namespace Admin.NET.Core;

public static class SqlSugarSetup
{
    /// <summary>
    /// SqlSugar 上下文初始化
    /// </summary>
    /// <param name="services"></param>
    public static void AddSqlSugar(this IServiceCollection services)
    {
        var dbOptions = App.GetOptions<DbConnectionOptions>();
        dbOptions.ConnectionConfigs.ForEach(SetDbConfig);

        SqlSugarScope sqlSugar = new(dbOptions.ConnectionConfigs.Adapt<List<ConnectionConfig>>(), db =>
        {
            dbOptions.ConnectionConfigs.ForEach(config =>
            {
                var dbProvider = db.GetConnectionScope(config.ConfigId);
                SetDbAop(dbProvider);
                SetDbDiffLog(dbProvider, config);
            });
        });

        services.AddSingleton<ISqlSugarClient>(sqlSugar); // 单例注册
        services.AddScoped(typeof(SqlSugarRepository<>)); // 仓储注册
        services.AddUnitOfWork<SqlSugarUnitOfWork>(); // 事务与工作单元注册

        // 初始化数据库表结构及种子数据
        dbOptions.ConnectionConfigs.ForEach(config =>
        {
            InitDatabase(sqlSugar, config);
        });
    }

    /// <summary>
    /// 配置连接属性
    /// </summary>
    /// <param name="config"></param>
    private static void SetDbConfig(DbConnectionConfig config)
    {
        var configureExternalServices = new ConfigureExternalServices
        {
            EntityNameService = (type, entity) => // 处理表
            {
                if (config.EnableUnderLine && !entity.DbTableName.Contains('_'))
                    entity.DbTableName = UtilMethods.ToUnderLine(entity.DbTableName); // 驼峰转下划线
            },
            EntityService = (type, column) => // 处理列
            {
                if (new NullabilityInfoContext().Create(type).WriteState is NullabilityState.Nullable)
                    column.IsNullable = true;
                if (config.EnableUnderLine && !column.IsIgnore && !column.DbColumnName.Contains('_'))
                    column.DbColumnName = UtilMethods.ToUnderLine(column.DbColumnName); // 驼峰转下划线

                if (config.DbType == SqlSugar.DbType.Oracle)
                {
                    if (type.PropertyType == typeof(long) || type.PropertyType == typeof(long?))
                        column.DataType = "number(18)";
                    if (type.PropertyType == typeof(bool) || type.PropertyType == typeof(bool?))
                        column.DataType = "number(1)";
                }
            },
            DataInfoCacheService = new SqlSugarCache(),
        };
        config.ConfigureExternalServices = configureExternalServices;
        config.InitKeyType = InitKeyType.Attribute;
        config.IsAutoCloseConnection = true;
        config.MoreSettings = new ConnMoreSettings
        {
            IsAutoRemoveDataCache = true,
            IsAutoDeleteQueryFilter = true, // 启用删除查询过滤器
            IsAutoUpdateQueryFilter = true, // 启用更新查询过滤器
            SqlServerCodeFirstNvarchar = true // 采用Nvarchar
        };
    }

    /// <summary>
    /// 配置Aop
    /// </summary>
    /// <param name="db"></param>
    public static void SetDbAop(SqlSugarScopeProvider db)
    {
        var config = db.CurrentConnectionConfig;

        // 设置超时时间
        db.Ado.CommandTimeOut = 30;

        // 打印SQL语句
        db.Aop.OnLogExecuting = (sql, pars) =>
        {
            var originColor = Console.ForegroundColor;
            if (sql.StartsWith("SELECT", StringComparison.OrdinalIgnoreCase))
                Console.ForegroundColor = ConsoleColor.Green;
            if (sql.StartsWith("UPDATE", StringComparison.OrdinalIgnoreCase) || sql.StartsWith("INSERT", StringComparison.OrdinalIgnoreCase))
                Console.ForegroundColor = ConsoleColor.Yellow;
            if (sql.StartsWith("DELETE", StringComparison.OrdinalIgnoreCase))
                Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("【" + DateTime.Now + "——执行SQL】\r\n" + UtilMethods.GetSqlString(config.DbType, sql, pars) + "\r\n");
            Console.ForegroundColor = originColor;
            App.PrintToMiniProfiler("SqlSugar", "Info", sql + "\r\n" + db.Utilities.SerializeObject(pars.ToDictionary(it => it.ParameterName, it => it.Value)));
        };
        db.Aop.OnError = ex =>
        {
            if (ex.Parametres == null) return;
            var originColor = Console.ForegroundColor;
            Console.ForegroundColor = ConsoleColor.DarkRed;
            var pars = db.Utilities.SerializeObject(((SugarParameter[])ex.Parametres).ToDictionary(it => it.ParameterName, it => it.Value));
            Console.WriteLine("【" + DateTime.Now + "——错误SQL】\r\n" + UtilMethods.GetSqlString(config.DbType, ex.Sql, (SugarParameter[])ex.Parametres) + "\r\n");
            Console.ForegroundColor = originColor;
            App.PrintToMiniProfiler("SqlSugar", "Error", $"{ex.Message}{Environment.NewLine}{ex.Sql}{pars}{Environment.NewLine}");
        };

        // 数据审计
        db.Aop.DataExecuting = (oldValue, entityInfo) =>
        {
            // 演示环境判断
            if (entityInfo.EntityColumnInfo.IsPrimarykey)
            {
                if (entityInfo.EntityName != nameof(SysJobDetail) && entityInfo.EntityName != nameof(SysJobTrigger) &&
                    entityInfo.EntityName != nameof(SysLogOp) && entityInfo.EntityName != nameof(SysLogVis) &&
                    entityInfo.EntityName != nameof(SysOnlineUser))
                {
                    var isDemoEnv = App.GetService<SysConfigService>().GetConfigValue<bool>(CommonConst.SysDemoEnv).GetAwaiter().GetResult();
                    if (isDemoEnv)
                        throw Oops.Oh(ErrorCodeEnum.D1200);
                }
            }

            if (entityInfo.OperationType == DataFilterType.InsertByObject)
            {
                // 主键(long类型)且没有值的---赋值雪花Id
                if (entityInfo.EntityColumnInfo.IsPrimarykey && entityInfo.EntityColumnInfo.PropertyInfo.PropertyType == typeof(long))
                {
                    var id = entityInfo.EntityColumnInfo.PropertyInfo.GetValue(entityInfo.EntityValue);
                    if (id == null || (long)id == 0)
                        entityInfo.SetValue(YitIdHelper.NextId());
                }
                if (entityInfo.PropertyName == "CreateTime")
                    entityInfo.SetValue(DateTime.Now);
                if (App.User != null)
                {
                    if (entityInfo.PropertyName == "TenantId")
                    {
                        var tenantId = ((dynamic)entityInfo.EntityValue).TenantId;
                        if (tenantId == null || tenantId == 0)
                            entityInfo.SetValue(App.User.FindFirst(ClaimConst.TenantId)?.Value);
                    }
                    if (entityInfo.PropertyName == "CreateUserId")
                    {
                        var createUserId = ((dynamic)entityInfo.EntityValue).CreateUserId;
                        if (createUserId == 0 || createUserId == null)
                            entityInfo.SetValue(App.User.FindFirst(ClaimConst.UserId)?.Value);
                    }

                    if (entityInfo.PropertyName == "CreateOrgId")
                    {
                        var createOrgId = ((dynamic)entityInfo.EntityValue).CreateOrgId;
                        if (createOrgId == 0 || createOrgId == null)
                            entityInfo.SetValue(App.User.FindFirst(ClaimConst.OrgId)?.Value);
                    }
                }
            }
            if (entityInfo.OperationType == DataFilterType.UpdateByObject)
            {
                if (entityInfo.PropertyName == "UpdateTime")
                    entityInfo.SetValue(DateTime.Now);
                if (entityInfo.PropertyName == "UpdateUserId")
                    entityInfo.SetValue(App.User?.FindFirst(ClaimConst.UserId)?.Value);
            }
        };

        // 超管时排除各种过滤器
        if (App.User?.FindFirst(ClaimConst.AccountType)?.Value == ((int)AccountTypeEnum.SuperAdmin).ToString())
            return;

        // 配置实体假删除过滤器
        db.QueryFilter.AddTableFilter<IDeletedFilter>(u => u.IsDelete == false);
        // 配置租户过滤器
        var tenantId = App.User?.FindFirst(ClaimConst.TenantId)?.Value;
        if (!string.IsNullOrWhiteSpace(tenantId))
            db.QueryFilter.AddTableFilter<ITenantIdFilter>(u => u.TenantId == long.Parse(tenantId));

        // 配置用户机构（数据范围）过滤器
        SqlSugarFilter.SetOrgEntityFilter(db);
        // 配置自定义过滤器
        SqlSugarFilter.SetCustomEntityFilter(db);
    }

    /// <summary>
    /// 开启库表差异化日志
    /// </summary>
    /// <param name="db"></param>
    /// <param name="config"></param>
    private static void SetDbDiffLog(SqlSugarScopeProvider db, DbConnectionConfig config)
    {
        if (!config.EnableDiffLog) return;

        db.Aop.OnDiffLogEvent = async u =>
        {
            var logDiff = new SysLogDiff
            {
                // 操作后记录（字段描述、列名、值、表名、表描述）
                AfterData = JSON.Serialize(u.AfterData),
                // 操作前记录（字段描述、列名、值、表名、表描述）
                BeforeData = JSON.Serialize(u.BeforeData),
                // 传进来的对象
                BusinessData = JSON.Serialize(u.BusinessData),
                // 枚举（insert、update、delete）
                DiffType = u.DiffType.ToString(),
                Sql = UtilMethods.GetSqlString(config.DbType, u.Sql, u.Parameters),
                Parameters = JSON.Serialize(u.Parameters),
                Elapsed = u.Time == null ? 0 : (long)u.Time.Value.TotalMilliseconds
            };
            await db.Insertable(logDiff).ExecuteCommandAsync();
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine(DateTime.Now + $"\r\n*****差异日志开始*****\r\n{Environment.NewLine}{JSON.Serialize(logDiff)}{Environment.NewLine}*****差异日志结束*****\r\n");
        };
    }

    /// <summary>
    /// 初始化数据库
    /// </summary>
    /// <param name="db"></param>
    /// <param name="config"></param>
    private static void InitDatabase(SqlSugarScope db, DbConnectionConfig config)
    {
        if (!config.EnableInitDb) return;

        SqlSugarScopeProvider dbProvider = db.GetConnectionScope(config.ConfigId);

        // 创建数据库
        if (config.DbType != SqlSugar.DbType.Oracle)
            dbProvider.DbMaintenance.CreateDatabase();

        // 获取所有实体表-初始化表结构
        var entityTypes = App.EffectiveTypes.Where(u => !u.IsInterface && !u.IsAbstract && u.IsClass && u.IsDefined(typeof(SugarTable), false)).ToList();
        if (!entityTypes.Any()) return;
        foreach (var entityType in entityTypes)
        {
            var tAtt = entityType.GetCustomAttribute<TenantAttribute>();
            if (tAtt != null && tAtt.configId.ToString() != config.ConfigId) continue;
            if (tAtt == null && config.ConfigId != SqlSugarConst.ConfigId) continue;

            var splitTable = entityType.GetCustomAttribute<SplitTableAttribute>();
            if (splitTable == null)
                dbProvider.CodeFirst.InitTables(entityType);
            else
                dbProvider.CodeFirst.SplitTables().InitTables(entityType);
        }

        if (!config.EnableInitSeed) return;

        // 获取所有种子配置-初始化数据
        var seedDataTypes = App.EffectiveTypes.Where(u => !u.IsInterface && !u.IsAbstract && u.IsClass
            && u.GetInterfaces().Any(i => i.HasImplementedRawGeneric(typeof(ISqlSugarEntitySeedData<>)))).ToList();
        if (!seedDataTypes.Any()) return;
        foreach (var seedType in seedDataTypes)
        {
            var instance = Activator.CreateInstance(seedType);

            var hasDataMethod = seedType.GetMethod("HasData");
            var seedData = ((IEnumerable)hasDataMethod?.Invoke(instance, null))?.Cast<object>();
            if (seedData == null) continue;

            var entityType = seedType.GetInterfaces().First().GetGenericArguments().First();
            var tAtt = entityType.GetCustomAttribute<TenantAttribute>();
            if (tAtt != null && tAtt.configId.ToString() != config.ConfigId) continue;
            if (tAtt == null && config.ConfigId != SqlSugarConst.ConfigId) continue;

            var entityInfo = dbProvider.EntityMaintenance.GetEntityInfo(entityType);
            if (entityInfo.Columns.Any(u => u.IsPrimarykey))
            {
                // 按主键进行批量增加和更新
                var storage = dbProvider.StorageableByObject(seedData.ToList()).ToStorage();
                storage.AsInsertable.ExecuteCommand();
                var ignoreUpdate = hasDataMethod.GetCustomAttribute<IgnoreUpdateAttribute>();
                if (ignoreUpdate == null) storage.AsUpdateable.ExecuteCommand();
            }
            else
            {
                // 无主键则只进行插入
                if (!dbProvider.Queryable(entityInfo.DbTableName, entityInfo.DbTableName).Any())
                    dbProvider.InsertableByObject(seedData.ToList()).ExecuteCommand();
            }
        }
    }

    /// <summary>
    /// 初始化租户业务数据库
    /// </summary>
    /// <param name="iTenant"></param>
    /// <param name="config"></param>
    public static void InitTenantDatabase(ITenant iTenant, DbConnectionConfig config)
    {
        SetDbConfig(config);

        iTenant.AddConnection(config);
        var db = iTenant.GetConnectionScope(config.ConfigId);
        db.DbMaintenance.CreateDatabase();

        // 获取所有实体表-初始化租户业务表
        var entityTypes = App.EffectiveTypes.Where(u => !u.IsInterface && !u.IsAbstract && u.IsClass
            && u.IsDefined(typeof(SugarTable), false) && !u.IsDefined(typeof(SystemTableAttribute), false)).ToList();
        if (!entityTypes.Any()) return;
        foreach (var entityType in entityTypes)
        {
            var splitTable = entityType.GetCustomAttribute<SplitTableAttribute>();
            if (splitTable == null)
                db.CodeFirst.InitTables(entityType);
            else
                db.CodeFirst.SplitTables().InitTables(entityType);
        }
    }
}