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//
// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证

using MapsterMapper;

namespace Admin.NET.Core;

public static class RepositoryExtension
{
    /// <summary>
    /// 实体假删除 _rep.FakeDelete(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static int FakeDelete<T>(this ISugarRepository repository, T entity) where T : EntityBase, new()
    {
        return repository.Context.FakeDelete(entity);
    }

    /// <summary>
    /// 实体假删除 db.FakeDelete(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static int FakeDelete<T>(this ISqlSugarClient db, T entity) where T : EntityBase, new()
    {
        return db.Updateable(entity).AS().ReSetValue(x => { x.IsDelete = true; })
            .IgnoreColumns(ignoreAllNullColumns: true)
            .EnableDiffLogEvent()   // 记录差异日志
            .UpdateColumns(x => new { x.IsDelete, x.UpdateTime, x.UpdateUserId })  // 允许更新的字段-AOP拦截自动设置UpdateTime、UpdateUserId
            .ExecuteCommand();
    }

    /// <summary>
    /// 实体集合批量假删除 _rep.FakeDelete(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static int FakeDelete<T>(this ISugarRepository repository, List<T> entity) where T : EntityBase, new()
    {
        return repository.Context.FakeDelete(entity);
    }

    /// <summary>
    /// 实体集合批量假删除 db.FakeDelete(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static int FakeDelete<T>(this ISqlSugarClient db, List<T> entity) where T : EntityBase, new()
    {
        return db.Updateable(entity).AS().ReSetValue(x => { x.IsDelete = true; })
            .IgnoreColumns(ignoreAllNullColumns: true)
            .EnableDiffLogEvent()   // 记录差异日志
            .UpdateColumns(x => new { x.IsDelete, x.UpdateTime, x.UpdateUserId })  // 允许更新的字段-AOP拦截自动设置UpdateTime、UpdateUserId
            .ExecuteCommand();
    }

    /// <summary>
    /// 实体假删除异步 _rep.FakeDeleteAsync(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static Task<int> FakeDeleteAsync<T>(this ISugarRepository repository, T entity) where T : EntityBase, new()
    {
        return repository.Context.FakeDeleteAsync(entity);
    }

    /// <summary>
    /// 实体假删除 db.FakeDelete(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static Task<int> FakeDeleteAsync<T>(this ISqlSugarClient db, T entity) where T : EntityBase, new()
    {
        return db.Updateable(entity).AS().ReSetValue(x => { x.IsDelete = true; })
            .IgnoreColumns(ignoreAllNullColumns: true)
            .EnableDiffLogEvent()   // 记录差异日志
            .UpdateColumns(x => new { x.IsDelete, x.UpdateTime, x.UpdateUserId })  // 允许更新的字段-AOP拦截自动设置UpdateTime、UpdateUserId
            .ExecuteCommandAsync();
    }

    /// <summary>
    /// 实体集合批量假删除异步 _rep.FakeDeleteAsync(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static Task<int> FakeDeleteAsync<T>(this ISugarRepository repository, List<T> entity) where T : EntityBase, new()
    {
        return repository.Context.FakeDeleteAsync(entity);
    }

    /// <summary>
    /// 实体集合批量假删除 db.FakeDelete(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static Task<int> FakeDeleteAsync<T>(this ISqlSugarClient db, List<T> entity) where T : EntityBase, new()
    {
        return db.Updateable(entity).AS().ReSetValue(x => { x.IsDelete = true; })
            .IgnoreColumns(ignoreAllNullColumns: true)
            .EnableDiffLogEvent()   // 记录差异日志
            .UpdateColumns(x => new { x.IsDelete, x.UpdateTime, x.UpdateUserId })  // 允许更新的字段-AOP拦截自动设置UpdateTime、UpdateUserId
            .ExecuteCommandAsync();
    }

    /// <summary>
    /// 排序方式(默认降序)
    /// </summary>
    /// <param name="queryable"></param>
    /// <param name="pageInput"> </param>
    /// <param name="prefix"> </param>
    /// <param name="defaultSortField"> 默认排序字段 </param>
    /// <param name="descSort"> 是否降序 </param>
    /// <returns> </returns>
    public static ISugarQueryable<T> OrderBuilder<T>(this ISugarQueryable<T> queryable, BasePageInput pageInput, string prefix = "", string defaultSortField = "Id", bool descSort = true)
    {
        // 约定默认每张表都有Id排序
        var orderStr = string.IsNullOrWhiteSpace(defaultSortField) ? "" : $"{prefix}{defaultSortField}" + (descSort ? " Desc" : " Asc");

        TypeAdapterConfig typeAdapterConfig = new();
        typeAdapterConfig.ForType<T, BasePageInput>().IgnoreNullValues(true);
        Mapper mapper = new(typeAdapterConfig); // 务必将mapper设为单实例
        var nowPagerInput = mapper.Map<BasePageInput>(pageInput);
        // 排序是否可用-排序字段和排序顺序都为非空才启用排序
        if (!string.IsNullOrEmpty(nowPagerInput.Field) && !string.IsNullOrEmpty(nowPagerInput.Order))
        {
            var col = queryable.Context.EntityMaintenance.GetEntityInfo<T>().Columns.FirstOrDefault(u => u.PropertyName.Equals(nowPagerInput.Field, StringComparison.CurrentCultureIgnoreCase));
            orderStr = col != null
                ? $"{prefix}{col.DbColumnName} {(nowPagerInput.Order == nowPagerInput.DescStr ? "Desc" : "Asc")}"
                : $"{prefix}{nowPagerInput.Field} {(nowPagerInput.Order == nowPagerInput.DescStr ? "Desc" : "Asc")}";
        }
        return queryable.OrderByIF(!string.IsNullOrWhiteSpace(orderStr), orderStr);
    }

    /// <summary>
    /// 排序方式(默认降序)
    /// </summary>
    /// <param name="queryable"></param>
    /// <returns> </returns>
    public static ISugarQueryable<T> ToReverse<T>(this ISugarQueryable<T> queryable)
    {       
        return queryable.OrderByIF(false, null);
    }

    /// <summary>
    /// 更新实体并记录差异日志 _rep.UpdateWithDiffLog(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <param name="ignoreAllNullColumns"></param>
    /// <returns></returns>
    public static int UpdateWithDiffLog<T>(this ISugarRepository repository, T entity, bool ignoreAllNullColumns = true) where T : EntityBase, new()
    {
        return repository.Context.UpdateWithDiffLog(entity, ignoreAllNullColumns);
    }

    /// <summary>
    /// 更新实体并记录差异日志 _rep.UpdateWithDiffLog(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <param name="ignoreAllNullColumns"></param>
    /// <returns></returns>
    public static int UpdateWithDiffLog<T>(this ISqlSugarClient db, T entity, bool ignoreAllNullColumns = true) where T : EntityBase, new()
    {
        return db.Updateable(entity).AS()
            .IgnoreColumns(ignoreAllNullColumns: ignoreAllNullColumns)
            .EnableDiffLogEvent()
            .ExecuteCommand();
    }

    /// <summary>
    /// 更新实体并记录差异日志 _rep.UpdateWithDiffLogAsync(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <param name="ignoreAllNullColumns"></param>
    /// <returns></returns>
    public static Task<int> UpdateWithDiffLogAsync<T>(this ISugarRepository repository, T entity, bool ignoreAllNullColumns = true) where T : EntityBase, new()
    {
        return repository.Context.UpdateWithDiffLogAsync(entity, ignoreAllNullColumns);
    }

    /// <summary>
    /// 更新实体并记录差异日志 _rep.UpdateWithDiffLogAsync(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <param name="ignoreAllNullColumns"></param>
    /// <returns></returns>
    public static Task<int> UpdateWithDiffLogAsync<T>(this ISqlSugarClient db, T entity, bool ignoreAllNullColumns = true) where T : EntityBase, new()
    {
        return db.Updateable(entity)
            .IgnoreColumns(ignoreAllNullColumns: ignoreAllNullColumns)
            .EnableDiffLogEvent()
            .ExecuteCommandAsync();
    }

    /// <summary>
    /// 新增实体并记录差异日志 _rep.InsertWithDiffLog(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static int InsertWithDiffLog<T>(this ISugarRepository repository, T entity) where T : EntityBase, new()
    {
        return repository.Context.InsertWithDiffLog(entity);
    }

    /// <summary>
    /// 新增实体并记录差异日志 _rep.InsertWithDiffLog(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static int InsertWithDiffLog<T>(this ISqlSugarClient db, T entity) where T : EntityBase, new()
    {
        return db.Insertable(entity).AS().EnableDiffLogEvent().ExecuteCommand();
    }

    /// <summary>
    /// 新增实体并记录差异日志 _rep.InsertWithDiffLogAsync(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="repository"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static Task<int> InsertWithDiffLogAsync<T>(this ISugarRepository repository, T entity) where T : EntityBase, new()
    {
        return repository.Context.InsertWithDiffLogAsync(entity);
    }

    /// <summary>
    /// 新增实体并记录差异日志 _rep.InsertWithDiffLog(entity)
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    public static Task<int> InsertWithDiffLogAsync<T>(this ISqlSugarClient db, T entity) where T : EntityBase, new()
    {
        return db.Insertable(entity).AS().EnableDiffLogEvent().ExecuteCommandAsync();
    }

    /// <summary>
    /// 多库查询
    /// </summary>
    /// <param name="queryable"></param>
    /// <returns> </returns>
    public static ISugarQueryable<T> AS<T>(this ISugarQueryable<T> queryable)
    {
        var info = GetTableInfo<T>();
        return queryable.AS<T>($"{info.Item1}.{info.Item2}");
    }

    /// <summary>
    /// 多库查询
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <typeparam name="T2"></typeparam>
    /// <param name="queryable"></param>
    /// <returns></returns>
    public static ISugarQueryable<T, T2> AS<T, T2>(this ISugarQueryable<T, T2> queryable)
    {
        var info = GetTableInfo<T2>();
        return queryable.AS<T2>($"{info.Item1}.{info.Item2}");
    }

    /// <summary>
    /// 多库更新
    /// </summary>
    /// <param name="updateable"></param>
    /// <returns> </returns>
    public static IUpdateable<T> AS<T>(this IUpdateable<T> updateable) where T : EntityBase, new()
    {
        var info = GetTableInfo<T>();
        return updateable.AS($"{info.Item1}.{info.Item2}");
    }

    /// <summary>
    /// 多库新增
    /// </summary>
    /// <param name="insertable"></param>
    /// <returns> </returns>
    public static IInsertable<T> AS<T>(this IInsertable<T> insertable) where T : EntityBase, new()
    {
        var info = GetTableInfo<T>();
        return insertable.AS($"{info.Item1}.{info.Item2}");
    }

    /// <summary>
    /// 多库删除
    /// </summary>
    /// <param name="deleteable"></param>
    /// <returns> </returns>
    public static IDeleteable<T> AS<T>(this IDeleteable<T> deleteable) where T : EntityBase, new()
    {
        var info = GetTableInfo<T>();
        return deleteable.AS($"{info.Item1}.{info.Item2}");
    }

    /// <summary>
    /// 根据实体类型获取表信息
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <returns></returns>
    private static Tuple<string, string> GetTableInfo<T>()
    {
        var entityType = typeof(T);
        var attr = entityType.GetCustomAttribute<TenantAttribute>();
        var configId = attr == null ? SqlSugarConst.MainConfigId : attr.configId.ToString();
        var tableName = entityType.GetCustomAttribute<SugarTable>().TableName;
        return new Tuple<string, string>(configId, tableName);
    }

    /// <summary>
    /// 禁用过滤器-适用于更新和删除操作（只对当前请求有效，禁止使用异步）
    /// </summary>
    /// <param name="repository"></param>
    /// <param name="action">禁止异步</param>
    /// <returns></returns>
    public static void RunWithoutFilter(this ISugarRepository repository, Action action)
    {
        repository.Context.QueryFilter.ClearAndBackup(); // 清空并备份过滤器
        action.Invoke();
        repository.Context.QueryFilter.Restore(); // 还原过滤器

        // 用例
        //_rep.RunWithoutFilter(() =>
        //{
        //    执行更新或者删除
        //    禁止使用异步函数
        //});
    }

    /// <summary>
    /// 忽略租户
    /// </summary>
    /// <param name="queryable"></param>
    /// <param name="ignore">是否忽略 默认true</param>
    /// <returns> </returns>
    public static ISugarQueryable<T> IgnoreTenant<T>(this ISugarQueryable<T> queryable, bool ignore = true)
    {
        return ignore ? queryable.ClearFilter<ITenantIdFilter>() : queryable;
    }

    /// <summary>
    /// 导航+子表过滤 创建一个扩展函数，默认是Class不支持Where
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="thisValue"></param>
    /// <param name="whereExpression"></param>
    /// <returns></returns>
    public static List<T> Where<T>(this T thisValue, Func<T, bool> whereExpression) where T : class, new()
    {
        return new List<T>() { thisValue };
    }

    /// <summary>
    /// 导航+子表过滤 创建一个扩展函数，默认是Class不支持WhereIF
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="thisValue"></param>
    /// <param name="isWhere"></param>
    /// <param name="whereExpression"></param>
    /// <returns></returns>
    public static List<T> WhereIF<T>(this T thisValue, bool isWhere, Func<T, bool> whereExpression) where T : class, new()
    {
        if (!isWhere)
        {
            return new List<T>() { thisValue };
        }
        return new List<T>() { thisValue };
    }
}