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

namespace EMIS.DataLogic.SchedulingManage.SchedulingSettings
{
    public class ClassroomReserveDAL
    {
        public ClassroomReserveRepository ClassroomReserveRepository { get; set; }
        public ClassroomRepository ClassroomRepository { get; set; }
        public CollegeClassroomRepository CollegeClassroomRepository { get; set; }
        public UserRepository UserRepository { get; set; }
        public DictionaryItemRepository DictionaryItemRepository { get; set; }

        /// <summary>
        /// 查询教室预留信息ClassroomReserveView(根据教室预留信息、统计排课分配院系个数)
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<ClassroomReserveView> GetClassroomReserveViewQueryable(Expression<Func<ES_ClassroomReserve, bool>> exp)
        {
            var query = from re in ClassroomReserveRepository.GetList(exp)
                        join cr in ClassroomRepository.Entities
                        on re.ClassroomID equals cr.ClassroomID
                        join cc in
                            (
                                from cc in CollegeClassroomRepository.Entities
                                group cc by cc.ClassroomID into gcr
                                select new
                                {
                                    ClassroomID = gcr.Key,
                                    ScheduleCollegeCount = gcr.Count()
                                }
                            )
                        on re.ClassroomID equals cc.ClassroomID into tempcc
                        from colcr in tempcc.DefaultIfEmpty()
                        join cus in UserRepository.Entities
                        on re.CreateUserID equals cus.UserID into tempcus
                        from recus in tempcus.DefaultIfEmpty()
                        select new ClassroomReserveView
                        {
                            ClassroomReserveID = re.ClassroomReserveID,
                            ClassroomID = cr.ClassroomID,
                            ClassroomCode = cr.Code,
                            ClassroomName = cr.Name,
                            BuildingsInfoID = cr.BuildingsInfoID,
                            BuildingsInfoCode = cr.CF_BuildingsInfo.Code,
                            BuildingsInfoName = cr.CF_BuildingsInfo.Name,
                            CampusID = cr.CF_BuildingsInfo.CampusID,
                            CampusNo = 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(),
                            RoomUseID = cr.RoomUseID,
                            Totalseating = cr.Totalseating,
                            Effectiveseating = cr.Effectiveseating,
                            IsConcurrentUse = cr.IsConcurrentUse ?? false,
                            IsReserve = re.IsReserved == true ? true : false,
                            IsAvailable = cr.IsAvailable ?? false,
                            ScheduleCollegeCount = colcr.ScheduleCollegeCount == null ? 0 : colcr.ScheduleCollegeCount,
                            RecordStatus = re.RecordStatus,
                            CreateUserID = re.CreateUserID,
                            CreateUserName = recus.Name,
                            CreateTime = re.CreateTime,
                            ModifyUserID = re.ModifyUserID,
                            ModifyTime = re.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询未预留的教室信息ClassroomView
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<ClassroomView> GetClassroomViewNoReserveQueryable(Expression<Func<CF_Classroom, bool>> exp)
        {
            var query = from cr in ClassroomRepository.GetList(exp)
                        join re in ClassroomReserveRepository.Entities
                        on cr.ClassroomID equals re.ClassroomID into tempre
                        from crre in tempre.DefaultIfEmpty()
                        where crre.ClassroomReserveID == null
                        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,
                            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>
        /// 查询教室类型信息ClassroomTypeView
        /// </summary>
        /// <returns></returns>
        public IQueryable<ClassroomTypeView> GetClassroomTypeViewQueryable()
        {
            var query = from cr in ClassroomRepository.Entities
                        from crct in cr.CF_ClassroomType
                        join dicct in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(EMIS.ViewModel.CF_ClassroomType).Name)
                        on crct.ClassroomType equals dicct.Value
                        select new ClassroomTypeView
                        {
                            ClassroomTypeID = crct.ClassroomTypeID,
                            ClassroomID = cr.ClassroomID,
                            ClassroomType = crct.ClassroomType,
                            ClassroomTypeName = dicct.Name
                        };

            return query;
        }

        /// <summary>
        /// 查询教室类型信息ClassroomTypeView（根据教室信息）
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<ClassroomTypeView> GetClassroomTypeViewQueryable(Expression<Func<CF_Classroom, bool>> exp)
        {
            var query = from cr in ClassroomRepository.GetList(exp)
                        from crct in cr.CF_ClassroomType
                        join dicct in DictionaryItemRepository.GetList(x => x.DictionaryCode == typeof(EMIS.ViewModel.CF_ClassroomType).Name)
                        on crct.ClassroomType equals dicct.Value
                        select new ClassroomTypeView
                        {
                            ClassroomTypeID = crct.ClassroomTypeID,
                            ClassroomID = cr.ClassroomID,
                            ClassroomType = crct.ClassroomType,
                            ClassroomTypeName = dicct.Name
                        };

            return query;
        }

    }
}