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

namespace EMIS.DataLogic.UniversityManage.ClassroomManage
{
    public class BuildingsInfoDAL
    {
        public BuildingsInfoRepository BuildingsInfoRepository { get; set; }
        public ClassroomRepository ClassroomRepository { get; set; }
        public ClassroomReserveRepository ClassroomReserveRepository { get; set; }
        public CollegeClassroomRepository CollegeClassroomRepository { get; set; }
        public CampusRepository CampusRepository { get; set; }
        public CollegeRepository CollegeRepository { get; set; }

        /// <summary>
        /// 查询对应的建筑信息View(统计对应的教室数量)
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<BuildingsInfoView> GetBuildingsInfoViewQueryable(Expression<Func<CF_BuildingsInfo, bool>> exp)
        {
            var query = from a in BuildingsInfoRepository.GetList(exp)
                        join cr in
                            (
                                from cr in ClassroomRepository.Entities
                                group cr by cr.BuildingsInfoID into gcr
                                select new
                                {
                                    BuildingsInfoID = gcr.Key,
                                    ClassroomCount = gcr.Count()
                                }
                            )
                        on a.BuildingsInfoID equals cr.BuildingsInfoID into tempcr
                        from bicr in tempcr.DefaultIfEmpty()
                        select new BuildingsInfoView
                        {
                            BuildingsInfoID = a.BuildingsInfoID,
                            Code = a.Code,
                            Name = a.Name,
                            CampusID = a.CF_Campus.CampusID,
                            CampusCode = a.CF_Campus.No,
                            CampusName = a.CF_Campus.Name,
                            CollegeID = a.CF_College.CollegeID,
                            CollegeCode = a.CF_College.No,
                            CollegeName = a.CF_College.Name,
                            CollegeCampusID = a.CF_College.CampusID,
                            CollegeCampusCode = a.CF_College.CF_Campus.No,
                            CollegeCampusName = a.CF_College.CF_Campus.Name,
                            BuildingsTypeID = a.BuildingsTypeID,
                            BuildingsStatusID = a.BuildingsStatusID,
                            BuildingsLevel = a.BuildingsLevel,
                            BuildingsArea = a.BuildingsArea,
                            UseArea = a.UseArea,
                            Position = a.Position,
                            IsSpecial = a.IsSpecial ?? false,
                            ClassroomCount = bicr.ClassroomCount == null ? 0 : bicr.ClassroomCount,
                            Remark = a.Remark,
                            RecordStatus = a.RecordStatus,
                            CreateUserID = a.CreateUserID,
                            CreateTime = a.CreateTime,
                            ModifyUserID = a.ModifyUserID,
                            ModifyTime = a.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询教室信息View（根据建筑信息查询，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="expBuildingsInfo"></param>
        /// <returns></returns>
        public IQueryable<ClassroomView> GetClassroomViewQueryable(Expression<Func<CF_BuildingsInfo, bool>> expBuildingsInfo)
        {
            var query = from bi in BuildingsInfoRepository.GetList(expBuildingsInfo)
                        join cr in ClassroomRepository.Entities
                        on bi.BuildingsInfoID equals cr.BuildingsInfoID
                        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 = bi.BuildingsInfoID,
                            BuildingsInfoCode = bi.Code,
                            BuildingsInfoName = bi.Name,
                            CampusID = bi.CampusID,
                            CampusCode = bi.CF_Campus.No,
                            CampusName = bi.CF_Campus.Name,
                            CollegeID = cr.CollegeID,
                            CollegeCode = cr.CF_College.No,
                            CollegeName = cr.CF_College.Name,
                            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;
        }

    }
}