using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.ScoreManage;
using EMIS.ViewModel;
using EMIS.CommonLogic.SystemServices;
using EMIS.Entities;
using System.Linq.Expressions;
using EMIS.DataLogic.ScoreManage;
using EMIS.CommonLogic.CalendarManage;
using System.Transactions;
using EMIS.DataLogic.EducationManage;
using EMIS.Utility;

namespace EMIS.CommonLogic.ScoreManage
{
    public class ScoreConvertByApplyServices : BaseWorkflowServices<ER_ScoreConvertByApply>, IScoreConvertByApplyServices, IFileUploadServices
    {
        public StudentScoreDAL studentScoreDAL { get; set; }
        public ScoreConvertByApplyDAL scoreConvertByApplyDAL { get; set; }
        public ISchoolYearServices schoolYearServices { get; set; }
        public IParameterServices parameterServices { get; set; }
        public ExecutablePlanDAL ExecutablePlanDAL { get; set; }
        public IStudentScoreServices studentScoreServices { get; set; }

        public IGridResultSet<ScoreConvertByApplyView> GetScoreConvertByApplyViewGrid(ConfiguretView conditionView, Guid? schoolyearID, Guid? collegeID,
            int? yearID, int? standardID, Guid? classmajorID, Guid? coursematerialID, int? recordStatus, int? pageIndex, int? pageSize)
        {
            var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
            var statusViewList = this.GetStatusViewList();
            Expression<Func<ER_ScoreConvertByApply, bool>> exp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultyExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classExp = (x => true);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                gradeExp = gradeExp.And(x => x.GradeID == yearID);
            }
            if (standardID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                classExp = classExp.And(x => x.ClassmajorID == classmajorID.Value);
            }
            if (coursematerialID.HasValue)
            {
                exp = exp.And(x => x.CoursematerialID == coursematerialID);
            }
            if (recordStatus.HasValue)
            {
                exp = exp.And(x => x.RecordStatus == recordStatus);
            }
            //学生登录只看到自己的信息
            if (curUser.IsStudent)
            {
                exp = exp.And(x => x.UserID == curUser.UserID);
            }
            var query = scoreConvertByApplyDAL.GetScoreConvertByApplyViewQueryable(exp, facultyExp, gradeExp, classExp);

            if (!string.IsNullOrEmpty(conditionView.ConditionValue))
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue.Trim());
            
            query = this.GetQueryByDataRangeByCollege(query);

            query = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
                .ThenBy(x => x.StandardID)
                .ThenBy(x => x.ClassmajorNo)
                .ThenBy(x => x.LoginID);

            var result = query.ToGridResultSet(pageIndex, pageSize);

            result.rows.ForEach(x => x.RecordStatusDesc = statusViewList.Where(w => w.ID == x.RecordStatus).Select(w => w.Name).FirstOrDefault());

            return result;
        }

        public List<ScoreConvertByApplyView> GetScoreConvertByApplyViewList(ConfiguretView conditionView, Guid? schoolyearID, Guid? collegeID,
            int? yearID, int? standardID, Guid? classmajorID, Guid? coursematerialID, int? recordStatus, List<Guid?> idList)
        {
            var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
            var statusViewList = this.GetStatusViewList();
            Expression<Func<ER_ScoreConvertByApply, bool>> exp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultyExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classExp = (x => true);

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                gradeExp = gradeExp.And(x => x.GradeID == yearID);
            }
            if (standardID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                classExp = classExp.And(x => x.ClassmajorID == classmajorID.Value);
            }
            if (coursematerialID.HasValue)
            {
                exp = exp.And(x => x.CoursematerialID == coursematerialID);
            }
            if (recordStatus.HasValue)
            {
                exp = exp.And(x => x.RecordStatus == recordStatus);
            }
            if (idList != null && idList.Count > 0)
            {
                exp = exp.And(x => idList.Contains(x.ScoreConvertByApplyID));
            }
            //学生登录只看到自己的信息
            if (curUser.IsStudent)
            {
                exp = exp.And(x => x.UserID == curUser.UserID);
            }
            var query = scoreConvertByApplyDAL.GetScoreConvertByApplyViewQueryable(exp, facultyExp, gradeExp, classExp);

            if (!string.IsNullOrEmpty(conditionView.ConditionValue))
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue.Trim());

            query = this.GetQueryByDataRangeByCollege(query);

            query = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
                .ThenBy(x => x.StandardID)
                .ThenBy(x => x.ClassmajorNo)
                .ThenBy(x => x.LoginID);

            var result = query.ToList();

            result.ForEach(x => x.RecordStatusDesc = statusViewList.Where(w => w.ID == x.RecordStatus).Select(w => w.Name).FirstOrDefault());

            return result;
        }

        public ScoreConvertByApplyView GetScoreConvertByApplyView(Guid? scoreConvertByApplyID)
        {
            var statusViewList = this.GetStatusViewList();
            var scoreConvertByApplyView = this.scoreConvertByApplyDAL.GetScoreConvertByApplyViewQueryable(x => x.ScoreConvertByApplyID == scoreConvertByApplyID,
                (x => true), (x => true), (x => true)).FirstOrDefault();

            if (scoreConvertByApplyView != null)
            {
                scoreConvertByApplyView.RecordStatusDesc = statusViewList.Where(x => x.ID == scoreConvertByApplyView.RecordStatus).Select(x => x.Name).FirstOrDefault();
            }

            return scoreConvertByApplyView;
        }

        public void Save(ScoreConvertByApplyView scoreConvertByApplyView, List<FileUploadView> fileList)
        {
            try
            {
                var statusViewList = this.GetStatusViewList();
                var status = this.GetStartStatus();
                var returnStatus = this.GetBackpointStatus();
                var schoolyear = schoolYearServices.GetCurrentSchoolYear();
                ER_ScoreConvertByApply dbScoreConvert = scoreConvertByApplyDAL.scoreConvertByApplyRepository.Entities.Where(x =>
                    x.ScoreConvertByApplyID == scoreConvertByApplyView.ScoreConvertByApplyID
                    && x.UserID == scoreConvertByApplyView.UserID
                    && x.ScoreConvertByApplyID != scoreConvertByApplyView.ScoreConvertByApplyID).FirstOrDefault();

                if (dbScoreConvert != null)
                {
                    throw new Exception("该课程已经申请过认定，不能重复申请。");
                }

                ER_ScoreConvertByApply scoreConvert = null;
                List<ER_ScoreConvertByApplyAttachment> addAttachmentList = new List<ER_ScoreConvertByApplyAttachment>();
                var dbScoreConvertByApply = scoreConvertByApplyDAL.scoreConvertByApplyRepository.GetSingle(x => x.ScoreConvertByApplyID == scoreConvertByApplyView.ScoreConvertByApplyID);
                if (dbScoreConvertByApply == null)
                {
                    scoreConvert = new ER_ScoreConvertByApply();
                    scoreConvert.ScoreConvertByApplyID = Guid.NewGuid();
                    SetNewStatus(scoreConvert);
                    UnitOfWork.Add(scoreConvert);
                    if (fileList != null && fileList.Count > 0)
                    {
                        foreach (var file in fileList)
                        {
                            ER_ScoreConvertByApplyAttachment attachment = new ER_ScoreConvertByApplyAttachment();
                            attachment.ScoreConvertByApplyAttachmentID = Guid.NewGuid();
                            attachment.ScoreConvertByApplyID = scoreConvert.ScoreConvertByApplyID;
                            attachment.Name = file.FileName;
                            attachment.Url = file.FileUrl;
                            this.SetNewStatus(attachment);
                            scoreConvert.ER_ScoreConvertByApplyAttachment.Add(attachment);
                        }
                    }
                }
                else
                {
                    scoreConvert = this.scoreConvertByApplyDAL.scoreConvertByApplyRepository
                        .GetSingle(x => x.ScoreConvertByApplyID == scoreConvertByApplyView.ScoreConvertByApplyID);
                    if (scoreConvert.RecordStatus != status && !returnStatus.Contains(scoreConvert.RecordStatus))
                    {
                        throw new Exception("该信息处于待审核或已通过状态，不能修改");
                    }
                    if (scoreConvert == null)
                    {
                        throw new Exception("当前编辑的记录可能已被其他人删除。");
                    }
                    SetModifyStatus(scoreConvert);
                    if (scoreConvertByApplyView.IsChangeAttachment == 1)
                    {
                        UnitOfWork.Remove<ER_ScoreConvertByApplyAttachment>(x => x.ScoreConvertByApplyID == scoreConvertByApplyView.ScoreConvertByApplyID);
                        if (fileList != null && fileList.Count > 0)
                        {
                            foreach (var file in fileList)
                            {
                                ER_ScoreConvertByApplyAttachment attachment = new ER_ScoreConvertByApplyAttachment();
                                attachment.ScoreConvertByApplyAttachmentID = Guid.NewGuid();
                                attachment.ScoreConvertByApplyID = scoreConvert.ScoreConvertByApplyID;
                                attachment.Name = file.FileName;
                                attachment.Url = file.FileUrl;
                                this.SetNewStatus(attachment);
                                scoreConvert.ER_ScoreConvertByApplyAttachment.Add(attachment);
                                //addAttachmentList.Add(attachment);
                            }
                        }
                    }
                }

                scoreConvert.SchoolyearID = schoolyear.SchoolYearID;
                scoreConvert.UserID = scoreConvertByApplyView.UserID;
                scoreConvert.CoursematerialID = scoreConvertByApplyView.CoursematerialID;
                scoreConvert.TotalScore = scoreConvertByApplyView.TotalScore;
                scoreConvert.Reason = scoreConvertByApplyView.Reason;

                UnitOfWork.Commit();
            }
            catch (Exception)
            {
                throw;
            }
        }

        public void Delete(IList<Guid?> scoreConvertByApplyIDList)
        {
            if (scoreConvertByApplyIDList.Count > 0)
            {
                var canDeleteStatus = new List<int?>();

                canDeleteStatus.Add(this.GetStartStatus());
                canDeleteStatus.AddRange(this.GetBackpointStatus());
                var canDeleteStatusDesc = this.GetStatusViewList().Where(x => canDeleteStatus.Contains(x.ID)).Select(x => x.Name);

                var scoreConvertByApplyList = scoreConvertByApplyDAL.scoreConvertByApplyRepository.GetList(x => scoreConvertByApplyIDList.Contains(x.ScoreConvertByApplyID)).ToList();

                if (scoreConvertByApplyList.Any(x => !canDeleteStatus.Contains(x.RecordStatus)))
                {
                    throw new Exception("只能删除状态为" + string.Join("、", canDeleteStatusDesc) + "的记录。");
                }
                UnitOfWork.Delete<ER_ScoreConvertByApplyAttachment>(x => scoreConvertByApplyIDList.Contains(x.ScoreConvertByApplyID));
                UnitOfWork.Delete<ER_ScoreConvertByApply>(x => scoreConvertByApplyIDList.Contains(x.ScoreConvertByApplyID));
            }
        }

        public List<FileUploadView> GetFileList(Guid? formID)
        {
            //var socDetailAttachment = SOCDAL.SOCDetailAttachmentRepository.GetSingle(x => x.SOCDetailID == formID);
            var fileList = scoreConvertByApplyDAL.GetScoreConvertByApplyAttachmentView(x => x.ScoreConvertByApplyID == formID).ToList();
            return fileList;
        }

        public void Submit(List<Guid> scoreConvertByReplaceIDList, Guid? userID)
        {

            try
            {
                this.StartUp(scoreConvertByReplaceIDList, userID.Value);
            }
            catch (Exception)
            {
                
                throw;
            }
        }


        public void ScoreConvertByApplyApprove(List<Guid> idList, Guid userID, Guid actionID, string comment)
        {
            try
            {
                this.Approve(idList, userID, actionID, comment);
            }
            catch (Exception)
            {
                
                throw;
            }
        }

        public IGridResultSet<FileUploadView> GetAttachment(Guid? scoreConvertByApplyID, int? pageIndex, int? pageSize)
        {
            var attachment = scoreConvertByApplyDAL.GetScoreConvertByApplyAttachmentView(x => x.ScoreConvertByApplyID == scoreConvertByApplyID);
            return attachment.ToGridResultSet(pageIndex, pageSize);
        }

        public void OnApproveEnd(List<Guid> scoreConvertByApplyIDList, Guid? userID)
        {
            //获取默认绩点公式
            var gradePointFormula = scoreConvertByApplyDAL.GetDefaultGradePointFormula().FirstOrDefault();
            //ER_GradePointFormula
            var scoreConvertByApplyList = scoreConvertByApplyDAL.scoreConvertByApplyRepository.GetList(x => scoreConvertByApplyIDList.Contains(x.ScoreConvertByApplyID)).ToList();
            var selectKeyList = scoreConvertByApplyList.Select(x => new { x.UserID, CoursematerialID = x.CoursematerialID }).ToList();
            //var submitedScoreList = studentScoreDAL.submitedScoreRepository.Entities.SelectByKeys(selectKeyList);
            //var submitedScoreIDList = submitedScoreList.Select(x => (Guid?)x.SubmitedScoreID);
            //var submitedScoreDetailList = studentScoreDAL.SubmitedScoreDetailRepository.GetList(x => submitedScoreIDList.Contains(x.SubmitedScoreID)).ToList();
            //var finallyScoreList = studentScoreDAL.FinallyScoreRepository.Entities.SelectByKeys(selectKeyList);
            //var finallyScoreIDList = finallyScoreList.Select(x => (Guid?)x.FinallyScoreID);
            //var finallyScoreDetailList = studentScoreDAL.FinallyScoreDetailRepository.GetList(x => finallyScoreIDList.Contains(x.FinallyScoreID)).ToList();

            var lastCourseStarttermViewList = ExecutablePlanDAL.GetLastCourseStarttermViewQueryable().SelectByKeys(selectKeyList);

            //var insertSubmitedScoreBackupList = new List<ER_ScoreConvertedSubmitedScore>();
            //var insertSubmitedScoreDetailBackupList = new List<ER_ScoreConvertedSubmitedScoreDetail>();
            var insertSubmitedScoreList = new List<ER_SubmitedScore>();
            var insertSubmitedScoreDetailList = new List<ER_SubmitedScoreDetail>();

            foreach (var scoreConvertByApply in scoreConvertByApplyList)
            {
                var submitedScore = lastCourseStarttermViewList.FirstOrDefault(x => x.UserID == scoreConvertByApply.UserID && x.CoursematerialID == scoreConvertByApply.CoursematerialID);
                var insertSubmitedScore = new ER_SubmitedScore
                {
                    SubmitedScoreID = Guid.NewGuid(),
                    SchoolyearID = submitedScore.SchoolyearID,
                    SchoolyearNumID = submitedScore.SchoolyearNumID,
                    DepartmentID = submitedScore.DepartmentID,
                    ClassName = submitedScore.ClassName,
                    CoursematerialID = submitedScore.CoursematerialID,
                    CourseTypeID = submitedScore.CourseTypeID,
                    ExamsCategoryID = (int)EMIS.ViewModel.CF_ExamsCategory.FinalExam,
                    ExaminationModeID = submitedScore.ExaminationModeID,
                    HandleModeID = submitedScore.HandleModeID,
                    Credit = submitedScore.Credit,
                    TotalHours = submitedScore.TotalHours,
                    ResultTypeID = submitedScore.ResultTypeID,
                    CreatorUserID = userID,
                    IsEntry = true,
                    ExaminationType = (int)EMIS.ViewModel.CF_ExaminationType.FinalExamination,
                    StarttermID = submitedScore.StarttermID,
                    UserID = submitedScore.UserID,
                    ExamsStateID = (int)CF_ExamsState.NormalExams,
                    TotalScore = scoreConvertByApply.TotalScore,
                    ScoreCredit = scoreConvertByApply.TotalScore >= 60 ? submitedScore.Credit : 0,
                    GradePoint = gradePointFormula == null ? 0 : (scoreConvertByApply.TotalScore >= gradePointFormula.GradePointlimit ? (1 + gradePointFormula.GradePointFloor * (scoreConvertByApply.TotalScore - gradePointFormula.GradePointlimit)) : 0),
                    Remark = Const.ER_SCORECONVERT_BYREPLACE_SCOREREMARK,
                    RecordStatus = (int)SYS_STATUS.USABLE,
                    CreateUserID = userID,
                    CreateTime = DateTime.Now,
                    ModifyUserID = userID,
                    ModifyTime = DateTime.Now
                };

                insertSubmitedScoreList.Add(insertSubmitedScore);
            }
            var insertSubmitedScoreIDList = insertSubmitedScoreList.Select(x => x.SubmitedScoreID).ToList();

            using (var scope = new TransactionScope(TransactionScopeOption.Required))
            {
                UnitOfWork.BulkInsert(insertSubmitedScoreList);

                studentScoreServices.RefreshFinallyScoreBySubmitedScoreID(insertSubmitedScoreIDList);

                scope.Complete();
            }

        }
    }
}