using System;
using System.Collections.Generic;
using System.Linq;
using Bowin.Common.Linq;
using System.Linq.Expressions;
using EMIS.Entities;
using EMIS.ViewModel.EducationManagement;
using EMIS.DataLogic.EducationManage;
using Bowin.Common.Linq.Entity;
using EMIS.DataLogic.EducationSchedule;
using EMIS.ViewModel;
using EMIS.DataLogic.SchedulingManage.SchedulingSettings;
namespace EMIS.CommonLogic.EducationSchedule
{
    public class EducationMissionClassScheduleServices : BaseServices, IEducationMissionClassScheduleServices
    {
        public EducationMissionClassDAL educationMissionClassDAL { get; set; }
        public EducationMissionClassScheduleDAL educationMissionClassScheduleDAL { get; set; }
        public CollegePriorityDAL collegePriorityDAL { get; set; }

        /// <summary>
        /// 无数据范围限制
        /// </summary>
        /// <param name="configuretView"></param>
        /// <param name="campusID"></param>
        /// <param name="collegeID"></param>
        /// <param name="schoolyearID"></param>
        /// <param name="departmentID"></param>
        /// <param name="coursematerialID"></param>
        /// <param name="approvalStatus"></param>
        /// <param name="teachingModeID"></param>
        /// <param name="grademajorID"></param>
        /// <param name="gradeYearID"></param>
        /// <param name="StandardID"></param>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <returns></returns>
        public Bowin.Common.Linq.Entity.IGridResultSet<ViewModel.EducationManagement.EducationMissionClassView> GetEducationMissionClassScheduleViewGrid(ViewModel.ConfiguretView configuretView, Guid? campusID, Guid? collegeID, Guid? schoolyearID, Guid? departmentID, Guid? coursematerialID, int? approvalStatus, int? teachingModeID, Guid? grademajorID, int? gradeYearID, int? StandardID, int pageIndex, int pageSize)
        {
            Expression<Func<EM_EducationMissionClass, bool>> exp = (x => true);
            Expression<Func<EM_ExecutablePlan, bool>> executablePlanExp = (x => true);
            Expression<Func<EM_ExecutableOptionalCourse, bool>> executableOptionalCourseExp = (x => true);
            Expression<Func<EM_ExecutableFreeSelectionCouse, bool>> executableFreeSelectionCourseCourseExp = (x => true);
            //if(StandardID.HasValue)
            //{
            //    executablePlanExp = executablePlanExp.And(x => x.CF_Grademajor.CF_Facultymajor.StandardID == StandardID);
            //}
            if (campusID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.CF_College.CampusID == campusID);
            }
            if (collegeID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.CollegeID == collegeID);
            }
            if (departmentID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.DepartmentID == departmentID);
            }
            //if (gradeYearID.HasValue)
            //{
            //    //exp = exp.And(x => x.EM_ExecutablePlan.CF_Grademajor.SchoolyearID == gradeYearID);
            //    executablePlanExp = executablePlanExp.And(x => x.CF_Grademajor.SchoolyearID == gradeYearID);
            //    executableOptionalCourseExp = executableOptionalCourseExp.And(x => x.CF_Grademajor.SchoolyearID == gradeYearID);
            //}
            //if (grademajorID.HasValue)
            //{
            //    //exp = exp.And(x => x.EM_ExecutablePlan.GrademajorID == grademajorID);
            //    executablePlanExp = executablePlanExp.And(x => x.GrademajorID == grademajorID);
            //    executableOptionalCourseExp = executableOptionalCourseExp.And(x => x.GrademajorID == grademajorID);
            //}
            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.SchoolyearID == schoolyearID);
            }
            if (coursematerialID.HasValue)
            {
                exp = exp.And(x => x.CoursematerialID == coursematerialID);
                executablePlanExp = executablePlanExp.And(x => x.CoursematerialID == coursematerialID);
                executableOptionalCourseExp = executableOptionalCourseExp.And(x => x.EM_OptionalCoursePlan.CoursematerialID == coursematerialID);
                executableFreeSelectionCourseCourseExp = executableFreeSelectionCourseCourseExp.And(x => x.EM_FreeSelectionCouse.CoursematerialID == coursematerialID);
            }
            if (approvalStatus.HasValue)
            {
                exp = exp.And(x => x.RecordStatus == approvalStatus);
            }
            if (teachingModeID.HasValue)
            {
                exp = exp.And(x => x.TeachingModeID == teachingModeID);
            }
            var query = educationMissionClassScheduleDAL.GetEducationMissionClassViewQueryble(exp, executablePlanExp,
                executableOptionalCourseExp, executableFreeSelectionCourseCourseExp);
            if (StandardID.HasValue)
            { 
            query = query.Where(x => x.StandardID == StandardID);
            }
            if (grademajorID.HasValue)
            {
                query = query.Where(x => x.GrademajorID == grademajorID);
            }
            if (gradeYearID.HasValue)
            {
                query = query.Where(x => x.GradeYearID == gradeYearID);
            }
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue);
            }
            query = this.GetQueryByDataRangeByCollege(query);
            var result = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo).ThenByDescending(x => x.GradeYearID)
                .ThenBy(x => x.StandardID).ThenBy(x => x.CourseName).ThenBy(x => x.OrderNo).ThenBy(x => x.Name)
                .ToGridResultSet<EducationMissionClassView>(pageIndex, pageSize);

            var educationMissionClassID = result.rows.Select(x => x.EducationMissionClassID).ToList();
            var missionClassTeacherList = educationMissionClassDAL.GetMissionClassTeacherQuery(x => educationMissionClassID.Contains(x.EducationMissionClassID)).ToList();
            result.rows.ForEach(x => x.MissionClassTeacherView = new HashSet<MissionClassTeacherView>(missionClassTeacherList.Where(y => y.EducationMissionClassID == x.EducationMissionClassID)));
            return result;
        }


        public List<EducationMissionClassView> GetEducationMissionClassScheduleViewList(ViewModel.ConfiguretView configuretView, Guid? campusID, Guid? collegeID, Guid? schoolyearID, Guid? departmentID, Guid? coursematerialID, int? approvalStatus, int? teachingModeID, Guid? grademajorID, int? gradeYearID)
        {
            Expression<Func<EM_EducationMissionClass, bool>> exp = (x => true);
            Expression<Func<EM_ExecutablePlan, bool>> executablePlanExp = (x => true);
            Expression<Func<EM_ExecutableOptionalCourse, bool>> executableOptionalCourseExp = (x => true);
            Expression<Func<EM_ExecutableFreeSelectionCouse, bool>> executableFreeSelectionCourseCourseExp = (x => true);
            if (campusID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.CF_College.CampusID == campusID);
            }
            if (collegeID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.CollegeID == collegeID);
            }
            if (departmentID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.DepartmentID == departmentID);
            }
            if (gradeYearID.HasValue)
            {
                //exp = exp.And(x => x.EM_ExecutablePlan.CF_Grademajor.SchoolyearID == gradeYearID);
                executablePlanExp = executablePlanExp.And(x => x.CF_Grademajor.GradeID == gradeYearID);
                executableOptionalCourseExp = executableOptionalCourseExp.And(x => x.CF_Grademajor.GradeID == gradeYearID);
            }
            if (grademajorID.HasValue)
            {
                //exp = exp.And(x => x.EM_ExecutablePlan.GrademajorID == grademajorID);
                executablePlanExp = executablePlanExp.And(x => x.GrademajorID == grademajorID);
                executableOptionalCourseExp = executableOptionalCourseExp.And(x => x.GrademajorID == grademajorID);
            }
            if (schoolyearID.HasValue)
            {
                exp = exp.And(x => x.EM_EducationMission.SchoolyearID == schoolyearID);
            }
            if (coursematerialID.HasValue)
            {
                exp = exp.And(x => x.CoursematerialID == coursematerialID);
                executablePlanExp = executablePlanExp.And(x => x.CoursematerialID == coursematerialID);
                executableOptionalCourseExp = executableOptionalCourseExp.And(x => x.EM_OptionalCoursePlan.CoursematerialID == coursematerialID);
                executableFreeSelectionCourseCourseExp = executableFreeSelectionCourseCourseExp.And(x => x.EM_FreeSelectionCouse.CoursematerialID == coursematerialID);
            }
            if (approvalStatus.HasValue)
            {
                exp = exp.And(x => x.RecordStatus == approvalStatus);
            }
            if (teachingModeID.HasValue)
            {
                exp = exp.And(x => x.TeachingModeID == teachingModeID);
            }
            var query = educationMissionClassScheduleDAL.GetEducationMissionClassViewQueryble(exp, executablePlanExp,
                executableOptionalCourseExp, executableFreeSelectionCourseCourseExp);
            var educationMissionClassID = query.Select(x => x.EducationMissionClassID).ToList();
            var missionClassTeacherList = educationMissionClassDAL.GetMissionClassTeacherQuery(x => educationMissionClassID.Contains(x.EducationMissionClassID)).ToList();
            if (!string.IsNullOrEmpty(configuretView.ConditionValue))
            {
                query = query.DynamicWhere(configuretView.Attribute, configuretView.Condition, configuretView.ConditionValue);
            }
            query = this.GetQueryByDataRangeByCollege(query);
            var result = this.GetQueryByDataRangeByCollege(query).OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo).ThenByDescending(x => x.GradeYearID)
                .ThenBy(x => x.StandardID).ThenBy(x => x.CourseName).ThenBy(x => x.OrderNo).ThenBy(x => x.Name)
               .ToList();

            result.ForEach(x => x.MissionClassTeacherView = new HashSet<MissionClassTeacherView>(missionClassTeacherList.Where(y => y.EducationMissionClassID == x.EducationMissionClassID)));
            return result;
        }


        public void Delete(List<Guid?> educationMissionClassIDs)
        {
            #region 检查课表是否已提交
            var submittedCollege = this.educationMissionClassDAL.GetSchedulingSubmittedCollege(educationMissionClassIDs).ToList();
            if (submittedCollege.Count != 0)
            {
                string collegeNameString = string.Join("、", submittedCollege.Select(x => x.Name));
                throw new Exception(collegeNameString + "的课表已经提交并形成正式课表，因此无法撤销。");
            }
            #endregion

            #region 根据教学任务、删除排课未提交状态的相关信息
            var educationSchedulingClassList = this.educationMissionClassDAL.EducationSchedulingClassRepository
                  .GetList(x => educationMissionClassIDs.Contains(x.EM_EducationMissionClass.EducationMissionClassID)).Select(w => w.EducationSchedulingClassID)
                  .ToList();
            var educationSchedulingList = this.educationMissionClassDAL.EducationSchedulingRepository
               .GetList(x => educationSchedulingClassList.Contains(x.EM_EducationSchedulingClass.EducationSchedulingClassID)
               , (x => x.ES_EducationSchedulingTeacher), (x => x.ES_EducationSchedulingWeekNum))
               .ToList();

            foreach (var educationScheduling in educationSchedulingList)
            {
                UnitOfWork.Delete<ES_EducationSchedulingTeacher>(x => x.EducationSchedulingID == educationScheduling.EducationSchedulingID);
                UnitOfWork.Delete<ES_EducationSchedulingWeekNum>(x => x.EducationSchedulingID == educationScheduling.EducationSchedulingID);
                UnitOfWork.Delete<ES_EducationScheduling>(x => x.EducationSchedulingID == educationScheduling.EducationSchedulingID);
            }

            var educationMissionClassList = educationMissionClassDAL.EducationMissionClassRepository.GetList(x => educationMissionClassIDs.Contains(x.EducationMissionClassID)).ToList();
            educationMissionClassList.ForEach(x =>
            {
                x.RecordStatus = (int)EM_EducationMissionClassStatus.Submitted;
                UnitOfWork.Update(x);
            });

            #endregion
            UnitOfWork.Commit();
        }
    }
}