using BPA.SAAS.KitChenManage.Core;
using BPA.SAAS.Manage.Core.Base;
using Furion;
using SqlSugar;
using System;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;

namespace BPA.KitChen.GroupMeal.SqlSugar
{
    public class SqlSugarDb
    {



        public static SqlSugarScope Db { get; set; }

        public static SqlSugarScope SqlSugarScope(ConnectionConfig configConnection)
        {
            //全局过滤

            Db = new SqlSugarScope(configConnection, db =>
            {
                //全局过滤
                TableFilterItem(db);
                db.Aop.OnLogExecuting = (sql, pars) =>
                {
                    //sql 执行前
                };
                db.Aop.OnLogExecuted = (sql, pars) =>
                {
                    //sql 执行后
                };
                db.Aop.OnError = ex =>
                {
                    //sql 异常
                };
            });

            return Db;
        }

        #region 全局过滤器及配置
        /// <summary>
        /// 全局过滤
        /// </summary>
        private static void TableFilterItem(SqlSugarClient db)
        {

            //添加默认值
            DataExecuting(db);
            db.QueryFilter.AddTableFilter<IGroupId>(it => it.GroupId == CurrentUser.GroupId);
        }

        /// <summary>
        /// 附默认值
        /// </summary>
        /// <param name="db"></param>
        private static void DataExecuting(SqlSugarClient db)
        {
            //全局字段赋值
            db.Aop.DataExecuting = (oldValue, entityInfo) =>
            {
                InsertByObject(entityInfo);
                UpdateByObject(oldValue, entityInfo);
            };

        }
        /// <summary>
        ///插入数据时附默认值
        /// </summary>
        /// <param name="entityInfo"></param>
        private static void InsertByObject(DataFilterModel entityInfo)
        {
            if (entityInfo.OperationType != DataFilterType.InsertByObject) return;
            switch (entityInfo.PropertyName)
            {
                case "CreateAt":
                    entityInfo.SetValue(DateTime.Now);
                    break;
                case "CreateBy":
                    entityInfo.SetValue("");
                    break;
                case "GroupId":
                    entityInfo.SetValue(CurrentUser.GroupId);
                    break;
            }
        }

        /// <summary>
        /// 修改数据时附默认值
        /// </summary>
        /// <param name="oldValue"></param>
        /// <param name="entityInfo"></param>
        private static void UpdateByObject(object oldValue, DataFilterModel entityInfo)
        {
            if (entityInfo.OperationType != DataFilterType.UpdateByObject) return;

            switch (entityInfo.PropertyName)
            {
                case "UpdateAt":
                    entityInfo.SetValue(DateTime.Now);
                    break;
                case "UpdateBy":
                    entityInfo.SetValue("");
                    break;
            }

        }
        #endregion
    }
}