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.EvaluationManage;
using EMIS.DataLogic.SystemDAL;
using EMIS.ViewModel;
using EMIS.ViewModel.EducationManage;
using EMIS.ViewModel.EvaluationManage.EvaluationEnter;
using EMIS.Utility;
using EMIS.DataLogic.Common.Students;
using Bowin.Common.Linq;


namespace EMIS.DataLogic.Common.EvaluationManage
{
    public class TeacherEvaluationCountDAL
    {
        public StudentRepository StudentRepository { get; set; }
        public StaffRepository StaffRepository { get; set; }
        public EvaluationSettingRepository EvaluationSettingRepository { get; set; }
        public UserRepository UserRepository { get; set; }
        //public StudentEvaluationRepository StudentEvaluationRepository { get; set; }
        public EducationMissionRepository EducationMissionRepository { get; set; }
        public EducationMissionClassRepository EducationMissionClassRepository { get; set; }
        public EM_EvaluationSetting EvaluationSetting { get; set; }
        public SchoolyearRepository SchoolyearRepository { get; set; }
        public EvaluationEnterRepository EvaluationEnterRepository { get; set; }
        public IQueryable<TeacherEvaluationCountView> GetTeacherView(Expression<Func<EMIS.Entities.CF_Schoolyear, bool>> exp,
            Expression<Func<EM_EvaluationSetting, bool>> expset
           )
        // Expression<Func<EM_EducationMissionClass, bool>> exp =null
        {
            var query3 = from s in StaffRepository.Entities
                         //from set in s.EM_EvaluationSetting
                         join nses in
                             (from sr in StaffRepository.Entities
                              from es in sr.EM_EvaluationSetting.Where(x => x.OpenStatus == 1)
                              //join set in EvaluationSettingRepository.GetList(expset) on es.EvaluationSettingID equals set.EvaluationSettingID
                              join em in EducationMissionClassRepository.Entities on es.EducationMissionClassID equals em.EducationMissionClassID
                              join emc in EducationMissionRepository.Entities on em.EducationMissionID equals emc.EducationMissionID
                              join sy in SchoolyearRepository.GetList(exp) on emc.SchoolyearID equals sy.SchoolyearID
                              group sr by new { sr.UserID, sy.SchoolyearID, sy.Code } into ns
                              select new
                              {
                                  //TypeID = ns.Key.EvaluationIntTypeID,
                                  SchoolCode = ns.Key.Code,
                                  SchoolyearID = ns.Key.SchoolyearID,
                                  UserID = ns.Key.UserID,
                                  NeedEvaluationCount = ns.Count()
                              }) on s.UserID equals nses.UserID
                         join set in
                             (from sr in StaffRepository.Entities
                              from est in sr.EM_EvaluationSetting.Where(x => x.OpenStatus == 1)
                              //join set in EvaluationSettingRepository.GetList(expset) on est.EvaluationSettingID equals set.EvaluationSettingID
                              join em in EducationMissionClassRepository.Entities on est.EducationMissionClassID equals em.EducationMissionClassID
                              join emc in EducationMissionRepository.Entities on em.EducationMissionID equals emc.EducationMissionID
                              join sy in SchoolyearRepository.GetList(exp) on emc.SchoolyearID equals sy.SchoolyearID
                              where (from et in EvaluationEnterRepository.Entities.Where(x => x.StaffUserID == sr.UserID) select et.EducationMissionClassID).Contains(est.EducationMissionClassID)
                              group sr by new { sr.UserID, sy.SchoolyearID, sy.Code, } into nst
                              select new
                              {
                                  //TypeID = nst.Key.EvaluationIntTypeID,
                                  SchoolCode = nst.Key.Code,
                                  SchoolyearID = nst.Key.SchoolyearID,
                                  UserID = nst.Key.UserID,
                                  CompleteCount = nst.Count(),
                              }) on s.UserID equals set.UserID
                              into g
                         from n_set in g.DefaultIfEmpty()
                         select new TeacherEvaluationCountView
                         {
                             CollegeID = s.CF_College.CollegeID,
                             TeacherNo = s.StaffCode,
                             TeacherName = s.Sys_User.Name,
                             //EvaluationTypeID = n_set.TypeID,
                             //EvaluationTypeName = set.EM_EvaluationTable.Name,
                             DepartmentID = s.CF_Department.DepartmentID,
                             //s.CF_Classmajor.CF_Grademajor.CF_Facultymajor.CollegeID,
                             //SchoolyearNumID 
                             ////s.CF_Classmajor.CF_Grademajor.SchoolyearID,
                             //StandardID = s.CF_Classmajor.CF_Grademajor.CF_Facultymajor.StandardID,
                             //StudentNo = s.Sys_User.LoginID,
                             //Name = s.Sys_User.Name,
                             //ClassmajorID = s.ClassmajorID,
                             //ClassmajorName = s.CF_Classmajor.Name,
                             SchoolyearID = n_set.SchoolyearID,//s.CF_Classmajor.CF_Grademajor.CF_Schoolyear.SchoolyearID,
                             SchoolyearCode = nses.SchoolCode,//s.CF_Classmajor.CF_Grademajor.CF_Schoolyear.Code,
                             CompleteCount = n_set.CompleteCount == null ? 0 : n_set.CompleteCount,
                             NeedEvaluationCount = nses.NeedEvaluationCount,
                             UncompletedCount = nses.NeedEvaluationCount - (n_set.CompleteCount == null ? 0 : n_set.CompleteCount),
                         };

            return query3;
        }

    }
}