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

namespace EMIS.DataLogic.Common.EvaluationManage
{
    public class EvaluationIntTypeDAL
    {
        public EvaluationIntTypeRepository evaluationIntTypeRepository { get; set; }
        public EvaluationTeachingModeRepository evaluationTeachingModeRepository { get; set; }
        public DictionaryItemRepository dictionaryItemRepository { get; set; }
        /// <summary>
        /// 读取评价类型信息
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<EvaluationIntTypeView> GetEvaluationIntTypeQueryable(Expression<Func<EM_EvaluationIntType, bool>> exp)
        {
            var query = from a in evaluationIntTypeRepository.GetList(exp)
                        select new EvaluationIntTypeView
                        {
                            Remark = a.Remark,
                            Code = a.Code,
                            Name = a.Name,
                            EvaluationIntTypeID = a.EvaluationIntTypeID
                        };
            return query;
        }

        public List<TeachingModeTypeView> GetEvaluationTeachingModeTypeQuery(Expression<Func<EM_EvaluationTeachingMode, bool>> exp)
        {
            var query = (from evainTmode in evaluationTeachingModeRepository.GetList(exp)
                         join b in dictionaryItemRepository.Entities on new { TeachingModeType = evainTmode.TeachingModeID, DictionaryCode = typeof(CF_TeachingMode).Name }
                         equals new { TeachingModeType = b.Value, b.DictionaryCode }
                         into dicTep
                         from dictab in dicTep.DefaultIfEmpty()
                         select new TeachingModeTypeView
                         {
                             EvaluationIntTypeID = evainTmode.EvaluationIntTypeID,
                             TeachingModeType = evainTmode.TeachingModeID,
                             TeachingModeTypeName = dictab.Name
                         });
            return query.ToList();
        }

        /// <summary>
        /// 根据教室ID获取教室类型
        /// </summary>
        /// <param name="specialtyCourseID"></param>
        /// <returns></returns>
        public List<int> GetTeachingModeTypeQueryble(Guid? evaluationIntTypeID)
        {
            var query = from a in evaluationTeachingModeRepository.Entities.Where(x => x.EvaluationIntTypeID == evaluationIntTypeID)
                        join b in dictionaryItemRepository.Entities on new { TeachingModeType = a.TeachingModeID, DictionaryCode = DictionaryItem.CF_TeachingMode.ToString() }
                        equals new { TeachingModeType = b.Value, b.DictionaryCode }
                        select b.Value.Value;
            return query.ToList();
        }
    }
}