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

namespace EMIS.DataLogic.EnrollManage.SpecialtyManage
{
    public class SpecialtyApplyDAL
    {
        public SpecialtyApplyRepository specialtyApplyRepository { get; set; }
        public SpecialtyRepository specialtyRepository { get; set; }
        public CollegeRepository collegeRepository { get; set; }
        public CampusRepository campusRepository { get; set; }
        public DictionaryItemRepository dictionaryItemRepository { get; set; }
        public RecruitSpecialtyRepository recruitSpecialtyRepository { get; set; }
        public UserRepository userRepository { get; set; }

        /// <summary>
        /// 查询专业申请信息SpecialtyApplyView
        /// </summary>
        /// <param name="exp">条件查询</param>
        /// <returns></returns>
        public IQueryable<SpecialtyApplyView> GetSpecialtyApplyViewQueryable(Expression<Func<CF_SpecialtyApply, bool>> exp)
        {
            var query = from spay in specialtyApplyRepository.GetList(exp)
                        join sp in specialtyRepository.Entities
                        on spay.SpecialtyID equals sp.SpecialtyID
                        join col in collegeRepository.Entities
                        on spay.CollegeID equals col.CollegeID
                        join cam in campusRepository.Entities
                        on col.CampusID equals cam.CampusID
                        join stan in dictionaryItemRepository.GetList(x => x.DictionaryCode == DictionaryItem.CF_Standard.ToString())
                        on sp.StandardID equals stan.Value into tempstan
                        from dtstan in tempstan.DefaultIfEmpty()
                        join crus in userRepository.Entities
                        on spay.CreateUserID equals crus.UserID into tempcrus
                        from spaycrus in tempcrus.DefaultIfEmpty()
                        select new SpecialtyApplyView
                        {
                            SpecialtyApplyID = spay.SpecialtyApplyID,
                            SpecialtyID = spay.SpecialtyID,
                            StandardID = sp.StandardID,
                            StandardCode = dtstan.Code,
                            StandardName = dtstan.Name,
                            CollegeID = spay.CollegeID,
                            CollegeCode = col.No,
                            CollegeName = col.Name,
                            CampusID = col.CampusID,
                            CampusCode = cam.No,
                            CampusName = cam.Name,
                            GradeID = spay.GradeID,
                            SemesterID = spay.SemesterID,
                            EducationID = sp.EducationID,
                            LearningformID = sp.LearningformID,
                            LearnSystem = sp.LearnSystem,
                            ScienceclassID = sp.ScienceclassID,
                            StandardTitle = sp.StandardTitle,
                            StandardLevel = sp.StandardLevel,
                            PropertyID = sp.PropertyID,
                            ApprovalStatus = spay.ApprovalStatus,
                            Remark = spay.Remark,
                            RecordStatus = spay.RecordStatus,
                            CreateUserID = spay.CreateUserID,
                            CreateUserCode = spaycrus.LoginID,
                            CreateUserName = spaycrus.Name,
                            CreateTime = spay.CreateTime,
                            ModifyUserID = spay.ModifyUserID,
                            ModifyTime = spay.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询未进行申请的专业信息SpecialtyView
        /// </summary>
        /// <param name="expSpecialty"></param>
        /// <param name="expSpecialtyApply"></param>
        /// <param name="expRecruitSpecialty"></param>
        /// <returns></returns>
        public IQueryable<SpecialtyView> GetSpecialtyViewNoApplyQueryable(Expression<Func<CF_Specialty, bool>> expSpecialty,
                Expression<Func<CF_SpecialtyApply, bool>> expSpecialtyApply, Expression<Func<CF_RecruitSpecialty, bool>> expRecruitSpecialty)
        {
            var query = from sp in specialtyRepository.GetList(expSpecialty)
                        join stan in dictionaryItemRepository.GetList(x => x.DictionaryCode == DictionaryItem.CF_Standard.ToString())
                        on sp.StandardID equals stan.Value into tempstan
                        from dtstan in tempstan.DefaultIfEmpty()
                        join spay in specialtyApplyRepository.GetList(expSpecialtyApply)
                        on sp.SpecialtyID equals spay.SpecialtyID into tempspay
                        from spapply in tempspay.DefaultIfEmpty()
                        join rs in recruitSpecialtyRepository.GetList(expRecruitSpecialty)
                        on sp.SpecialtyID equals rs.SpecialtyID into temprs
                        from rsp in temprs.DefaultIfEmpty()
                        where spapply.SpecialtyApplyID == null && rsp.RecruitSpecialtyID == null
                        select new SpecialtyView
                        {
                            SpecialtyID = sp.SpecialtyID,
                            StandardID = sp.StandardID,
                            StandardCode = dtstan.Code,
                            StandardName = dtstan.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;
        }

    }
}