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

namespace EMIS.DataLogic.Common.TeachingMaterial
{
    public class TeachersOrderDAL
    {
        public TeachersOrderRepository TeachersOrderRepository { get; set; }
        public TeachersPreOrderRepository TeachersPreOrderRepository { get; set; }
        public TeachingMaterialPoolRepository TeachingMaterialPoolRepository { get; set; }
        public TeachersConfirmOrderRepository TeachersConfirmOrderRepository { get; set; }


        public UserRepository UserRepository { get; set; }
        public CoursematerialRepository CoursematerialRepository { get; set; }
        public PublishRepository PublishRepository { get; set; }
        public SchoolyearRepository SchoolyearRepository { get; set; }
        public CollegeRepository CollegeRepository { get; set; }
        public DictionaryItemRepository DictionaryItemRepository { get; set; }

        /// <summary>
        /// 获取征订信息列表
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<TeachersOrderView> GetTeachingOrderGridView(Expression<Func<ET_TeachersOrder, bool>> exporder)
        {
            var view = (from to in TeachersOrderRepository.Entities.Where(exporder)
                        join tm in TeachingMaterialPoolRepository.Entities on to.TeachingMaterialPoolID equals tm.TeachingMaterialPoolID
                        join u in UserRepository.Entities on to.OrderUserID equals u.UserID
                        join p in PublishRepository.Entities on tm.PublishID equals (Guid)p.PublishID
                        join sl in SchoolyearRepository.Entities on to.SchoolyearID equals sl.SchoolyearID
                        join cr in CollegeRepository.Entities on to.CollegeID equals cr.CollegeID

                        select new TeachersOrderView
                        {
                            SchoolyearID = sl.SchoolyearID,
                            SchoolyearName = sl.Code,
                            TeachingMaterialCode = tm.TeachingMaterialCode,
                            Author = tm.Author,
                            CollegeID = cr.CollegeID,
                            CollegeName = cr.Name,
                            TeachingMaterialName = tm.TeachingMaterialName,
                            TeachingMaterialTypeID = tm.TeachingMaterialTypeID,
                            PublishTime = tm.PublishTime,
                            TeachersOrderID = to.TeachersOrderID,
                            TeachingMaterialPoolID = tm.TeachingMaterialPoolID,
                            PublishName = p.UnitName,
                            OrderLoginID = u.LoginID,
                            OrderUserName = u.Name,
                            OrderDate = to.OrderDate,
                            OrderQty = to.OrderQty,
                            OrderDesc = to.OrderDesc,
                            ApproveStatus = (int)to.ApprovalStatus,
                            CoursematerialEntityList = tm.EM_Coursematerial,
                            PublishID = p.PublishID,
                            CreateTime = to.CreateTime,
                            CreateUserID = to.CreateUserID,
                            ISBN = tm.ISBN,
                            Price = tm.Price
                        });
            return view;
        }

        /// <summary>
        /// 获取教材及征订信息列表
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<TeachingMaterialPoolView> GetTeachingOrderByTeachingMaterialPoolGridView(Guid? teachersOrderID, Expression<Func<CF_TeachingMaterialPool, bool>> teachingMaterialPoolExp)
        {
            var view = (from to in TeachersOrderRepository.Entities.Where(x => x.TeachersOrderID == teachersOrderID)
                        join tm in TeachingMaterialPoolRepository.GetList(teachingMaterialPoolExp) on to.TeachingMaterialPoolID equals tm.TeachingMaterialPoolID
                        join u in UserRepository.Entities on to.OrderUserID equals u.UserID
                        join p in PublishRepository.Entities on tm.PublishID equals (Guid)p.PublishID
                        join sl in SchoolyearRepository.Entities on to.SchoolyearID equals sl.SchoolyearID
                        join cr in CollegeRepository.Entities on to.CollegeID equals cr.CollegeID

                        //join ct in DictionaryItemRepository.Entities on c.CourseScienceID equals ct.Value
                        //join cl in DictionaryItemRepository.Entities on c.CourseLevelID equals cl.Value
                        //join s in DictionaryItemRepository.Entities on to.ApprovalStatus equals s.Value
                        select new TeachingMaterialPoolView
                        {
                            TeachingMaterialPoolID = tm.TeachingMaterialPoolID,
                            TeachingMaterialCode = tm.TeachingMaterialCode,
                            TeachingMaterialName = tm.TeachingMaterialName,
                            TeachingMaterialShorName = tm.TeachingMaterialShorName,
                            CoursematerialEntityList = tm.EM_Coursematerial,
                            ISBN = tm.ISBN,
                            PublishTime = tm.PublishTime,
                            PublishName = p.UnitName,
                            Author = tm.Author,
                            Price = tm.Price,
                            OrderQty = to.OrderQty,
                        });
            return view;
        }



        /// <summary>
        /// 获取教师征订视图
        /// </summary>
        /// <returns></returns>
        public TeachersOrderView GetSingleTeachersOrderView(Guid teachersOrderID)
        {
            var teachersOrder = TeachersOrderRepository.GetSingle(x => x.TeachersOrderID == teachersOrderID,
                (x => x.CF_College), (x => x.CF_Schoolyear), (x => x.CF_TeachingMaterialPool),(x=>x.CF_TeachingMaterialPool.EM_Coursematerial));       
            var teachersOrderView = new TeachersOrderView()
            {
                TeachingMaterialCode = teachersOrder.CF_TeachingMaterialPool.TeachingMaterialCode,
                CoursematerialEntityList = teachersOrder.CF_TeachingMaterialPool.EM_Coursematerial,
                TeachingMaterialName = teachersOrder.CF_TeachingMaterialPool.TeachingMaterialName,
                PublishTime = teachersOrder.CF_TeachingMaterialPool.PublishTime,
                PublishID = teachersOrder.CF_TeachingMaterialPool.PublishID,
                Author = teachersOrder.CF_TeachingMaterialPool.Author,
                ISBN = teachersOrder.CF_TeachingMaterialPool.ISBN,
                Price = teachersOrder.CF_TeachingMaterialPool.Price,
                OrderQty = teachersOrder.OrderQty,
                OrderDesc = teachersOrder.OrderDesc,
                SchoolyearID = teachersOrder.SchoolyearID,
                CollegeID = teachersOrder.CollegeID,
                CollegeName = teachersOrder.CF_College.Name,
                SchoolyearName=teachersOrder.CF_Schoolyear.Code,
                ApproveStatus=(int)teachersOrder.ApprovalStatus 
            };
            return teachersOrderView;
        }

        /// <summary>
        /// 获取单个基本信息
        /// </summary>
        /// <returns></returns>
        public TeachersOrderView GetSingleTeachersOrderOneView(Guid teachersOrderID)
        {
            var teachersOrder = TeachersOrderRepository.GetSingle(x => x.TeachersOrderID == teachersOrderID,
                (x => x.CF_College), (x => x.CF_Schoolyear), (x => x.CF_TeachingMaterialPool));
            var teachersOrderView = new TeachersOrderView()
            {
                TeachingMaterialCode = teachersOrder.CF_TeachingMaterialPool.TeachingMaterialCode,
                CoursematerialEntityList = teachersOrder.CF_TeachingMaterialPool.EM_Coursematerial,
                TeachingMaterialName = teachersOrder.CF_TeachingMaterialPool.TeachingMaterialName,
                PublishTime = teachersOrder.CF_TeachingMaterialPool.PublishTime,
                PublishID = teachersOrder.CF_TeachingMaterialPool.PublishID,
                Author = teachersOrder.CF_TeachingMaterialPool.Author,
                ISBN = teachersOrder.CF_TeachingMaterialPool.ISBN,
                Price = teachersOrder.CF_TeachingMaterialPool.Price,
                OrderQty = teachersOrder.OrderQty
            };
            return teachersOrderView;
        }

        /// <summary>
        /// 获取单个教师征订记录
        /// </summary>
        /// <param name="teachersOrderID"></param>
        /// <returns></returns>
        public ET_TeachersOrder GetSingleTeachersOrder(Guid teachersOrderID)
        {
            return TeachersOrderRepository.GetSingle(x => x.TeachersOrderID == teachersOrderID);
        }

        /// <summary>
        /// 获取单个教师征订View
        /// </summary>
        /// <param name="teachersOrderID"></param>
        /// <returns></returns>
        public TeachersOrderView GetSingleTeachersOrderById(Guid teachersOrderID)
        {
            var teachersOrder = TeachersOrderRepository.GetSingle(x => x.TeachersOrderID == teachersOrderID);
            var teachersOrderView = new TeachersOrderView()
            {
                OrderQty = teachersOrder.OrderQty,
                TeachersOrderID = teachersOrder.TeachersOrderID,
                CollegeID = teachersOrder.CollegeID,
                CreateTime = teachersOrder.CreateTime,
                CreateUserID = teachersOrder.CreateUserID,
                OrderDate = teachersOrder.OrderDate,
                OrderDesc = teachersOrder.OrderDesc,
                OrderUserID = teachersOrder.OrderUserID,
                TeachingMaterialPoolID = teachersOrder.TeachingMaterialPoolID,
                SchoolyearID = teachersOrder.SchoolyearID
            };
            return teachersOrderView;
        }


        #region 复制征订数据到征订清单表(废弃)
        ///// <summary>
        ///// 复制征订数据到征订清单表
        ///// </summary>
        ///// <param name="teachersOrderIDs"></param>
        //public void CopyTeachersOrderInTeachersConfirmOrder(Guid teachersOrderID)
        //{
        //    try
        //    {
        //        if (teachersOrderID != null && teachersOrderID != Guid.Empty)
        //        {

        //            ET_TeachersOrder teachersOrder = TeachersOrderRepository.GetSingle(x => x.TeachersOrderID == teachersOrderID && x.ApprovalStatus == (int)CF_TeachersOrderStatus.Completed);
        //            if (teachersOrder != null)
        //            {
        //                ET_TeachersConfirmOrder teachersConfirmOrder = new ET_TeachersConfirmOrder
        //                {
        //                    PreAddedValue = 5,//设置预加值、
        //                    TeachersOrderID = teachersOrder.TeachersOrderID,
        //                    CollegeID = teachersOrder.CollegeID,
        //                    CreateTime = DateTime.Now,
        //                    CreateUserID = teachersOrder.CreateUserID,
        //                    Desc = teachersOrder.Desc,
        //                    ModifyTime = DateTime.Now,
        //                    ModifyUserID = teachersOrder.ModifyUserID,
        //                    OrderDate = teachersOrder.OrderDate,
        //                    OrderDesc = teachersOrder.OrderDesc,
        //                    OrderQty = teachersOrder.OrderQty,
        //                    OrderUserID = teachersOrder.OrderUserID,
        //                    SchoolyearID = teachersOrder.SchoolyearID,
        //                    TeachingMaterialPoolID = teachersOrder.TeachingMaterialPoolID
        //                };
        //                TeachersConfirmOrderRepository.UnitOfWork.Add(teachersConfirmOrder);
        //                TeachersConfirmOrderRepository.UnitOfWork.Commit();
        //            }
        //        }
        //    }
        //    catch (Exception ex)
        //    {
        //        throw ex;
        //    }
        //} 
        #endregion

        /// <summary>
        /// 获取教材总库信息列表、排除在教师征订表已存在的教材
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<TeachingMaterialPoolView> GetTeachersOrderByTeachingMaterial(Expression<Func<CF_TeachingMaterialPool, bool>> exp)
        {
            //教材所有信息以教材总库表为准 其他都左联 --- 兵良提出
            var view = (from l in TeachingMaterialPoolRepository.Entities.Where(exp)
                        //关联字典导致数据重复
                        //join d in DictionaryItemRepository.Entities on l.TeachingMaterialTypeID equals d.Value
                        // into td
                        //from ctd in td.DefaultIfEmpty()
                        join u in UserRepository.Entities on l.CreateUserID equals u.UserID
                        into user
                        from uu in user.DefaultIfEmpty()
                        join p in PublishRepository.Entities on l.PublishID equals p.PublishID
                        into pp
                        from ppp in pp.DefaultIfEmpty()
                       // join g in TeachersOrderRepository.Entities on  l.TeachingMaterialPoolID equals  g.TeachingMaterialPoolID
                       // into teachingMaterialPool
                      //  from gteachingMaterialPool in teachingMaterialPool.DefaultIfEmpty()
                       // where gteachingMaterialPool.TeachingMaterialPoolID ==null //在征订表不存在记录
                        select new TeachingMaterialPoolView
                        {
                            Author = l.Author,
                            ISBN = l.ISBN,
                            CoursematerialEntityList = l.EM_Coursematerial,
                            Price = l.Price,
                            TeachingMaterialCode = l.TeachingMaterialCode,
                            TeachingMaterialName = l.TeachingMaterialName,
                            TeachingMaterialShorName = l.TeachingMaterialShorName,
                            TeachingMaterialPoolID = l.TeachingMaterialPoolID,
                            TeachingMaterialTypeID = l.TeachingMaterialTypeID,
                            //TeachingMaterialTypeName = ctd.Name,
                            PublishID = l.PublishID,
                            PublishName = ppp.UnitName,
                            PublishTime = l.PublishTime,
                            CreateTime = l.CreateTime,
                            CreateUserName = uu.Name,
                            Desc = l.Desc,
                            IsLate = l.IsLate.Value,
                            ModifyTime = l.ModifyTime,
                            IsLateName = l.IsLate == true ? "是" : "否",
                            OrderQty = 1
                        });
            return view;
        }

        public IQueryable<ET_TeachersPreOrder> GetPreOrderByTeachersOrderIDList(List<Guid> teacherOrderIDList)
        {
            var query = (from tpo in TeachersPreOrderRepository.Entities 
                         join to in TeachersOrderRepository.GetList(x => teacherOrderIDList.Contains(x.TeachersOrderID)) 
                             on new { tpo.SchoolyearID, tpo.TeachingMaterialPoolID } 
                             equals new { to.SchoolyearID, to.TeachingMaterialPoolID } 
                         select tpo);

            return query;
        }
    }
}