using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using System.Transactions;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.ViewModel.StudentManage.OnlineChecking;
using EMIS.DataLogic.StudentManage.OnlineChecking;
using EMIS.CommonLogic.SystemServices;

namespace EMIS.CommonLogic.StudentManage.OnlineChecking
{
    public class CheckingApproveServices : BaseWorkflowServices<CF_StudentContrast>, ICheckingApproveServices
    {
        public Lazy<CheckingApproveDAL> CheckingApproveDAL { get; set; }

        /// <summary>
        /// 数据范围
        /// </summary>
        public CheckingApproveServices()
        {
            DataRangeUserFunc = ((x, y) => this.IsUserInDataRangeByCollege<CF_StudentContrast>(x, y, (w => w.Sys_User.CF_Student.CF_Classmajor.CF_Grademajor.CF_Facultymajor.CollegeID)));
        }

        /// <summary>
        /// 查询对应的校对审核信息CheckingApproveView
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="campusID"></param>
        /// <param name="collegeID"></param>
        /// <param name="gradeID"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="approvalStatus"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<CheckingContrastView> GetCheckingApproveViewGrid(ConfiguretView configuretView, Guid? campusID, Guid? collegeID, int? gradeID, int? standardID, 
                int? educationID, int? learningformID, string learnSystem, int? approvalStatus, int pageIndex, int pageSize)
        {
            var approveStatusList = this.GetApproveStatusViewList();
            var approveStatusIDList = approveStatusList.Select(x => x.ID).ToList();

            Expression<Func<CF_StudentContrast, bool>> expStudentContrast = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expStudentContrast = expStudentContrast.And(x => approveStatusIDList.Contains(x.ApprovalStatus));
            if (approvalStatus.HasValue)
            {
                expStudentContrast = expStudentContrast.And(x => x.ApprovalStatus == approvalStatus);
            }
            Expression<Func<CF_Student, bool>> expStudent = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_StudentRecordChangeHistory, bool>> expStudentRecordChangeHistory = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            //expStudentRecordChangeHistory = expStudentRecordChangeHistory.And(x => x.CheckingTypeID == (int)CF_CheckingType.OpenApprove);
            
            var query = CheckingApproveDAL.Value.GetCheckingApproveViewQueryable(expStudentContrast, expStudent, expStudentRecordChangeHistory);
            if (campusID.HasValue)
            {
                query = query.Where(x => x.CampusID == campusID);
            }
            if (collegeID.HasValue)
            {
                query = query.Where(x => x.CollegeID == collegeID);
            }
            if (gradeID.HasValue)
            {
                query = query.Where(x => x.GradeID == gradeID);
            }
            if (standardID.HasValue)
            {
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                var LearnSystems = Convert.ToDecimal(learnSystem);
                query = query.Where(x => x.LearnSystem == LearnSystems);
            }

            //查询条件
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue.Trim());
            }

            var result = this.GetQueryByAssistant(query, (x => x.ClassmajorID), this.GetQueryByDataRangeByCollege(query))
                    .OrderBy(x => x.ClassmajorNo.Length).ThenBy(x => x.ClassmajorNo).ThenBy(x => x.GradeID)
                    .ThenBy(x => x.StudentNo.Length).ThenBy(x => x.StudentNo).OrderByDescending(x => x.ModifyTime)
                    .ToGridResultSet<CheckingContrastView>(pageIndex, pageSize);
            result.rows.ForEach(x => x.ApprovalStatusName = approveStatusList.FirstOrDefault(w => w.ID == x.ApprovalStatus).Name);
            return result;
        }

        /// <summary>
        /// 查询对应的校对审核信息List
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="campusID"></param>
        /// <param name="collegeID"></param>
        /// <param name="gradeID"></param>
        /// <param name="standardID"></param>
        /// <param name="educationID"></param>
        /// <param name="learningformID"></param>
        /// <param name="learnSystem"></param>
        /// <param name="approvalStatus"></param>
        /// <returns></returns>
        public IList<CheckingContrastView> GetCheckingApproveViewList(ConfiguretView configuretView, Guid? campusID, Guid? collegeID, int? gradeID, int? standardID, 
                int? educationID, int? learningformID, string learnSystem, int? approvalStatus)
        {
            var approveStatusList = this.GetApproveStatusViewList();
            var approveStatusIDList = approveStatusList.Select(x => x.ID).ToList();

            Expression<Func<CF_StudentContrast, bool>> expStudentContrast = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expStudentContrast = expStudentContrast.And(x => approveStatusIDList.Contains(x.ApprovalStatus));
            if (approvalStatus.HasValue)
            {
                expStudentContrast = expStudentContrast.And(x => x.ApprovalStatus == approvalStatus);
            }
            Expression<Func<CF_Student, bool>> expStudent = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_StudentRecordChangeHistory, bool>> expStudentRecordChangeHistory = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            //expStudentRecordChangeHistory = expStudentRecordChangeHistory.And(x => x.CheckingTypeID == (int)CF_CheckingType.OpenApprove);

            var query = CheckingApproveDAL.Value.GetCheckingApproveViewQueryable(expStudentContrast, expStudent, expStudentRecordChangeHistory);
            if (campusID.HasValue)
            {
                query = query.Where(x => x.CampusID == campusID);
            }
            if (collegeID.HasValue)
            {
                query = query.Where(x => x.CollegeID == collegeID);
            }
            if (gradeID.HasValue)
            {
                query = query.Where(x => x.GradeID == gradeID);
            }
            if (standardID.HasValue)
            {
                query = query.Where(x => x.StandardID == standardID);
            }
            if (educationID.HasValue)
            {
                query = query.Where(x => x.EducationID == educationID);
            }
            if (learningformID.HasValue)
            {
                query = query.Where(x => x.LearningformID == learningformID);
            }
            if (!string.IsNullOrEmpty(learnSystem) && learnSystem != "-1")
            {
                var LearnSystems = Convert.ToDecimal(learnSystem);
                query = query.Where(x => x.LearnSystem == LearnSystems);
            }

            //查询条件
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue.Trim());
            }

            var result = this.GetQueryByAssistant(query, (x => x.ClassmajorID), this.GetQueryByDataRangeByCollege(query))
                    .OrderBy(x => x.ClassmajorNo.Length).ThenBy(x => x.ClassmajorNo).ThenBy(x => x.GradeID)
                    .ThenBy(x => x.StudentNo.Length).ThenBy(x => x.StudentNo).OrderByDescending(x => x.ModifyTime).ToList();
            result.ForEach(x => x.ApprovalStatusName = approveStatusList.FirstOrDefault(w => w.ID == x.ApprovalStatus).Name);
            return result;
        }

        /// <summary>
        /// 查询对应的校对审核信息CheckingContrastView
        /// </summary>
        /// <param name="studentContrastID"></param>
        /// <returns></returns>
        public CheckingContrastView GetStudentContrastView(Guid? studentContrastID)
        {
            try
            {
                Expression<Func<CF_StudentContrast, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
                exp = exp.And(x => x.StudentContrastID == studentContrastID);
                var query = CheckingApproveDAL.Value.GetCheckingApproveViewQueryable(exp).SingleOrDefault();
                return query;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="studentContrastIDs"></param>
        /// <returns></returns>
        public bool StudentContrastDelete(List<Guid?> studentContrastIDs)
        {
            try
            {
                using (TransactionScope ts = new TransactionScope())
                {
                    UnitOfWork.Delete<CF_RecruitstudentsSource>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_RecruitstudentsContrast>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentAccountSource>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentAccountContrast>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentContactSource>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentContactContrast>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentProfileSource>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentProfileContrast>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<Sys_UserSource>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<Sys_UserContrast>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentRecordChangeHistory>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentSource>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    UnitOfWork.Delete<CF_StudentContrast>(x => studentContrastIDs.Contains(x.StudentContrastID));
                    ts.Complete();
                    return true;
                }
            }
            catch (Exception)
            {
                throw;
            }
        }

        /// <summary>
        /// 查询对应的校对数明细CheckingHistoryView
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="studentContrastID"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<CheckingHistoryView> GetCheckingDetailViewGrid(ConfiguretView configuretView, Guid? studentContrastID, int pageIndex, int pageSize)
        {
            Expression<Func<CF_StudentContrast, bool>> expStudentContrast = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expStudentContrast = expStudentContrast.And(x => x.StudentContrastID == studentContrastID);
            var query = CheckingApproveDAL.Value.GetCheckingHistoryViewQueryable(expStudentContrast);
            
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue.Trim());
            }

            return query.OrderBy(x => x.StudentNo.Length).ThenBy(x => x.StudentNo).ThenBy(x => x.ColumnName.Length)
                    .ThenBy(x => x.ColumnName).ToGridResultSet<CheckingHistoryView>(pageIndex, pageSize);
        }

        /// <summary>
        /// 查询对应的校对数明细List
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="studentContrastID"></param>
        /// <returns></returns>
        public IList<CheckingHistoryView> GetCheckingDetailViewList(ConfiguretView configuretView, Guid? studentContrastID)
        {
            Expression<Func<CF_StudentContrast, bool>> expStudentContrast = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expStudentContrast = expStudentContrast.And(x => x.StudentContrastID == studentContrastID);
            var query = CheckingApproveDAL.Value.GetCheckingHistoryViewQueryable(expStudentContrast);

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

            return query.OrderBy(x => x.StudentNo.Length).ThenBy(x => x.StudentNo).ThenBy(x => x.ColumnName.Length)
                    .ThenBy(x => x.ColumnName).ToList();
        }

        /// <summary>
        /// 审核确定（批量）
        /// </summary>
        /// <param name="studentContrastIDs"></param>
        /// <param name="userID"></param>
        /// <param name="actionID"></param>
        /// <param name="comment"></param>
        public void CheckingApproveConfirm(List<Guid?> studentContrastIDs, Guid userID, Guid actionID, string comment)
        {
            try
            {
                var studentContrastList = CheckingApproveDAL.Value.StudentContrastRepository.GetList(x => studentContrastIDs.Contains(x.StudentContrastID)).ToList();
                foreach (var studentContrastID in studentContrastIDs)
                {
                    var studentContrast = studentContrastList.Where(x => x.StudentContrastID == studentContrastID).SingleOrDefault();
                    if (studentContrast == null)
                    {
                        throw new Exception("数据有误，请核查");
                    }
                }
                this.Approve(studentContrastIDs.Select(x => x.Value).ToList(), userID, actionID, comment);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 查询对应列名称及值ColumnNameValue
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="t"></param>
        /// <returns></returns>
        public Dictionary<string, object> GetColumnNameValue<T>(T t)
        {
            try
            {
                var columnNameValueList = new Dictionary<string, object>();
                System.Reflection.PropertyInfo[] properties = t.GetType().GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
                foreach (System.Reflection.PropertyInfo item in properties)
                {
                    if (item.PropertyType.IsValueType || item.PropertyType.Name.StartsWith("String"))
                    {
                        columnNameValueList.Add(item.Name, item.GetValue(t, null));
                    }
                }

                return columnNameValueList;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 流程结束跳转函数（工作流平台中配置）
        /// 注：需对网上校对信息进行处理
        /// </summary>
        /// <param name="studentContrastIDList"></param>
        /// <param name="userID"></param>
        public void OnApproveEnd(List<Guid> studentContrastIDList, Guid? userID)
        {
            try
            {
                var studentContrastList = CheckingApproveDAL.Value.StudentContrastRepository.GetList(x => studentContrastIDList.Contains(x.StudentContrastID)).ToList();
                var userIDList = studentContrastList.Select(x => x.UserID).ToList();
                var studentList = CheckingApproveDAL.Value.StudentRepository.GetList(x => userIDList.Contains(x.UserID), (x => x.CF_StudentProfile), (x => x.CF_StudentContact), (x => x.CF_StudentAccount), (x => x.CF_Recruitstudents), (x => x.Sys_User)).ToList();
                var checkingHistoryViewList = CheckingApproveDAL.Value.GetCheckingHistoryViewQueryable(x => studentContrastIDList.Contains(x.StudentContrastID)).ToList();
                bool isUserCheck = false;
                bool isStudentCheck = false;
                bool isStuProfileCheck = false;
                bool isStuContactCheck = false;
                bool isStuAccountCheck = false;
                bool isStuRecruitCheck = false;
                List<Sys_User> userUpList = new List<Sys_User>();
                List<CF_Student> studentUpList = new List<CF_Student>();
                List<CF_StudentProfile> studentProfileUpList = new List<CF_StudentProfile>();
                List<CF_StudentContact> studentContactUpList = new List<CF_StudentContact>();
                List<CF_StudentAccount> studentAccountUpList = new List<CF_StudentAccount>();
                List<CF_Recruitstudents> recruitstudentsUpList = new List<CF_Recruitstudents>();
                foreach (var studentContrast in studentContrastList)
                {
                    isUserCheck = false;
                    isStudentCheck = false;
                    isStuProfileCheck = false;
                    isStuContactCheck = false;
                    isStuAccountCheck = false;
                    isStuRecruitCheck = false;
                    var keyValuePairList = checkingHistoryViewList.Where(x => x.StudentContrastID == studentContrast.StudentContrastID).ToDictionary(x => x.ColumnName, x => x.CheckingAfterValue);
                    var student = studentList.Where(x => x.UserID == studentContrast.UserID).SingleOrDefault();
                    foreach (var keyValuePair in keyValuePairList)
                    {
                        var userProperty = typeof(Sys_User).GetProperties().Where(x => x.Name.ToLower() == keyValuePair.Key.ToLower()).SingleOrDefault();
                        if (userProperty != null)
                        {
                            if (!(userProperty.GetValue(student.Sys_User, null) ?? "").Equals((keyValuePairList[keyValuePair.Key] ?? "")))
                            {
                                userProperty.SetValue(student.Sys_User, keyValuePairList[keyValuePair.Key], null);
                                isUserCheck = true;
                            }
                        }
                        var studentProperty = typeof(CF_Student).GetProperties().Where(x => x.Name.ToLower() == keyValuePair.Key.ToLower()).SingleOrDefault();
                        if (studentProperty != null)
                        {
                            if (!(studentProperty.GetValue(student, null) ?? "").Equals((keyValuePairList[keyValuePair.Key] ?? "")))
                            {
                                studentProperty.SetValue(student, keyValuePairList[keyValuePair.Key], null);
                                isStudentCheck = true;
                            }
                        }
                        var studentProfileProperty = typeof(CF_StudentProfile).GetProperties().Where(x => x.Name.ToLower() == keyValuePair.Key.ToLower()).SingleOrDefault();
                        if (studentProfileProperty != null)
                        {
                            if (!(studentProfileProperty.GetValue(student.CF_StudentProfile, null) ?? "").Equals((keyValuePairList[keyValuePair.Key] ?? "")))
                            {
                                studentProfileProperty.SetValue(student.CF_StudentProfile, keyValuePairList[keyValuePair.Key], null);
                                isStuProfileCheck = true;
                            }
                        }
                        var studentContactProperty = typeof(CF_StudentContact).GetProperties().Where(x => x.Name.ToLower() == keyValuePair.Key.ToLower()).SingleOrDefault();
                        if (studentContactProperty != null)
                        {
                            if (!(studentContactProperty.GetValue(student.CF_StudentContact, null) ?? "").Equals((keyValuePairList[keyValuePair.Key] ?? "")))
                            {
                                studentContactProperty.SetValue(student.CF_StudentContact, keyValuePairList[keyValuePair.Key], null);
                                isStuContactCheck = true;
                            }
                        }
                        var studentAccountProperty = typeof(CF_StudentAccount).GetProperties().Where(x => x.Name.ToLower() == keyValuePair.Key.ToLower()).SingleOrDefault();
                        if (studentAccountProperty != null)
                        {
                            if (!(studentAccountProperty.GetValue(student.CF_StudentAccount, null) ?? "").Equals((keyValuePairList[keyValuePair.Key] ?? "")))
                            {
                                studentAccountProperty.SetValue(student.CF_StudentAccount, keyValuePairList[keyValuePair.Key], null);
                                isStuAccountCheck = true;
                            }
                        }
                        var recruitstudentsProperty = typeof(CF_Recruitstudents).GetProperties().Where(x => x.Name.ToLower() == keyValuePair.Key.ToLower()).SingleOrDefault();
                        if (recruitstudentsProperty != null)
                        {
                            if (!(recruitstudentsProperty.GetValue(student.CF_Recruitstudents, null) ?? "").Equals((keyValuePairList[keyValuePair.Key] ?? "")))
                            {
                                recruitstudentsProperty.SetValue(student.CF_Recruitstudents, keyValuePairList[keyValuePair.Key], null);
                                isStuRecruitCheck = true;
                            }
                        }
                    }
                    if (isUserCheck)
                    {
                        student.Sys_User.ModifyUserID = userID;
                        student.Sys_User.ModifyTime = DateTime.Now;
                        userUpList.Add(student.Sys_User);
                    }
                    if (isStudentCheck)
                    {
                        student.ModifyUserID = userID;
                        student.ModifyTime = DateTime.Now;
                        studentUpList.Add(student);
                    }
                    if (isStuProfileCheck)
                    {
                        student.CF_StudentProfile.ModifyUserID = userID;
                        student.CF_StudentProfile.ModifyTime = DateTime.Now;
                        studentProfileUpList.Add(student.CF_StudentProfile);
                    }
                    if (isStuContactCheck)
                    {
                        student.CF_StudentContact.ModifyUserID = userID;
                        student.CF_StudentContact.ModifyTime = DateTime.Now;
                        studentContactUpList.Add(student.CF_StudentContact);
                    }
                    if (isStuAccountCheck)
                    {
                        student.CF_StudentAccount.ModifyUserID = userID;
                        student.CF_StudentAccount.ModifyTime = DateTime.Now;
                        studentAccountUpList.Add(student.CF_StudentAccount);
                    }
                    if (isStuRecruitCheck)
                    {
                        student.CF_Recruitstudents.ModifyUserID = userID;
                        student.CF_Recruitstudents.ModifyTime = DateTime.Now;
                        recruitstudentsUpList.Add(student.CF_Recruitstudents);
                    }
                }
                TransactionOptions transactionOption = new TransactionOptions();
                transactionOption.IsolationLevel = System.Transactions.IsolationLevel.Serializable;
                transactionOption.Timeout = new TimeSpan(0, 3, 0);
                using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required, transactionOption))
                {
                    if (userUpList != null && userUpList.Count() > 0)
                    {
                        UnitOfWork.BatchUpdate(userUpList);
                    }
                    if (studentUpList != null && studentUpList.Count() > 0)
                    {
                        UnitOfWork.BatchUpdate(studentUpList);
                    }
                    if (studentProfileUpList != null && studentProfileUpList.Count() > 0)
                    {
                        UnitOfWork.BatchUpdate(studentProfileUpList);
                    }
                    if (studentContactUpList != null && studentContactUpList.Count() > 0)
                    {
                        UnitOfWork.BatchUpdate(studentContactUpList);
                    }
                    if (studentAccountUpList != null && studentAccountUpList.Count() > 0)
                    {
                        UnitOfWork.BatchUpdate(studentAccountUpList);
                    }
                    if (recruitstudentsUpList != null && recruitstudentsUpList.Count() > 0)
                    {
                        UnitOfWork.BatchUpdate(recruitstudentsUpList);
                    }
                    ts.Complete();
                }
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

    }
}