using Admin.Core.IRepository;
using Admin.Core.IService;
using Admin.Core.Model;
using Admin.Core.Model.Model_New;
using Castle.DynamicProxy.Generators.Emitters.SimpleAST;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq.Expressions;
using System.Threading.Tasks;

namespace Admin.Core.Service
{
    public class BaseServices<TEntity> : IBaseServices<TEntity> where TEntity : class, new()
    {

        //public IBaseRepository<TEntity> baseDal = new BaseRepository<TEntity>();
        public IBaseRepository<TEntity> BaseDal { get; set; }//通过在子类的构造函数中注入，这里是基类，不用构造函数

        public bool GetConnectionState()
        {
            return BaseDal.GetConnectionState();
        }
        /// <summary>
        /// 正序查询第一条数据
        /// </summary>
        /// <returns></returns>
        public async Task<TEntity> FirstAsync()
        {
            if (BaseDal.GetConnectionState() == false) return null;
            return await BaseDal.FirstAsync();
        }
        /// <summary>
        /// 根据条件查询查询第一条数据
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        public async Task<TEntity> FirstAsync(Expression<Func<TEntity, bool>> whereExpression)
        {
            if (BaseDal.GetConnectionState() == false) return null;
            return await BaseDal.FirstAsync(whereExpression);
        }


        public async Task<TEntity> QueryByIdAsync(object objId)
        {
            if (BaseDal.GetConnectionState() == false) return null;
            return await BaseDal.QueryByIdAsync(objId);
        }
        /// <summary>
        /// 功能描述:根据ID查询一条数据
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="objId">id（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
        /// <param name="blnUseCache">是否使用缓存</param>
        /// <returns>数据实体</returns>
        public async Task<TEntity> QueryByIdAsync(object objId, bool blnUseCache = false)
        {
            if (BaseDal.GetConnectionState() == false) return null;
            return await BaseDal.QueryByIdAsync(objId, blnUseCache);
        }

        /// <summary>
        /// 功能描述:根据ID查询数据
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="lstIds">id列表（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
        /// <returns>数据实体列表</returns>
        public async Task<List<TEntity>> QueryByIDsAsync(object[] lstIds)
        {
            if (BaseDal.GetConnectionState() == false) return null;
            return await BaseDal.QueryByIDsAsync(lstIds);
        }

        /// <summary>
        /// 写入实体数据
        /// </summary>
        /// <param name="entity">实体类</param>
        /// <returns></returns>
        public async Task<int> AddAsync(TEntity entity)
        {
            return await BaseDal.AddAsync(entity);
        }

        /// <summary>
        /// 批量插入实体(速度快)
        /// </summary>
        /// <param name="listEntity">实体集合</param>
        /// <returns>影响行数</returns>
        public async Task<int> AddAsync(List<TEntity> listEntity)
        {
            return await BaseDal.AddAsync(listEntity);
        }

        /// <summary>
        /// 更新实体数据
        /// </summary>
        /// <param name="entity">实体类</param>
        /// <returns></returns>
        public async Task<bool> UpdateAsync(TEntity entity)
        {
            return await BaseDal.UpdateAsync(entity);
        }
        public async Task<bool> UpdateAsync(TEntity entity, string strWhere)
        {
            return await BaseDal.UpdateAsync(entity, strWhere);
        }
        public async Task<bool> UpdateAsync(object operateAnonymousObjects)
        {
            return await BaseDal.UpdateAsync(operateAnonymousObjects);
        }

        public async Task<bool> UpdateAsync(
         TEntity entity,
         List<string> lstColumns = null,
         List<string> lstIgnoreColumns = null,
         string strWhere = ""
            )
        {
            return await BaseDal.UpdateAsync(entity, lstColumns, lstIgnoreColumns, strWhere);
        }


        /// <summary>
        /// 根据实体删除一条数据
        /// </summary>
        /// <param name="entity">实体类</param>
        /// <returns></returns>
        public async Task<bool> DeleteAsync(TEntity entity)
        {
            return await BaseDal.DeleteAsync(entity);
        }

        /// <summary>
        /// 删除指定ID的数据
        /// </summary>
        /// <param name="id">主键ID</param>
        /// <returns></returns>
        public async Task<bool> DeleteByIdAsync(object id)
        {
            return await BaseDal.DeleteByIdAsync(id);
        }

        /// <summary>
        /// 删除指定ID集合的数据(批量删除)
        /// </summary>
        /// <param name="ids">主键ID集合</param>
        /// <returns></returns>
        public async Task<bool> DeletesAsync(List<TEntity> entitys)
        {
            return await BaseDal.DeletesAsync(entitys);
        }



        /// <summary>
        /// 功能描述:查询所有数据
        /// 作　　者:Admin.Core
        /// </summary>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync()
        {
            return await BaseDal.QueryAsync();
        }

        /// <summary>
        /// 功能描述:查询数据列表
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="strWhere">条件</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(string strWhere)
        {
            return await BaseDal.QueryAsync(strWhere);
        }

        /// <summary>
        /// 功能描述:查询数据列表
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="whereExpression">whereExpression</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression)
        {
            return await BaseDal.QueryAsync(whereExpression);
        }

        /// <summary>
        /// 功能描述:按照特定列查询数据列表
        /// 作　　者:Admin.Core
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="expression"></param>
        /// <returns></returns>
        public async Task<List<TResult>> QueryAsync<TResult>(Expression<Func<TEntity, TResult>> expression)
        {
            return await BaseDal.QueryAsync(expression);
        }

        /// <summary>
        /// 功能描述:按照特定列查询数据列表带条件排序
        /// 作　　者:Admin.Core
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="whereExpression">过滤条件</param>
        /// <param name="expression">查询实体条件</param>
        /// <param name="strOrderByFileds">排序条件</param>
        /// <returns></returns>
        public async Task<List<TResult>> QueryAsync<TResult>(Expression<Func<TEntity, TResult>> expression, Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
        {
            return await BaseDal.QueryAsync(expression, whereExpression, strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:查询一个列表
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="whereExpression">条件表达式</param>
        /// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression, bool isAsc = true)
        {
            return await BaseDal.QueryAsync(whereExpression, orderByExpression, isAsc);
        }

        public async Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression, string strOrderByFileds)
        {
            return await BaseDal.QueryAsync(whereExpression, strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:查询一个列表
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="strWhere">条件</param>
        /// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(string strWhere, string strOrderByFileds)
        {
            return await BaseDal.QueryAsync(strWhere, strOrderByFileds);
        }

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

        }

        /// <summary>
        /// 执行sql语句
        /// </summary>
        /// <param name="strSql">完整的sql语句</param>
        /// <param name="parameters">参数</param>
        /// <returns>泛型集合</returns>
        public async Task<int> ExecSqlAsync(string strSql, SugarParameter[] parameters = null)
        {
            return await BaseDal.ExecSqlAsync(strSql, parameters);
        }

        /// <summary>
        /// 根据sql语句查询
        /// </summary>
        /// <param name="strSql">完整的sql语句</param>
        /// <param name="parameters">参数</param>
        /// <returns>DataTable</returns>
        public async Task<DataTable> QueryTableAsync(string strSql, SugarParameter[] parameters = null)
        {
            return await BaseDal.QueryTableAsync(strSql, parameters);

        }
        /// <summary>
        /// 功能描述:查询前N条数据
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="whereExpression">条件表达式</param>
        /// <param name="intTop">前N条</param>
        /// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(Expression<Func<TEntity, bool>> whereExpression, int intTop, string strOrderByFileds)
        {
            return await BaseDal.QueryAsync(whereExpression, intTop, strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:查询前N条数据
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="strWhere">条件</param>
        /// <param name="intTop">前N条</param>
        /// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(
            string strWhere,
            int intTop,
            string strOrderByFileds)
        {
            return await BaseDal.QueryAsync(strWhere, intTop, strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:分页查询
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="whereExpression">条件表达式</param>
        /// <param name="intPageIndex">页码（下标0）</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(
            Expression<Func<TEntity, bool>> whereExpression,
            int intPageIndex,
            int intPageSize,
            string strOrderByFileds)
        {
            return await BaseDal.QueryAsync(
              whereExpression,
              intPageIndex,
              intPageSize,
              strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:分页查询
        /// 作　　者:Admin.Core
        /// </summary>
        /// <param name="strWhere">条件</param>
        /// <param name="intPageIndex">页码（下标0）</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> QueryAsync(
          string strWhere,
          int intPageIndex,
          int intPageSize,
          string strOrderByFileds)
        {
            return await BaseDal.QueryAsync(
            strWhere,
            intPageIndex,
            intPageSize,
            strOrderByFileds);
        }

        public async Task<PageModel<TEntity>> QueryPageAsync(Expression<Func<TEntity, bool>> whereExpression,
        int intPageIndex = 1, int intPageSize = 20, string strOrderByFileds = null)
        {
            return await BaseDal.QueryPageAsync(whereExpression,
         intPageIndex, intPageSize, strOrderByFileds);
        }

        public async Task<List<TResult>> QueryMuchAsync<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()
        {
            return await BaseDal.QueryMuchAsync(joinExpression, selectExpression, whereLambda);
        }


        /// <summary>
        /// 同步
        /// </summary>
        /// <param name="whereExpression"></param>
        /// <returns></returns>
        
        public List<TEntity> Query(Expression<Func<TEntity, bool>> whereExpression)
        {
            return BaseDal.Query(whereExpression);
        }

    }

}