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

namespace EMIS.DataLogic.EnrollManage.SpecialtyManage
{
    public class SpecialtyClassSettingDAL
    {
        public SpecialtyClassSettingRepository SpecialtyClassSettingRepository { get; set; }
        public SpecialtyRepository SpecialtyRepository { get; set; }
        public DictionaryItemRepository DictionaryItemRepository { get; set; }

        /// <summary>
        /// 查询对应的专业分班信息View
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<SpecialtyClassSettingView> GetSpecialtyClassSettingViewQueryable(Expression<Func<CF_SpecialtyClassSetting, bool>> exp)
        {
            var query = from spcs in SpecialtyClassSettingRepository.GetList(exp)
                        join sp in SpecialtyRepository.Entities
                        on spcs.SpecialtyID equals sp.SpecialtyID
                        join dicst in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(CF_Standard).Name)
                        on sp.StandardID equals dicst.Value into tempst
                        from standard in tempst.DefaultIfEmpty()
                        select new SpecialtyClassSettingView
                        {
                            SpecialtyClassSettingID = spcs.SpecialtyClassSettingID,
                            SpecialtyID = spcs.SpecialtyID,
                            StandardID = sp.StandardID,
                            StandardCode = standard.Code,
                            StandardName = standard.Name,
                            EducationID = sp.EducationID,
                            LearningformID = sp.LearningformID,
                            LearnSystem = sp.LearnSystem,
                            ScienceclassID = sp.ScienceclassID,
                            PropertyID = sp.PropertyID,
                            StandardTitle = sp.StandardTitle,
                            StandardLevel = sp.StandardLevel,
                            PlanRecruitStudentCount = spcs.PlanRecruitStudentCount ?? 0,
                            ClassArrangeStudentCount = spcs.ClassArrangeStudentCount ?? 0,
                            ClassMaxStudentCount = spcs.ClassMaxStudentCount ?? 0,
                            ClassNumber = spcs.ClassNumber ?? 1,
                            RecordStatus = spcs.RecordStatus,
                            CreateUserID = spcs.CreateUserID,
                            CreateTime = spcs.CreateTime,
                            ModifyUserID = spcs.ModifyUserID,
                            ModifyTime = spcs.ModifyTime,
                        };

            return query;
        }

        /// <summary>
        /// 查询专业分班中未新增的专业信息SpecialtyView
        /// </summary>
        /// <param name="expSpecialty"></param>
        /// <param name="expSpecialtyClassSetting"></param>
        /// <returns></returns>
        public IQueryable<SpecialtyView> GetSpecialtyViewNoAddQueryable(Expression<Func<CF_Specialty, bool>> expSpecialty, Expression<Func<CF_SpecialtyClassSetting, bool>> expSpecialtyClassSetting)
        {
            var query = from sp in SpecialtyRepository.GetList(expSpecialty)
                        join stdic in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(CF_Standard).Name)
                        on sp.StandardID equals stdic.Value into tempstdic
                        from standard in tempstdic.DefaultIfEmpty()
                        join sc in SpecialtyClassSettingRepository.GetList(expSpecialtyClassSetting)
                        on sp.SpecialtyID equals sc.SpecialtyID into tempsc
                        from spcs in tempsc.DefaultIfEmpty()
                        where spcs.SpecialtyClassSettingID == null
                        select new SpecialtyView
                        {
                            SpecialtyID = sp.SpecialtyID,
                            StandardID = sp.StandardID,
                            StandardCode = standard.Code,
                            StandardName = standard.Name,
                            EducationID = sp.EducationID,
                            LearningformID = sp.LearningformID,
                            LearnSystem = sp.LearnSystem,
                            ScienceclassID = sp.ScienceclassID,
                            PropertyID = sp.PropertyID,
                            StandardTitle = sp.StandardTitle,
                            StandardLevel = sp.StandardLevel,
                            RecordStatus = sp.RecordStatus,
                            Remark = sp.Remark,
                            CreateUserID = sp.CreateUserID,
                            CreateTime = sp.CreateTime,
                            ModifyUserID = sp.ModifyUserID,
                            ModifyTime = sp.ModifyTime,
                        };

            return query;
        }

    }
}