using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.DataLogic.Repositories;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.Utility;

namespace EMIS.CommonLogic.SystemServices
{
    class BatchModifyServices : BaseServices, IBatchModifyServices
    {
        public BatchModifyRepository batchModifyRepository { get; set; }
        public BatchModifyEventsRepository batchModifyEventsRepository { get; set; }

        public BatchModifyExpandRepository batchModifyExpandRepository { get; set; }
        /// <summary>
        /// 根据mnuID（页面ID）获取设置信息
        /// </summary>
        /// <param name="mnuID">页面ID</param>
        /// <returns></returns>
        public List<Entities.Sys_BatchModify> GetBatchModifyList(string mnuID)
        {
            //查询条件
            System.Linq.Expressions.Expression<Func<Sys_BatchModify, bool>> expression = (x => true);
            if (!string.IsNullOrEmpty(mnuID))
                expression = (x => x.MNUID == mnuID);
            return batchModifyRepository.GetList(expression).OrderBy(x => x.OrderNo).ToList();
        }

        /// <summary>
        /// 获取配置扩展表
        /// </summary>
        /// <param name="BatchModifyID"></param>
        /// <returns></returns>
        public List<Sys_BatchModifyExpand> GetBatchModifyExpandList(Guid? BatchModifyID)
        {
            //查询条件
            System.Linq.Expressions.Expression<Func<Sys_BatchModifyExpand, bool>> expression = (x => true);
            expression = (x => x.BatchModifyID == BatchModifyID);
            return batchModifyExpandRepository.GetList(expression).ToList();
        }

        /// <summary>
        /// 批量修改
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="columnName">修改的列名</param>
        /// <param name="value">修改的值</param>
        /// <param name="list">要修改的数据ID</param>
        /// <returns></returns>
        public bool BatchUpdate(string tableName, string columnName, object value, List<Guid> list)
        {
            try
            {
                //UnitOfWork.PostUpdate += new Action<object>(UnitOfWork_PostUpdate);
                UnitOfWork.BatchUpdate(tableName, columnName, value, list);
                //UnitOfWork.Commit();
                return true;
            }
            catch (Exception ex)
            {

                throw;
            }
        }

        /// <summary>
        /// 批量修改(修改前后需执行特定方法)
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="columnName">修改的列名</param>
        /// <param name="value">修改的值</param>
        /// <param name="list">要修改的数据ID</param>
        /// <returns></returns>
        public bool BatchUpdate(string mnuID, string tableName, string columnName, object value, List<Guid> list)//WithOnBeforeOrOnAfter
        {
            try
            {
                //UnitOfWork.PostUpdate += new Action<object>(UnitOfWork_PostUpdate);
                Dictionary<string,string> functionstring = this.GetBatchModifyEvents(mnuID, tableName, columnName);
                string onBefore = functionstring["onBefore"];
                if (onBefore != null && onBefore != "")
                {
                    ReflectorHelper.RunMethod(onBefore, list);
                }
                UnitOfWork.BatchUpdate(tableName, columnName, value, list);
                string onAfter = functionstring["onAfter"];
                if (onAfter != null && onAfter != "")
                {
                    ReflectorHelper.RunMethod(onAfter, list);
                }
                //UnitOfWork.Commit();
                return true;
            }
            catch (Exception ex)
            {

                throw;
            }
        }

        //void UnitOfWork_PostUpdate(object obj)
        //{
        //    var entity = obj as EM_StudentReport;

        //    if (entity != null)
        //    {
        //        if (entity.ReportStatusID != (int)CF_ReportStatus.Toreportto)
        //        {
        //            entity.ReportTime = DateTime.Now; //报到时间
        //        }
        //        else
        //        {
        //            entity.ReportTime = null;
        //        }

        //        SetModifyStatus(entity);
        //    }
        //}

        public Dictionary<string, string> GetBatchModifyEvents(string mnuID, string munClass, string columnName)
        {
            Dictionary<string, string> functionName = new Dictionary<string, string>();
            string onBefore = "";
            string onAfter = "";
            var dbbatchModifyEvents = batchModifyEventsRepository.GetList(x => x.MNUID == mnuID);
            //List<Sys_BatchModifyEvents> dbbatchModifyEvents = BatchModifyServices.GetBatchModifyEvents(BatchModify.MNUID).ToList();
            List<Sys_BatchModifyEvents> batchModifyEvents = new List<Sys_BatchModifyEvents>();
            foreach (Sys_BatchModifyEvents batchModifyEvent in dbbatchModifyEvents)
            {
                if (batchModifyEvent.MUNClass != null && batchModifyEvent.MUNClass == munClass)
                {
                    if (batchModifyEvent.ColumnName != null && batchModifyEvent.ColumnName == columnName)
                    {
                        batchModifyEvents.Add(batchModifyEvent);
                    }
                    else
                    {
                        batchModifyEvents.Add(batchModifyEvent);
                    }
                }
            }
            if (batchModifyEvents.Count > 0)
            {
                onBefore = batchModifyEvents.FirstOrDefault().OnBefore;
                onAfter = batchModifyEvents.FirstOrDefault().OnAfter;
            }
            else if (dbbatchModifyEvents.Count() > 0)
            {
                onBefore = dbbatchModifyEvents.FirstOrDefault().OnBefore;
                onAfter = dbbatchModifyEvents.FirstOrDefault().OnAfter;
            }
            functionName.Add("onBefore",onBefore);
            functionName.Add("onAfter",onAfter);
            // && x.MUNClass == mnuClass && x.ColumnName == columnName
            return functionName;
        }
    }
}