using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Transactions;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.CommonLogic.SystemServices;
using EMIS.DataLogic.FeeManage;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.ViewModel.FeeManage;
using MRMS.Utility;
using EMIS.Utility.FormValidate;
using EMIS.DataLogic.Repositories;

namespace EMIS.CommonLogic.FeeManage
{
    public class FeeServices : BaseServices, IFeeServices
    {
        public FeeDAL FeeDAL { get; set; }

        public InvalidReceiptDAL InvalidReceiptDAL { get; set; }

        public Lazy<IParameterServices> ParameterServices { get; set; }

        public ReceiptRepository ReceiptRepository { get; set; }

        public ReceiptView GetReceiptView()
        {
            ReceiptView receiptView = new ReceiptView();
            var userID = CustomPrincipal.Current.UserID;

            var receipt = ReceiptRepository.GetSingle(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE
                && x.UserID == userID);
            if (receipt != null)
            {
                receiptView.StartNo = receipt.ReceiptStartNo;
                receiptView.EndNo = receipt.ReceiptEndNo;
            }

            return receiptView;
        }

        public IGridResultSet<StudentFeeView> GetStudentFeeViewGrid(ConfiguretView conditionView, Guid? schoolyearID, Guid? examinationBatchID, Guid? examinationTypeID, 
            Guid? examinationProjectID, int? schoolAreaID, Guid? collegeID, int? yearID, Guid? classmajorID, int? recordStatus, bool? isConfirm, DateTime? startDate, DateTime? endDate, int? payWay,
            DateTime? refundStartDate, DateTime? refundEndDate, int? pageIndex, int? pageSize)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => true);
            Expression<Func<EX_ExaminationType, bool>> typeExp = (x => true);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<EX_ExaminationRegistration, bool>> registExp = (x => true);
            Expression<Func<CF_College, bool>> collegeExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> grademajorExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classmajorExp = (x => true);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examinationBatchID.HasValue)
            {
                batchExp = batchExp.And(x => x.ExaminationBatchID == examinationBatchID);
            }
            if (examinationTypeID.HasValue)
            {
                typeExp = typeExp.And(x => x.ExaminationTypeID == examinationTypeID);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (schoolAreaID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolAreaID == schoolAreaID);
            }
            if (collegeID.HasValue)
            {
                facultExp = facultExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolyearID == yearID);
            }
            if (classmajorID.HasValue)
            {
                classmajorExp = classmajorExp.And(x => x.ClassmajorID == classmajorID);
            }
            if (recordStatus.HasValue)
            {
                registExp = registExp.And(x => x.RecordStatus == recordStatus);
            }
            if (isConfirm.HasValue)
            {
                if (isConfirm.Value)
                {
                    registExp = registExp.And(x => x.ExaminationRegistrationConfirmID != null);
                }
                else
                {
                    registExp = registExp.And(x => x.ExaminationRegistrationConfirmID == null);
                }
            }

            if (startDate.HasValue)
            {
                registExp = registExp.And(x => x.PayTime >= startDate);
            }
            if (endDate.HasValue)
            {
                var correctEndDate = endDate.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.PayTime < correctEndDate);
            }

            if (refundStartDate.HasValue)
            {
                registExp = registExp.And(x => x.RefundTime >= refundStartDate);
            }
            if (refundEndDate.HasValue)
            {
                var correctRefundEndDate = refundEndDate.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.RefundTime < correctRefundEndDate);
            }

            var query = FeeDAL.GetStudentFeeViewQueryable(batchExp, typeExp, projectExp, registExp, collegeExp, facultExp, grademajorExp, classmajorExp);
            if(payWay.HasValue)
            {
                query = query.Where(x => x.PayWay == payWay);
            }

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

            var result = GetQueryByDataRangeByCollege(query);

            return result.OrderBy(x => x.ExaminationTypeName).ThenBy(x => x.ExaminationProjectName).ThenBy(x => x.FeeTypeID).ThenBy(x => x.UserName).ToGridResultSet<StudentFeeView>(pageIndex, pageSize);
        }

        public List<StudentFeeView> GetStudentFeeViewList(ConfiguretView conditionView, Guid? schoolyearID, Guid? examinationBatchID, Guid? examinationTypeID, 
            Guid? examinationProjectID, int? schoolAreaID, Guid? collegeID, int? yearID, Guid? classmajorID, int? recordStatus, bool? isConfirm, DateTime? startDate, DateTime? endDate, int? payWay,
            DateTime? refundStartDate, DateTime? refundEndDate, IList<Guid> examinationRegistrationIDList)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => true);
            Expression<Func<EX_ExaminationType, bool>> typeExp = (x => true);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<EX_ExaminationRegistration, bool>> registExp = (x => true);
            Expression<Func<CF_College, bool>> collegeExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> grademajorExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classmajorExp = (x => true);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examinationBatchID.HasValue)
            {
                batchExp = batchExp.And(x => x.ExaminationBatchID == examinationBatchID);
            }
            if (examinationTypeID.HasValue)
            {
                typeExp = typeExp.And(x => x.ExaminationTypeID == examinationTypeID);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (schoolAreaID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolAreaID == schoolAreaID);
            }
            if (collegeID.HasValue)
            {
                facultExp = facultExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolyearID == yearID);
            }
            if (classmajorID.HasValue)
            {
                classmajorExp = classmajorExp.And(x => x.ClassmajorID == classmajorID);
            }
            if (recordStatus.HasValue)
            {
                registExp = registExp.And(x => x.RecordStatus == recordStatus);
            }
            if (isConfirm.HasValue)
            {
                if (isConfirm.Value)
                {
                    registExp = registExp.And(x => x.ExaminationRegistrationConfirmID != null);
                }
                else
                { 
                    registExp = registExp.And(x => x.ExaminationRegistrationConfirmID == null);
                }
            }
            if (startDate.HasValue)
            {
                registExp = registExp.And(x => x.PayTime >= startDate);
            }
            if (endDate.HasValue)
            {
                var correctEndDate = endDate.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.PayTime < correctEndDate);
            }

            if (refundStartDate.HasValue)
            {
                registExp = registExp.And(x => x.RefundTime >= refundStartDate);
            }
            if (refundEndDate.HasValue)
            {
                var correctRefundEndDate = refundEndDate.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.RefundTime < correctRefundEndDate);
            }
            if (examinationRegistrationIDList.Count > 0)
            {
                registExp = registExp.And(x => examinationRegistrationIDList.Contains(x.ExaminationRegistrationID));
            }

            var query = FeeDAL.GetStudentFeeViewQueryable(batchExp, typeExp, projectExp, registExp, collegeExp, facultExp, grademajorExp, classmajorExp);

            if (payWay.HasValue)
            {
                query = query.Where(x => x.PayWay == payWay);
            }
            if (!string.IsNullOrEmpty(conditionView.ConditionValue) && !string.IsNullOrEmpty(conditionView.Attribute))
            {
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue);
            }

            var result = GetQueryByDataRangeByCollege(query);

            return result.OrderByDescending(x => x.SchoolyearCode).ThenBy(x => x.ExaminationBatchName)
                .ThenBy(x => x.ExaminationProjectName).ThenBy(x => x.ClassmajorName).ThenBy(x => x.UserName)
                .ToList();
        }

        public decimal GetStudentFeeViewListSum(ConfiguretView conditionView, Guid? schoolyearID, Guid? examinationBatchID, Guid? examinationTypeID,
            Guid? examinationProjectID, int? schoolAreaID, Guid? collegeID, int? yearID, Guid? classmajorID, int? recordStatus, bool? isConfirm, DateTime? startDate, DateTime? endDate, int? payWay,
            DateTime? refundStartDate, DateTime? refundEndDate)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => true);
            Expression<Func<EX_ExaminationType, bool>> typeExp = (x => true);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<EX_ExaminationRegistration, bool>> registExp = (x => true);
            Expression<Func<CF_College, bool>> collegeExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> grademajorExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classmajorExp = (x => true);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examinationBatchID.HasValue)
            {
                batchExp = batchExp.And(x => x.ExaminationBatchID == examinationBatchID);
            }
            if (examinationTypeID.HasValue)
            {
                typeExp = typeExp.And(x => x.ExaminationTypeID == examinationTypeID);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (schoolAreaID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolAreaID == schoolAreaID);
            }
            if (collegeID.HasValue)
            {
                facultExp = facultExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolyearID == yearID);
            }
            if (classmajorID.HasValue)
            {
                classmajorExp = classmajorExp.And(x => x.ClassmajorID == classmajorID);
            }
            if (recordStatus.HasValue)
            {
                registExp = registExp.And(x => x.RecordStatus == recordStatus);
            }
            if (isConfirm.HasValue)
            {
                if (isConfirm.Value)
                {
                    registExp = registExp.And(x => x.ExaminationRegistrationConfirmID != null);
                }
                else
                {
                    registExp = registExp.And(x => x.ExaminationRegistrationConfirmID == null);
                }
            }
            if (startDate.HasValue)
            {
                registExp = registExp.And(x => x.PayTime >= startDate);
            }
            if (endDate.HasValue)
            {
                var correctEndDate = endDate.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.PayTime < correctEndDate);
            }

            if (refundStartDate.HasValue)
            {
                registExp = registExp.And(x => x.RefundTime >= refundStartDate);
            }
            if (refundEndDate.HasValue)
            {
                var correctRefundEndDate = refundEndDate.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.RefundTime < correctRefundEndDate);
            }

            var query = FeeDAL.GetStudentFeeViewQueryable(batchExp, typeExp, projectExp, registExp, collegeExp, facultExp, grademajorExp, classmajorExp);
            if (payWay.HasValue)
            {
                query = query.Where(x => x.PayWay == payWay);
            }
            if (!string.IsNullOrEmpty(conditionView.ConditionValue) && !string.IsNullOrEmpty(conditionView.Attribute))
            {
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue);
            }

            var result = GetQueryByDataRangeByCollege(query);

            return result.Sum(x => x.Fee) ?? 0;
        }

        public void SaveInvalidReceipt(string invalidReceiptNo)
        {
            var dupReceipt = InvalidReceiptDAL.InvalidReceiptRepository.GetSingle(x => x.ReceiptNo == invalidReceiptNo);

            if (dupReceipt != null)
            { 
                throw new Exception("该收据已经作废，无需重复作废。");
            }

            var invalidReceipt = new EX_InvalidReceipt();
            invalidReceipt.InvalidReceiptID = Guid.NewGuid();
            invalidReceipt.ReceiptNo = invalidReceiptNo;
            this.SetNewStatus(invalidReceipt);

            this.UnitOfWork.Add(invalidReceipt);
            this.UnitOfWork.Commit();
        }

        public void SaveReceiptView(ReceiptView receiptView)
        {
            if (receiptView.StartNo.Length != receiptView.EndNo.Length)
            {
                throw new Exception("开始号码和结束号码长度不一致，请检查。");
            }
            var userID = CustomPrincipal.Current.UserID;

            var allReceiptList = this.ReceiptRepository.Entities.ToList();
            foreach (var oldReceipt in allReceiptList)
            {
                if (OperateSerialNo.CheckRangeContentedValue(oldReceipt.ReceiptStartNo, oldReceipt.ReceiptEndNo, receiptView.StartNo)
                    || OperateSerialNo.CheckRangeContentedValue(oldReceipt.ReceiptStartNo, oldReceipt.ReceiptEndNo, receiptView.EndNo))
                {
                    throw new Exception("收据号码全部或部分已经被使用，请重新输入。");
                }
            }

            this.UnloadReceipt();

            EX_Receipt receipt = new EX_Receipt();
            receipt.ReceiptID = Guid.NewGuid();
            receipt.UserID = userID;
            receipt.ReceiptStartNo = receiptView.StartNo;
            receipt.ReceiptEndNo = receiptView.EndNo;
            receipt.CurrentReceipNo = receiptView.StartNo;
            this.SetNewStatus(receipt);

            this.UnitOfWork.Update<EX_Receipt>(x => new EX_Receipt { RecordStatus = (int)SYS_STATUS.UNUSABLE }, x => x.UserID == userID);
            this.UnitOfWork.Add(receipt);
            this.UnitOfWork.Commit();

            //ParameterServices.Value.SaveTo(CF_ParameterType.ReceiptStartNo, receiptView.StartNo);
            //ParameterServices.Value.SaveTo(CF_ParameterType.ReceiptEndNo, receiptView.EndNo);
            //ParameterServices.Value.SaveTo(CF_ParameterType.CurrentReceiptNo, receiptView.StartNo);

            //this.UnitOfWork.Delete<EX_InvalidReceipt>(x => true);
        }

        public IGridResultSet<StudentFeeDetailView> GetStudentFeeDetailViewGrid(ConfiguretView conditionView, string examinationRegistConfirmNo, int? pageIndex, int? pageSize)
        {
            Expression<Func<EX_ExaminationRegistrationConfirm, bool>> confirmExp = (x => true);

            if (!string.IsNullOrEmpty(examinationRegistConfirmNo))
            {
                confirmExp = confirmExp.And(x => x.No == examinationRegistConfirmNo);
            }

            var query = FeeDAL.GetStudentFeeDetailViewQueryable(confirmExp);

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

            return query.OrderBy(x => x.ExaminationTypeName).ThenBy(x => x.ExaminationProjectName).ThenBy(x => x.FeeTypeID).ThenBy(x => x.UserName).ToGridResultSet(pageIndex, pageSize);
        }

        public decimal GetStudentFeeDetailTotal(ConfiguretView conditionView, string examinationRegistConfirmNo)
        {
            Expression<Func<EX_ExaminationRegistrationConfirm, bool>> confirmExp = (x => true);

            if (!string.IsNullOrEmpty(examinationRegistConfirmNo))
            {
                confirmExp = confirmExp.And(x => x.No == examinationRegistConfirmNo);
            }

            var query = FeeDAL.GetStudentFeeDetailViewQueryable(confirmExp);

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

            return query.Sum(x => x.Fee) ?? 0;
        }

        private string GetCurrentReceiptNo()
        {
            List<string> invalidReceiptNoList = InvalidReceiptDAL.GetInvalidReceipt().ToList();
            var userID = CustomPrincipal.Current.UserID;
            var receipt = ReceiptRepository.GetSingle(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE
                && x.UserID == userID);
            if (receipt == null)
            {
                throw new Exception("未装载收据号，请先装载。");
            }
            string currentReceiptNo = receipt.CurrentReceipNo;
            string receiptStartNo = receipt.ReceiptStartNo;
            string receiptEndNo = receipt.ReceiptEndNo;

            while (invalidReceiptNoList.Contains(currentReceiptNo))
            {
                currentReceiptNo = OperateSerialNo.CardSerialNoAddNum(currentReceiptNo, 1);
            }

            string nextReceiptNo = OperateSerialNo.CardSerialNoAddNum(currentReceiptNo, 1);

            while (invalidReceiptNoList.Contains(nextReceiptNo))
            {
                nextReceiptNo = OperateSerialNo.CardSerialNoAddNum(nextReceiptNo, 1);
            }

            if (!OperateSerialNo.CheckRangeContentedValue(receiptStartNo, receiptEndNo, currentReceiptNo))
            {
                throw new Exception("收据号已经用完，请重新设置。");
            }

            receipt.CurrentReceipNo = nextReceiptNo;
            this.SetModifyStatus(receipt);
            this.UnitOfWork.Commit();

            return currentReceiptNo;
        }
        public string GetProductId()
        {
            DateTime today = DateTime.Today;
            string productId = ParameterServices.Value.GetParameterValue(CF_ParameterType.ReceiptNo);

            int seed = 1;
            if (productId != null)
            {
                if (productId.Substring(0, 8) == today.ToString("yyyyMMdd"))
                {
                    seed = Convert.ToInt32(productId.Substring(8, productId.Length - 8)) + 1;
                }
            }

            productId = today.ToString("yyyyMMdd") + seed.ToString().PadLeft(3, '0');
            ParameterServices.Value.SaveTo(CF_ParameterType.ReceiptNo, productId);

            return productId;
        }

        public PrintView PrintSave(string examinationRegistConfirmNo)
        {
            var examinationRegistConfirm = this.FeeDAL.ExaminationRegistrationConfirmRepository.GetSingle(x => x.No == examinationRegistConfirmNo);

            if (examinationRegistConfirm == null)
            {
                throw new Exception("打印错误，无法找到该确认单号，请检查输入。");
            }

            string currentReceiptNo = this.GetCurrentReceiptNo();
            DateTime nowTime = DateTime.Now;

            examinationRegistConfirm.ReceiptNo = currentReceiptNo;
            this.SetModifyStatus(examinationRegistConfirm);
            examinationRegistConfirm.Receiver = examinationRegistConfirm.ModifyUserID;

            using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = IsolationLevel.RepeatableRead }))
            {
                this.UnitOfWork.Commit();

                this.UnitOfWork.Update<EX_ExaminationRegistration>((x => new EX_ExaminationRegistration { PayTime = nowTime, RecordStatus = (int)EX_ExaminationRegistrationStatus.Paid }), 
                    (x => x.ExaminationRegistrationConfirmID == examinationRegistConfirm.ExaminationRegistrationConfirmID));

                scope.Complete();
            }

            var printView = FeeDAL.GetPrintViewQueryable(x => x.No == examinationRegistConfirmNo).FirstOrDefault();

            return printView;
        }

        public PrintGDCXView PrintSaveGDCX(string examinationRegistConfirmNo)
        {
            var userName = CustomPrincipal.Current.Name;
            var examinationRegistConfirm = this.FeeDAL.ExaminationRegistrationConfirmRepository.GetSingle(x => x.No == examinationRegistConfirmNo);

            if (examinationRegistConfirm == null)
            {
                throw new Exception("打印错误，无法找到该确认单号，请检查输入。");
            }

            string currentReceiptNo = this.GetProductId();
            DateTime nowTime = DateTime.Now;

            examinationRegistConfirm.ReceiptNo = currentReceiptNo;
            this.SetModifyStatus(examinationRegistConfirm);
            examinationRegistConfirm.Receiver = examinationRegistConfirm.ModifyUserID;

            using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = IsolationLevel.RepeatableRead }))
            {
                this.UnitOfWork.Commit();

                this.UnitOfWork.Update<EX_ExaminationRegistration>((x => new EX_ExaminationRegistration { PayTime = nowTime, RecordStatus = (int)EX_ExaminationRegistrationStatus.Paid }),
                    (x => x.ExaminationRegistrationConfirmID == examinationRegistConfirm.ExaminationRegistrationConfirmID));

                scope.Complete();
            }

            var printView = FeeDAL.GetPrintGDCXViewQueryable(x => x.No == examinationRegistConfirmNo).FirstOrDefault();
            var projectView = FeeDAL.GetPrintProjectViewQueryable(x => x.No == examinationRegistConfirmNo).ToList();
            printView.projectList = projectView;
            printView.Operator = userName;
            return printView;
        }

        public void RefundOffline(RefundView refundView)
        {
            var user = CustomPrincipal.Current;
            var regist = this.FeeDAL.ExaminationRegistrationRepository.GetSingle(x => x.ExaminationRegistrationID == refundView.ExaminationRegistrationID);

            regist.BankName = refundView.BankName;
            regist.CardNo = refundView.CardNo;
            regist.RefundReason = refundView.RefundReason;
            regist.RecordStatus = (int)EX_ExaminationRegistrationStatus.Refunding;
            regist.RefundUserID = user.UserID;
            regist.RefundTime = DateTime.Now;

            this.SetModifyStatus(regist);

            UnitOfWork.Commit();
        }

        public RefundView GetRefundView(Guid examinationRegistrationID)
        {
            var refundView = this.FeeDAL.GetRefundViewQueryable(x => x.ExaminationRegistrationID == examinationRegistrationID 
            //&& x.RecordStatus == (int)EX_ExaminationRegistrationStatus.Paid
            ).FirstOrDefault();

            return refundView;
        }

        public void RefundConfirm(Guid examinationRegistrationID)
        {
            var regist = this.FeeDAL.ExaminationRegistrationRepository
                .GetSingle(x => x.ExaminationRegistrationID == examinationRegistrationID);

            regist.RefundConfirmUserID = CustomPrincipal.Current.UserID;
            regist.RefundConfirmTime = DateTime.Now;
            regist.RecordStatus = (int)EX_ExaminationRegistrationStatus.Refunded;

            this.SetModifyStatus(regist);

            UnitOfWork.Commit();
        }

        private IQueryable<StudentFeeClassStatisticView> GetStudentFeeClassStatisticViewQueryable(ConfiguretView conditionView, Guid? schoolyearID,
            Guid? examinationBatchID, Guid? examinationTypeID, Guid? examinationProjectID, Guid? collegeID, int? yearID, int? standardID,
            Guid? classmajorID)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => true);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> grademajorExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classmajorExp = (x => true);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examinationBatchID.HasValue)
            {
                batchExp = batchExp.And(x => x.ExaminationBatchID == examinationBatchID);
            }
            if (examinationTypeID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationTypeID == examinationTypeID);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (collegeID.HasValue)
            {
                facultExp = facultExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolyearID == yearID);
            }
            if (standardID.HasValue)
            {
                facultExp = facultExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                classmajorExp = classmajorExp.And(x => x.ClassmajorID == classmajorID);
            }
            var query = FeeDAL.GetStudentFeeClassStatisticViewQueryable(batchExp, projectExp, facultExp, grademajorExp, classmajorExp);

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

            var result = query;
                //GetQueryByDataRangeByCollege(query);

            return result;
        }

        private IQueryable<StudentFeeProjectStatisticView> GetStudentFeeProjectStatisticViewQueryable(ConfiguretView conditionView, Guid? schoolyearID,
            Guid? examinationBatchID, Guid? examinationTypeID, Guid? examinationProjectID,int? schoolAreaID, Guid? collegeID, int? yearID, int? standardID,
            Guid? classmajorID,DateTime? startdate, DateTime? enddate)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => true);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facultExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> grademajorExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classmajorExp = (x => true);
            Expression<Func<EX_ExaminationRegistration, bool>> registExp = (x => true);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examinationBatchID.HasValue)
            {
                batchExp = batchExp.And(x => x.ExaminationBatchID == examinationBatchID);
            }
            if (examinationTypeID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationTypeID == examinationTypeID);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (schoolAreaID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolAreaID == schoolAreaID);
            }
            if (collegeID.HasValue)
            {
                facultExp = facultExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                grademajorExp = grademajorExp.And(x => x.SchoolyearID == yearID);
            }
            if (standardID.HasValue)
            {
                facultExp = facultExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                classmajorExp = classmajorExp.And(x => x.ClassmajorID == classmajorID);
            }
            if (startdate.HasValue)
            {
                registExp = registExp.And(x => x.PayTime > startdate);
            }
            if (enddate.HasValue)
            {
                var correctEndDate = enddate.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.PayTime < correctEndDate);
            }
            var query = FeeDAL.GetStudentFeeProjectStatisticViewQueryable(batchExp, projectExp, facultExp, grademajorExp, classmajorExp, registExp);

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

            return query;
        }

        public IGridResultSet<StudentFeeClassStatisticView> GetStudentFeeClassStatisticViewGrid(ConfiguretView conditionView, Guid? schoolyearID, 
            Guid? examinationBatchID, Guid? examinationTypeID, Guid? examinationProjectID, Guid? collegeID, int? yearID, int? standardID, 
            Guid? classmajorID, int? pageIndex, int? pageSize)
        {
            var result = this.GetStudentFeeClassStatisticViewQueryable(conditionView, schoolyearID, examinationBatchID,
                examinationTypeID, examinationProjectID, collegeID, yearID, standardID, classmajorID);

            return result.OrderByDescending(x => x.CollegeName).ThenBy(x => x.ClassmajorName)
                .ThenBy(x => x.ExaminationTypeName).ThenBy(x => x.ExaminationProjectName).ThenBy(x => x.FeeTypeID)
                .ToGridResultSet(pageIndex, pageSize);
        }

        public List<StudentFeeClassStatisticView> GetStudentFeeClassStatisticViewList(ConfiguretView conditionView, Guid? schoolyearID, 
            Guid? examinationBatchID, Guid? examinationTypeID, Guid? examinationProjectID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID)
        {
            var result = this.GetStudentFeeClassStatisticViewQueryable(conditionView, schoolyearID, examinationBatchID,
                examinationTypeID, examinationProjectID, collegeID, yearID, standardID, classmajorID);

            return result.OrderByDescending(x => x.CollegeName).ThenBy(x => x.ClassmajorName)
                .ThenBy(x => x.ExaminationTypeName).ThenBy(x => x.ExaminationProjectName).ThenBy(x => x.FeeTypeID)
                .ToList();
        }

        public StudentFeeStatisticTotalView GetStudentFeeClassStatisticViewTotal(ConfiguretView conditionView, Guid? schoolyearID, 
            Guid? examinationBatchID, Guid? examinationTypeID, Guid? examinationProjectID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID)
        {
            var queryable = this.GetStudentFeeClassStatisticViewQueryable(conditionView, schoolyearID, examinationBatchID,
                examinationTypeID, examinationProjectID, collegeID, yearID, standardID, classmajorID);

            var resultQueryable = (from statistic in queryable 
                                   select new StudentFeeStatisticTotalView
                                   {
                                       TotalRegistCount = queryable.Sum(x => x.TotalRegistCount),
                                       TotalRegistAmount = queryable.Sum(x => x.TotalRegistAmount),
                                       TotalPaidCount = queryable.Sum(x => x.TotalPaidCount),
                                       TotalPaidAmount = queryable.Sum(x => x.TotalPaidAmount),
                                       TotalRefundCount = queryable.Sum(x => x.TotalRefundCount),
                                       TotalRefundAmount = queryable.Sum(x => x.TotalRefundAmount),
                                       TotalRefundApplyCount = queryable.Sum(x => x.TotalRefundApplyCount),
                                       TotalRefundApplyAmount = queryable.Sum(x => x.TotalRefundApplyAmount),
                                       TotalRefundingCount = queryable.Sum(x => x.TotalRefundingCount),
                                       TotalRefundingAmount = queryable.Sum(x => x.TotalRefundingAmount)
                                   });

            return resultQueryable.First();
        }

        public IGridResultSet<StudentFeeProjectStatisticView> GetStudentFeeProjectStatisticViewGrid(ConfiguretView conditionView, Guid? schoolyearID,
            Guid? examinationBatchID, Guid? examinationTypeID, Guid? examinationProjectID, int? schoolAreaID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID, DateTime? startdate, DateTime? enddate,
            int? pageIndex, int? pageSize)
        {
            var result = this.GetStudentFeeProjectStatisticViewQueryable(conditionView, schoolyearID, examinationBatchID,
                examinationTypeID, examinationProjectID, schoolAreaID, collegeID, yearID, standardID, classmajorID, startdate, enddate);

            return result.OrderByDescending(x => x.ExaminationBatchName)
                .ThenBy(x => x.ExaminationTypeName).ThenBy(x => x.ExaminationProjectName).ThenBy(x => x.FeeTypeID)
                .ToGridResultSet(pageIndex, pageSize);
        }

        public List<StudentFeeProjectStatisticView> GetStudentFeeProjectStatisticViewList(ConfiguretView conditionView, Guid? schoolyearID, Guid? examinationBatchID, 
            Guid? examinationTypeID, Guid? examinationProjectID,int? schoolAreaID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID, DateTime? startdate, DateTime? enddate)
        {
            var result = this.GetStudentFeeProjectStatisticViewQueryable(conditionView, schoolyearID, examinationBatchID,
                examinationTypeID, examinationProjectID, schoolAreaID, collegeID, yearID, standardID, classmajorID, startdate, enddate);

            return result.OrderByDescending(x => x.ExaminationBatchName)
                .ThenBy(x => x.ExaminationTypeName).ThenBy(x => x.ExaminationProjectName).ThenBy(x => x.FeeTypeID)
                .ToList();
        }

        public StudentFeeStatisticTotalView GetStudentFeeProjectStatisticViewTotal(ConfiguretView conditionView, Guid? schoolyearID, Guid? examinationBatchID, 
            Guid? examinationTypeID, Guid? examinationProjectID, int? schoolAreaID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID, DateTime? startdate, DateTime? enddate)
        {
            var queryable = this.GetStudentFeeProjectStatisticViewQueryable(conditionView, schoolyearID, examinationBatchID,
                examinationTypeID, examinationProjectID, schoolAreaID, collegeID, yearID, standardID, classmajorID, startdate, enddate);

            var resultQueryable = (from statistic in queryable
                                   select new StudentFeeStatisticTotalView
                                   {
                                       TotalRegistCount = queryable.Sum(x => x.TotalRegistCount),
                                       TotalRegistAmount = queryable.Sum(x => x.TotalRegistAmount),
                                       TotalPaidCount = queryable.Sum(x => x.TotalPaidCount),
                                       TotalPaidAmount = queryable.Sum(x => x.TotalPaidAmount),
                                       TotalRefundCount = queryable.Sum(x => x.TotalRefundCount),
                                       TotalRefundAmount = queryable.Sum(x => x.TotalRefundAmount),
                                       TotalRefundApplyCount = queryable.Sum(x => x.TotalRefundApplyCount),
                                       TotalRefundApplyAmount = queryable.Sum(x => x.TotalRefundApplyAmount),
                                       TotalRefundingCount = queryable.Sum(x => x.TotalRefundingCount),
                                       TotalRefundingAmount = queryable.Sum(x => x.TotalRefundingAmount)
                                   });

            return resultQueryable.First();
        }

        private IQueryable<FinanceReportView> GetFinanceReportViewQueryabled(ConfiguretView conditionView, Guid? schoolyearID, DateTime? payTimeStart, DateTime? payTimeEnd,
            Guid? examinationProjectID, Guid? receiverID)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<EX_ExaminationRegistration, bool>> registExp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (payTimeStart.HasValue)
            {
                registExp = registExp.And(x => x.PayTime >= payTimeStart);
            }
            if (payTimeEnd.HasValue)
            {
                var correctPayTimeEnd = payTimeEnd.Value.Date.AddDays(1);
                registExp = registExp.And(x => x.PayTime < correctPayTimeEnd);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (receiverID.HasValue)
            {
                registExp = registExp.And(x => x.EX_ExaminationRegistrationConfirm.Receiver == receiverID);
            }

            var query = FeeDAL.GetFinanceReportViewQueryable(batchExp, projectExp, registExp);

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

            return query.OrderBy(x => x.PayTimeOrder).ThenBy(x => x.ReceiptNo.Length).ThenBy(x => x.ReceiptNo);
        }

        public IGridResultSet<FinanceReportView> GetFinanceReportViewGrid(ConfiguretView conditionView, Guid? schoolyearID, DateTime? payTimeStart, DateTime? payTimeEnd, 
            Guid? examinationProjectID, Guid? receiverID, int? pageIndex, int? pageSize)
        {
            var query = this.GetFinanceReportViewQueryabled(conditionView, schoolyearID, payTimeStart, payTimeEnd, examinationProjectID, receiverID);

            return query.ToGridResultSet(pageIndex, pageSize);
        }

        public List<FinanceReportView> GetFinanceReportViewList(ConfiguretView conditionView, Guid? schoolyearID, DateTime? payTimeStart, DateTime? payTimeEnd,
            Guid? examinationProjectID, Guid? receiverID)
        {
            var query = this.GetFinanceReportViewQueryabled(conditionView, schoolyearID, payTimeStart, payTimeEnd, examinationProjectID, receiverID);

            return query.ToList();
        }

        public FinanceReportTotalView GetFinanceReportViewTotal(ConfiguretView conditionView, Guid? schoolyearID, DateTime? payTimeStart, DateTime? payTimeEnd, Guid? examinationProjectID, Guid? receiverID)
        {
            var query = this.GetFinanceReportViewQueryabled(conditionView, schoolyearID, payTimeStart, payTimeEnd, examinationProjectID, receiverID);

            var resultQueryable = (from statistic in query
                                   select new FinanceReportTotalView
                                   {
                                       TotalCount = query.Sum(x => x.StudentCount),
                                       TotalAmount = query.Sum(x => x.Amount)
                                   });

            return resultQueryable.First();
        }

        public void UnloadReceipt()
        {
            var userID = CustomPrincipal.Current.UserID;
            var availableReceiptList = this.ReceiptRepository.GetList(x => x.RecordStatus == (int)SYS_STATUS.USABLE
                && x.UserID == userID).ToList();
            availableReceiptList.ForEach(x => {
                x.ReceiptEndNo = OperateSerialNo.CardSerialNoAddNum(x.CurrentReceipNo, -1);
                x.CurrentReceipNo = x.ReceiptEndNo;
                x.RecordStatus = (int)SYS_STATUS.UNUSABLE;
                this.SetModifyStatus(x);
            });

            this.UnitOfWork.Commit();
        }

        public void ApproveRefund(RefundApproveView refundApproveView)
        {
            var examinationRegistrationIDList = refundApproveView. ExaminationRegistrationIDs.Split(',').Where(x => x.IndexOf("-") >= 0).Select(x => new Guid(x)).ToList();

            var examinationRegistrationList = FeeDAL.ExaminationRegistrationRepository.Entities.Where(x => examinationRegistrationIDList.Contains(x.ExaminationRegistrationID)).ToList();
            try
            {
                if (refundApproveView.ApproveStatus == (int)CF_RefundFeeApproval.Agree)
                {

                    examinationRegistrationList.ForEach(x =>
                    {
                        x.ModifyTime = DateTime.Now;
                        x.ModifyUserID = CustomPrincipal.Current.UserID;
                        x.RecordStatus = (int)EX_ExaminationRegistrationStatus.Refunding;
                    });
                }
                else if (refundApproveView.ApproveStatus == (int)CF_RefundFeeApproval.Returnback)
                {
                    examinationRegistrationList.ForEach(x =>
                    {
                        x.RecordStatus = (int)EX_ExaminationRegistrationStatus.Paid;
                        x.ModifyTime = DateTime.Now;
                        x.ModifyUserID = CustomPrincipal.Current.UserID;
                    });
                }
                UnitOfWork.BatchUpdate<EX_ExaminationRegistration>(examinationRegistrationList);
            }
            catch (Exception)
            {

                throw;
            }
        }
    }
}