using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.ViewModel.CultureplanManage;
using EMIS.ViewModel.CultureplanManage.PlanManagement;
using EMIS.DataLogic.Repositories;
using EMIS.DataLogic.Common.Cultureplan;

namespace EMIS.DataLogic.CultureplanManage.PlanManagement
{
    public class SpecialtyCourseDAL
    {
        public SpecialtyCourseRepository SpecialtyCourseRepository { get; set; }
        public SpecialtyCourseTeachingSettingRepository SpecialtyCourseTeachingSettingRepository { get; set; }
        public TeachingModeTypeRepository TeachingModeTypeRepository { get; set; }
        public TeachingPlaceRepository TeachingPlaceRepository { get; set; }
        public SpecialtyRepository SpecialtyRepository { get; set; }
        public CoursematerialRepository CoursematerialRepository { get; set; }
        public DepartmentRepository DepartmentRepository { get; set; }
        public CollegeRepository CollegeRepository { get; set; }
        public DictionaryItemRepository DictionaryItemRepository { get; set; }

        /// <summary>
        /// 查询对应的专业课程信息SpecialtyCourseView
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<SpecialtyCourseView> GetSpecialtyCourseViewQueryable(Expression<Func<EM_SpecialtyCourse, bool>> exp)
        {
            var query = from sc in SpecialtyCourseRepository.GetList(exp)
                        join spe in SpecialtyRepository.Entities
                        on sc.SpecialtyID equals spe.SpecialtyID
                        join dicst in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(CF_Standard).Name)
                        on spe.StandardID equals dicst.Value into tempst
                        from spest in tempst.DefaultIfEmpty()
                        join cou in CoursematerialRepository.Entities
                        on sc.CoursematerialID equals cou.CoursematerialID
                        join scts in SpecialtyCourseTeachingSettingRepository.Entities
                        on sc.SpecialtyCourseID equals scts.SpecialtyCourseID into tempscts
                        from scscts in tempscts.DefaultIfEmpty()
                        join dep in DepartmentRepository.Entities
                        on sc.DepartmentID equals dep.DepartmentID into tempdep
                        from scdep in tempdep.DefaultIfEmpty()
                        join col in CollegeRepository.Entities
                        on scdep.CollegeID equals col.CollegeID into tempcol
                        from sccol in tempcol.DefaultIfEmpty()
                        select new SpecialtyCourseView
                        {
                            SpecialtyCourseID = sc.SpecialtyCourseID,
                            SpecialtyID = sc.SpecialtyID,
                            StandardID = spe.StandardID,
                            StandardName = spest.Name,
                            EducationID = spe.EducationID,
                            LearningformID = spe.LearningformID,
                            LearnSystem = spe.LearnSystem,
                            StarttermID = sc.StarttermID,
                            CoursematerialID = sc.CoursematerialID,
                            CourseCode = cou.CourseCode,
                            CourseName = cou.CourseName,
                            CourseStructureID = sc.CourseStructureID,
                            CourseCategoryID = sc.CourseCategoryID,
                            CourseTypeID = sc.CourseTypeID,
                            CourseQualityID = sc.CourseQualityID,
                            Credit = scscts.Credit ?? 0,
                            TheoryCourse = scscts.TheoryCourse ?? 0,
                            Practicehours = scscts.Practicehours ?? 0,
                            Trialhours = scscts.Trialhours ?? 0,
                            Totalhours = (scscts.TheoryCourse ?? 0) + (scscts.Practicehours ?? 0),
                            TheoryWeeklyNum = scscts.TheoryWeeklyNum ?? 0,
                            PracticeWeeklyNum = scscts.PracticeWeeklyNum ?? 0,
                            TrialWeeklyNum = scscts.TrialWeeklyNum ?? 0,
                            SchoolweeksNum = (scscts.TheoryWeeklyNum ?? 0) + (scscts.PracticeWeeklyNum ?? 0),
                            WeeklyHours = scscts.WeeklyHours ?? 0,
                            WeeklyNum = scscts.WeeklyNum ?? 0,
                            StartWeeklyNum = scscts.StartWeeklyNum ?? 0,
                            EndWeeklyNum = scscts.EndWeeklyNum ?? 0,
                            StartEndWeeklyNum = (scscts.StartWeeklyNum ?? 0) + "-" + (scscts.EndWeeklyNum ?? 0),
                            DepartmentID = sc.DepartmentID,
                            DepartmentCode = scdep.No,
                            DepartmentName = scdep.Name,
                            CollegeID = scdep.CollegeID,
                            CollegeCode = sccol.No,
                            CollegeName = sccol.Name,
                            IsSpecialtycore = sc.IsSpecialtycore ?? false,
                            IsCooperation = sc.IsCooperation ?? false,
                            IsRequired = sc.IsRequired ?? false,
                            IsElective = sc.IsElective ?? false,
                            IsNetworkCourse = sc.IsNetworkCourse ?? false,
                            IsMainCourse = sc.IsMainCourse ?? false,
                            IsNeedMaterial = sc.IsNeedMaterial ?? false,
                            CourseFineID = sc.CourseFineID,
                            PracticeTypeID = sc.PracticeTypeID,
                            TeachinglanguageID = sc.TeachinglanguageID,
                            ExaminationModeID = sc.ExaminationModeID,
                            ResultTypeID = sc.ResultTypeID,
                            HandleModeID = sc.HandleModeID,
                            TeachingModeIDList = sc.EM_TeachingModeType.Select(x => x.TeachingModeID).ToList(),
                            TeachingPlaceIDList = sc.EM_TeachingPlace.Select(x => x.TeachingPlace).ToList(),
                            IsEnable = sc.IsEnable ?? false,
                            Remark = sc.Remark,
                            RecordStatus = sc.RecordStatus,
                            CreateUserID = sc.CreateUserID,
                            CreateTime = sc.CreateTime,
                            ModifyUserID = sc.ModifyUserID,
                            ModifyTime = sc.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询专业课程信息对应的授课方式
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<int?> GetTeachingModeTypeQueryble(Expression<Func<EM_SpecialtyCourse, bool>> exp)
        {
            var query = from sc in SpecialtyCourseRepository.GetList(exp)
                        join tm in TeachingModeTypeRepository.Entities
                        on sc.SpecialtyCourseID equals tm.SpecialtyCourseID
                        join dictm in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(CF_TeachingMode).Name)
                        on tm.TeachingModeID equals dictm.Value
                        select dictm.Value;

            return query;
        }

        /// <summary>
        /// 查询专业课程信息对应的授课地点
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<int?> GetTeachingPlaceQueryble(Expression<Func<EM_SpecialtyCourse, bool>> exp)
        {
            var query = from sc in SpecialtyCourseRepository.GetList(exp)
                        join tp in TeachingPlaceRepository.Entities
                        on sc.SpecialtyCourseID equals tp.SpecialtyCourseID
                        join dictp in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(EMIS.ViewModel.EM_TeachingPlace).Name)
                        on tp.TeachingPlace equals dictp.Value
                        select dictp.Value;

            return query;
        }

    }
}