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.Data;
using Bowin.Common.JSON;
using Bowin.Common.Linq.Entity;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.ViewModel.EvaluationManage.StudentEvaluation;
using EMIS.DataLogic.EvaluationManage.StudentEvaluation;
using EMIS.CommonLogic.EvaluationManage.EvaluationSetting;
using EMIS.CommonLogic.EvaluationManage.EvaluationManage;
using EMIS.CommonLogic.SystemServices;

namespace EMIS.CommonLogic.StudentWeb.Evaluation
{
    public class StudentEvaluationEnterServices : BaseServices, IStudentEvaluationEnterServices
    {
        public EvaluationStudentDAL EvaluationStudentDAL { get; set; }
        public Lazy<IEvaluationControlServices> EvaluationControlServices { get; set; }
        public Lazy<IEvaluationStudentScoreServices> EvaluationStudentScoreServices { get; set; }
        public Lazy<IParameterServices> ParameterServices { get; set; }

        /// <summary>
        /// 查询对应的学生评价信息View
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="userID"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<EvaluationStudentView> GetStudentEvaluationEnterViewGrid(ConfiguretView configuretView, Guid? userID, int pageIndex, int pageSize)
        {
            Expression<Func<CF_Student, bool>> expStudent = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expStudent = expStudent.And(x => x.UserID == userID);
            Expression<Func<EM_EvaluationStudentSetting, bool>> expEvaluationStudentSetting = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expEvaluationStudentSetting = expEvaluationStudentSetting.And(x => x.OpenState == true);
            var query = EvaluationStudentDAL.GetStudentEvaluationEnterViewQueryable(expStudent, expEvaluationStudentSetting);
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                query = query.Where(x => false);
            }
            else
            {
                query = query.Where(x => x.SchoolyearValue <= evaluationControlView.SchoolyearValue);
                query = query.Where(x => x.StartTime <= DateTime.Now);
                query = query.Where(x => x.EndTime >= DateTime.Now);
                query = query.Where(x => x.Number > x.Numbered);
            }

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

            return query.OrderBy(x => x.SchoolyearValue).ThenBy(x => x.CourseCode.Length).ThenBy(x => x.CourseCode).ThenBy(x => x.CourseTypeID).ThenBy(x => x.Numbered).ToGridResultSet<EvaluationStudentView>(pageIndex, pageSize);
        }

        /// <summary>
        /// 查询对应的学生评价信息List
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="userID"></param>
        /// <returns></returns>
        public IList<EvaluationStudentView> GetStudentEvaluationEnterViewList(ConfiguretView configuretView, Guid? userID)
        {
            Expression<Func<CF_Student, bool>> expStudent = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expStudent = expStudent.And(x => x.UserID == userID);
            Expression<Func<EM_EvaluationStudentSetting, bool>> expEvaluationStudentSetting = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expEvaluationStudentSetting = expEvaluationStudentSetting.And(x => x.OpenState == true);
            var query = EvaluationStudentDAL.GetStudentEvaluationEnterViewQueryable(expStudent, expEvaluationStudentSetting);
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                query = query.Where(x => false);
            }
            else
            {
                query = query.Where(x => x.SchoolyearValue <= evaluationControlView.SchoolyearValue);
                query = query.Where(x => x.StartTime <= DateTime.Now);
                query = query.Where(x => x.EndTime >= DateTime.Now);
                query = query.Where(x => x.Number > x.Numbered);
            }

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

            return query.OrderBy(x => x.SchoolyearValue).ThenBy(x => x.CourseCode.Length).ThenBy(x => x.CourseCode).ThenBy(x => x.CourseTypeID).ThenBy(x => x.Numbered).ToList();
        }

        /// <summary>
        /// 查询对应的学生未评价信息List
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public IList<EvaluationStudentView> GetStudentNoEvaluationViewList(Guid? userID)
        {
            Expression<Func<CF_Student, bool>> expStudent = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expStudent = expStudent.And(x => x.UserID == userID);
            Expression<Func<EM_EvaluationStudentSetting, bool>> expEvaluationStudentSetting = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expEvaluationStudentSetting = expEvaluationStudentSetting.And(x => x.OpenState == true);
            var query = EvaluationStudentDAL.GetStudentEvaluationEnterViewQueryable(expStudent, expEvaluationStudentSetting);
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                query = query.Where(x => false);
            }
            else
            {
                query = query.Where(x => x.SchoolyearValue <= evaluationControlView.SchoolyearValue);
                query = query.Where(x => x.StartTime <= DateTime.Now);
                query = query.Where(x => x.EndTime >= DateTime.Now);
                query = query.Where(x => x.Numbered == 0);
                query = query.Where(x => x.Number > 0);
            }

            return query.OrderBy(x => x.SchoolyearValue).ThenBy(x => x.CourseCode.Length).ThenBy(x => x.CourseCode).ThenBy(x => x.CourseTypeID).ThenBy(x => x.Numbered).ToList();
        }

        /// <summary>
        /// 查询对应的学生评价信息EvaluationStudentView
        /// </summary>
        /// <param name="userID"></param>
        /// <param name="evaluationStudentSettingID"></param>
        /// <returns></returns>
        public EvaluationStudentView GetStudentEvaluationEnterView(Guid? userID, Guid? evaluationStudentSettingID)
        {
            try
            {
                Expression<Func<CF_Student, bool>> expStudent = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
                expStudent = expStudent.And(x => x.UserID == userID);
                Expression<Func<EM_EvaluationStudentSetting, bool>> expEvaluationStudentSetting = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
                expEvaluationStudentSetting = expEvaluationStudentSetting.And(x => x.OpenState == true);
                expEvaluationStudentSetting = expEvaluationStudentSetting.And(x => x.EvaluationStudentSettingID == evaluationStudentSettingID);
                var query = EvaluationStudentDAL.GetStudentEvaluationEnterViewQueryable(expStudent, expEvaluationStudentSetting).SingleOrDefault();
                return query;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 编辑
        /// </summary>
        /// <param name="evaluationStudentView"></param>
        public void StudentEvaluationEnterEdit(EvaluationStudentView evaluationStudentView)
        {
            try
            {
                var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
                if (evaluationControlView == null)
                {
                    throw new Exception("当前教学质量评价活动对应的评价学年学期已结束。");
                }
                else
                {
                    if (evaluationStudentView.SchoolyearValue > evaluationControlView.SchoolyearValue)
                    {
                        throw new Exception("当前教学质量评价活动对应的评价学年学期已结束。");
                    }
                }
                var evaluationParticipateType = EvaluationStudentDAL.EvaluationParticipateTypeRepository.GetList(x => x.ParticipateTypeID == (int)EM_ParticipateType.Student).SingleOrDefault();
                if (evaluationParticipateType == null)
                {
                    throw new Exception("当前教学质量评价活动对应的评价时间已结束。");
                }
                else
                {
                    if (evaluationParticipateType.StartTime == null || evaluationParticipateType.EndTime == null)
                    {
                        throw new Exception("当前教学质量评价活动对应的评价时间未开始。");
                    }
                    if (DateTime.Now < evaluationParticipateType.StartTime)
                    {
                        throw new Exception("当前教学质量评价活动对应的评价时间未开始。");
                    }
                    if (DateTime.Now > evaluationParticipateType.EndTime)
                    {
                        throw new Exception("当前教学质量评价活动对应的评价时间已结束。");
                    }
                }
                if (((evaluationStudentView.Numbered ?? 0) + 1) > (evaluationParticipateType.Number ?? 0))
                {
                    throw new Exception("当前教学质量评价活动对应的已评次数已评完。");
                }
                if (!evaluationStudentView.EvaluationStudentSettingID.HasValue || evaluationStudentView.EvaluationStudentSettingID == Guid.Empty)
                {
                    throw new Exception("评价超时，请刷新页面再次尝试。");
                }
                Expression<Func<EM_EvaluationStudentSetting, bool>> expEvaluationStudentSetting = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
                expEvaluationStudentSetting = expEvaluationStudentSetting.And(x => x.OpenState == true);
                expEvaluationStudentSetting = expEvaluationStudentSetting.And(x => x.EvaluationStudentSettingID == evaluationStudentView.EvaluationStudentSettingID);
                var evaluationStudentSetting = EvaluationStudentDAL.EvaluationStudentSettingRepository.GetList(expEvaluationStudentSetting, (x => x.CF_Student)).SingleOrDefault();
                if (evaluationStudentSetting == null)
                {
                    throw new Exception("当前教学质量评价活动已关闭，请刷新页面再次尝试。");
                }
                else
                {
                    var evaluationStudentSettingStudent = evaluationStudentSetting.CF_Student.Where(x => x.UserID == evaluationStudentView.UserID).SingleOrDefault();
                    if (evaluationStudentSettingStudent == null)
                    {
                        throw new Exception("当前教学质量评价活动已关闭，请刷新页面再次尝试。");
                    }
                }
                Expression<Func<EM_EvaluationStudent, bool>> expEvaluationStudent = (x => x.EvaluationStudentID != evaluationStudentView.EvaluationStudentID);
                expEvaluationStudent = expEvaluationStudent.And(x => x.UserID == evaluationStudentView.UserID);
                expEvaluationStudent = expEvaluationStudent.And(x => x.EvaluationStudentSettingID == evaluationStudentView.EvaluationStudentSettingID);
                var evaluationStudentVerify = EvaluationStudentDAL.EvaluationStudentRepository.GetList(expEvaluationStudent).SingleOrDefault();
                if (evaluationStudentVerify == null)
                {
                    Expression<Func<EM_EvaluationStudentScore, bool>> expEvaluationStudentScore = (x => x.SchoolyearID == evaluationStudentView.SchoolyearID);
                    expEvaluationStudentScore = expEvaluationStudentScore.And(x => x.UserID == evaluationStudentView.UserID);
                    expEvaluationStudentScore = expEvaluationStudentScore.And(x => x.CoursematerialID == evaluationStudentView.CoursematerialID);
                    expEvaluationStudentScore = expEvaluationStudentScore.And(x => x.DepartmentID == evaluationStudentView.DepartmentID);
                    var evaluationStudentScore = EvaluationStudentDAL.EvaluationStudentScoreRepository.GetList(expEvaluationStudentScore).SingleOrDefault();
                    var isEvaluationControlForSchoolyear = ParameterServices.Value.GetParameterValue<bool>(CF_ParameterType.IsEvaluationControlForSchoolyear);
                    if (evaluationStudentScore == null)
                    {
                        if (evaluationStudentView.SchoolyearValue < evaluationControlView.SchoolyearValue)
                        {
                            evaluationStudentView.IsValidity = isEvaluationControlForSchoolyear ?? false;
                        }
                        else
                        {
                            evaluationStudentView.IsValidity = true;
                        }
                    }
                    else
                    {
                        var startStatusID = EvaluationStudentScoreServices.Value.GetStartStatus();
                        if (startStatusID == null)
                        {
                            throw new Exception("评价数据有误，请联系辅导员或教学评价负责老师。");
                        }
                        if (evaluationStudentScore.ApprovalStatus == startStatusID)
                        {
                            if (evaluationStudentView.SchoolyearValue < evaluationControlView.SchoolyearValue)
                            {
                                evaluationStudentView.IsValidity = isEvaluationControlForSchoolyear ?? false;
                            }
                            else
                            {
                                evaluationStudentView.IsValidity = true;
                            }
                        }
                        else
                        {
                            evaluationStudentView.IsValidity = false;
                        }
                    }
                    var evaluationProjectJsonDataList = evaluationStudentView.JsonDataStr.ToString().JsonToObject<List<EvaluationStudentDetailView>>();
                    if (evaluationProjectJsonDataList == null || evaluationProjectJsonDataList.Count() < 0)
                    {
                        throw new Exception("当前教学质量评价活动，评价项目中对应的评分标准未评分，请进行评分。");
                    }
                    var evaluationStudentInList = new List<EM_EvaluationStudent>();
                    var evaluationStudentUpList = new List<EM_EvaluationStudent>();
                    var evaluationStudentDetailInList = new List<EM_EvaluationStudentDetail>();
                    var evaluationStudentIDDelList = new List<Guid?>();
                    if (evaluationStudentView.EvaluationStudentID != Guid.Empty)
                    {
                        var evaluationStudent = EvaluationStudentDAL.EvaluationStudentRepository.GetList(x => x.EvaluationStudentID == evaluationStudentView.EvaluationStudentID).SingleOrDefault();
                        if (evaluationStudent == null)
                        {
                            throw new Exception("评价超时，请刷新页面再次尝试。");
                        }
                        else
                        {
                            //表示修改
                            if (evaluationStudentView.IsValidity)
                            {
                                evaluationStudent.Numbered = (evaluationStudentView.Numbered ?? 0) + 1;
                                evaluationStudent.IsValidity = evaluationStudentView.IsValidity;
                                evaluationStudent.TotalScore = evaluationStudentView.TotalScore;
                                evaluationStudent.Advice = evaluationStudentView.Advice;
                                SetModifyStatus(evaluationStudent);
                                evaluationStudentUpList.Add(evaluationStudent);
                                evaluationStudentIDDelList.Add(evaluationStudent.EvaluationStudentID);
                                foreach (var evaluationProjectJsonData in evaluationProjectJsonDataList)
                                {
                                    var newEvaluationStudentDetail = new EM_EvaluationStudentDetail();
                                    newEvaluationStudentDetail.EvaluationStudentDetailID = Guid.NewGuid();
                                    newEvaluationStudentDetail.EvaluationStudentID = evaluationStudent.EvaluationStudentID;
                                    newEvaluationStudentDetail.EvaluationProjectID = evaluationProjectJsonData.EvaluationProjectID;
                                    newEvaluationStudentDetail.Score = evaluationProjectJsonData.Score;
                                    newEvaluationStudentDetail.Remark = null;
                                    SetNewStatus(newEvaluationStudentDetail);
                                    evaluationStudentDetailInList.Add(newEvaluationStudentDetail);
                                }
                            }
                            else
                            {
                                throw new Exception("当前教学质量评价活动已结束。");
                            }
                        }
                    }
                    else
                    {
                        //表示新增
                        var newEvaluationStudent = new EM_EvaluationStudent();
                        newEvaluationStudent.EvaluationStudentID = Guid.NewGuid();
                        newEvaluationStudent.UserID = evaluationStudentView.UserID;
                        newEvaluationStudent.EvaluationStudentSettingID = evaluationStudentView.EvaluationStudentSettingID;
                        newEvaluationStudent.Numbered = (evaluationStudentView.Numbered ?? 0) + 1;
                        newEvaluationStudent.IsValidity = evaluationStudentView.IsValidity;
                        newEvaluationStudent.TotalScore = evaluationStudentView.TotalScore;
                        newEvaluationStudent.Advice = evaluationStudentView.Advice;
                        newEvaluationStudent.Remark = evaluationStudentView.Remark;
                        SetNewStatus(newEvaluationStudent);
                        evaluationStudentInList.Add(newEvaluationStudent);
                        foreach (var evaluationProjectJsonData in evaluationProjectJsonDataList)
                        {
                            var newEvaluationStudentDetail = new EM_EvaluationStudentDetail();
                            newEvaluationStudentDetail.EvaluationStudentDetailID = Guid.NewGuid();
                            newEvaluationStudentDetail.EvaluationStudentID = newEvaluationStudent.EvaluationStudentID;
                            newEvaluationStudentDetail.EvaluationProjectID = evaluationProjectJsonData.EvaluationProjectID;
                            newEvaluationStudentDetail.Score = evaluationProjectJsonData.Score;
                            newEvaluationStudentDetail.Remark = null;
                            SetNewStatus(newEvaluationStudentDetail);
                            evaluationStudentDetailInList.Add(newEvaluationStudentDetail);
                        }
                    }
                    using (TransactionScope ts = new TransactionScope(TransactionScopeOption.RequiresNew, new TransactionOptions { IsolationLevel = IsolationLevel.Serializable }))
                    {
                        UnitOfWork.Delete<EM_EvaluationStudentDetail>(x => evaluationStudentIDDelList.Contains(x.EvaluationStudentID));
                        UnitOfWork.BulkInsert(evaluationStudentInList);
                        UnitOfWork.BulkInsert(evaluationStudentDetailInList);
                        if (evaluationStudentUpList != null && evaluationStudentUpList.Count() > 0)
                        {
                            UnitOfWork.BatchUpdate(evaluationStudentUpList);
                        }
                        ts.Complete();
                    }
                }
                else
                {
                    throw new Exception("同学，您当前参与的教学质量评价活动，评价信息已存在，如需再次评价，请刷新页面再次尝试，感谢您的参与。");
                }
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 查询对应的学评学生明细信息List
        /// </summary>
        /// <param name="evaluationStudentID"></param>
        /// <returns></returns>
        public IList<EM_EvaluationStudentDetail> GetEvaluationStudentDetailList(Guid? evaluationStudentID)
        {
            Expression<Func<EM_EvaluationStudentDetail, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            exp = exp.And(x => x.EvaluationStudentID == evaluationStudentID);
            var query = EvaluationStudentDAL.EvaluationStudentDetailRepository.GetList(exp);
            return query.OrderBy(x => x.EvaluationStudentID).ThenBy(x => x.Score).ToList();
        }

        /// <summary>
        /// 教学评价登录控制
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public bool LoginControl(Guid? userID)
        {
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                return true;
            }
            else
            {
                if (evaluationControlView.IsLoginLock)
                {
                    var evaluationStudentViewList = this.GetStudentNoEvaluationViewList(userID).ToList();
                    if (evaluationStudentViewList == null || evaluationStudentViewList.Count() <= 0)
                    {
                        return true;
                    }
                    else
                    {
                        if (evaluationStudentViewList.Count() <= (evaluationControlView.NoNumber ?? 0))
                        {
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                }
                else
                {
                    return true;
                }
            }
        }

        /// <summary>
        /// 教学评价网上选课控制
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public bool SelectCourseControl(Guid? userID)
        {
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                return true;
            }
            else
            {
                if (evaluationControlView.IsSelectCourseLock)
                {
                    var evaluationStudentViewList = this.GetStudentNoEvaluationViewList(userID).ToList();
                    if (evaluationStudentViewList == null || evaluationStudentViewList.Count() <= 0)
                    {
                        return true;
                    }
                    else
                    {
                        if (evaluationStudentViewList.Count() <= (evaluationControlView.NoNumber ?? 0))
                        {
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                }
                else
                {
                    return true;
                }
            }
        }

        /// <summary>
        /// 教学评价考试报名控制
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public bool ExaminationApplyControl(Guid? userID)
        {
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                return true;
            }
            else
            {
                if (evaluationControlView.IsExaminationApplyLock)
                {
                    var evaluationStudentViewList = this.GetStudentNoEvaluationViewList(userID).ToList();
                    if (evaluationStudentViewList == null || evaluationStudentViewList.Count() <= 0)
                    {
                        return true;
                    }
                    else
                    {
                        if (evaluationStudentViewList.Count() <= (evaluationControlView.NoNumber ?? 0))
                        {
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                }
                else
                {
                    return true;
                }
            }
        }

        /// <summary>
        /// 教学评价课程成绩查询控制
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public bool CourseScoreControl(Guid? userID)
        {
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                return true;
            }
            else
            {
                if (evaluationControlView.IsCourseScoreLock)
                {
                    var evaluationStudentViewList = this.GetStudentNoEvaluationViewList(userID).ToList();
                    if (evaluationStudentViewList == null || evaluationStudentViewList.Count() <= 0)
                    {
                        return true;
                    }
                    else
                    {
                        if (evaluationStudentViewList.Count() <= (evaluationControlView.NoNumber ?? 0))
                        {
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                }
                else
                {
                    return true;
                }
            }
        }

        /// <summary>
        /// 教学评价等级成绩查询控制
        /// </summary>
        /// <param name="userID"></param>
        /// <returns></returns>
        public bool LevelScoreControl(Guid? userID)
        {
            var evaluationControlView = EvaluationControlServices.Value.GetEvaluationControlView();
            if (evaluationControlView == null)
            {
                return true;
            }
            else
            {
                if (evaluationControlView.IsLevelScoreLock)
                {
                    var evaluationStudentViewList = this.GetStudentNoEvaluationViewList(userID).ToList();
                    if (evaluationStudentViewList == null || evaluationStudentViewList.Count() <= 0)
                    {
                        return true;
                    }
                    else
                    {
                        if (evaluationStudentViewList.Count() <= (evaluationControlView.NoNumber ?? 0))
                        {
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                }
                else
                {
                    return true;
                }
            }
        }

    }
}