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

namespace EMIS.DataLogic.MinorManage.MinorApply
{
    public class MinorApplyDAL
    {
        public StudentMinorRegistRepository studentMinorRegistRepository { get; set; }
        public UserRepository userRepository { get; set; }
        public SchoolyearRepository schoolyearRepository { get; set; }
        public StudentRepository studentRepository { get; set; }
        public GrademajorRepository grademajorRepository { get; set; }
        public ClassmajorRepository classmajorRepository { get; set; }
        public GrademinorRepository grademinorRepository { get; set; }
        public GrademinorApplicationRepository grademinorApplicationRepository { get; set; }
        public DictionaryItemRepository dictionaryItemRepository { get; set; }
        public CollegeRepository collegeRepository { get; set; }
        public FacultymajorRepository facultymajorRepository { get; set; }

        public IQueryable<MinorApplyView> GetMinorApplyViewQueryable(Expression<Func<EM_StudentMinorRegist, bool>> exp,
            Expression<Func<CF_Classmajor, bool>> expcla, Expression<Func<CF_College, bool>> expcol)
        {
            var query = from stumrr in studentMinorRegistRepository.GetList(exp)
                        join gm in grademinorRepository.Entities
                        on stumrr.GrademinorID equals gm.GrademinorID
                        join gmar in grademinorApplicationRepository.Entities
                        on gm.GrademinorApplicationID equals gmar.GradeMinorApplicationID
                        join dic in dictionaryItemRepository.GetList(x => x.DictionaryCode == "CF_Standard")
                        on gmar.StandardID equals dic.Value  
                        join user in userRepository.Entities
                        on stumrr.UserID equals user.UserID
                        join year in schoolyearRepository.Entities
                        on stumrr.SchoolyearID equals year.SchoolyearID
                        join stu in studentRepository.Entities
                        on stumrr.UserID equals stu.UserID
                        join cla in classmajorRepository.GetList(expcla)
                        on stu.ClassmajorID equals cla.ClassmajorID
                        join gra in grademajorRepository.Entities
                        on cla.GrademajorID equals gra.GrademajorID
                        join fac in facultymajorRepository.Entities
                        on gra.FacultymajorID equals fac.FacultymajorID
                        join col in collegeRepository.GetList(expcol)
                        on fac.CollegeID equals col.CollegeID
                        select new MinorApplyView
                        {
                            StudentMinorRegistID = stumrr.StudentMinorRegistID,
                            UserID = stumrr.UserID,
                            LoginID = user.LoginID,
                            UserName = user.Name,
                            SchoolyearID = stumrr.SchoolyearID,
                            SchoolyearCode = year.Code,
                            GrademajorID = gra.GrademajorID,
                            GrademajorCode = gra.Code,
                            GrademajorName = gra.Name,
                            GradeYearID = gm.YearID,
                            ClassmajorID = cla.ClassmajorID,
                            ClassmajorCode = cla.No,
                            ClassmajorName = cla.Name,
                            GrademinorID = gm.GrademinorID,
                            GrademinorCode = dic.Code,
                            GrademinorName = dic.Name,
                            RecordStatus = stumrr.RecordStatus,
                            CollegeID = col.CollegeID,
                            CollegeCode = col.No,
                            CollegeName = col.Name,
                            OpenStatus = gm.RecordStatus,
                        };
            return query;
        }


        //public IQueryable<MinorApplyView> GetMinorConditionViewQueryable()
        //{ 
            
        //}
    }
}