using jiajie.Model;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;

namespace jiajie.Repository
{
    public interface IBaseRepository<TEntity> where TEntity : class
    {
        /// <summary>
        /// SqlsugarClient实体
        /// </summary>
        ISqlSugarClient Db { get; }

        /// <summary>
        /// 实体集合
        /// </summary>
        ISugarQueryable<TEntity> Entities { get; }

        /// <summary>
        /// 原生 Ado 对象
        /// </summary>
        IAdo Ado { get; }

        IBaseRepository<NewEntity> ChangeRepository<NewEntity>() where NewEntity : class, new();

        /// <summary>
        /// 获取总数
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<int> CountAsync(Expression<Func<TEntity, bool>> whereExpression);

        /// <summary>
        /// 检查是否存在
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<bool> AnyAsync(Expression<Func<TEntity, bool>> whereExpression);

        /// <summary>
        /// 获取一个实体
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<TEntity> SingleAsync(Expression<Func<TEntity, bool>> whereExpression);

        /// <summary>
        /// 获取一个实体
        /// </summary>
        /// <param name="objId"></param>
        /// <returns></returns>
        Task<TEntity> SingleByIdAsync(object objId);

        /// <summary>
        /// 获取一个实体
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<TEntity> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> whereExpression);

        /// <summary>
        /// 获取一个实体 主键
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<TEntity> FirstOrDefaultByIdAsync(object id);

        /// <summary>
        /// 检查存在
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<bool> IsExistsByIdAsync(object id);

        /// <summary>
        /// 检查存在
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<bool> IsExistsAsync(Expression<Func<TEntity, bool>> whereExpression);


        /// <summary>
        /// 新增一条记录
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        Task<int> InsertAsync(TEntity entity);

        /// <summary>
        /// 新增多条记录
        /// </summary>
        /// <param name="entities"></param>
        /// <returns></returns>
        Task<int> InsertAsync(params TEntity[] entities);

        /// <summary>
        /// 新增多条记录
        /// </summary>
        /// <param name="entities"></param>
        /// <returns></returns>
        Task<int> InsertAsync(IEnumerable<TEntity> entities);

        /// <summary>
        /// 新增一条记录返回自增Id
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        Task<long> InsertReturnIdentityAsync(TEntity entity);

        /// <summary>
        /// 更新一条记录
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        Task<bool> UpdateAsync(TEntity entity);

        /// <summary>
        /// 无主键更新一条记录
        /// </summary>
        /// <param name="entity">更新的实体</param>
        /// <param name="columns">根据那些字段更新</param>
        /// <returns></returns>
        Task<bool> UpdateNoPrimaryKeyAsync(TEntity entity, Expression<Func<TEntity, object>> columns);

        /// <summary>
        /// 无主键更新多条记录
        /// </summary>
        /// <param name="entity">更新的实体</param>
        /// <param name="columns">根据那些字段更新</param>
        /// <returns></returns>
        Task<bool> UpdateNoPrimaryKeyAsync(List<TEntity> entitys, Expression<Func<TEntity, object>> columns);

        /// <summary>
        /// 更新多条记录
        /// </summary>
        /// <param name="entities"></param>
        /// <returns></returns>
        Task<bool> UpdateAsync(params TEntity[] entities);

        /// <summary>
        /// 更新多条记录
        /// </summary>
        /// <param name="entities"></param>
        /// <returns></returns>
        Task<bool> UpdateAsync(IEnumerable<TEntity> entities);

        /// <summary>
        /// 删除一条记录
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        Task<bool> DeleteAsync(TEntity entity);

        /// <summary>
        /// 删除一条记录
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        Task<bool> DeleteAsync(object key);

        /// <summary>
        /// 删除多条记录
        /// </summary>
        /// <param name="keys"></param>
        /// <returns></returns>
        Task<bool> DeleteAsync(params object[] keys);

        /// <summary>
        /// 自定义条件删除记录
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<bool> DeleteAsync(Expression<Func<TEntity, bool>> whereExpression);






        /// <summary>
        /// 通过主键查询
        /// </summary>
        /// <param name="lstIds"></param>
        /// <returns></returns>
        Task<List<TEntity>> QueryByIDsAsync(object[] lstIds);

        /// <summary>
        /// 获取列表
        /// </summary>
        /// <returns></returns>
        Task<List<TEntity>> QueryAsync();

        /// <summary>
        /// 获取列表
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression);

        /// <summary>
        /// 获取列表 带排序
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <param name="orderByFields"></param>
        /// <returns></returns>
        Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression, string orderByFields);

        /// <summary>
        /// 获取列表 带排序
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <param name="orderByExpression"></param>
        /// <param name="orderByType"></param>
        /// <returns></returns>
        Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression = null, OrderByType orderByType = OrderByType.Asc);

        /// <summary>
        /// 查询数据列表 带条件
        /// </summary>
        /// <param name="where">条件</param>
        /// <returns>数据列表</returns>
        Task<List<TEntity>> QueryAsync(string where);

        /// <summary>
        /// 查询数据列表 带条件 带排序
        /// </summary>
        /// <param name="where"></param>
        /// <param name="orderByFields"></param>
        /// <returns></returns>
        Task<List<TEntity>> QueryAsync(string where, string orderByFields);

        /// <summary>
        /// 查询数据列表 返回指定列
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="expression"></param>
        /// <returns></returns>
        Task<List<TResult>> QueryAsync<TResult>(Expression<Func<TEntity, TResult>> expression);

        /// <summary>
        /// 查询数据列表 返回指定列 带条件 带排序
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="expression"></param>
        /// <param name="whereExpression"></param>
        /// <param name="orderByFields"></param>
        /// <returns></returns>
        Task<List<TResult>> QueryAsync<TResult>(Expression<Func<TEntity, TResult>> expression, Expression<Func<TEntity, bool>> whereExpression, string orderByFields);

        /// <summary>
        /// 根据sql语句查询
        /// </summary>
        /// <param name="sql">完整的sql语句</param>
        /// <param name="parameters">参数</param>
        /// <returns>泛型集合</returns>
        Task<List<TEntity>> QuerySqlAsync(string sql, SugarParameter[] parameters = null);

        /// <summary>
        /// 分页查询数据列表
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <param name="orderByFields"></param>
        /// <returns></returns>
        Task<List<TEntity>> QueryAsync(
            Expression<Func<TEntity, bool>> whereExpression,
            int pageIndex,
            int pageSize,
            string orderByFields);

        /// <summary>
        /// 分页查询数据列表
        /// </summary>
        /// <param name="where"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <param name="orderByFields"></param>
        /// <returns></returns>
        Task<List<TEntity>> QueryAsync(
            string where,
            int pageIndex,
            int pageSize,
            string orderByFields);

        /// <summary>
        /// 分页查询数据列表
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <param name="orderByFields"></param>
        /// <returns></returns>
        Task<PageModel<TEntity>> QueryPageAsync(
            Expression<Func<TEntity, bool>> whereExpression,
            int pageIndex = 1,
            int pageSize = 20,
            string orderByFields = null
            );

        /// <summary> 
        ///查询-多表查询
        /// </summary> 
        /// <typeparam name="T">实体1</typeparam> 
        /// <typeparam name="T2">实体2</typeparam> 
        /// <typeparam name="T3">实体3</typeparam>
        /// <typeparam name="TResult">返回对象</typeparam>
        /// <param name="joinExpression">关联表达式 (join1,join2) => new object[] {JoinType.Left,join1.UserNo==join2.UserNo}</param> 
        /// <param name="selectExpression">返回表达式 (s1, s2) => new { Id =s1.UserNo, Id1 = s2.UserNo}</param>
        /// <param name="whereLambda">查询表达式 (w1, w2) =>w1.UserNo == "")</param> 
        /// <returns>值</returns>
        Task<List<TResult>> QueryMuch<T, T2, T3, TResult>(
            Expression<Func<T, T2, T3, object[]>> joinExpression,
            Expression<Func<T, T2, T3, TResult>> selectExpression,
            Expression<Func<T, T2, T3, bool>> whereLambda = null) where T : class, new();

        /// <summary>
        /// 两表联合查询-分页
        /// </summary>
        /// <typeparam name="T">实体1</typeparam>
        /// <typeparam name="T2">实体1</typeparam>
        /// <typeparam name="TResult">返回对象</typeparam>
        /// <param name="joinExpression">关联表达式</param>
        /// <param name="selectExpression">返回表达式</param>
        /// <param name="whereExpression">查询表达式</param>
        /// <param name="pageIndex">页码</param>
        /// <param name="pageSize">页大小</param>
        /// <param name="orderByFields">排序字段</param>
        /// <returns></returns>
        Task<PageModel<TResult>> QueryTabsPage<T, T2, TResult>(
            Expression<Func<T, T2, object[]>> joinExpression,
            Expression<Func<T, T2, TResult>> selectExpression,
            Expression<Func<TResult, bool>> whereExpression,
            int pageIndex = 1,
            int pageSize = 20,
            string orderByFields = null);


        /// <summary>
        /// 两表联合查询-分页-分组
        /// </summary>
        /// <typeparam name="T">实体1</typeparam>
        /// <typeparam name="T2">实体1</typeparam>
        /// <typeparam name="TResult">返回对象</typeparam>
        /// <param name="joinExpression">关联表达式</param>
        /// <param name="selectExpression">返回表达式</param>
        /// <param name="whereExpression">查询表达式</param>
        /// <param name="groupExpression">group表达式</param>
        /// <param name="pageIndex">页码</param>
        /// <param name="pageSize">页大小</param>
        /// <param name="orderByFields">排序字段</param>
        /// <returns></returns>
        Task<PageModel<TResult>> QueryTabsPage<T, T2, TResult>(
            Expression<Func<T, T2, object[]>> joinExpression,
            Expression<Func<T, T2, TResult>> selectExpression,
            Expression<Func<TResult, bool>> whereExpression,
            Expression<Func<T, object>> groupExpression,
            int pageIndex = 1,
            int pageSize = 20,
            string orderByFields = null);

    }
}