using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.ExaminationManage;
using EMIS.ViewModel;
using System.Linq.Expressions;
using EMIS.Entities;
using Bowin.Common.Linq;
using EMIS.DataLogic.ExaminationManage;

namespace EMIS.CommonLogic.ExaminationManage
{
    public class StudentExaminationCourseServices : BaseServices,IStudentExaminationCourseServices 
    {
        public StudentExaminationCourseDAL studentExaminationCourseDAL { get; set; }
        public IGridResultSet<StudentExaminationCourseView> GetStudentExaminationCourseViewList(ConfiguretView configuretView,
            Guid? schoolyearID, int? examsCategoryID, int? examinationModeID, int? examinationStyleID, Guid userID, int pageIndex, int pageSize)
        {
            Expression<Func<EX_ExaminationPlan, bool>> exp = (x => x.RecordStatus == (int)EX_ExaminationPlanStatus.Submitted);
            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examsCategoryID.HasValue)
            {
                exp = exp.And(x => x.ExamsCategoryID == examsCategoryID);
            }
            if (examinationModeID.HasValue)
            {
                exp = exp.And(x => x.ExaminationModeID == examinationModeID);
            }
            if (examinationStyleID.HasValue)
            {
                exp = exp.And(x => x.ExaminationStyleID == examinationStyleID);
            }
            
            var query = studentExaminationCourseDAL.GetExaminationPlanView(exp, userID);

            if (!string.IsNullOrEmpty(configuretView.ConditionValue) && !string.IsNullOrEmpty(configuretView.Attribute))
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue);

            var result = query.OrderBy(x => x.SchoolyearCode).ThenBy(x => x.ExaminationDate).ThenBy(x => x.StartTime).ToGridResultSet<StudentExaminationCourseView>(pageIndex, pageSize);

            return result;
        }

        public List<StudentExaminationCourseView> GetStudentExaminationCourseViewList(ConfiguretView configuretView,
            Guid? schoolyearID, int? examsCategoryID, int? examinationModeID, int? examinationStyleID, Guid userID, List<Guid?> selectIDlist)
        {
            Expression<Func<EX_ExaminationPlan, bool>> exp = (x => x.RecordStatus == (int)EX_ExaminationPlanStatus.Submitted);
            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examsCategoryID.HasValue)
            {
                exp = exp.And(x => x.ExamsCategoryID == examsCategoryID);
            }
            if (examinationModeID.HasValue)
            {
                exp = exp.And(x => x.ExaminationModeID == examinationModeID);
            }
            if (examinationStyleID.HasValue)
            {
                exp = exp.And(x => x.ExaminationStyleID == examinationStyleID);
            }
            if (selectIDlist.Count > 0)
            {
                exp = exp.And(x => selectIDlist.Contains(x.ExaminationPlanID));
            }

            var query = studentExaminationCourseDAL.GetExaminationPlanView(exp, userID);

            if (!string.IsNullOrEmpty(configuretView.ConditionValue) && !string.IsNullOrEmpty(configuretView.Attribute))
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue);

            var result = query.OrderBy(x => x.SchoolyearCode).ThenBy(x => x.ExaminationDate).ThenBy(x => x.StartTime).ToList();

            return result;
        }
        
    }
}