using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using System.Data.Entity;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.SelectCourse;
using EMIS.ViewModel;
using EMIS.Entities;
using EMIS.DataLogic.SelectCourse;
using EMIS.DataLogic.Repositories;
using EMIS.CommonLogic.SystemServices;
using EMIS.Utility.FormValidate;
using EMIS.ViewModel.EnrollManage.SpecialtyManage;

namespace EMIS.CommonLogic.SelectCourse
{
    public class FreeSelectionCourseServices : BaseWorkflowServices<EM_FreeSelectionCouseApply>, IFreeSelectionCourseServices
    {
        public FreeSelectionCoursePlanDAL FreeSelectionCoursePlanDAL { get; set; }
        public FreeSelectionCourseDAL FreeSelectionCourseDAL { get; set; }

        public FreeSelectionCouseTeachingModeRepository FreeSelectionCouseTeachingModeRepository { get; set; }

        public IGridResultSet<FreeSelectionCourseView> GetFreeSelectionCourseViewGrid(ConfiguretView configuretView,
            Guid? coursematerialID,Guid? departmentID, int? schoolcodeID, int? starttermID, int? isEnable, int pageIndex, int pageSize)
        {
            List<FreeSelectionCourseView> list = new List<FreeSelectionCourseView>();
            var query = FreeSelectionCourseDAL.GetFreeSelectionCourseViewQueryable(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            var queryTeachingModeType = FreeSelectionCourseDAL.GetTeachingModeTypeViewQueryable(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            if (coursematerialID.HasValue)
            {
                query = query.Where(x => x.CoursematerialID == coursematerialID);
                queryTeachingModeType = queryTeachingModeType.Where(x => x.CoursematerialID == coursematerialID);
            }
            if (departmentID.HasValue)
            {
                query = query.Where(x => x.DepartmentID == departmentID);
                queryTeachingModeType = queryTeachingModeType.Where(x => x.DepartmentID == departmentID);
            }
            //if (schoolcodeID.HasValue)
            //{
            //    query = query.Where(x => x.SchoolcodeID == schoolcodeID);
            //    queryTeachingModeType = queryTeachingModeType.Where(x => x.SchoolcodeID == schoolcodeID);
            //}
            //if (starttermID.HasValue)
            //{
            //    query = query.Where(x => x.StarttermID == starttermID);
            //    queryTeachingModeType = queryTeachingModeType.Where(x => x.StarttermID == starttermID);
            //}
            if (isEnable.HasValue)
            {
                query = query.Where(x => x.IsEnable == (isEnable == 1 ? true : false));
                queryTeachingModeType = queryTeachingModeType.Where(x => x.IsEnable == (isEnable == 1 ? true : false));
            }
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue);
            var result=this.GetQueryByDataRangeByCollege(query).OrderBy(x => x.CreateTime).ToGridResultSet<FreeSelectionCourseView>(pageIndex, pageSize);
            result.rows.ForEach(x => x.TeachingModeName = string.Join(",", queryTeachingModeType.Where(w => w.FreeSelectionCouseID == x.FreeSelectionCouseID).Select(w => w.TeachingModeName)));
            return result;
        }

        public List<FreeSelectionCourseView> GetFreeSelectionCourseViewList(ConfiguretView configuretView,
            Guid? coursematerialID,Guid? departmentID, int? schoolcodeID, int? starttermID, int? isEnable)
        {
            List<FreeSelectionCourseView> list = new List<FreeSelectionCourseView>();
            var query = FreeSelectionCourseDAL.GetFreeSelectionCourseViewQueryable(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            var queryTeachingModeType = FreeSelectionCourseDAL.GetTeachingModeTypeViewQueryable(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            if (coursematerialID.HasValue)
            {
                query = query.Where(x => x.CoursematerialID == coursematerialID);
                queryTeachingModeType = queryTeachingModeType.Where(x => x.CoursematerialID == coursematerialID);
            }
            if (departmentID.HasValue)
            {
                query = query.Where(x => x.DepartmentID == departmentID);
                queryTeachingModeType = queryTeachingModeType.Where(x => x.DepartmentID == departmentID);
            }
            if (schoolcodeID.HasValue)
            {
                query = query.Where(x => x.SchoolcodeID == schoolcodeID);
                queryTeachingModeType = queryTeachingModeType.Where(x => x.SchoolcodeID == schoolcodeID);
            }
            if (starttermID.HasValue)
            {
                query = query.Where(x => x.StarttermID == starttermID);
                queryTeachingModeType = queryTeachingModeType.Where(x => x.StarttermID == starttermID);
            }
            if (isEnable.HasValue)
            {
                query = query.Where(x => x.IsEnable == (isEnable == 1 ? true : false));
                queryTeachingModeType = queryTeachingModeType.Where(x => x.IsEnable == (isEnable == 1 ? true : false));
            }
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
                list = this.GetQueryByDataRangeByCollege(query).DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue).ToList();
            else
                list = this.GetQueryByDataRangeByCollege(query).ToList();
            list.ForEach(x => x.TeachingModeName = string.Join(",", queryTeachingModeType.Where(w => w.FreeSelectionCouseID == x.FreeSelectionCouseID).Select(w => w.TeachingModeName)));
            return list.OrderBy(x => x.CreateTime).ToList();
        }

        public EM_FreeSelectionCouse GetFreeSelectionCourse(Guid? freeSelectionCourseID)
        {
            System.Linq.Expressions.Expression<Func<EM_FreeSelectionCouse, bool>> expression =
                (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expression = (x => x.FreeSelectionCouseID == freeSelectionCourseID);
            return FreeSelectionCourseDAL.FreeSelectionCouseRepository.GetSingle(expression, (x => x.CF_Department), (x => x.EM_Coursematerial));
        }

        public FreeSelectionCourseView GetFreeSelectionCourseView(Guid? freeSelectionCourseID)
        {
            var query = FreeSelectionCourseDAL.GetFreeSelectionCourseViewQueryable(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            return query.Where(x => x.FreeSelectionCouseID == freeSelectionCourseID).FirstOrDefault();
        }

        public EM_FreeSelectionCouseTeachingSetting GetFreeSelectionCourseTeachingSetting(Guid? freeSelectionCourseID)
        {
            //查询条件
            System.Linq.Expressions.Expression<Func<EM_FreeSelectionCouseTeachingSetting, bool>> expression = (x => true);
            expression = (x => x.FreeSelectionCouseID == freeSelectionCourseID);
            return FreeSelectionCourseDAL.FreeSelectionCouseTeachingSettingRepository.GetSingle(expression);
        }

        private string GetFreeSelectionCourseNo(EM_FreeSelectionCouse freeSelectionCourse)
        {
            var course = this.FreeSelectionCourseDAL.CoursematerialDAL.Value.CoursematerialRepository.GetSingle(x => x.CoursematerialID == freeSelectionCourse.CoursematerialID);
            if (course == null)
            {
                throw new Exception("找不到所选的课程资料。");
            }
            string code = course.CourseCode + "-" + (freeSelectionCourse.SchoolyearNumID ?? 0).ToString() + "-" + (freeSelectionCourse.SchoolcodeID ?? 0).ToString();

            return code;
        }

        public bool FreeSelectionCourseAdd(FreeSelectionCourseView freeSelectionCourseView)
        {
            EM_FreeSelectionCouse freeSelectionCourse;
            EM_FreeSelectionCouseTeachingSetting freeSelectionCourseTeachingSetting;
            try
            {
                if (this.FreeSelectionCourseDAL.FreeSelectionCouseRepository .GetList(
                    x => x.CoursematerialID == freeSelectionCourseView.CoursematerialID
                    && x.DepartmentID == freeSelectionCourseView.DepartmentID
                    && x.CourseTypeID == freeSelectionCourseView.CourseTypeID).Count() > 0)
                {
                    throw new Exception("该教研室对应的课程已经存在，请重新输入。");
                }

                freeSelectionCourse = new EM_FreeSelectionCouse();
                freeSelectionCourse.FreeSelectionCouseID = Guid.NewGuid();
                freeSelectionCourse.DepartmentID = freeSelectionCourseView.DepartmentID;
                freeSelectionCourse.CoursematerialID = freeSelectionCourseView.CoursematerialID;
                freeSelectionCourse.CourseStructureID = freeSelectionCourseView.CourseStructureID;
                freeSelectionCourse.CourseCategoryID = freeSelectionCourseView.CourseCategoryID;
                freeSelectionCourse.CourseTypeID = freeSelectionCourseView.CourseTypeID;
                freeSelectionCourse.CourseQualityID = freeSelectionCourseView.CourseQualityID;
                freeSelectionCourse.PracticeTypeID = freeSelectionCourseView.PracticeTypeID;
                freeSelectionCourse.ExaminationModeID = freeSelectionCourseView.ExaminationModeID;
                freeSelectionCourse.TeachinglanguageID = freeSelectionCourseView.TeachinglanguageID;
                freeSelectionCourse.SchoolyearNumID = freeSelectionCourseView.SchoolyearNumID;
                freeSelectionCourse.SchoolcodeID = freeSelectionCourseView.SchoolcodeID;
                //freeSelectionCourse.StarttermID = freeSelectionCourseView.StarttermID;
                freeSelectionCourse.IsEnable = freeSelectionCourseView.IsEnable;
                freeSelectionCourse.ResultTypeID = freeSelectionCourseView.ResultTypeID;
                freeSelectionCourse.Remark = freeSelectionCourseView.Remark;
                //最后计算选课编号
                //freeSelectionCourse.No = this.GetFreeSelectionCourseNo(freeSelectionCourse);
                this.SetNewStatus(freeSelectionCourse);

                freeSelectionCourseTeachingSetting = new EM_FreeSelectionCouseTeachingSetting();
                freeSelectionCourseTeachingSetting.FreeSelectionCouseID = freeSelectionCourse.FreeSelectionCouseID;
                freeSelectionCourseTeachingSetting.Credit = freeSelectionCourseView.Credit;
                freeSelectionCourseTeachingSetting.TheoryCourse = freeSelectionCourseView.TheoryCourse;
                freeSelectionCourseTeachingSetting.Practicehours = freeSelectionCourseView.Practicehours;
                freeSelectionCourseTeachingSetting.Trialhours = freeSelectionCourseView.Trialhours;
                freeSelectionCourseTeachingSetting.WeeklyNum = freeSelectionCourseView.WeeklyNum;
                freeSelectionCourseTeachingSetting.TheoryWeeklyNum = freeSelectionCourseView.TheoryWeeklyNum;
                freeSelectionCourseTeachingSetting.PracticeWeeklyNum = freeSelectionCourseView.PracticeWeeklyNum;
                freeSelectionCourseTeachingSetting.TrialWeeklyNum = freeSelectionCourseView.TrialWeeklyNum;
                freeSelectionCourseTeachingSetting.StartWeeklyNum = freeSelectionCourseView.StartWeeklyNum;
                freeSelectionCourseTeachingSetting.EndWeeklyNum = freeSelectionCourseView.EndWeeklyNum;
                freeSelectionCourseTeachingSetting.WeeklyHours = freeSelectionCourseView.WeeklyHours;
                if (freeSelectionCourseView.TeachingModeID != null)
                {
                    TeachingModeTypeAdd(freeSelectionCourseView.TeachingModeID, freeSelectionCourse.FreeSelectionCouseID);
                }

                UnitOfWork.Add(freeSelectionCourse);
                UnitOfWork.Add(freeSelectionCourseTeachingSetting);
                UnitOfWork.Commit();
                return true;
            }
            catch (Exception)
            {

                throw;
            }
        }

        public bool FreeSelectionCourseUpdate(FreeSelectionCourseView freeSelectionCourseView)
        {
            EM_FreeSelectionCouse freeSelectionCourse;
            EM_FreeSelectionCouseTeachingSetting freeSelectionCourseTeachingSetting;
            try
            {
                if (this.FreeSelectionCourseDAL.FreeSelectionCouseRepository.GetList(
                    x => x.CoursematerialID == freeSelectionCourseView.CoursematerialID
                    && x.DepartmentID == freeSelectionCourseView.DepartmentID
                    && x.CourseTypeID == freeSelectionCourseView.CourseTypeID
                    && x.FreeSelectionCouseID != freeSelectionCourseView.FreeSelectionCouseID).Count() > 0)
                {
                    throw new Exception("该课程已经存在，请重新输入。");
                }

                freeSelectionCourse = GetFreeSelectionCourse(freeSelectionCourseView.FreeSelectionCouseID);
                freeSelectionCourseTeachingSetting = GetFreeSelectionCourseTeachingSetting(freeSelectionCourseView.FreeSelectionCouseID);

                freeSelectionCourse.FreeSelectionCouseID = freeSelectionCourseView.FreeSelectionCouseID;
                freeSelectionCourse.DepartmentID = freeSelectionCourseView.DepartmentID;
                freeSelectionCourse.CoursematerialID = freeSelectionCourseView.CoursematerialID;
                freeSelectionCourse.CourseStructureID = freeSelectionCourseView.CourseStructureID;
                freeSelectionCourse.CourseCategoryID = freeSelectionCourseView.CourseCategoryID;
                freeSelectionCourse.CourseTypeID = freeSelectionCourseView.CourseTypeID;
                freeSelectionCourse.CourseQualityID = freeSelectionCourseView.CourseQualityID;
                freeSelectionCourse.PracticeTypeID = freeSelectionCourseView.PracticeTypeID;
                freeSelectionCourse.ExaminationModeID = freeSelectionCourseView.ExaminationModeID;
                freeSelectionCourse.TeachinglanguageID = freeSelectionCourseView.TeachinglanguageID;
                freeSelectionCourse.SchoolyearNumID = freeSelectionCourseView.SchoolyearNumID;
                freeSelectionCourse.SchoolcodeID = freeSelectionCourseView.SchoolcodeID;
                //freeSelectionCourse.StarttermID = freeSelectionCourseView.StarttermID;
                freeSelectionCourse.IsEnable = freeSelectionCourseView.IsEnable;
                freeSelectionCourse.ResultTypeID = freeSelectionCourseView.ResultTypeID;
                freeSelectionCourse.Remark = freeSelectionCourseView.Remark;
                this.SetModifyStatus(freeSelectionCourse);

                freeSelectionCourseTeachingSetting.Credit = freeSelectionCourseView.Credit;
                freeSelectionCourseTeachingSetting.TheoryCourse = freeSelectionCourseView.TheoryCourse;
                freeSelectionCourseTeachingSetting.Practicehours = freeSelectionCourseView.Practicehours;
                freeSelectionCourseTeachingSetting.Trialhours = freeSelectionCourseView.Trialhours;
                freeSelectionCourseTeachingSetting.WeeklyNum = freeSelectionCourseView.WeeklyNum;
                freeSelectionCourseTeachingSetting.TheoryWeeklyNum = freeSelectionCourseView.TheoryWeeklyNum;
                freeSelectionCourseTeachingSetting.PracticeWeeklyNum = freeSelectionCourseView.PracticeWeeklyNum;
                freeSelectionCourseTeachingSetting.TrialWeeklyNum = freeSelectionCourseView.TrialWeeklyNum;
                freeSelectionCourseTeachingSetting.StartWeeklyNum = freeSelectionCourseView.StartWeeklyNum;
                freeSelectionCourseTeachingSetting.EndWeeklyNum = freeSelectionCourseView.EndWeeklyNum;
                freeSelectionCourseTeachingSetting.WeeklyHours = freeSelectionCourseView.WeeklyHours;
                if (freeSelectionCourseView.TeachingModeID != null)
                {
                    TeachingModeTypeAdd(freeSelectionCourseView.TeachingModeID, freeSelectionCourse.FreeSelectionCouseID);
                }
                UnitOfWork.Update(freeSelectionCourse);
                UnitOfWork.Update(freeSelectionCourseTeachingSetting);
                UnitOfWork.Commit();
                return true;
            }
            catch (Exception)
            {

                throw;
            }
        }

        private bool TeachingModeTypeAdd(List<int> list, Guid? freeSelectionCourseID)
        {
            try
            {
                if (list.Count > 0)
                {
                    UnitOfWork.Delete<EM_FreeSelectionCouseTeachingMode>(x => x.FreeSelectionCouseID == freeSelectionCourseID);
                    foreach (var i in list)
                    {
                        EM_FreeSelectionCouseTeachingMode teachingModeType = new EM_FreeSelectionCouseTeachingMode();
                        teachingModeType.FreeSelectionCouseTeachingModeID = Guid.NewGuid();
                        teachingModeType.FreeSelectionCouseID = freeSelectionCourseID;
                        teachingModeType.TeachingModeID = i;
                        this.SetNewStatus(teachingModeType);
                        UnitOfWork.Add(teachingModeType);
                    }
                }
                return true;
            }
            catch (Exception)
            {

                throw;
            }
        }

        public bool FreeSelectionCourseDelete(List<Guid?> freeSelectionCourseIDs)
        {
            try
            {
                if (freeSelectionCourseIDs.Count > 0)
                {
                    UnitOfWork.Delete<EM_FreeSelectionCouseTeachingSetting>(x => freeSelectionCourseIDs.Contains(x.FreeSelectionCouseID));
                    UnitOfWork.Delete<EM_FreeSelectionCouseTeachingMode>(x => freeSelectionCourseIDs.Contains(x.FreeSelectionCouseID));
                    UnitOfWork.Delete<EM_FreeSelectionCouse>(x => freeSelectionCourseIDs.Contains(x.FreeSelectionCouseID));
                    UnitOfWork.Commit();
                }
                return true;
            }
            catch (Exception)
            {

                throw;
            }
        }

        /// <summary>
        /// 根据任选课程获取授课方式
        /// </summary>
        /// <param name="freeSelectionCourseID"></param>
        /// <returns></returns>
        public List<int> GetTeachingModeType(Guid? freeSelectionCourseID)
        {
            List<int> list = new List<int>();
            return FreeSelectionCourseDAL.GetTeachingModeType(x => x.FreeSelectionCouseID == freeSelectionCourseID)
                .Select(x => x.Value ?? 0).ToList();
        }

        public EM_FreeSelectionCouse GetFreeSelectionCourseCourse(Guid? coursematerialID)
        {
            //查询条件
            System.Linq.Expressions.Expression<Func<EM_FreeSelectionCouse, bool>> expression = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            expression = (x => x.CoursematerialID == coursematerialID);
            return FreeSelectionCourseDAL.FreeSelectionCouseRepository.GetSingle(expression, (x => x.CF_Department), (x => x.EM_Coursematerial));
        }

        public void SaveFreeSelectionCourseTeachers(Guid freeSelectionCourseApplyID, IList<FreeSelectionCourseApplyTeacherListView> teacherList)
        {
            var freeSelectionCourseApply = this.FreeSelectionCoursePlanDAL.FreeSelectionCouseApplyRepository
                .GetSingle(x => x.FreeSelectionCouseApplyID == freeSelectionCourseApplyID, (x => x.EM_FreeSelectionCouseApplyTeacher));

            freeSelectionCourseApply.EM_FreeSelectionCouseApplyTeacher.ToList().ForEach(x => this.UnitOfWork.Remove(x));
            //teacherList.ToList().ForEach(x =>
            //{
            //    var freeSelectionCourseApplyStaffEntity = new EM_FreeSelectionCouseApplyStaff
            //    {
            //        FreeSelectionCouseApplyStaffID = Guid.NewGuid(),
            //        FreeSelectionCouseApplyID = freeSelectionCourseApplyID,
            //        UserID = x.UserID,
            //        TeachingMethod = x.TeachingMethod
            //    };
            //    this.SetNewStatus(freeSelectionCourseApplyStaffEntity);

            //    this.UnitOfWork.Add(freeSelectionCourseApplyStaffEntity);
            //});

            this.UnitOfWork.Commit();
        }
    }
}