using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.DataLogic.Repositories;
using EMIS.ViewModel;
using EMIS.DataLogic.UniversityManage.AdministrativeOrgan;
using EMIS.DataLogic.Common.CalendarManage;
using EMIS.ViewModel.UniversityManage.AdministrativeOrgan;

namespace EMIS.DataLogic.EducationSchedule
{
    public class CollegeScheduleDAL
    {
        public CollegePriorityRepository CollegePriorityRepository { get; set; }
        public CollegeScheduleStatusRepository CollegeScheduleStatusRepository { get; set; }
        public EducationSchedulingRepository EducationSchedulingRepository { get; set; }
        public SchoolyearRepository SchoolyearRepository { get; set; }
        public Lazy<CollegeDAL> CollegeDAL { get; set; }

        public IQueryable<CollegeView> GetCollegeViewByTime(DateTime scheduleDate)
        {
            var currentSchoolyear = SchoolyearRepository.GetSingle(x => x.IsCurrent == true);
            scheduleDate = scheduleDate.Date;
            var sql = (from cp in CollegePriorityRepository.GetList(x => x.StartDate <= scheduleDate && x.EndDate >= scheduleDate)
                       join c in CollegeDAL.Value.GetCollegeViewQueryable(x => true) on cp.CollegeID equals c.CollegeID
                       join css in CollegeScheduleStatusRepository.GetList(x => x.RecordStatus != (int)ES_CollegeScheduleStatusCode.Submited)
                            on new { cp.CollegeID, SchoolyearID = (Guid?)currentSchoolyear.SchoolyearID } equals new { css.CollegeID, css.SchoolyearID }
                       orderby cp.Priority descending
                       select c
                           ).Distinct();

            return sql;
        }
    }
}