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

namespace EMIS.DataLogic.SupervisionManage
{
    public class SupEvaluationDAL
    {
        public LessonRecordRepository LessonRecordRepository { get; set; }
        public ProjectRecordRepository ProjectRecordRepository { get; set; }
        public SchoolyearRepository SchoolyearRepository { get; set; }
        public SupervisionCollegeRepository SupervisionCollegeRepository { get; set; }
        public UserRepository UserRepository { get; set; }
        public CoursematerialRepository CoursematerialRepository { get; set; }
        public CoursesTimeRepository CoursesTimeRepository { get; set; }
        public StaffRepository StaffRepository { get; set; }
        public IQueryable<SupEvaluationView> GetSupEvaluationViewQueryable(Expression<Func<SUP_LessonRecord, bool>> exp,
            Expression<Func<SUP_ProjectRecord, bool>> ProjectRecordExp,Expression<Func<CF_Staff, bool>> supervisorExp)
        {
            var query =
                (
                       from record in LessonRecordRepository.GetList(exp)
                       from schoolyear in SchoolyearRepository.Entities.Where(x => x.SchoolyearID == record.SchoolyearID) 
                       from college in SupervisionCollegeRepository.Entities.Where(x => x.SupervisionCollegeID == record.SupervisionCollegeID)
                       from user in UserRepository.Entities.Where(x => x.UserID == record.UserID)
                       from course in CoursematerialRepository.Entities.Where(x => x.CoursematerialID == record.CoursematerialID)
                       from time in CoursesTimeRepository.Entities.Where(x => x.CoursesTimeID == record.CoursesTimeID)
                       from creator in UserRepository.Entities.Where(x => x.UserID == record.CreateUserID)
                       from staff in StaffRepository.Entities.Where(x => x.UserID == user.UserID).DefaultIfEmpty().Where(supervisorExp) 
                       select new SupEvaluationView 
                       {
                           LessonRecordID=record.LessonRecordID,
                           ProjectRecordID=null,
                           SchoolYearID = record.SchoolyearID,
                           SchoolyearCode = schoolyear.Code,
                           LessonDate = record.LessonDate,
                           Location = record.Location,
                           SupervisionCollegeID = record.SupervisionCollegeID,
                           SupervisionCollegeName = college.Name,
                           UserID = record.UserID,
                           UserName = user.Name,
                           SupervisionTypeID=null,
                           CoursematerialID = record.CoursematerialID,
                           CourseName = course.CourseName,
                           Weekday = record.Weekday,
                           CoursesTimeID = record.CoursesTimeID,
                           StartTimes = time.StartTimes,
                           EndTimes = time.EndTimes,
                           TotalScore = record.TotalScore,
                           Content = record.Content,
                           Advise = record.Record,
                           CreateUserID = record.CreateUserID,
                           CreateUserName = creator.Name
                       }).Union(
                           from precord in ProjectRecordRepository.GetList(ProjectRecordExp)
                           from pschoolyear in SchoolyearRepository.Entities.Where(x => x.SchoolyearID == precord.SchoolyearID)
                           from pcollege in SupervisionCollegeRepository.Entities.Where(x => x.SupervisionCollegeID == precord.SupervisionCollegeID)
                           from puser in UserRepository.Entities.Where(x => x.UserID == precord.UserID)
                           from pcourse in CoursematerialRepository.Entities.Where(x => x.CoursematerialID == precord.CoursematerialID)
                           from ptime in CoursesTimeRepository.Entities.Where(x => x.CoursesTimeID == precord.CoursesTimeID)
                           from pcreator in UserRepository.Entities.Where(x => x.UserID == precord.CreateUserID)
                           from staff in StaffRepository.Entities.Where(x => x.UserID == puser.UserID).DefaultIfEmpty().Where(supervisorExp) 
                           select new SupEvaluationView 
                           {
                               LessonRecordID = null,
                               ProjectRecordID = precord.ProjectRecordID,
                               SchoolYearID = precord.SchoolyearID,
                               SchoolyearCode = pschoolyear.Code,
                               LessonDate = precord.ProjectDate,
                               Location = precord.Location,
                               SupervisionCollegeID = precord.SupervisionCollegeID,
                               SupervisionCollegeName = pcollege.Name,
                               UserID = precord.UserID,
                               UserName = puser.Name,
                               SupervisionTypeID=precord.SupervisionTypeID,
                               CoursematerialID = precord.CoursematerialID,
                               CourseName = pcourse.CourseName,
                               Weekday = precord.Weekday,
                               CoursesTimeID = precord.CoursesTimeID,
                               StartTimes = ptime.StartTimes,
                               EndTimes = ptime.EndTimes,
                               TotalScore = precord.TotalScore,
                               Content = precord.Content,
                               Advise = precord.Advise,
                               CreateUserID = precord.CreateUserID,
                               CreateUserName = pcreator.Name
                           });
            return query;
        }
    }
}