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

namespace EMIS.DataLogic.ScoreManage
{
    public class LevelScoreDAL
    {
        public ExaminationScoreRepository examinationScoreRepository { get; set; }
        public ExaminationBatchProjectRepository examinationBatchProjectRepository { get; set; }
        public ExaminationBatchRepository examinationBatchRepository { get; set; }
        public ExaminationProjectRepository examinationProjectRepository { get; set; }
        public ProjectScoreRepository projectScoreRepository { get; set; }
        public LevelSettingRepository levelSettingRepository { get; set; }
        public StudentRepository studentRepository { get; set; }
        public ClassmajorRepository classmajorRepository { get; set; }
        public GrademajorRepository grademajorRepository { get; set; }
        public FacultymajorRepository facultymajorRepository { get; set; }
        public CollegeRepository collegeRepository { get; set; }
        public ExaminationScoreDAL examinationScoreDAL { get; set; }

        public IQueryable<LevelScoreView> GetLevelScoreViewQueryable(Expression<Func<ER_ProjectScore, bool>> psexp)
        {
            //var examinationScoreList = examinationScoreDAL.GetExaminationScoreView(esexp, x => true, x => true, x => true, x => true, x => true, x => true, x => true).ToList();
            var query = from psr in projectScoreRepository.Entities.Where(psexp)
                        from epr in examinationProjectRepository.Entities.Where(x => x.ExaminationProjectID == psr.ExaminationProjectID)
                        from lsr in levelSettingRepository.Entities.Where(x => x.LevelSettingID == psr.LevelSettingID)
                        from stu in studentRepository.Entities.Where(x => x.UserID == psr.UserID)
                        from cla in classmajorRepository.Entities.Where(x => x.ClassmajorID == stu.ClassmajorID)
                        from gra in grademajorRepository.Entities.Where(x => x.GrademajorID == cla.GrademajorID)
                        from fac in facultymajorRepository.Entities.Where(x => x.FacultymajorID == gra.FacultymajorID)
                        from col in collegeRepository.Entities.Where(x => x.CollegeID == fac.CollegeID)
                        select new LevelScoreView
                        {
                            ProjectScoreID = psr.ProjectScoreID,
                            ExaminationTypeID = epr.ExaminationTypeID,
                            ExaminationTypeName = epr.EX_ExaminationType.Name,
                            ExaminationProjectID = psr.ExaminationProjectID,
                            ExaminationProjectName = epr.Name,
                            LevelSettingID = psr.LevelSettingID,
                            LevelName = lsr.LevelName,
                            UserID = psr.UserID,
                            IDNumber = stu.IDNumber,
                            CollegeID = col.CollegeID,
                            CollegeName = col.Name,
                            StandardID = fac.StandardID,
                            ClassmajorID = cla.ClassmajorID,
                            ClassmajorName = cla.Name,
                            StudentNo = stu.StudentCardNo,
                            CertificatesType = stu.CertificatesType,
                        };
            return query;
        }
    }
}