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

namespace EMIS.DataLogic.SelectCourse
{
    public class TypeSettingDAL
    {
        public SelectCourseTypeSettingRepository SelectCourseTypeSettingRepository { get; set; }
        public SchoolyearRepository SchoolyearRepository { get; set; }
        public DictionaryItemRepository DictionaryItemRepository { get; set; }

        public IQueryable<SelectCourseTypeSettingView> GetTypeSettingView(Expression<Func<EM_SelectCourseTypeSetting, bool>> typeSettingExp, 
            Expression<Func<EMIS.Entities.CF_Schoolyear, bool>> schoolYearExp)
        {
            var q = (from scts in SelectCourseTypeSettingRepository.GetList(typeSettingExp)
                     join sy in SchoolyearRepository.GetList(schoolYearExp) on scts.SchoolyearID equals sy.SchoolyearID
                     join disct in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(EM_SelectCourseType).Name) on scts.SelectCourseTypeID equals disct.Value into ddisct
                     from edisct in ddisct.DefaultIfEmpty()
                     join dirs in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(SYS_STATUS).Name) on scts.RecordStatus equals dirs.Value into ddirs
                     from edirs in ddirs.DefaultIfEmpty()
                     select new SelectCourseTypeSettingView
                     {
                         SelectCourseTypeSettingID = scts.SelectCourseTypeSettingID,
                         SchoolyearID = scts.SchoolyearID,
                         SchoolyearCode = sy.Code,
                         SelectCourseTypeID = scts.SelectCourseTypeID,
                         SelectCourseTypeDesc = edisct.Name,
                         StartTime = scts.StartTime,
                         EndTime = scts.EndTime,
                         MaxSelectCount = scts.MaxSelectCount,
                         MinSelectCount = scts.MinSelectCount,
                         MaxCredit = scts.MaxCredit,
                         MinCredit = scts.MinCredit,
                         Remark = scts.Remark,
                         RecordStatus = scts.RecordStatus,
                         RecordStatusDesc = edirs.Name,
                         CreateUserID = scts.CreateUserID,
                         CreateTime = scts.CreateTime,
                         ModifyUserID = scts.ModifyUserID,
                         ModifyTime = scts.ModifyTime
                     });

            return q;
        }
    }
}