using AutoMapper;
using FreeSql;
using Google.Protobuf.Collections;
using SiNan.Common.Extensions;
using SiNan.Common.Log;
using SiNan.Common.Models;
using SiNan.Model;
using SiNan.Model.Core;
using SiNan.Model.Db;
using SiNan.Model.Dto;
using Yitter.IdGenerator;

namespace SiNan.Business
{
    public class GOIBusiness : BaseBusiness, IDenpendency
    {
        private FreeSqlMultiDBManager freeSqlMultiDBManager;
        public GOIBusiness(IFreeSql fsql, NLogManager nLogManager, IIdGenerator idGenerator, FreeSqlMultiDBManager freeSqlMultiDBManager) : base(fsql, nLogManager, idGenerator)
        {
            this.freeSqlMultiDBManager = freeSqlMultiDBManager;
        }

        private IList<GOIBySku> StatisticsProductLevelGOI(IList<string> skuIdList, DateTime startDate, DateTime endDate)
        {
            var costs = fsql.Select<JDPopularizeAdSku>()
                            .Where(jas => skuIdList.Contains(jas.Sku) && jas.Date >= startDate && jas.Date <= endDate)
                            .GroupBy(jas => jas.Sku)
                            .ToList(g => new
                            {
                                Cost = g.Sum(g.Value.Cost),
                                Sku = g.Key
                            });

            var profits = fsql.Select<OrderCostDetail, Order>()
                                 .InnerJoin((ocd, o) => ocd.OrderId == o.Id)
                                 .Where((ocd, o) => skuIdList.Contains(ocd.SkuId) &&
                                               ocd.IsEnabled &&
                                               ocd.CreateTime >= startDate &&
                                               ocd.CreateTime <= endDate &&
                                               o.OrderState != Enums.OrderState.已取消)
                                 .GroupBy((ocd, o) => ocd.SkuId)
                                 .ToList(g => new
                                 {
                                     Profit = g.Sum(g.Value.Item1.SkuGrossProfit),
                                     Sku = g.Key
                                 });
            IList<GOIBySku> list = new List<GOIBySku>();
            foreach (var c in costs)
            {
                var skugoi = list.FirstOrDefault(x => x.Sku == c.Sku);
                if (skugoi == null)
                {
                    skugoi = new GOIBySku() { Sku = c.Sku };
                    list.Add(skugoi);
                }
                skugoi.Cost = c.Cost;
            }

            foreach (var p in profits)
            {
                var skugoi = list.FirstOrDefault(x => x.Sku == p.Sku);
                if (skugoi == null)
                {
                    skugoi = new GOIBySku() { Sku = p.Sku };
                    list.Add(skugoi);
                }
                skugoi.Profit = p.Profit;
            }
            return list;
        }

        private IList<GOIBySku> StatisticsPopularizeLevelGOI(IList<string> skuIdList, DateTime? startDate, DateTime? endDate)
        {
            IList<GOIBySku> list = new List<GOIBySku>();

            var costs = fsql.Select<JDPopularizeAdSku>()
                                      .Where(jas => skuIdList.Contains(jas.Sku))  // &&jas.Date >= startDate && jas.Date <= endDate
                                      .WhereIf(startDate != null, jas => jas.Date >= startDate)
                                      .WhereIf(endDate != null, jas => jas.Date <= endDate)
                                      .GroupBy(jas => jas.Sku)
                                      .ToList(g => new
                                      {
                                          Cost = g.Sum(g.Value.Cost),
                                          Sku = g.Key
                                      });

            var profits = fsql.Select<JDOrderPopularizeRelation, OrderCostDetail, Order>()
                                         .InnerJoin((jr, ocd, o) => jr.OrderId == ocd.OrderId)
                                         .InnerJoin((jr, ocd, o) => jr.OrderId == o.Id)
                                         .Where((jr, ocd, o) => skuIdList.Contains(jr.PopularizeSku))
                                         .WhereIf(startDate != null, (jr, ocd, o) => jr.CookieTime >= startDate)
                                         .WhereIf(endDate != null, (jr, ocd, o) => jr.CookieTime <= endDate)
                                         .Where((jr, ocd, o) => ocd.IsEnabled == true && o.OrderState != Enums.OrderState.已取消)
                                   .GroupBy((jr, ocd, o) => jr.PopularizeSku)
                                   .ToList(g => new
                                   {
                                       Profit = g.Sum(g.Value.Item2.SkuGrossProfit),
                                       Sku = g.Key
                                   });

            foreach (var c in costs)
            {
                var skugoi = list.FirstOrDefault(x => x.Sku == c.Sku);
                if (skugoi == null)
                {
                    skugoi = new GOIBySku() { Sku = c.Sku };
                    list.Add(skugoi);
                }
                skugoi.Cost = c.Cost;
            }

            foreach (var p in profits)
            {
                var skugoi = list.FirstOrDefault(x => x.Sku == p.Sku);
                if (skugoi == null)
                {
                    skugoi = new GOIBySku() { Sku = p.Sku };
                    list.Add(skugoi);
                }
                skugoi.Profit = p.Profit;
            }

            return list;
        }

        public ListResponse<ProductGOIResponse> QueryProductGOI(QueryProductGOIRequest request)
        {
            if (request.ShopId == 0)
                throw new BusinessException("缺少店铺Id");

            ISelect<ProductSku>? skuChildSelect = string.IsNullOrEmpty(request.Sku) ?
                                                  null :
                                                  fsql.Select<ProductSku>().As("ps").Where(ps => ps.ShopId == request.ShopId && ps.Id == request.Sku);
            var productList = fsql.Select<Product>().Where(p => p.ShopId == request.ShopId)
                                                    .WhereIf(!string.IsNullOrEmpty(request.Spu), p => p.Id == request.Spu)
                                                    .WhereIf(skuChildSelect != null, p => skuChildSelect.Where(ps => ps.ProductId == p.Id).Any())
                                                    .Page(request.PageIndex, request.PageSize)
                                                    .Count(out var productCount)
                                                    .ToList<ProductResponse>();
            if (productList.Count == 0)
                return new ListResponse<ProductGOIResponse>() { ItemList = new List<ProductGOIResponse>() };

            var productIdList = productList.Select(p => p.Id).ToList();
            var skuList = fsql.Select<ProductSku>().Where(ps => productIdList.Contains(ps.Id)).ToList<ProductSkuResponse>();
            var skuIdList = skuList.Select(s => s.Id).ToList();

            var startDate_yestoday = DateTime.Now.Date.AddDays(-1);
            var endDate_yestoday = DateTime.Now.Date.AddSeconds(-1);

            var startDate_Recent7day = DateTime.Now.Date.AddDays(-7);
            var endDate_Recent7day = DateTime.Now.Date.AddSeconds(-1);

            var startDate_Recent30day = DateTime.Now.Date.AddDays(-30);
            var endDate_Recent30day = DateTime.Now.Date.AddSeconds(-1);

            #region 商品维度

            //昨天
            var yestodayProductLevelGOIList = StatisticsProductLevelGOI(skuIdList, startDate_yestoday, endDate_yestoday);

            //近7天
            var recent7dayProductLevelGOIList = StatisticsProductLevelGOI(skuIdList, startDate_Recent7day, endDate_Recent7day);

            //近30天
            var recent30dayProductLevelGOIList = StatisticsProductLevelGOI(skuIdList, startDate_Recent30day, endDate_Recent30day);

            #endregion

            #region 推广维度
            //昨天
            var yestodayPopularizeLevelGOIList = StatisticsPopularizeLevelGOI(skuIdList, startDate_yestoday, endDate_yestoday);

            //近7天
            var recent7dayPopularizeLevelGOIList = StatisticsPopularizeLevelGOI(skuIdList, startDate_Recent7day, endDate_Recent7day);

            //近30天
            var recent30dayPopularizeLevelGOIList = StatisticsPopularizeLevelGOI(skuIdList, startDate_Recent30day, endDate_Recent30day);
            #endregion

            #region 累计花费/累计亏损
            var historyPopularizeLevelGOIList = StatisticsPopularizeLevelGOI(skuIdList, null, null);
            #endregion

            List<ProductGOIResponse> productGOIList = new List<ProductGOIResponse>();
            foreach (var product in productList)
            {
                var productGoi = product.Map<ProductGOIResponse>();
                productGOIList.Add(productGoi);

                productGoi.ProductSkuGOIList = skuList.Where(ps => ps.ProductId == product.Id).Map<List<ProductSkuGOIResponse>>();
                foreach (var productSku in productGoi.ProductSkuGOIList)
                {
                    productSku.ProductGOI_Yestoday = yestodayProductLevelGOIList.FirstOrDefault(x => x.Sku == productSku.Id);
                    productSku.ProductGOI_Recent7Day = recent7dayProductLevelGOIList.FirstOrDefault(x => x.Sku == productSku.Id);
                    productSku.ProductGOI_Recent30Day = recent30dayProductLevelGOIList.FirstOrDefault(x => x.Sku == productSku.Id);
                    productSku.PromotionGOI_Yestoday = yestodayPopularizeLevelGOIList.FirstOrDefault(x => x.Sku == productSku.Id);
                    productSku.PromotionGOI_Recent7Day = recent7dayPopularizeLevelGOIList.FirstOrDefault(x => x.Sku == productSku.Id);
                    productSku.PromotionGOI_Recent30Day = recent30dayPopularizeLevelGOIList.FirstOrDefault(x => x.Sku == productSku.Id);

                    var historyPopularizeLevelGOI = historyPopularizeLevelGOIList.FirstOrDefault(x => x.Sku == productSku.Id);
                    productSku.TotalCost = historyPopularizeLevelGOI?.Cost ?? 0M;
                    productSku.TotalDeficit = (historyPopularizeLevelGOI?.Profit ?? 0M) - (historyPopularizeLevelGOI?.Cost ?? 0M);
                }

                productGoi.ProductGOI_Yestoday = new GOIResponse()
                {
                    Cost = productGoi.ProductSkuGOIList.Sum(x => x.ProductGOI_Yestoday?.Cost ?? 0M),
                    Profit = productGoi.ProductSkuGOIList.Sum(x => x.ProductGOI_Yestoday?.Profit ?? 0M)
                };
                productGoi.ProductGOI_Recent7Day = new GOIResponse()
                {
                    Cost = productGoi.ProductSkuGOIList.Sum(x => x.ProductGOI_Recent7Day?.Cost ?? 0M),
                    Profit = productGoi.ProductSkuGOIList.Sum(x => x.ProductGOI_Recent7Day?.Profit ?? 0M)
                };
                productGoi.ProductGOI_Recent30Day = new GOIResponse()
                {
                    Cost = productGoi.ProductSkuGOIList.Sum(x => x.ProductGOI_Recent30Day?.Cost ?? 0M),
                    Profit = productGoi.ProductSkuGOIList.Sum(x => x.ProductGOI_Recent30Day?.Profit ?? 0M)
                };

                productGoi.PromotionGOI_Yestoday = new GOIResponse()
                {
                    Cost = productGoi.ProductSkuGOIList.Sum(x => x.PromotionGOI_Yestoday?.Cost ?? 0M),
                    Profit = productGoi.ProductSkuGOIList.Sum(x => x.PromotionGOI_Yestoday?.Profit ?? 0M)
                };
                productGoi.PromotionGOI_Recent7Day = new GOIResponse()
                {
                    Cost = productGoi.ProductSkuGOIList.Sum(x => x.PromotionGOI_Recent7Day?.Cost ?? 0M),
                    Profit = productGoi.ProductSkuGOIList.Sum(x => x.PromotionGOI_Recent7Day?.Profit ?? 0M)
                };
                productGoi.PromotionGOI_Recent30Day = new GOIResponse()
                {
                    Cost = productGoi.ProductSkuGOIList.Sum(x => x.PromotionGOI_Recent30Day?.Cost ?? 0M),
                    Profit = productGoi.ProductSkuGOIList.Sum(x => x.PromotionGOI_Recent30Day?.Profit ?? 0M)
                };
                productGoi.TotalCost = productGoi.ProductSkuGOIList.Sum(x => x.TotalCost);
                productGoi.TotalDeficit = productGoi.ProductSkuGOIList.Sum(x => x.TotalDeficit);
            }

            return new ListResponse<ProductGOIResponse>()
            {
                Count = productCount,
                ItemList = productGOIList
            };
        }
    }
}