using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.ViewModel.UniversityManage.ClassroomManage;
using EMIS.DataLogic.Repositories;

namespace EMIS.DataLogic.UniversityManage.ClassroomManage
{
    public class ClassroomDAL
    {
        public ClassroomRepository ClassroomRepository { get; set; }
        public ClassroomTypeRepository ClassroomTypeRepository { get; set; }
        public BuildingsInfoRepository BuildingsInfoRepository { get; set; }
        public CollegeRepository CollegeRepository { get; set; }
        public ClassroomReserveRepository ClassroomReserveRepository { get; set; }
        public CollegeClassroomRepository CollegeClassroomRepository { get; set; }
        public DictionaryItemRepository DictionaryItemRepository { get; set; }
        public ClassroomTypeRepository classroomTypeRepository { get; set; }

        /// <summary>
        /// 查询教室信息View（关联排课中教室预留信息、统计排课分配的院系个数）
        /// </summary>
        /// <param name="expClassroom"></param>
        /// <returns></returns>
        public IQueryable<ClassroomView> GetClassroomViewQueryable(Expression<Func<CF_Classroom, bool>> expClassroom)
        {
            var query = from cr in ClassroomRepository.GetList(expClassroom)
                        join re in ClassroomReserveRepository.Entities
                        on cr.ClassroomID equals re.ClassroomID into tempre
                        from crre in tempre.DefaultIfEmpty()
                        join cc in
                            (
                                from cc in CollegeClassroomRepository.Entities
                                group cc by cc.ClassroomID into gcr
                                select new
                                {
                                    ClassroomID = gcr.Key,
                                    ScheduleCollegeCount = gcr.Count()
                                }
                            )
                        on cr.ClassroomID equals cc.ClassroomID into tempcc
                        from colcr in tempcc.DefaultIfEmpty()
                        select new ClassroomView
                        {
                            ClassroomID = cr.ClassroomID,
                            Code = cr.Code,
                            Name = cr.Name,
                            BuildingsInfoID = cr.BuildingsInfoID,
                            BuildingsInfoCode = cr.CF_BuildingsInfo.Code,
                            BuildingsInfoName = cr.CF_BuildingsInfo.Name,
                            CampusID = cr.CF_BuildingsInfo.CampusID,
                            CampusCode = cr.CF_BuildingsInfo.CF_Campus.No,
                            CampusName = cr.CF_BuildingsInfo.CF_Campus.Name,
                            CollegeID = cr.CollegeID,
                            CollegeCode = cr.CF_College.No,
                            CollegeName = cr.CF_College.Name,
                            UnitCategoryID = cr.CF_College.CF_CollegeProfile.UnitCategoryID,
                            CollegeCampusID = cr.CF_College.CampusID,
                            CollegeCampusCode = cr.CF_College.CF_Campus.No,
                            CollegeCampusName = cr.CF_College.CF_Campus.Name,
                            CF_ClassroomType = cr.CF_ClassroomType,
                            ClassroomTypeIDList = cr.CF_ClassroomType.Select(x => x.ClassroomType).ToList(),
                            LayoutTypeID = cr.LayoutTypeID,
                            RoomUseID = cr.RoomUseID,
                            FloorLevel = cr.FloorLevel,
                            Acreage = cr.Acreage,
                            RowCout = cr.RowCout,
                            ColumnCount = cr.ColumnCount,
                            Totalseating = cr.Totalseating,
                            Effectiveseating = cr.Effectiveseating,
                            Examinationseating = cr.Examinationseating,
                            IsWrittenExam = cr.IsWrittenExam ?? false,
                            IsMachinetest = cr.IsMachinetest ?? false,
                            IsConcurrentUse = cr.IsConcurrentUse ?? false,
                            IsReserve = crre.IsReserved == true ? true : false,
                            IsAvailable = cr.IsAvailable ?? false,
                            ScheduleCollegeCount = colcr.ScheduleCollegeCount == null ? 0 : colcr.ScheduleCollegeCount,
                            Remark = cr.Remark,
                            RecordStatus = cr.RecordStatus,
                            CreateUserID = cr.CreateUserID,
                            CreateTime = cr.CreateTime,
                            ModifyUserID = cr.ModifyUserID,
                            ModifyTime = cr.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询教室信息对应的排课分配院系所信息（根据教室信息）
        /// </summary>
        /// <param name="expClassroom"></param>
        /// <returns></returns>
        public IQueryable<ClassroomView> GetClassroomCollegeViewQueryable(Expression<Func<CF_Classroom, bool>> expClassroom)
        {
            var query = from cr in ClassroomRepository.GetList(expClassroom)
                        join re in ClassroomReserveRepository.Entities
                        on cr.ClassroomID equals re.ClassroomID into tempre
                        from crre in tempre.DefaultIfEmpty()
                        join colcr in CollegeClassroomRepository.Entities
                        on cr.ClassroomID equals colcr.ClassroomID
                        join col in CollegeRepository.Entities
                        on colcr.CollegeID equals col.CollegeID
                        select new ClassroomView
                        {
                            ClassroomID = cr.ClassroomID,
                            Code = cr.Code,
                            Name = cr.Name,
                            BuildingsInfoID = cr.BuildingsInfoID,
                            BuildingsInfoCode = cr.CF_BuildingsInfo.Code,
                            BuildingsInfoName = cr.CF_BuildingsInfo.Name,
                            CampusID = cr.CF_BuildingsInfo.CampusID,
                            CampusCode = cr.CF_BuildingsInfo.CF_Campus.No,
                            CampusName = cr.CF_BuildingsInfo.CF_Campus.Name,
                            CollegeID = colcr.CollegeID,
                            CollegeCode = col.No,
                            CollegeName = col.Name,
                            UnitCategoryID = col.CF_CollegeProfile.UnitCategoryID,
                            CollegeCampusID = col.CampusID,
                            CollegeCampusCode = col.CF_Campus.No,
                            CollegeCampusName = col.CF_Campus.Name,
                            CF_ClassroomType = cr.CF_ClassroomType,
                            ClassroomTypeIDList = cr.CF_ClassroomType.Select(x => x.ClassroomType).ToList(),
                            LayoutTypeID = cr.LayoutTypeID,
                            RoomUseID = cr.RoomUseID,
                            FloorLevel = cr.FloorLevel,
                            Acreage = cr.Acreage,
                            RowCout = cr.RowCout,
                            ColumnCount = cr.ColumnCount,
                            Totalseating = cr.Totalseating,
                            Effectiveseating = cr.Effectiveseating,
                            Examinationseating = cr.Examinationseating,
                            IsWrittenExam = cr.IsWrittenExam ?? false,
                            IsMachinetest = cr.IsMachinetest ?? false,
                            IsConcurrentUse = cr.IsConcurrentUse ?? false,
                            IsReserve = crre.IsReserved == true ? true : false,
                            IsAvailable = cr.IsAvailable ?? false,
                            Remark = cr.Remark,
                            RecordStatus = cr.RecordStatus,
                            CreateUserID = cr.CreateUserID,
                            CreateTime = cr.CreateTime,
                            ModifyUserID = cr.ModifyUserID,
                            ModifyTime = cr.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询对应的教室类型信息（根据教室信息ID）
        /// </summary>
        /// <param name="classroomID"></param>
        /// <returns></returns>
        public List<int> GetClassroomModeTypeQueryble(Guid? classroomID)
        {
            var query = from a in ClassroomTypeRepository.Entities.Where(x => x.ClassroomID == classroomID)
                        join b in DictionaryItemRepository.Entities
                        on new { ClassroomType = a.ClassroomType, DictionaryCode = DictionaryItem.CF_ClassroomType.ToString() }
                        equals new { ClassroomType = b.Value, DictionaryCode = b.DictionaryCode }
                        select b.Value.Value;

            return query.ToList();
        }

    }
}