using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.ViewModel.Students;
using EMIS.ViewModel;

namespace EMIS.ExtensionLogic.DataLogic.StudentSystem.MyGrade
{
    public class CourseGradeDAL : EMIS.DataLogic.StudentSystem.MyGrade.CourseGradeDAL
    {
        public override IList<CourseGradeView> GetStudentCourseGrade(Guid UserID)
        {
            List<int?> examsStateList = examsStateSettingRepository.GetList(x => x.IsNormal == true).Select(x => x.ExamsStateID).ToList();
            var query = from fina in ScoreRepository.Entities
                        join student in StudentRepository.Entities
                        on fina.UserID equals student.UserID
                        join courseColour in CourseTypeSelectCourseTypeRepository.Entities
                        on fina.CourseTypeID equals courseColour.CourseTypeID
                        into colour
                        from cc in colour.DefaultIfEmpty()
                        join isClub in ClubCourseRepository.Entities
                        on fina.EM_Coursematerial.CoursematerialID equals isClub.CoursematerialID
                        into club
                        from clu in club.DefaultIfEmpty()
                        join ed in DictionaryItemRepository.GetList(x => x.DictionaryCode == "CF_ExamsState")
                        on fina.ExamsStateID equals ed.Value
                        into ged
                        from f in ged.DefaultIfEmpty()
                        join d in DictionaryItemRepository.GetList(x => x.DictionaryCode == "CF_ResultType")
                        on fina.ResultTypeID equals d.Value
                        join rd in ResultTypeDetailRepository.GetList(x => true)
                        on d.Value equals rd.ResultTypeID
                        into ResultTypeDetail
                        from Result in ResultTypeDetail.DefaultIfEmpty()
                        where ((Result.ResultTypeDetailID != null &&
                                (
                                   (fina.TotalScore <= Result.MaxScore && Result.MinScore <= fina.TotalScore && (Result.MaxScoreOperator == "<=" && Result.MinScoreOperator == "<="))
                                || (fina.TotalScore <= Result.MaxScore && Result.MinScore < fina.TotalScore && (Result.MaxScoreOperator == "<=" && Result.MinScoreOperator == "<"))
                                || (fina.TotalScore < Result.MaxScore && Result.MinScore < fina.TotalScore && (Result.MaxScoreOperator == "<" && Result.MinScoreOperator == "<"))
                                || (fina.TotalScore < Result.MaxScore && Result.MinScore <= fina.TotalScore && (Result.MaxScoreOperator == "<" && Result.MinScoreOperator == "<="))
                                )
                                )
                                || (Result.ResultTypeDetailID == null))
                        && (fina.UserID == UserID)
                        orderby new { fina.StarttermID, fina.CourseTypeID, fina.EM_Coursematerial.CourseName }
                        select new CourseGradeView()
                        {
                            Club = clu.ClubCourseID,
                            CourseTypeColour = cc.CourseTypeColour,
                            UserID = fina.UserID,
                            CourseName = fina.EM_Coursematerial.CourseName,
                            TotalScore = fina.TotalScore,

                            //暂时按此种逻辑处理。。后续优化（廖兵良）
                            //已经优化--20180517李晓林
                            TotalScoreStr = fina.TotalScore < 60 ? "重修":(examsStateList.Any(w => w.Value == fina.ExamsStateID) ? (Result.Name ?? ((double)Math.Round(fina.TotalScore.Value, 1)).ToString()) : f.Name),
                            ScoreCredit = fina.ScoreCredit,
                            CoursematerialID = fina.CoursematerialID,
                            SchoolyearNumID = fina.SchoolyearNumID,
                            SchoolyearID = fina.SchoolyearID,
                            PlanningGraduateDate = student.PlanningGraduateDate,
                            StarttermID = fina.StarttermID
                        };

            return query.ToList();
        }

        /// <summary>
        /// 获取已提交成绩
        /// </summary>
        /// <param name="CoursematerialID"></param>
        /// <param name="SchoolyearID"></param>
        /// <param name="UserID"></param>
        public override IList<SubmitedScoreView> GetSubmitedScoreList(Guid? CoursematerialID, int? StartTermID, Guid? UserID)
        {
            int examsState = (int)CF_ExamsState.NormalExams;
            var query = from submited in SubmitedScoreRepository.Entities
                        join coursetype in DictionaryItemRepository.Entities
                        on new { CourseTypeID = submited.CourseTypeID, DictionaryCode = typeof(CF_CourseType).Name }
                        equals new { CourseTypeID = coursetype.Value, coursetype.DictionaryCode }
                        into courseTypedata
                        from courseTypetb in courseTypedata.DefaultIfEmpty()
                        join examscategory in DictionaryItemRepository.Entities
                        on new { CourseTypeID = submited.ExamsCategoryID, DictionaryCode = typeof(CF_ExamsCategory).Name }
                        equals new { CourseTypeID = examscategory.Value, examscategory.DictionaryCode }
                        into examsCategorydata
                        from examsCategorytb in examsCategorydata.DefaultIfEmpty()
                        join examsstate in DictionaryItemRepository.Entities
                        on new { CourseTypeID = submited.ExamsStateID, DictionaryCode = typeof(CF_ExamsState).Name }
                        equals new { CourseTypeID = examsstate.Value, examsstate.DictionaryCode }
                         into examsStatedata
                        from examsStatetb in examsStatedata.DefaultIfEmpty()
                        join opera in UserRepository.Entities on submited.CreatorUserID equals opera.UserID
                        join d in DictionaryItemRepository.GetList(x => x.DictionaryCode == "CF_ResultType") on submited.ResultTypeID equals d.Value
                        join rd in ResultTypeDetailRepository.GetList(x => true) on d.Value equals rd.ResultTypeID
                        into ResultTypeDetail
                        from Result in ResultTypeDetail.DefaultIfEmpty()
                        where (
                                (Result.ResultTypeDetailID != null &&
                                (
                                (submited.TotalScore <= Result.MaxScore && Result.MinScore <= submited.TotalScore && (Result.MaxScoreOperator == "<=" && Result.MinScoreOperator == "<="))
                                || (submited.TotalScore <= Result.MaxScore && Result.MinScore < submited.TotalScore && (Result.MaxScoreOperator == "<=" && Result.MinScoreOperator == "<"))
                                || (submited.TotalScore < Result.MaxScore && Result.MinScore < submited.TotalScore && (Result.MaxScoreOperator == "<" && Result.MinScoreOperator == "<"))
                                || (submited.TotalScore < Result.MaxScore && Result.MinScore <= submited.TotalScore && (Result.MaxScoreOperator == "<" && Result.MinScoreOperator == "<="))
                                )
                                )
                                || (Result.ResultTypeDetailID == null)
                              )
                               && submited.CoursematerialID == CoursematerialID && submited.StarttermID == StartTermID && submited.UserID == UserID
                        select new SubmitedScoreView
                        {
                            SubmitedScoreID = submited.SubmitedScoreID,
                            UserID = submited.UserID,
                            LoginID = submited.CF_Student.Sys_User.LoginID,
                            UserName = submited.CF_Student.Sys_User.Name,
                            SchoolyearID = submited.SchoolyearID,
                            SchoolyearCode = submited.CF_Schoolyear.Code,
                            Schoolyear = submited.CF_Schoolyear.Years,
                            CourseName = submited.EM_Coursematerial.CourseName,
                            CourseCode = submited.EM_Coursematerial.CourseCode,
                            TotalScore = submited.TotalScore,

                            //暂时按此种逻辑处理。。后续优化（廖兵良）
                            TotalScoreStr = submited.TotalScore < 60 ? "重修" : ((submited.ExamsStateID == examsState || submited.ExamsStateID == 10) ? (Result.Name ?? ((double)Math.Round(submited.TotalScore.Value, 1)).ToString()) : examsStatetb.Name),
                            ScoreCredit = submited.ScoreCredit,
                            CoursetypeName = courseTypetb.Name,
                            CreateTime = submited.CreateTime,
                            OperaUser = opera.Name,
                            ExamsCategoryName = examsCategorytb.Name,
                            ExamsStateName = examsStatetb.Name,
                            CoursematerialID = submited.CoursematerialID,
                            StarttermID = submited.StarttermID,
                            Remarks = submited.Remark,
                            StudentScoreRemark = submited.Remark,
                        };

            return query.ToList();
        }
    }
}