AppConfig> configDic;

            public InnerAppConfigService() : base(OptUserInfo.SystemUser)
            {

            }

            public Dictionary<string, AppConfig> ConfigDic
            {
                get
                {
                    configDic ??= DbContext.AppConfig.ToDictionary(n => GetDicKey(n.PGroup, n.PName), StringComparer.OrdinalIgnoreCase);
                    return configDic;
                }
            }

            /// <summary>
            /// 获取所有数据
            /// </summary>
            public IEnumerable<AppConfig> GetAllDatas()
            {
                return ConfigDic.Values;
            }

            /// <summary>
            /// 获取数据
            /// </summary>
            public AppConfig GetData(string group, string name)
            {
                return ConfigDic.TryGetValue(GetDicKey(group, name), out AppConfig appConfig) ? appConfig : null;
            }

            /// <summary>
            /// 获取数据
            /// </summary>
            public string GetValue(string group, string name)
            {
                return ConfigDic.TryGetValue(GetDicKey(group, name), out AppConfig appConfig) ? appConfig?.PValue : null;
            }

            /// <summary>
            /// 添加配置数据
            /// </summary>
            public void AddData(AppConfig item)
            {
                if (string.IsNullOrWhiteSpace(item.PGroup))
                {
                    throw new ArgumentNullException("item.PGroup");
                }
                if (string.IsNullOrWhiteSpace(item.PName))
                {
                    throw new ArgumentNullException("item.PName");
                }

                item.PGroup = item.PGroup.Trim();
                item.PName = item.PName.Trim();
                var key = GetDicKey(item.PGroup, item.PName);
                if (ConfigDic.ContainsKey(key))
                {
                    throw new ArgumentException("已存在相同主键的数据");
                }
                DbContext.AppConfig.Add(item);
                ConfigDic.Add(key, item);
            }

            /// <summary>
            /// 删除配置数据
            /// </summary>
            public AppConfig RemoveData(string group, string name)
            {
                if (string.IsNullOrWhiteSpace(group))
                {
                    throw new ArgumentNullException(nameof(group));
                }
                if (string.IsNullOrWhiteSpace(name))
                {
                    throw new ArgumentNullException(nameof(name));
                }
                var key = GetDicKey(group.Trim(), name.Trim());
                if (ConfigDic.TryGetValue(key, out AppConfig config))
                {
                    DbContext.AppConfig.Remove(config);
                    ConfigDic.Remove(key);
                    return config;
                }
                return null;
            }

            /// <summary>
            /// 更新配置数据
            /// </summary>
            public void UpdateData(string group, string name, string newRemark)
            {
                if (string.IsNullOrWhiteSpace(group))
                {
                    throw new ArgumentNullException(nameof(group));
                }
                if (string.IsNullOrWhiteSpace(name))
                {
                    throw new ArgumentNullException(nameof(name));
                }
                var key = GetDicKey(group.Trim(), name.Trim());
                if (ConfigDic.TryGetValue(key, out AppConfig config))
                {
                    config.Remark = newRemark;
                }
            }

            /// <summary>
            /// 更新配置数据(如果不存在则添加),
            /// oldItem需要PGroup和PName
            /// </summary>
            public void UpdateData(AppConfig oldItem, AppConfig newItem)
            {
                if (string.IsNullOrWhiteSpace(oldItem.PGroup))
                {
                    throw new ArgumentNullException("oldItem.PGroup");
                }
                if (string.IsNullOrWhiteSpace(oldItem.PName))
                {
                    throw new ArgumentNullException("oldItem.PName");
                }
                if (string.IsNullOrWhiteSpace(newItem.PGroup))
                {
                    throw new ArgumentNullException("newItem.PGroup");
                }
                if (string.IsNullOrWhiteSpace(newItem.PName))
                {
                    throw new ArgumentNullException("newItem.PName");
                }

                ObjectHelper.TrimPropertyValues(oldItem);
                ObjectHelper.TrimPropertyValues(newItem);

                var oldKey = GetDicKey(oldItem.PGroup, oldItem.PName);
                var newKey = GetDicKey(newItem.PGroup, newItem.PName);
                if (oldKey.Equals(newKey, StringComparison.OrdinalIgnoreCase) && configDic.TryGetValue(oldKey, out oldItem))
                {
                    UpdateChanges(oldItem, newItem);
                }
                else
                {
                    configDic.Remove(oldKey);
                    configDic[newKey] = newItem;
                    DbContext.AppConfig.Add(newItem);
                }
            }

            /// <summary>
            /// 如果不存在，则添加为新数据
            /// </summary>
            public bool AddDataIfNotExists(string pgroup, string pname, string pvalue, string ptype, string remark,bool modify=false)
            {
                if (string.IsNullOrWhiteSpace(pgroup))
                {
                    throw new ArgumentNullException(nameof(pgroup));
                }
                if (string.IsNullOrWhiteSpace(pname))
                {
                    throw new ArgumentNullException(nameof(pname));
                }
                pgroup = pgroup.Trim();
                pname = pname.Trim();
                var key = GetDicKey(pgroup, pname);
                var appConfig = new AppConfig
                {
                    PGroup = pgroup,
                    PName = pname,
                    PValue = pvalue,
                    PType = ptype,
                    Remark = remark,
                    CreateTime = DateTime.Now
                };
                if (!ConfigDic.ContainsKey(key))
                {
                   
                    DbContext.AppConfig.Add(appConfig);
                    ConfigDic.Add(key, appConfig);
                    return true;
                }
                if (modify)
                {
                    var oldAppconfig = ConfigDic[key];
                    UpdateChanges(oldAppconfig, appConfig);
                    ConfigDic[key] = appConfig;
                }
                return false;
            }

            [MethodImpl(MethodImplOptions.AggressiveInlining)]
            static string GetDicKey(string group, string name)
            {
                return string.Concat(group, "\t\f\t", name);
            }

            public void SaveChanges()
            {
                DbContext.SaveChanges();
            }
        }
    }
}