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

namespace SiNan.Business
{
    public class AggregationBusiness : BaseBusiness, IDenpendency
    {
        private VenderBusiness venderBusiness;
        private GOIBusiness goiBusiness;
        private TaskSchedulerManager taskSchedulerManager;

        public AggregationBusiness(IFreeSql fsql,
                                   NLogManager nLogManager,
                                   IIdGenerator idGenerator,
                                   VenderBusiness venderBusiness,
                                   GOIBusiness goiBusiness,
                                   TaskSchedulerManager taskSchedulerManager) : base(fsql, nLogManager, idGenerator)
        {
            this.venderBusiness = venderBusiness;
            this.goiBusiness = goiBusiness;
            this.taskSchedulerManager = taskSchedulerManager;
        }

        #region SPU聚合任务
        public void StartSpuAggregationTask()
        {
            StartSpuAggregationTaskByCondition(new SpuAggregationRequest()
            {
                AggregationDate = DateTime.Now.Date.AddDays(-1),
                ShopId = null,
                Spu = string.Empty
            });
        }

        public void StartSpuAggregationTaskByCondition(SpuAggregationRequest request)
        {
            var shopList = venderBusiness.GetShopList(request.ShopId);
            foreach (var shop in shopList)
            {
                Task.Factory.StartNew(() => SpuAggregation(long.Parse(shop.ShopId), request.Spu, request.AggregationDate), CancellationToken.None, TaskCreationOptions.LongRunning, taskSchedulerManager.AggregationSpuGOIScheduler);
            }
        }

        private void SpuAggregation(long shopId, string spu, DateTime aggregationDate)
        {
            var aggregationStartDate = aggregationDate.Date;
            var aggregationEndDate = aggregationDate.Date.AddDays(1).AddSeconds(-1);
            var spuIdList = fsql.Select<Model.Db.Product>().Where(p => p.ShopId == shopId && p.State == 8)
                                                         .WhereIf(!string.IsNullOrEmpty(spu), p => p.Id == spu)
                                                         .OrderBy(p => p.CreateTime)
                                                         .ToList(p => p.Id);
            var skuList = fsql.Select<Model.Db.ProductSku>().Where(ps => ps.ShopId == shopId && ps.State == 1)
                                                            .WhereIf(!string.IsNullOrEmpty(spu), ps => ps.ProductId == spu)
                                                            .OrderBy(ps => ps.CreateTime)
                                                            .ToList(ps => new
                                                            {
                                                                ps.ProductId,
                                                                ps.Id
                                                            });

            var dbAggregationJDPopularizeSpuList = fsql.Select<AggregationJDPopularizeSpu, Product>()
                                                       .InnerJoin((aspu, p) => aspu.Id == p.Id)
                                                       .Where((aspu, p) => p.ShopId == shopId && p.State == 8)
                                                       .WhereIf(!string.IsNullOrEmpty(spu), (aspu, p) => p.Id == spu)
                                                       .ToList();

            var i = 0;
            var spuGroups = from s in spuIdList
                            let num = i++
                            group s by num / 10 into g
                            select g.ToArray();  //10个spu为一组

            foreach (var spuGroup in spuGroups)
            {
                var currentGroupSkuList = skuList.Where(s => spuGroup.Contains(s.ProductId)).ToList();
                var currentGroupSkuIdList = currentGroupSkuList.Select(ps => ps.Id).ToList();

                List<AggregationJDPopularizeSpuDaily> insertAggregationSpuDailyList = new List<AggregationJDPopularizeSpuDaily>();
                List<AggregationJDPopularizeSkuDaily> insertAggregationSkuDailyList = new List<AggregationJDPopularizeSkuDaily>();
                List<AggregationJDPopularizeSpu> insertAggregationSpuList = new List<AggregationJDPopularizeSpu>();
                List<AggregationJDPopularizeSku> insertAggregationSkuList = new List<AggregationJDPopularizeSku>();
                IDictionary<string, IUpdate<AggregationJDPopularizeSpu>> updateAggregationSpuDictionary = new Dictionary<string, IUpdate<AggregationJDPopularizeSpu>>();
                IDictionary<string, IUpdate<AggregationJDPopularizeSku>> updateAggregationSkuDictionary = new Dictionary<string, IUpdate<AggregationJDPopularizeSku>>();

                var aggregationDate_ProductLevelList = goiBusiness.StatisticsProductLevelGOI(currentGroupSkuIdList, aggregationStartDate, aggregationEndDate);
                var aggregationDate_PopularizeLevelList = goiBusiness.StatisticsPopularizeLevelGOI(currentGroupSkuIdList, aggregationStartDate, aggregationEndDate);



                if ((DateTime.Now.Date - aggregationStartDate).TotalDays <= 31)
                {

                }

                #region 处理sku

                #endregion
            }
        }
        #endregion
    }
}