using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.MinorManage.MinorApply;
using EMIS.ViewModel;
using EMIS.DataLogic.MinorManage.MinorApply;
using System.Linq.Expressions;
using EMIS.Entities;
using Bowin.Common.Linq;
using EMIS.CommonLogic.SystemServices;
using EMIS.DataLogic.MinorManage.MinorClass;

namespace EMIS.CommonLogic.MinorManage.MinorApply
{
    public class MinorApplyServices : BaseWorkflowServices<EM_StudentMinorRegist>, IMinorApplyServices
    {
        public MinorApplyDAL minorApplyDAL { get; set; }
        public MinorClassDAL minorClassDAL { get; set; }

        /// <summary>
        /// 辅修报名审核
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="schoolyearID"></param>
        /// <param name="collegeID"></param>
        /// <param name="yearID"></param>
        /// <param name="standardID"></param>
        /// <param name="classmajorID"></param>
        /// <param name="minorStandardID"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public IGridResultSet<MinorApplyView> MinorApplyViewGrid(ConfiguretView configuretView, Guid? schoolyearID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID, int? minorStandardID, int? approvalStatus, int pageIndex, int pageSize)
        {
            //结束流程环节ID
            var endStatusID = this.GetCorrectEndStatus();

            //审核流程状态IDList
            var approveStatusIDList = this.GetApproveStatusViewList()
                    .Select(x => x.ID).ToList();

            var applyStatusList = this.GetStatusViewList();
            var applyStatusIDList = applyStatusList.Where(x => x.ID != endStatusID && !approveStatusIDList.Contains(x.ID))
                    .Select(x => x.ID).ToList();


            Expression<Func<EM_StudentMinorRegist, bool>> exp = x => true;
            Expression<Func<CF_Classmajor, bool>> expcla = x => true;
            Expression<Func<CF_College, bool>> expcol = x => true;

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                expcol = expcol.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                expcla = expcla.And(x => x.CF_Grademajor.GradeID == yearID);
            }
            if (standardID.HasValue)
            {
                expcla = expcla.And(x => x.CF_Grademajor.CF_Facultymajor.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                expcla = expcla.And(x => x.ClassmajorID == classmajorID);
            }
            if (minorStandardID.HasValue)
            {
                exp = exp.And(x => x.CF_Grademinor.StandardID == minorStandardID);
            }
            if (approvalStatus.HasValue && approvalStatus > (int)SYS_STATUS.UNUSABLE)
            {
                exp = exp.And(x => x.RecordStatus == approvalStatus);
            }

            var query = minorApplyDAL.GetMinorApplyViewQueryable(exp, expcla, expcol);

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

            var result = this.GetQueryByDataRangeByCollege(query).OrderByDescending(x => x.SchoolyearCode).ThenBy(x => x.GrademajorCode).ThenBy(x => x.GrademinorCode).ThenBy(x => x.LoginID).ToGridResultSet<MinorApplyView>(pageIndex, pageSize);

            result.rows.ForEach(x => x.RecordStatusStr = applyStatusList.FirstOrDefault(w => w.ID == x.RecordStatus).Name);

            return result;

        }


        /// <summary>
        /// 辅修报名（Excel）
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="schoolyearID"></param>
        /// <param name="collegeID"></param>
        /// <param name="yearID"></param>
        /// <param name="standardID"></param>
        /// <param name="classmajorID"></param>
        /// <param name="minorStandardID"></param>
        /// <param name="idList"></param>
        /// <returns></returns>
        public List<MinorApplyView> GetMinorApplyViewList(ConfiguretView configuretView, Guid? schoolyearID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID, int? minorStandardID, int? approvalStatus, List<Guid?> idList)
        {
            //结束流程环节ID
            var endStatusID = this.GetCorrectEndStatus();

            //审核流程状态IDList
            var approveStatusIDList = this.GetApproveStatusViewList()
                    .Select(x => x.ID).ToList();

            var applyStatusList = this.GetStatusViewList();
            var applyStatusIDList = applyStatusList.Where(x => x.ID != endStatusID && !approveStatusIDList.Contains(x.ID))
                    .Select(x => x.ID).ToList();


            Expression<Func<EM_StudentMinorRegist, bool>> exp = x => true;
            Expression<Func<CF_Classmajor, bool>> expcla = x => true;
            Expression<Func<CF_College, bool>> expcol = x => true;

            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                expcol = expcol.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                expcla = expcla.And(x => x.CF_Grademajor.GradeID == yearID);
            }
            if (standardID.HasValue)
            {
                expcla = expcla.And(x => x.CF_Grademajor.CF_Facultymajor.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                expcla = expcla.And(x => x.ClassmajorID == classmajorID);
            }
            if (minorStandardID.HasValue)
            {
                exp = exp.And(x => x.CF_Grademinor.StandardID == minorStandardID);
            }
            if (approvalStatus.HasValue && approvalStatus > (int)SYS_STATUS.UNUSABLE)
            {
                exp = exp.And(x => x.RecordStatus == approvalStatus);
            }
            if (idList.Count > 0 && idList != null)
            {
                exp = exp.And(x => idList.Contains(x.StudentMinorRegistID));
            }
            var query = minorApplyDAL.GetMinorApplyViewQueryable(exp, expcla, expcol);

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

            var result = this.GetQueryByDataRangeByCollege(query).OrderByDescending(x => x.SchoolyearCode).ThenBy(x => x.GrademajorCode).ThenBy(x => x.GrademinorCode).ThenBy(x => x.LoginID).ToList();

            result.ForEach(x => x.RecordStatusStr = applyStatusList.FirstOrDefault(w => w.ID == x.RecordStatus).Name);

            return result;

        }


        public void MinorApplyEdit(MinorApplyView minorApplyView)
        {
            try
            {
                EM_StudentMinorRegist studentMinorRegist = new EM_StudentMinorRegist();
                if (minorApplyView.StudentMinorRegistID == null || minorApplyView.StudentMinorRegistID == Guid.Empty)
                {
                    //新增、复制新增
                    studentMinorRegist = minorApplyDAL.studentMinorRegistRepository
                            .GetSingle(x => x.SchoolyearID == minorApplyView.SchoolyearID && x.UserID == minorApplyView.CollegeID && x.GrademinorID == minorApplyView.GrademinorID);

                    if (studentMinorRegist != null)
                    {
                        throw new Exception("该学生已存在相同学年学期的辅修报名信息。");
                    }

                    studentMinorRegist = new EM_StudentMinorRegist();
                    studentMinorRegist.StudentMinorRegistID = Guid.NewGuid();
                    studentMinorRegist.GrademinorID = minorApplyView.GrademinorID;
                    studentMinorRegist.SchoolyearID = minorApplyView.SchoolyearID;
                    studentMinorRegist.UserID = minorApplyView.UserID;
                    studentMinorRegist.CreateTime = DateTime.Now;
                    studentMinorRegist.CreateUserID = EMIS.Utility.FormValidate.CustomPrincipal.Current.UserID;
                    studentMinorRegist.ModifyTime = DateTime.Now;
                    studentMinorRegist.ModifyUserID = EMIS.Utility.FormValidate.CustomPrincipal.Current.UserID;
                    UnitOfWork.Add(studentMinorRegist);
                }
                else
                {
                    //修改
                    studentMinorRegist = minorApplyDAL.studentMinorRegistRepository
                            .GetSingle(x => x.StudentMinorRegistID != minorApplyView.StudentMinorRegistID
                            && x.SchoolyearID == minorApplyView.SchoolyearID && x.UserID == minorApplyView.CollegeID && x.GrademinorID == minorApplyView.GrademinorID);

                    if (studentMinorRegist != null)
                    {
                        throw new Exception("该学生已存在相同学年学期的辅修报名信息。");
                    }

                    studentMinorRegist = minorApplyDAL.studentMinorRegistRepository
                            .GetSingle(x => x.StudentMinorRegistID == minorApplyView.StudentMinorRegistID);

                    if (studentMinorRegist == null)
                    {
                        throw new Exception("数据有误，请核查。");
                    }

                    studentMinorRegist = new EM_StudentMinorRegist();
                    studentMinorRegist.StudentMinorRegistID = Guid.NewGuid();
                    studentMinorRegist.GrademinorID = minorApplyView.GrademinorID;
                    studentMinorRegist.SchoolyearID = minorApplyView.SchoolyearID;
                    studentMinorRegist.UserID = minorApplyView.UserID;
                    studentMinorRegist.ModifyTime = DateTime.Now;
                    studentMinorRegist.ModifyUserID = EMIS.Utility.FormValidate.CustomPrincipal.Current.UserID;
                }

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

                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="minorApplyIDList"></param>
        public void MinorApplyDelete(IList<Guid?> minorApplyIDList)
        {
            try
            {
                if (minorApplyIDList.Count > 0)
                {
                    UnitOfWork.Delete<EM_StudentMinorRegist>(x => minorApplyIDList.Contains(x.StudentMinorRegistID));
                }
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }


        public MinorApplyView GetMinorApplyView(Guid? minorApplyID)
        {
            try
            {
                var minorApplyView = minorApplyDAL.GetMinorApplyViewQueryable(x => x.StudentMinorRegistID == minorApplyID, x => true, x => true)
                        .SingleOrDefault();

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


        public void MinorApproveConfirm(List<Guid?> minorApplyIDs, Guid userID, Guid actionID, string comment)
        {
            try
            {
                //查询对应的审核信息List
                var minorApplyList = minorApplyDAL.studentMinorRegistRepository
                        .GetList(x => minorApplyIDs.Contains(x.StudentMinorRegistID)).ToList();
                var endStatusID = this.GetCorrectEndStatus();
                foreach (var minorApplyID in minorApplyIDs)
                {
                    //查询对应的审核信息
                    var minorApply = minorApplyList.Where(x => x.StudentMinorRegistID == minorApplyID).SingleOrDefault();
                    if (minorApply == null)
                    {
                        throw new Exception("数据有误，请核查");
                    }
                }
                //审核
                this.Approve(minorApplyIDs.Select(x => x.Value).ToList(), userID, actionID, comment);
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }


        /// <summary>
        /// 查询辅修专业，下拉框用
        /// </summary>
        /// <param name="configuretView"></param>
        /// <returns></returns>
        public IGridResultSet<MinorApplyView> GetGrademinorGrid(ConfiguretView configuretView)
        {
            return null;
        }

        public void OnApproveEnd(IList<Guid> studentMinorRegistIDList, Guid? userID)
        {
            try
            {
                Expression<Func<EM_StudentMinorRegist, bool>> exp = x => true;
                Expression<Func<CF_Classmajor, bool>> expcla = x => true;
                Expression<Func<CF_College, bool>> expcol = x => true;

                if (studentMinorRegistIDList.Count > 0)
                {
                    exp = exp.And(x => studentMinorRegistIDList.Contains(x.StudentMinorRegistID));
                }

                var query = minorApplyDAL.GetMinorApplyViewQueryable(exp, expcla, expcol).ToList();
                foreach (var studentMinor in query)
                {
                    var classMinor = minorClassDAL.classminorRepository.GetSingle(x => x.GrademinorID == studentMinor.GrademinorID && x.RecordStatus == (int)SYS_STATUS.USABLE, (x => x.CF_ClassminorStudent));
                    if (classMinor == null)
                    {
                        return;
                    }
                    var classmionrStudent = new CF_ClassminorStudent();
                    classmionrStudent.ClassminorStudentID = Guid.NewGuid();
                    classmionrStudent.ClassminorID = classMinor.ClassminorID;
                    classmionrStudent.UserID = studentMinor.UserID.Value;
                    SetNewStatus(classmionrStudent);
                    classMinor.CF_ClassminorStudent.Add(classmionrStudent);
                }
                UnitOfWork.Commit();
            }
            catch (Exception)
            {

                throw;
            }
        }
    }
}