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 StockInDetailDAL
    {
        public TeachersOrderRepository TeachersOrderRepository { get; set; }
        public StockInRepository StockInRepository { get; set; }
        public StockInDetailRepository StockInDetailRepository { get; set; }
        public SchoolyearRepository SchoolyearRepository { get; set; }
        public UserRepository UserRepository { get; set; }
        public TeachingMaterialPoolRepository TeachingMaterialPoolRepository { get; set; }
        public CoursematerialRepository CoursematerialRepository { get; set; }
        public PublishRepository PublishRepository { get; set; }
        public CollegeRepository CollegeRepository { get; set; }
        public DictionaryItemRepository DictionaryItemRepository { get; set; }


        public IQueryable<StockInView> GetStockInDetailGridView(Expression<Func<ET_StockIn, bool>> exporder)
        {
            var viewList = (from a in StockInRepository.Entities.Where(exporder)
                            join b in SchoolyearRepository.Entities on a.SchoolyearID equals b.SchoolyearID
                            join c in UserRepository.Entities on a.HandlerUserID equals c.UserID
                            into cdata
                            from ctb in cdata.DefaultIfEmpty()
                            join f in UserRepository.Entities on a.CreateUserID equals f.UserID
                             into fdata
                            from ftb in fdata.DefaultIfEmpty()
                            join d in PublishRepository.Entities on a.SupplierID equals d.PublishID
                              into ddata
                            from dtb in ddata.DefaultIfEmpty()
                            from e in a.ET_StockInDetail
                            join t in TeachingMaterialPoolRepository.Entities on e.CF_TeachingMaterialPool.TeachingMaterialPoolID
                            equals t.TeachingMaterialPoolID
                            select new StockInView
                            {
                                StockInDocumentNo = a.StockInDocumentNo,
                                StockInNumber = a.StockInNumber,
                                SchoolyearName = b.Code,
                                SchoolyearID = a.SchoolyearID,
                                SupplierID = a.SupplierID,
                                TeachingMaterialCode = t.TeachingMaterialCode,
                                TeachingMaterialName = t.TeachingMaterialName,
                                PublishName = dtb.UnitName,
                                SupplierName = dtb.UnitName,
                                HandlerUserName = ctb.Name,
                                PublishTime = t.PublishTime,
                                StockInUserName = ftb.Name,
                                StockInTime = a.StockInTime,
                                Author = t.Author,
                                Quantity = e.Quantity == null ? 0 : e.Quantity,
                                Price = t.Price,
                                Discount = e.Discount == null ? 0 : e.Discount,
                                DiscountPrice = (e.Discount * t.Price) == null ? 0 : (e.Discount * t.Price),
                                TotalPrice = t.Price * e.Quantity,
                                TotalDollar = (e.Discount * t.Price) * e.Quantity == null ? 0 : (e.Discount * t.Price) * e.Quantity,
                            });
            return viewList;
        }

        #region 2.0 删除明细
        public void Delete(List<Guid> stockInDetailIDs)
        {
            try
            {
                if (stockInDetailIDs.Count > 0)
                {
                    foreach (var stockInDetailID in stockInDetailIDs)
                    {
                        StockInDetailRepository.UnitOfWork.Delete<ET_StockInDetail>(x => x.StockInDetailID == stockInDetailID);
                    }
                }

            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 3.0 入库统计信息
        public IQueryable<StockInView> GetStockInStatisticsGridView(Expression<Func<ET_StockIn, bool>> exporder)
        {
            var viewList = (from a in StockInRepository.Entities.Where(exporder)
                            join b in SchoolyearRepository.Entities on a.SchoolyearID equals b.SchoolyearID
                            join c in UserRepository.Entities on a.HandlerUserID equals c.UserID
                            join f in UserRepository.Entities on a.CreateUserID equals f.UserID
                            join e in StockInDetailRepository.Entities on a.StockInID equals e.StockInID
                            join t in TeachingMaterialPoolRepository.Entities on e.TeachingMaterialPoolID equals t.TeachingMaterialPoolID
                            join d in PublishRepository.Entities on t.PublishID equals d.PublishID
                            join s in PublishRepository.Entities on a.SupplierID equals s.PublishID
                            into g
                            from x in g.DefaultIfEmpty()//自动生成入库没有供应商信息
                            group new { a, b, t, e, d } by
                            new
                            {
                                e.Discount,
                                e.DiscountPrice,
                                a.StockInType,
                                a.SchoolyearID,
                                a.SupplierID,
                                SupplierName=x.UnitName,
                                b.Code,
                                d.UnitName,
                                t.PublishTime,
                                t.TeachingMaterialTypeID,
                                t.ISBN,
                                t.Author,
                                t.TeachingMaterialCode,
                                t.TeachingMaterialName,
                                t.TeachingMaterialPoolID,
                                t.Price,
                                t.PublishID
                            } into h
                            select new StockInView
                            {
                                SchoolyearName = h.Key.Code,
                                SchoolyearID = h.Key.SchoolyearID,
                                SupplierID = h.Key.PublishID,
                                TeachingMaterialCode = h.Key.TeachingMaterialCode,
                                TeachingMaterialName = h.Key.TeachingMaterialName,
                                PublishName = h.Key.UnitName,
                                SupplierName = h.Key.SupplierName,
                                TeachingMaterialTypeID = h.Key.TeachingMaterialTypeID,
                                PublishTime = h.Key.PublishTime,
                                ISBN = h.Key.ISBN,
                                TeachingMaterialPoolID = h.Key.TeachingMaterialPoolID,
                                Author = h.Key.Author,
                                Quantity = h.Sum(x => x.e.Quantity),
                                Price = Math.Round((decimal)h.Key.Price,2),
                                Discount = h.Key.Discount == null ? 0 : h.Key.Discount,
                                DiscountPrice = h.Key.DiscountPrice == null ? 0 : h.Key.DiscountPrice,
                                TotalPrice = (h.Key.Price * h.Sum(x => x.e.Quantity)),
                                TotalDollar = h.Key.DiscountPrice * h.Sum(x => x.e.Quantity) == null ? 0 : (h.Key.DiscountPrice * h.Sum(x => x.e.Quantity))
                            });
            return viewList;
        }
        #endregion


    }
}