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, NLog.ILogger logger, IIdGenerator idGenerator, FreeSqlMultiDBManager freeSqlMultiDBManager) : base(fsql, logger, idGenerator)
        {
            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) &&
                                                                            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 shopId = request.ShopId.ToString();
            var mdsShop = freeSqlMultiDBManager.MDSfsql.Select<Shops>().Where(s => s.ShopId == shopId).ToOne();
            if (mdsShop != null)
            {
                var advCost = freeSqlMultiDBManager.JDXXfsql.Select<Shopsdetail>().Where(s => s.ShopsId == mdsShop.Id &&
                                                                                 s.CreateTime >= request.StartTime &&
                                                                                 s.CreateTime <= request.EndTime)
                                                                     .ToAggregate(s => s.Sum(s.Key.ExpressCost + s.Key.ShotgunCost));
                response.AdvCost = advCost;
                response.Profit -= advCost;
            }

            return response;
        }

        public XingXinagSearchResponse XingXiangStatistics(XingXiangSearchOrderRequest xingXiangSearchOrderRequest)
        {
            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))
                                                           .WhereIf(xingXiangSearchOrderRequest.SpuList != null && xingXiangSearchOrderRequest.SpuList.Count() > 0,
                                                           (o, oc) => fsql.Select<OrderSku>().As("osku").Where(osku => xingXiangSearchOrderRequest.SpuList.Contains(osku.ProductId) && osku.OrderId == o.Id).Any())
                                                           .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
                                                           });

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

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

            detailList = new List<XingXiangItemResponse>();
            var totalSDOrderCost = 0M;
            foreach (var order in orderList)
            {
                var skuCount = orderSkuList.Count(osku => osku.OrderId == order.Id);
                var currentOrderSkuGroupsSelect = orderSkuList.Where(osku => osku.OrderId == order.Id);
                if (xingXiangSearchOrderRequest.SpuList != null && xingXiangSearchOrderRequest.SpuList.Count() > 0)
                    currentOrderSkuGroupsSelect = currentOrderSkuGroupsSelect.Where(osku => xingXiangSearchOrderRequest.SpuList.Contains(osku.ProductId));
                var currentOrderSkuGroups = currentOrderSkuGroupsSelect.GroupBy(osku => osku.ProductId);
                foreach (var group in currentOrderSkuGroups)
                {
                    var spuId = group.Key;

                    var profit = 0M;
                    var sdCost = 0M;
                    var prodcutAmount = group.Sum(osku => osku.Price * osku.ItemTotal) ?? 0;  //货款
                    var preferentialAmount = order.PreferentialAmount / skuCount * group.Count(); //该SPU分摊的商家优惠金额
                    prodcutAmount -= preferentialAmount;
                    var commissionAmount = prodcutAmount * 0.05M;  //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 = sdOrderList.Count() > 0 ? sdOrderList.Sum(o => o.OrderSellerPrice) : 0M,
                TotalSDOrderCount = sdOrderList.Count(),
                TotalSDOrderCost = totalSDOrderCost
            };

        }
    }
}