using BBWY.Common.Models;
using BBWY.Server.Model;
using BBWY.Server.Model.Db;
using BBWY.Server.Model.Db.Mds;
using BBWY.Server.Model.Dto;
using System;
using System.Collections.Generic;
using System.Linq;
using Yitter.IdGenerator;

namespace BBWY.Server.Business
{
    public class StatisticsBusiness : BaseBusiness, IDenpendency
    {
        private IList<Enums.OrderState> invalidOrderStateList;
        private FreeSqlMultiDBManager freeSqlMultiDBManager;

        public StatisticsBusiness(IFreeSql fsql, NLogManager nLogManager, IIdGenerator idGenerator, FreeSqlMultiDBManager freeSqlMultiDBManager, IEnumerable<PlatformSDKBusiness> platformSDKBusinessList) : base(fsql, nLogManager, idGenerator, platformSDKBusinessList)
        {
            invalidOrderStateList = new List<Enums.OrderState>() { Enums.OrderState.待付款, Enums.OrderState.已取消 };
            this.freeSqlMultiDBManager = freeSqlMultiDBManager;
        }

        public OrderAchievementResponse GetOrderAchievementStatistics(OrderAchievementRequest request)
        {
            request.EndTime = request.EndTime.Date.AddDays(1).AddSeconds(-1);
            var response = fsql.Select<Order, OrderCost>().LeftJoin((o, oc) => o.Id == oc.OrderId)
                                                          .Where((o, oc) => o.ShopId == request.ShopId &&
                                                                            o.OrderState != null &&
                                                                            !invalidOrderStateList.Contains(o.OrderState.Value) &&  //排除待付款和取消
                                                                            o.StorageType != Enums.StorageType.SD &&
                                                                            o.StartTime >= request.StartTime &&
                                                                            o.StartTime <= request.EndTime)
                                                         .ToAggregate((o, oc) => new OrderAchievementResponse()
                                                         {
                                                             OrderCount = o.Count(),
                                                             //Profit = oc.Sum(oc.Key.Profit),
                                                             SaleAmount = o.Sum(o.Key.OrderPayment),
                                                             DeliveryExpressFreight = oc.Sum(oc.Key.DeliveryExpressFreight),
                                                             PlatformCommissionAmount = oc.Sum(oc.Key.PlatformCommissionAmount),
                                                             PurchaseAmount = oc.Sum(oc.Key.PurchaseAmount)
                                                         });

            var shopPopularizeList = fsql.Select<Shoppopularize>().Where(s => s.ShopId == request.ShopId &&
                                                                              s.Date >= request.StartTime &&
                                                                              s.Date <= request.EndTime).ToList();

            //最后一次推广花费时间
            var pularizeEndDate = shopPopularizeList.Count > 0 ? shopPopularizeList.Max(s => s.Date) : null;
            var pularizeEndTime = pularizeEndDate?.AddDays(1).AddSeconds(-1);

            if (pularizeEndTime != null)
            {
                //o.StorageType != Enums.StorageType.SD &&
                response.PularizeEndDate = pularizeEndDate;
                var profitList = fsql.Select<Order, OrderCost>().LeftJoin((o, oc) => o.Id == oc.OrderId)
                                                                .Where((o, oc) => o.ShopId == request.ShopId &&
                                                                                  o.OrderState != null &&
                                                                                  !invalidOrderStateList.Contains(o.OrderState.Value) &&  //排除待付款和取消
                                                                                  o.StartTime >= request.StartTime &&
                                                                                  o.StartTime <= pularizeEndTime)
                                                                .GroupBy((o, oc) => new
                                                                {
                                                                    IsSD = o.StorageType != null && o.StorageType == Enums.StorageType.SD
                                                                })
                                                                .ToList(g => new
                                                                {
                                                                    g.Key.IsSD,
                                                                    Value = g.Sum(g.Value.Item2.Profit)
                                                                });

                var profit = profitList.FirstOrDefault(t => !t.IsSD)?.Value ?? 0M;
                var sdCost = profitList.FirstOrDefault(t => t.IsSD)?.Value ?? 0M;

                response.SDCost = Math.Abs(sdCost);
                response.AdvCost = shopPopularizeList.Sum(s => s.Cost) + response.SDCost;
                response.Profit = profit - response.AdvCost - response.TaxCost - response.EmployeeCost;

                response.ShoppopularizeList = shopPopularizeList.GroupBy(s => s.ItemName).Select(g => new Shoppopularize()
                {
                    ShopId = request.ShopId,
                    Cost = g.Sum(s => s.Cost),
                    ItemName = g.Key
                }).ToList();
            }


            response.ShopId = request.ShopId;
            return response;
        }

        public IList<OrderAchievementResponse> GetOrderAchievementStatisticsList(AllShopOrderAchievementRequest request)
        {
            var minTime = DateTime.Parse("2022-05-01");
            if (request.StartTime < minTime)
                request.StartTime = minTime;
            request.EndTime = request.EndTime.Date.AddDays(1).AddSeconds(-1);
            List<OrderAchievementResponse> list = new List<OrderAchievementResponse>();
            var shopPularizeGroups = fsql.Select<Shoppopularize>().Where(s => s.Date >= request.StartTime && s.Date <= request.EndTime)
                                                                  .GroupBy(s => s.ShopId)
                                                                  .ToList(g => new
                                                                  {
                                                                      ShopId = g.Key,
                                                                      MinDate = g.Min(g.Value.Date),
                                                                      MaxDate = g.Max(g.Value.Date),
                                                                      Cost = g.Sum(g.Value.Cost)
                                                                  });

            var shopPularizeDateGroups = shopPularizeGroups.GroupBy(g => new { g.MinDate, g.MaxDate }).ToList();
            foreach (var dateGroup in shopPularizeDateGroups)
            {
                var minDate = dateGroup.Key.MinDate;
                var maxDate = dateGroup.Key.MaxDate.Value.Date.AddDays(1).AddSeconds(-1);
                var shopIds = dateGroup.Select(g => g.ShopId).ToList();

                var responseList = fsql.Select<Order, OrderCost>().LeftJoin((o, oc) => o.Id == oc.OrderId)
                                                                  .Where((o, oc) => o.OrderState != null &&
                                                                                    !invalidOrderStateList.Contains(o.OrderState.Value) &&  //排除待付款和取消
                                                                                    o.StartTime >= minDate &&
                                                                                    o.StartTime <= maxDate &&
                                                                                    shopIds.Contains(o.ShopId))
                                                                  .GroupBy((o, oc) => o.ShopId)
                                                                  .ToList((g) => new OrderAchievementResponse()
                                                                  {
                                                                      ShopId = g.Key,
                                                                      Profit = g.Sum(g.Value.Item2.Profit)
                                                                  });
                foreach (var r in responseList)
                {
                    var shopPularize = shopPularizeGroups.FirstOrDefault(s => s.ShopId == r.ShopId);
                    if (shopPularize != null)
                        r.Profit -= shopPularize.Cost;
                }
                list.AddRange(responseList);
            }

            return list;
        }

        private void XingXiangCumulative(IList<XingXiangItemResponse> detailList, string spuId, bool isSD, decimal profit, decimal sdProductAmount, decimal sdCost)
        {
            var xxRespose = detailList.FirstOrDefault(xx => xx.Spu == spuId);
            if (xxRespose == null)
            {
                xxRespose = new XingXiangItemResponse() { Spu = spuId, Profit = 0M };
                detailList.Add(xxRespose);
            }
            xxRespose.Profit += profit;
            if (isSD)
            {
                xxRespose.SDOrderCount++;
                xxRespose.SDOrderAmount += sdProductAmount;
                xxRespose.SDOrderCost += sdCost;
            }
        }

        public XingXinagSearchResponse XingXiangStatistics(XingXiangSearchOrderRequest xingXiangSearchOrderRequest)
        {
            var mdsShop = freeSqlMultiDBManager.MDSfsql.Select<Shops>().Where(s => s.ShopId == xingXiangSearchOrderRequest.ShopId.ToString()).ToOne();
            var platformCommissionRatio = mdsShop.PlatformCommissionRatio ?? 0.05M;
            var beginTime = xingXiangSearchOrderRequest.SearchDate.Date;
            var endTime = xingXiangSearchOrderRequest.SearchDate.Date.AddDays(1).AddSeconds(-1);
            IList<XingXiangItemResponse> detailList = null;

            //查询订单
            var orderList = fsql.Select<Order, OrderCost>().InnerJoin((o, oc) => o.Id == oc.OrderId)
                                                           .Where((o, oc) => o.ShopId == xingXiangSearchOrderRequest.ShopId)
                                                           .Where((o, oc) => o.StartTime >= beginTime && o.StartTime <= endTime)
                                                           .Where((o, oc) => !invalidOrderStateList.Contains(o.OrderState.Value))
                                                           .OrderByDescending((o, oc) => o.StartTime)
                                                           .ToList((o, oc) => new Order()
                                                           {
                                                               Id = o.Id,
                                                               //FreightPrice = o.FreightPrice,
                                                               OrderState = o.OrderState,
                                                               OrderTotalPrice = o.OrderTotalPrice,
                                                               StartTime = o.StartTime,
                                                               StorageType = o.StorageType,
                                                               ShopId = o.ShopId,
                                                               //SDCommissionAmount = oc.SDCommissionAmount,
                                                               //DeliveryExpressFreight = oc.DeliveryExpressFreight,
                                                               //PreferentialAmount = oc.PreferentialAmount,
                                                               OrderSellerPrice = o.OrderSellerPrice,
                                                               //SellerPreferentialAmount = o.SellerPreferentialAmount,
                                                               Profit = oc.Profit
                                                           });

            if (orderList.Count() == 0)
                return null;

            var orderIdList = orderList.Select(o => o.Id).ToList();
            //查询orderSku
            var orderSkuList = fsql.Select<OrderSku>().Where(osku => osku.Price != 0 && orderIdList.Contains(osku.OrderId)).ToList();
            //查询成本明细
            var orderCostDetailList = fsql.Select<OrderCostDetail>().Where(ocd => orderIdList.Contains(ocd.OrderId) && ocd.IsEnabled == true).ToList();

            detailList = new List<XingXiangItemResponse>();
            foreach (var order in orderList)
            {
                var currentOrderSkuList = orderSkuList.Where(osku => osku.OrderId == order.Id).ToList();

                if (order.StorageType == Enums.StorageType.SD)
                {
                    XingXiangCumulative(detailList, currentOrderSkuList[0].ProductId, true, order.Profit ?? 0M, order.OrderSellerPrice, Math.Abs(order.Profit ?? 0M));
                    continue;
                }

                var currentOrderCostDetailList = orderCostDetailList.Where(ocd => ocd.OrderId == order.Id);
                var spuGroups = currentOrderSkuList.GroupBy(osku => osku.ProductId);

                var tempOrderProdcutAmount = currentOrderSkuList.Sum(osku => osku.ItemTotal * osku.Price) ?? 0M;
                var tempOrderCost = currentOrderCostDetailList.Count() > 0 ? currentOrderCostDetailList.Sum(ocd => ocd.TotalCost) : 0M;
                var tempOrderProfit = tempOrderProdcutAmount - tempOrderCost;

                foreach (var spuGroup in spuGroups)
                {
                    var currentSpuCostDetailList = currentOrderCostDetailList.Where(ocd => ocd.ProductId == spuGroup.Key);

                    var tempSpuProductAmount = spuGroup.Sum(osku => osku.Price * osku.ItemTotal) ?? 0M;
                    var tempSpuCost = currentSpuCostDetailList.Count() > 0 ? currentSpuCostDetailList.Sum(ocd => ocd.TotalCost) : 0M;
                    var tempSpuProfit = tempSpuProductAmount - tempSpuCost;
                    var spuProfitPercent = tempOrderProfit == 0M ? 0M : tempSpuProfit / tempOrderProfit;

                    var realSpuProfit = (order.Profit ?? 0M) * spuProfitPercent;
                    XingXiangCumulative(detailList, spuGroup.Key, false, realSpuProfit, 0, 0);
                }

                //foreach (var group in spuGroups)
                //{
                //    var spuId = group.Key;

                //    var profit = 0M;
                //    var sdCost = 0M;
                //    var prodcutAmount = group.Sum(osku => osku.Price * osku.ItemTotal) ?? 0;  //货款
                //    var skuSellerPreferentialAmount = order.SellerPreferentialAmount / skuCount * group.Count();  //该SPU分摊的商家优惠金额
                //    prodcutAmount -= skuSellerPreferentialAmount;
                //    var commissionAmount = prodcutAmount * platformCommissionRatio;  //该SPU的平台扣点金额
                //    var freightPriceByUser = order.FreightPrice == 0 ? 0 : order.FreightPrice / skuCount * group.Count(); //该SPU分摊的用户承担运费
                //    var currentOrderCostDetailList = orderCostDetailList.Where(ocd => ocd.OrderId == order.Id && ocd.ProductId == spuId).ToList();
                //    var purchaseAmount = currentOrderCostDetailList.Count() > 0 ? currentOrderCostDetailList.Sum(ocd => ocd.TotalCost) : 0;
                //    var deliveryFreight = currentOrderCostDetailList.Count() > 0 ? currentOrderCostDetailList.Sum(ocd => ocd.DeliveryExpressFreight) : 0;

                //    if (order.StorageType != Enums.StorageType.SD)
                //    {
                //        profit = prodcutAmount + freightPriceByUser - purchaseAmount - deliveryFreight - commissionAmount;
                //    }
                //    else
                //    {
                //        var sdCommissionAmount = order.SDCommissionAmount.Value / skuCount * group.Count();
                //        profit = 0;
                //        sdCost = sdCommissionAmount + commissionAmount + order.DeliveryExpressFreight ?? 0M;
                //        totalSDOrderCost += sdCost;
                //    }
                //    var xxRespose = detailList.FirstOrDefault(xx => xx.Spu == spuId);
                //    if (xxRespose == null)
                //    {
                //        xxRespose = new XingXiangItemResponse() { Spu = spuId, Profit = 0M };
                //        detailList.Add(xxRespose);
                //    }
                //    xxRespose.Profit += profit;
                //    if (order.StorageType == Enums.StorageType.SD)
                //    {
                //        xxRespose.SDOrderCount++;
                //        xxRespose.SDOrderAmount += prodcutAmount;
                //        xxRespose.SDOrderCost += sdCost;
                //    }
                //}
            }

            var sdOrderList = orderList.Where(o => o.StorageType == Enums.StorageType.SD);

            return new XingXinagSearchResponse()
            {
                ItemList = detailList,
                TotalSDOrderAmount = detailList.Sum(xx => xx.SDOrderAmount),
                TotalSDOrderCount = sdOrderList.Count(),
                TotalSDOrderCost = detailList.Sum(xx => xx.SDOrderCost),
                TotalProfit = detailList.Sum(xx => xx.Profit)
            };

        }

        /// <summary>
        /// bbwy订单选项卡数量统计
        /// </summary>
        /// <param name="shopId"></param>
        /// <param name="startDate"></param>
        /// <param name="endDate"></param>
        /// <returns></returns>
        public OrderCountStatisticsResponse GetOrderCountStatistics(long shopId)
        {
            //startDate = startDate.Date;
            //endDate = endDate.Date.AddDays(1).AddSeconds(-1);
            var dt = DateTime.Parse("2022-05-01");
            var afterDt = DateTime.Parse("2022-10-01");
            var response = new OrderCountStatisticsResponse();
            response.WaitPurchaseCount = fsql.Select<Order>().Where(o => o.ShopId == shopId &&
                                                                         o.OrderState == Enums.OrderState.等待采购 && o.StartTime >= dt).Count();

            response.ExceptionCount = fsql.Select<Order, OrderCost>().LeftJoin((o, oc) => o.Id == oc.OrderId)
                                          .Where((o, oc) => o.ShopId == shopId && o.StartTime >= dt &&
                                                            o.IsGift == false &&
                                                            o.OrderState != Enums.OrderState.已取消 &&
                                                            ((o.StorageType != Enums.StorageType.SD && o.StorageType != null && oc.PurchaseAmount == 0M) ||
                                                             (o.StorageType != Enums.StorageType.SD && oc.PurchaseAmount + oc.DeliveryExpressFreight > o.OrderSellerPrice + o.FreightPrice) ||
                                                             (o.StorageType == null && o.OrderState != Enums.OrderState.等待采购))).Count();

            response.WaitOutStoreCount = fsql.Select<Order>().Where(o => o.ShopId == shopId && o.OrderState == Enums.OrderState.待出库 && o.StartTime >= dt).Count();

            response.AfterSaleOrderUnhandleCount = fsql.Select<AfterSaleOrder>().Where(aso => aso.ShopId == shopId && (aso.ProductHealth == null || aso.ProductResult == null) && aso.CreateTime >= afterDt).Count();
            return response;
        }

        /// <summary>
        /// SD组个人统计
        /// </summary>
        /// <param name="sdOperator"></param>
        /// <param name="startDate"></param>
        /// <param name="endDate"></param>
        /// <returns></returns>
        public SDGroupPersonStatisticsResponse GetSDGroupPersonStatistics(string sdOperator, DateTime startDate, DateTime endDate)
        {
            endDate = endDate.Date.AddDays(1).AddSeconds(-1);
            return fsql.Select<Order>().Where(o => o.StorageType == Enums.StorageType.SD &&
                                                   o.SDOperator == sdOperator &&
                                                   o.StartTime >= startDate &&
                                                   o.StartTime <= endDate).ToAggregate(g => new SDGroupPersonStatisticsResponse
                                                   {
                                                       MySDCount = g.Count(),
                                                       OrderPayment = g.Sum(g.Key.OrderPayment)
                                                   });
        }

        /// <summary>
        /// 查询sku最近销量
        /// </summary>
        /// <param name="skuRecentSalesRequest"></param>
        /// <returns></returns>
        public IList<SkuRecentSaleResponse> GetSkuRecentSales(SkuRecentSalesRequest skuRecentSalesRequest)
        {
            var endTime = DateTime.Now;
            var startDate = DateTime.Now.Date.AddMonths(-1);

            var list = fsql.Select<OrderSku>().WhereIf(skuRecentSalesRequest.SkuIds.Count() == 1, osku => osku.SkuId == skuRecentSalesRequest.SkuIds[0])
                                              .WhereIf(skuRecentSalesRequest.SkuIds.Count() > 1, osku => skuRecentSalesRequest.SkuIds.Contains(osku.SkuId))
                                              .Where(osku => osku.CreateTime >= startDate && osku.CreateTime <= endTime)
                                              .GroupBy(osku => osku.SkuId)
                                              .ToList(g => new SkuRecentSaleResponse()
                                              {
                                                  SkuId = g.Key,
                                                  SaleCount = g.Sum(g.Value.ItemTotal.Value)
                                              });
            return list;
        }
    }
}