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

namespace EMIS.DataLogic.UniversityManage.AdministrativeOrgan
{
    public class DepartmentDAL
    {
        public DepartmentRepository DepartmentRepository { get; set; }
        public DepartmentProfileRepository DepartmentProfileRepository { get; set; }
        public CollegeRepository CollegeRepository { get; set; }
        public CampusRepository CampusRepository { get; set; }
        public UniversityRepository UniversityRepository { get; set; }
        public StaffRepository StaffRepository { get; set; }
        public StaffProfileRepository StaffProfileRepository { get; set; }
        public UserRepository UserRepository { get; set; }

        /// <summary>
        /// 查询对应的部门信息View
        /// </summary>
        /// <param name="expDepartment"></param>
        /// <returns></returns>
        public IQueryable<DepartmentView> GetDepartmentViewQueryable(Expression<Func<CF_Department, bool>> expDepartment)
        {
            var query = from dep in DepartmentRepository.GetList(expDepartment)
                        join c in UserRepository.Entities
                        on dep.CF_DepartmentProfile.DirectorID equals c.UserID into gu
                        from guic in gu.DefaultIfEmpty()
                        join d in UserRepository.Entities
                        on dep.CF_DepartmentProfile.DeputyDirectorID equals d.UserID into gude
                        from gudeic in gude.DefaultIfEmpty()
                        join sta in
                            (
                                from sta in StaffRepository.Entities
                                group sta by sta.DepartmentID into stagr
                                select new
                                {
                                    DepartmentID = stagr.Key,
                                    StaffCount = stagr.Count()
                                }
                            )
                        on dep.DepartmentID equals sta.DepartmentID into tempsta
                        from stadep in tempsta.DefaultIfEmpty()
                        select new DepartmentView
                        {
                            DepartmentID = dep.DepartmentID,
                            No = dep.No,
                            Name = dep.Name,
                            SimpleName = dep.SimpleName,
                            EnglishName = dep.EnglishName,
                            CampusID = dep.CF_College.CampusID,
                            CampusNo = dep.CF_College.CF_Campus.No,
                            CampusName = dep.CF_College.CF_Campus.Name,
                            CollegeID = dep.CollegeID,
                            CollegeCode = dep.CF_College.No,
                            CollegeName = dep.CF_College.Name,
                            HierarchyID = dep.HierarchyID,
                            DirectorID = dep.CF_DepartmentProfile.DirectorID,
                            DirectorName = guic.Name,
                            DeputyDirectorID = dep.CF_DepartmentProfile.DeputyDirectorID,
                            DeputyDirectorName = gudeic.Name,
                            FoundDate = dep.CF_DepartmentProfile.FoundDate,
                            StaffCount = stadep.StaffCount == null ? 0 : stadep.StaffCount,
                            Remark = dep.Remark,
                            RecordStatus = dep.RecordStatus,
                            CreateUserID = dep.CreateUserID,
                            CreateTime = dep.CreateTime,
                            ModifyUserID = dep.ModifyUserID,
                            ModifyTime = dep.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询教研室对应的教师信息StaffView
        /// </summary>
        /// <param name="expDepartment"></param>
        /// <returns></returns>
        public IQueryable<StaffView> GetStaffViewQueryable(Expression<Func<CF_Department, bool>> expDepartment)
        {
            var query = from dep in DepartmentRepository.GetList(expDepartment)
                        join sf in StaffRepository.Entities
                        on dep.DepartmentID equals sf.DepartmentID
                        join pr in StaffProfileRepository.Entities
                        on sf.UserID equals pr.UserID into temppr
                        from sfpr in temppr.DefaultIfEmpty()
                        join col in CollegeRepository.Entities
                        on sf.CollegeID equals col.CollegeID into tempcol
                        from sfcol in tempcol.DefaultIfEmpty()
                        join us in UserRepository.Entities
                        on sf.UserID equals us.UserID
                        select new StaffView
                        {
                            UserID = sf.UserID,
                            StaffCode = us.LoginID,
                            Name = us.Name,
                            UsedName = sfpr.UsedName,
                            CampusID = sfcol.CampusID,
                            CampusCode = sfcol.CF_Campus.No,
                            CampusName = sfcol.CF_Campus.Name,
                            CollegeID = sf.CollegeID,
                            CollegeNo = sfcol.No,
                            CollegeName = sfcol.Name,
                            DepartmentID = sf.DepartmentID,
                            DepartmentCode = dep.No,
                            DepartmentName = dep.Name,
                            Nationality = sfpr.Nationality,
                            Place = sfpr.Place,
                            SexID = sf.SexID,
                            BirthDate = sf.BirthDate,
                            NationID = sf.NationID,
                            PoliticsID = sf.PoliticsID,
                            CertificatesType = sf.CertificatesType,
                            CertificatesNum = sf.CertificatesNum,
                            TeacherTypeID = sf.TeacherTypeID,
                            IncumbencyState = sf.IncumbencyState,
                            SituationID = sf.SituationID,
                            TitleID = sf.TitleID,
                            LiteracyLevelID = sf.LiteracyLevelID,
                            LearnPositionID = sf.LearnPositionID,
                            IsDualTeacher = sf.IsDualTeacher ?? false,
                            PaymentLevelID = sf.PaymentLevelID,
                            WorkDate = sf.WorkDate,
                            ComeSchoolDate = sf.ComeSchoolDate,
                            Email = sfpr.Email,
                            ZIPCode = sfpr.ZIPCode,
                            WeChatNum = sfpr.WeChatNum,
                            QQ = sfpr.QQ,
                            Telephone = sfpr.Telephone,
                            OfficeTelephone = sfpr.OfficeTelephone,
                            HousePhone = sfpr.HousePhone,
                            Mobile = sfpr.Mobile,
                            Speciality = sfpr.Speciality,
                            HealthStateID = sfpr.HealthStateID,
                            ReligionID = sfpr.ReligionID,
                            Account = sfpr.Account,
                            Residence = sfpr.Residence,
                            HomeAddress = sfpr.HomeAddress,
                            Address = sfpr.Address,
                            NowAddress = sfpr.NowAddress,
                            PhotoUrl = sf.PhotoUrl,
                            PhotoHasValue = (sf.PhotoUrl == null || sf.PhotoUrl == "") ? false : true,
                            Profile = sf.Profile,
                            Remark = sf.Remark,
                            RecordStatus = sf.RecordStatus,
                            CreateUserID = sf.CreateUserID,
                            CreateTime = sf.CreateTime,
                            ModifyUserID = sf.ModifyUserID,
                            ModifyTime = sf.ModifyTime
                        };

            return query;
        }

    }
}