using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using Bowin.Common.Linq.Entity;
using EMISOnline.ViewModel.SystemView;
using EMISOnline.DataLogic.SystemDAL;
using EMISOnline.Entities;
using EMISOnline.DataLogic.Student;
using EMISOnline.CommonLogic.StudentServices;
using Bowin.Web.Controls.Mvc;
using Bowin.Common.Linq;
using EMISOnline.ViewModel.Student;
using EMISOnline.DataLogic.Repositories;

namespace EMISOnline.CommonLogic.StudentServices
{
    public class CourseExamServices : ICourseExamServices
    {
        public StudentHomeWorkDAL HomeWorkDAL { get; set; }
        public CourseEaxmDAL courseEaxmDAL { get; set; }
        public SchoolyearDAL SchoolyearDAL { get; set; }

        public IGridResultSet<CourseExamView> getCourseExamList(string CourseName, int? ExamStatus, Guid UserId, int page, int rows)
        {
            var curSchoolyearID = SchoolyearDAL.GetCurSchoolyear();
            var sql = courseEaxmDAL.getStudentEaxmListbySchoolyear(UserId, curSchoolyearID.SchoolyearID);

            if (!string.IsNullOrEmpty(CourseName))
            {
                sql = sql.Where(w =>w.CourseName.Contains(CourseName));
            }

            if (ExamStatus.HasValue && ExamStatus.Value!=0)
            {
                sql = sql.Where(w => w.ExamStatus == ExamStatus);
            }

            return sql.OrderByDescending(o=>o.test_begin_date).ToGridResultSet(page,rows);
        }

        public List<Sys_DictionaryItem> getExamResult_state()
        {
            var dics = HomeWorkDAL.examResultRepository.UnitOfWork.Sys_DictionaryItem.Where(w => w.DictionaryCode == "ExamResult_state").OrderBy(o=>o.OrderNo);

            return dics.ToList();
        }
    }
}