using BBWYB.Common.Log;
using BBWYB.Common.Models;
using BBWYB.Server.Model;
using BBWYB.Server.Model.Db;
using BBWYB.Server.Model.Dto;
using FreeSql;
using Yitter.IdGenerator;

namespace BBWYB.Server.Business
{
    public class PurchaserBusiness : BaseBusiness, IDenpendency
    {
        private FreeSqlMultiDBManager _freeSqlMultiDBManager;

        public PurchaserBusiness(IFreeSql fsql, NLogManager nLogManager, IIdGenerator idGenerator, FreeSqlMultiDBManager freeSqlMultiDBManager) : base(fsql, nLogManager, idGenerator)
        {
            this._freeSqlMultiDBManager = freeSqlMultiDBManager;
        }

        public ListResponse<string> QueryPurchaserNameList(string keywords)
        {
            if (string.IsNullOrEmpty(keywords))
                throw new BusinessException("关键字不能为空");
            var list = fsql.Select<Purchaser>().Where(p => p.Name.Contains(keywords)).Distinct().ToList(x => x.Name);
            return new ListResponse<string> { Items = list, TotalCount = list.Count() };
        }

        public ListResponse<string> QueryPurchaserLocationList(string keywords)
        {
            if (string.IsNullOrEmpty(keywords))
                throw new BusinessException("关键字不能为空");
            var list = fsql.Select<Purchaser>().Where(p => p.Location.Contains(keywords)).Distinct().ToList(x => x.Location);
            return new ListResponse<string> { Items = list, TotalCount = list.Count() };
        }

        public ListResponse<PurchaserResponse> QueryPurchaserList(QueryPurchaserRequest request)
        {
            //默认ShopId为空
            request.ShopId = null;

            #region 数据验证
            if (request.RecentDayCondition != null)  // && request.RecentDayCondition.RecentDay > 0
            {
                if (request.RecentDayCondition.PurchasedCountComparisonOperator != null)
                {
                    if (request.RecentDayCondition.PurchasedCount == null || (request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.介于 &&
                                                                              request.RecentDayCondition.PurchasedCount2 == null))
                        throw new BusinessException("采购量条件不完整");
                }

                if (request.RecentDayCondition.PurchasedAmountComparisonOperator != null)
                {
                    if (request.RecentDayCondition.PurchasedAmount == null || (request.RecentDayCondition.PurchasedAmountComparisonOperator == Enums.ComparisonOperator.介于 &&
                                                                               request.RecentDayCondition.PurchasedAmount2 == null))
                        throw new BusinessException("采购金额条件不完整");
                }
            }
            #endregion

            if (request.PageSize > 20)
                request.PageSize = 20;

            var select = fsql.Select<Purchaser>()
                             .WhereIf(!string.IsNullOrEmpty(request.Spu), p => fsql.Select<PurchaseSchemeProduct>()
                                                                                   .Where(psp1 => psp1.PurchaserId == p.Id &&
                                                                                                  psp1.ProductId == request.Spu)
                                                                                   .Any())
                             .WhereIf(!string.IsNullOrEmpty(request.Sku), p => fsql.Select<PurchaseSchemeProduct>()
                                                                                   .Where(psp2 => psp2.PurchaserId == p.Id &&
                                                                                                  psp2.SkuId == request.Sku)
                                                                                   .Any())
                             .WhereIf(request.PurchaserNameList != null &&
                                      request.PurchaserNameList.Count() > 0, p => request.PurchaserNameList.Contains(p.Name))
                             .WhereIf(request.CategoryIdList != null &&
                                      request.CategoryIdList.Count() > 0, p => fsql.Select<Purchaser_ExtendedInfo_Relation>()
                                                                                   .Where(per => per.PurchaserId == p.Id &&
                                                                                                 request.CategoryIdList.Contains(per.ExtendedInfoId.Value)).Any())
                             .WhereIf(request.LocationList != null && request.LocationList.Count() > 0, p => request.LocationList.Contains(p.Location))
                             .WhereIf(request.ManagmentMode != null, p => p.ManagmentMode == request.ManagmentMode);

            if (request.RecentDayCondition != null) // && request.RecentDayCondition.RecentDay > 0
            {
                //var recentStartDay = DateTime.Now.Date.AddDays(request.RecentDayCondition.RecentDay.Value * -1);
                if (request.RecentDayCondition.PurchasedCountComparisonOperator != null &&
                    request.RecentDayCondition.PurchasedCount != null &&
                    request.RecentDayCondition.PurchasedCount != 0)
                {
                    select = select.WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.等于,
                                           p => p.Recent90dPurchasedCount != null && p.Recent90dPurchasedCount == request.RecentDayCondition.PurchasedCount)
                                   .WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.小于,
                                           p => p.Recent90dPurchasedCount != null && p.Recent90dPurchasedCount <= request.RecentDayCondition.PurchasedCount)
                                   .WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.大于,
                                           p => p.Recent90dPurchasedCount != null && p.Recent90dPurchasedCount >= request.RecentDayCondition.PurchasedCount)
                                   .WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.介于,
                                           p => p.Recent90dPurchasedCount != null && p.Recent90dPurchasedCount >= request.RecentDayCondition.PurchasedCount &&
                                                p.Recent90dPurchasedCount <= request.RecentDayCondition.PurchasedCount2);
                }
                if (request.RecentDayCondition.PurchasedAmountComparisonOperator != null &&
                    request.RecentDayCondition.PurchasedAmount != null &&
                    request.RecentDayCondition.PurchasedAmount != 0)
                {
                    select = select.WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.等于,
                                           p => p.Recent90dPurchasedAmount != null && p.Recent90dPurchasedAmount == request.RecentDayCondition.PurchasedAmount)
                                   .WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.小于,
                                           p => p.Recent90dPurchasedAmount != null && p.Recent90dPurchasedAmount <= request.RecentDayCondition.PurchasedAmount)
                                   .WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.大于,
                                           p => p.Recent90dPurchasedAmount != null && p.Recent90dPurchasedAmount >= request.RecentDayCondition.PurchasedAmount)
                                   .WhereIf(request.RecentDayCondition.PurchasedCountComparisonOperator == Enums.ComparisonOperator.介于,
                                           p => p.Recent90dPurchasedAmount != null && p.Recent90dPurchasedAmount >= request.RecentDayCondition.PurchasedAmount &&
                                                p.Recent90dPurchasedAmount <= request.RecentDayCondition.PurchasedAmount2);
                }
            }

            select = select.Page(request.PageIndex, request.PageSize)
                           .OrderByPropertyNameIf(!string.IsNullOrEmpty(request.SortColumn), request.SortColumn, request.SortType == 0);
            var sql = select.ToSql();
            var purchaserList = select.Count(out var count).ToList<PurchaserResponse>();
            if (purchaserList.Count() > 0)
            {
                var purchaserIdList = purchaserList.Select(p => p.Id).ToList();

                #region 查询标签/主营类目
                var purchaserExtendInfoList = fsql.Select<PurchaserExtendedInfo, Purchaser_ExtendedInfo_Relation>()
                                                  .InnerJoin((pei, per) => pei.Id == per.ExtendedInfoId)
                                                  .Where((pei, per) => purchaserIdList.Contains(per.PurchaserId))
                                                  .ToList((pei, per) => new
                                                  {
                                                      pei.Id,
                                                      pei.Name,
                                                      pei.Type,
                                                      per.PurchaserId,
                                                      pei.ExtendInfo
                                                  });
                #endregion

                #region 最近采购的店铺商品
                var recentStartDay = DateTime.Now.Date.AddDays(-90);
                var recentEndDay = DateTime.Now.Date;
                var bePurchasedProductSkuList = fsql.Select<OrderPurchaseInfo, OrderPurchaseRelationInfo, Order, ProductSku>()
                                                    .InnerJoin((opi, opri, o, ps) => opi.OrderId == o.Id)
                                                    .InnerJoin((opi, opri, o, ps) => opri.PurchaseOrderId == opi.PurchaseOrderId)
                                                    .InnerJoin((opi, opri, o, ps) => opri.BelongSkuId == ps.Id)
                                                    .WhereIf(request.ShopId != null && request.ShopId > 0, (opi, opri, o, ps) => o.ShopId == request.ShopId)
                                                    .Where((opi, opri, o, ps) => o.OrderState != Enums.OrderState.已取消 &&
                                                                                 opi.IsEnabled == true &&
                                                                                 opi.CreateTime >= recentStartDay &&
                                                                                 opi.CreateTime < recentEndDay &&
                                                                                 purchaserIdList.Contains(opi.PurchaserId))
                                                    .GroupBy((opi, opri, o, ps) => new
                                                    {
                                                        ps.Id,
                                                        opi.PurchaserId,
                                                        ps.Logo,
                                                        ps.SkuName,
                                                        opri.SourceSkuId
                                                    })
                                                    .ToList(g => new
                                                    {
                                                        g.Key.Id,
                                                        g.Key.PurchaserId,
                                                        g.Key.Logo,
                                                        g.Key.SkuName,
                                                        g.Key.SourceSkuId,
                                                        MaxPurchasedTime = g.Max(g.Value.Item1.CreateTime)
                                                    });
                var belongSkuIdList = bePurchasedProductSkuList.Select(x => x.SourceSkuId).Distinct().ToList();
                var belongSkuList = _freeSqlMultiDBManager.BBWYCfsql.Select<BBWYB.Server.Model.Db.BBWY.ProductSku>(belongSkuIdList).ToList(ps => new { ps.Id, ps.Logo });


                #endregion

                foreach (var purchaser in purchaserList)
                {
                    #region 主营类目/标签
                    var currentExtendInfoList = purchaserExtendInfoList.Where(x => x.PurchaserId == purchaser.Id).ToList();
                    purchaser.CategoryList = currentExtendInfoList.Where(x => x.Type == Enums.PurchaserBasicInfoType.主营类目)
                                                                  .Select(x => new PurchaserExtendedInfoResponse()
                                                                  {
                                                                      Id = x.Id,
                                                                      Name = x.Name,
                                                                      Type = x.Type,
                                                                      ExtendInfo = x.ExtendInfo
                                                                  }).ToList();

                    purchaser.TagList = currentExtendInfoList.Where(x => x.Type == Enums.PurchaserBasicInfoType.标签)
                                                             .Select(x => new PurchaserExtendedInfoResponse()
                                                             {
                                                                 Id = x.Id,
                                                                 Name = x.Name,
                                                                 Type = x.Type,
                                                                 ExtendInfo = x.ExtendInfo
                                                             }).ToList();
                    #endregion

                    #region 最近采购店铺商品
                    purchaser.Recent30dProductSku = bePurchasedProductSkuList.Where(x => x.PurchaserId == purchaser.Id)
                                                                             .OrderByDescending(x => x.MaxPurchasedTime)
                                                                             .Take(10)
                                                                             .Select(x =>
                    {
                        var belongSku = belongSkuList.FirstOrDefault(b => b.Id == x.SourceSkuId);
                        return new RecentPurchasedSkuResponse()
                        {
                            Id = x.Id,
                            Logo = belongSku?.Logo ?? x.Logo,
                            SkuName = x.SkuName,
                            BelongSku = x.SourceSkuId,
                            MaxPurchasedTime = x.MaxPurchasedTime
                        };
                    }).ToList();
                    #endregion

                }
            }

            return new ListResponse<PurchaserResponse>()
            {
                Items = purchaserList,
                TotalCount = count
            };
        }

        public ListResponse<PurchaserExtendedInfoResponse> QueryPurchaserCategoryList(QueryPurchaserExtendedRequest request)
        {
            var list = fsql.Select<PurchaserExtendedInfo>()
                           .WhereIf(request.Type != null, x => x.Type == request.Type)
                           .WhereIf(!string.IsNullOrEmpty(request.Keywords), x => x.Name.Contains(request.Keywords))
                           .Count(out var count)
                           .ToList<PurchaserExtendedInfoResponse>();
            return new ListResponse<PurchaserExtendedInfoResponse> { Items = list, TotalCount = count };
        }

        public void EditPurchaserExtendedInfo(EditPurchaserExtendedInfoRequest request)
        {
            var insertRelationList = new List<Purchaser_ExtendedInfo_Relation>();
            insertRelationList.AddRange(request.CategoryIdList.Select(x => new Purchaser_ExtendedInfo_Relation()
            {
                Id = idGenerator.NewLong(),
                PurchaserId = request.PurchaserId,
                ExtendedType = Enums.PurchaserBasicInfoType.主营类目,
                ExtendedInfoId = x
            }));

            insertRelationList.AddRange(request.TagIdList.Select(x => new Purchaser_ExtendedInfo_Relation()
            {
                Id = idGenerator.NewLong(),
                PurchaserId = request.PurchaserId,
                ExtendedType = Enums.PurchaserBasicInfoType.标签,
                ExtendedInfoId = x
            }));

            fsql.Transaction(() =>
            {
                fsql.Delete<Purchaser_ExtendedInfo_Relation>().Where(r => r.PurchaserId == request.PurchaserId).ExecuteAffrows();
                fsql.Update<Purchaser>(request.PurchaserId).Set(p => p.ManagmentMode, request.ManagmentMode).ExecuteAffrows();
                if (insertRelationList.Count() > 0)
                    fsql.Insert(insertRelationList).ExecuteAffrows();

            });

        }
    }
}