using JiepeiWMS.IRepository.Base;
using JiepeiWMS.IServices.BASE;
using JiepeiWMS.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;
using JiepeiWMS.Common;

namespace JiepeiWMS.Services.BASE
{
    public class BaseServices<TEntity> : IBaseServices<TEntity> where TEntity : class, new()
    {
        //public IBaseRepository<TEntity> baseDal = new BaseRepository<TEntity>();
        public IBaseRepository<TEntity> BaseDal;//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 async Task<TEntity> QueryById(object objId)
        {
            return await BaseDal.QueryById(objId);
        }

        /// <summary>
        /// 返回一个模型
        /// </summary>
        /// <param name=""></param>
        /// <returns></returns>
        public async Task<TEntity> GetModel(Expression<Func<TEntity, bool>> where)
        {
            return await BaseDal.GetModel(where);

        }
        /// <summary>
        /// 功能描述:根据ID查询一条数据
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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> QueryById(object objId, bool blnUseCache = false)
        {
            return await BaseDal.QueryById(objId, blnUseCache);
        }

        /// <summary>
        /// 功能描述:根据ID查询数据
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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>> QueryByIDs(object[] lstIds)
        {
            return await BaseDal.QueryByIDs(lstIds);
        }

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

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

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


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

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



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

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

        /// <summary>
        /// 功能描述:查询数据列表
        /// 作　　者:AZLinli.JiepeiWMS
        /// </summary>
        /// <param name="whereExpression">whereExpression</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression)
        {
            return await BaseDal.Query(whereExpression);
        }
        /// <summary>
        /// 功能描述:查询一个列表
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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>> Query(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression, bool isAsc = true)
        {
            return await BaseDal.Query(whereExpression, orderByExpression, isAsc);
        }

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

        /// <summary>
        /// 功能描述:查询一个列表
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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>> Query(string strWhere, string strOrderByFileds)
        {
            return await BaseDal.Query(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>> QuerySql(string strSql, SugarParameter[] parameters = null)
        {
            return await BaseDal.QuerySql(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> QueryTable(string strSql, SugarParameter[] parameters = null)
        {
            return await BaseDal.QueryTable(strSql, parameters);

        }

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

        }
        /// <summary>
        /// 功能描述:查询前N条数据
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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>> Query(Expression<Func<TEntity, bool>> whereExpression, int intTop, string strOrderByFileds)
        {
            return await BaseDal.Query(whereExpression, intTop, strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:查询前N条数据
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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>> Query(
            string strWhere,
            int intTop,
            string strOrderByFileds)
        {
            return await BaseDal.Query(strWhere, intTop, strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:分页查询
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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="intTotalCount">数据总量</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>> Query(
            Expression<Func<TEntity, bool>> whereExpression,
            int intPageIndex,
            int intPageSize,
            string strOrderByFileds)
        {
            return await BaseDal.Query(
              whereExpression,
              intPageIndex,
              intPageSize,
              strOrderByFileds);
        }

        /// <summary>
        /// 功能描述:分页查询
        /// 作　　者:AZLinli.JiepeiWMS
        /// </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="intTotalCount">数据总量</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>> Query(
          string strWhere,
          int intPageIndex,
          int intPageSize,
          string strOrderByFileds)
        {
            return await BaseDal.Query(
            strWhere,
            intPageIndex,
            intPageSize,
            strOrderByFileds);
        }
        
        public async Task<PageModel<TEntity>> QueryPage(Expression<Func<TEntity, bool>> whereExpression,
            int intPageIndex = 1, int intPageSize = 20, string strOrderByFileds = null)
        {
            return await BaseDal.QueryPage(whereExpression,
         intPageIndex, intPageSize, strOrderByFileds);
        }

        #region 5表关联
        /// <summary>
        /// 五表联合查询-分页
        /// </summary>
        /// <typeparam name="T">实体1</typeparam>
        /// <typeparam name="T2">实体1</typeparam>
        /// <typeparam name="T3">实体1</typeparam>
        /// <typeparam name="T4">实体1</typeparam>
        /// <typeparam name="T5">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="intPageIndex">页码</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段</param>
        /// <returns></returns>
        public async Task<PageModel<TResult>> QueryPage<T, T2, T3, T4, T5, TResult>(
            Expression<Func<T, T2, T3, T4, T5, object[]>> joinExpression,
            Expression<Func<T, T2, T3, T4, T5, TResult>> selectExpression,
            Expression<Func<T, T2, T3, T4, T5, bool>> whereExpression,
            int intPageIndex = 1,
            int intPageSize = 20,
            string strOrderByFileds = null)
        {
            return await BaseDal.QueryPage(joinExpression, selectExpression, whereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }
        #endregion

        #region 6表关联
        /// <summary>
        /// 六表联合查询-分页
        /// </summary>
        /// <typeparam name="T">实体1</typeparam>
        /// <typeparam name="T2">实体1</typeparam>
        /// <typeparam name="T3">实体1</typeparam>
        /// <typeparam name="T4">实体1</typeparam>
        /// <typeparam name="T5">实体1</typeparam>
        /// <typeparam name="T6">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="intPageIndex">页码</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段</param>
        /// <returns></returns>
        public async Task<PageModel<TResult>> QueryPage<T, T2, T3, T4, T5, T6, TResult>(
            Expression<Func<T, T2, T3, T4, T5, T6, object[]>> JoinExpression,
            Expression<Func<T, T2, T3, T4, T5, T6, TResult>> SelectExpression,
            Expression<Func<T, T2, T3, T4, T5, T6, bool>> WhereExpression,
            int intPageIndex = 1,
            int intPageSize = 20,
            string strOrderByFileds = null)
        {
            return await BaseDal.QueryPage(JoinExpression, SelectExpression, WhereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }
        #endregion

        public async 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 intPageIndex = 1,
            int intPageSize = 20,
            string strOrderByFileds = null)
        {
            return await BaseDal.QueryTabsPage(joinExpression, selectExpression, whereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }
        /// <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="intPageIndex">页码</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段</param>
        /// <returns></returns>
        public async 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 intPageIndex = 1,
            int intPageSize = 20,
            string strOrderByFileds = null)
        {
            return await BaseDal.QueryTabsPage(joinExpression, selectExpression, whereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }
        /// <summary>
        ///  三表联合查询-分页
        /// </summary>
        /// <typeparam name="T">实体</typeparam>
        /// <typeparam name="T2">实体</typeparam>
        /// <typeparam name="T3">实体</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="intPageIndex">页码</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段</param>
        /// <returns></returns>
        public async Task<PageModel<TResult>> QueryTabsPage<T, T2, T3, TResult>(
               Expression<Func<T, T2, T3, object[]>> joinExpression,
               Expression<Func<T, T2, T3, TResult>> selectExpression,
               Expression<Func<TResult, bool>> whereExpression,
               int intPageIndex = 1,
               int intPageSize = 20,
               string strOrderByFileds = null)
        {
            return await BaseDal.QueryTabsPage(joinExpression, selectExpression, whereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }
        /// <summary>
        /// 四表联合查询-分页
        /// </summary>
        /// <typeparam name="T">实体1</typeparam>
        /// <typeparam name="T2">实体1</typeparam>
        /// <typeparam name="T3">实体1</typeparam>
        /// <typeparam name="T4">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="intPageIndex">页码</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段</param>
        /// <returns></returns>

        public async Task<PageModel<TResult>> QueryTabsPage<T, T2, T3, T4, TResult>(
            Expression<Func<T, T2, T3, T4, object[]>> joinExpression,
            Expression<Func<T, T2, T3, T4, TResult>> selectExpression,
            Expression<Func<TResult, bool>> whereExpression,
            int intPageIndex = 1,
            int intPageSize = 20,
            string strOrderByFileds = null)
        {
            return await BaseDal.QueryTabsPage(joinExpression, selectExpression, whereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }

        public async Task<PageModel<T>> QueryPage<T, T2>(Expression<Func<T, T2, object[]>> joinExpression,
            Expression<Func<T, T2, T>> selectExpression,
            Expression<Func<T, T2, bool>> whereExpression,
            int intPageIndex = 1, int intPageSize = 20, string strOrderByFileds = null) where T : class, new()
        {
            return await BaseDal.QueryPage<T, T2>(joinExpression, selectExpression, whereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }

        public async 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()
        {
            return await BaseDal.QueryMuch(joinExpression, selectExpression, whereLambda);
        }
        /// <summary>
        /// 五表联合查询-分页
        /// </summary>
        /// <typeparam name="T">实体1</typeparam>
        /// <typeparam name="T2">实体1</typeparam>
        /// <typeparam name="T3">实体1</typeparam>
        /// <typeparam name="T4">实体1</typeparam>
        /// <typeparam name="T5">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="intPageIndex">页码</param>
        /// <param name="intPageSize">页大小</param>
        /// <param name="strOrderByFileds">排序字段</param>
        /// <returns></returns>
        public async Task<PageModel<TResult>> QueryTabsPage<T, T2, T3, T4, T5, TResult>(
            Expression<Func<T, T2, T3, T4, T5, object[]>> joinExpression,
            Expression<Func<T, T2, T3, T4, T5, TResult>> selectExpression,
            Expression<Func<TResult, bool>> whereExpression,
            int intPageIndex = 1,
            int intPageSize = 20,
            string strOrderByFileds = null)
        {
            return await BaseDal.QueryTabsPage(joinExpression, selectExpression, whereExpression, intPageIndex, intPageSize, strOrderByFileds);
        }

        #region 戴雁冰sql扩展
        /// <summary>
        /// 获取替代In的连接语句
        /// </summary>
        /// <param name="FieldName">字段名</param>
        /// <param name="Values">值列表</param>
        /// <param name="Prefix">字段前缀（即表名）</param>
        /// <returns>替代In连接语句</returns>
        public static string GetWhereInToJoin(string FieldName, IEnumerable<decimal> Values, string Prefix = "pg.")
        {
            // inner join (select 'a' OrderNo union select 'b' union select 'c') OrderNo on pg.OrderNo=OrderNo.OrderNo
            var wh = new StringBuilder();
            wh.Append("inner join (");
            var isfirst = true;
            foreach (var val in Values)
            {
                if (isfirst)
                {
                    isfirst = false;
                    wh.Append("select " + val + " " + FieldName);
                }
                else
                {
                    wh.Append(" union select " + val + "");
                }
            }
            wh.Append(") " + FieldName + " on " + Prefix + FieldName + "=" + FieldName + "." + FieldName);
            return wh.ToString();
        }
        /// <summary>
        /// 更新关联表信息(存在则保留，不存在则新增，符合删除条件则删除，且FieldNames中未指定的字段必须为存在默认值)
        /// </summary>
        /// <param name="TableName">关联表表名</param>
        /// <param name="FieldNames">字段名列表,例如：[UserId(用户Id),RoleId(角色Id)...]</param>
        /// <param name="Values">值列表:[{UserId:1,RoleId:2,...},{UserId:1,RoleId:3,...},{UserId:1,RoleId:5,...}]</param>
        /// <param name="DelWhereFieldNames">字段名列表,例如：[UserId(用户Id)...]</param>
        /// <param name="DelWhereValues">值列表:[{UserId:1,...},{UserId:2,...}]</param>
        /// <returns>错误信息，空则成功</returns>
        public string UpdateJoinInfo(string TableName, IList<string> FieldNames, IList<object> Values, IList<string> DelWhereFieldNames = null, IList<object> DelWhereValues = null)
        {
            var dal = BaseDal;

            //删除原数据
            if (DelWhereFieldNames != null && DelWhereValues != null)
            {
                foreach (var row in DelWhereValues)
                {
                    var refobj = row._GetRefObj();
                    var prms = new List<SugarParameter>();
                    var sb = new StringBuilder();
                    foreach (var name in DelWhereFieldNames)
                    {
                        sb.Append(name + "=@" + name + " and ");
                        var obj = refobj.GetAttr(name, true);
                        if (obj == null) { sb.Clear(); break; }
                        prms.Add(new SugarParameter(name, obj));
                    }
                    if (sb.Length == 0) continue;
                    dal.ExecuteSqlCommand("delete [" + TableName + "] where " + sb.ToString(0, sb.Length - 5), prms.ToArray());
                }
            }
            //添加更新数据
            if (FieldNames != null && Values != null)
            {
                foreach (var row in Values)
                {
                    var refobj = row._GetRefObj();
                    var prms = new List<SugarParameter>();
                    var sb = new StringBuilder();
                    foreach (var name in FieldNames)
                    {
                        sb.Append(name + "=@" + name + " and ");
                        var obj = refobj.GetAttr(name, true);
                        if (obj == null) { sb.Clear(); break; }
                        prms.Add(new SugarParameter(name, obj));
                    }
                    if (sb.Length == 0) continue;
                    var arrprms = prms.ToArray();
                    var count = dal.ExecuteSqlCommand("select 1 from [" + TableName + "] where " + sb.ToString(0, sb.Length - 5), arrprms);
                    if (count <= 0)
                    {
                        dal.ExecuteSqlCommand("insert into [" + TableName + "] (" + string.Join(',', FieldNames) + ") values(@" + string.Join(",@", FieldNames) + ")", arrprms);
                    }
                }
            }
            return string.Empty;
        }
        #endregion
    }

}