using BBWYB.Common.Extensions;
using BBWYB.Common.Log;
using BBWYB.Common.Models;
using BBWYB.Server.Model.Db;
using BBWYB.Server.Model.Dto;
using FreeSql;
using System.Linq.Expressions;
using Yitter.IdGenerator;

namespace BBWYB.Server.Business
{
    public class OrderBusiness : BaseBusiness, IDenpendency
    {
        public OrderBusiness(IFreeSql fsql, NLogManager nLogManager, IIdGenerator idGenerator) : base(fsql, nLogManager, idGenerator)
        {

        }

        private ISelect<Model.Db.Order, OrderConsignee, OrderCost> GetOrderListQueryConditions(QueryOrderRequest request)
        {
            var select = fsql.Select<Model.Db.Order, OrderConsignee, OrderCost>().LeftJoin((o, ocs, oct) => o.Id == ocs.OrderId)
                                                                                    .LeftJoin((o, ocs, oct) => o.Id == oct.OrderId);
            if (!string.IsNullOrEmpty(request.OrderId))
            {
                select = select.Where((o, ocs, oct) => o.Id == request.OrderId);
            }
            else
            {
                if (!string.IsNullOrEmpty(request.Sku) || !string.IsNullOrEmpty(request.ProductId))
                {
                    var childSelect = fsql.Select<OrderSku>().As("osku")
                                          .WhereIf(!string.IsNullOrEmpty(request.Sku), osku => osku.SkuId == request.Sku)
                                          .WhereIf(!string.IsNullOrEmpty(request.ProductId), osku => osku.ProductId == request.ProductId);
                    select = select.Where((o, ocs, oct) => childSelect.Where(osku => osku.OrderId == o.Id).Any());
                }

                select = select.WhereIf(request.OrderState != null, (o, ocs, oct) => o.OrderState == request.OrderState)
                               .WhereIf(request.StartDate != null, (o, ocs, oct) => o.StartTime >= request.StartDate)
                               .WhereIf(request.EndDate != null, (o, ocs, oct) => o.StartTime <= request.EndDate)
                               .WhereIf(!string.IsNullOrEmpty(request.ClientOrderId), (o, ocs, oct) => o.ClientOrderId == request.ClientOrderId)
                               .WhereIf(!string.IsNullOrEmpty(request.SourceShopName), (o, ocs, oct) => o.SourceShopName == request.SourceShopName)
                               .WhereIf(!string.IsNullOrEmpty(request.SourceSku), (o, ocs, oct) => o.SourceSku == request.SourceSku);
            }

            select = select.WhereIf(request.ShopId != null, (o, ocs, oct) => o.ShopId == request.ShopId);

            //select = select.Where((o, ocs, oct) => o.ShopId == searchOrderRequest.ShopId);

            return select;
        }

        private Expression<Func<Model.Db.Order, OrderConsignee, OrderCost, Model.Db.Order>> GetOrderListField()
        {
            return (o, ocs, oct) => new Model.Db.Order()
            {
                Id = o.Id,
                BuyerRemark = o.BuyerRemark,
                EndTime = o.EndTime,
                FreightPrice = o.FreightPrice,
                ModifyTime = o.ModifyTime,
                OrderPayment = o.OrderPayment,
                OrderSellerPrice = o.OrderSellerPrice,
                OrderState = o.OrderState,
                OrderTotalPrice = o.OrderTotalPrice,
                OrderType = o.OrderType,
                PayType = o.PayType,
                Platform = o.Platform,
                ShopId = o.ShopId,
                StartTime = o.StartTime,
                VenderRemark = o.VenderRemark,
                PurchaseRemark = o.PurchaseRemark,
                WaybillNo = o.WaybillNo,
                SellerPreferentialAmount = o.SellerPreferentialAmount,
                PreferentialAmount = o.PreferentialAmount,
                ClientOrderId = o.ClientOrderId,
                SourceShopName = o.SourceShopName,
                SourceSku = o.SourceSku,
                ExpressName = o.ExpressName,
                IsPurchased = o.IsPurchased,

                ContactName = ocs.ContactName,
                Address = ocs.Address,
                Province = ocs.Province,
                County = ocs.County,
                Town = ocs.Town,
                City = ocs.City,
                //IsDecode = ocs.IsDecode,
                Mobile = ocs.Mobile,
                TelePhone = ocs.TelePhone,

                DeliveryExpressFreight = oct.DeliveryExpressFreight,
                PlatformCommissionAmount = oct.PlatformCommissionAmount,
                PlatformCommissionRatio = oct.PlatformCommissionRatio,
                //PreferentialAmount = oct.PreferentialAmount,
                Profit = oct.Profit,
                PurchaseAmount = oct.PurchaseAmount,
                IsManualEdited = oct.IsManualEdited,
                //SDCommissionAmount = oct.SDCommissionAmount,
                //SDOrderAmount = oct.SDOrderAmount,
                //RefundAmount = oct.RefundAmount,
                //RefundPurchaseAmount = oct.RefundPurchaseAmount,
            };
        }

        public OrderListResponse GetOrderList(QueryOrderRequest request)
        {
            var select = GetOrderListQueryConditions(request).OrderByDescending((o, ocs, oct) => o.StartTime)
                                                             .Count(out var total)
                                                             .Page(request.PageIndex, request.PageSize);

            var orderSourceList = select.ToList(GetOrderListField());
            var orderList = orderSourceList.Map<IList<OrderResponse>>();
            var orderIdList = orderList.Select(o => o.Id).ToList();

            if (orderList.Count() > 0)
            {
                #region 处理Sku
                var orderSkuList = fsql.Select<OrderSku>().Where(osku => osku.Price != 0 &&
                                                                         orderIdList.Contains(osku.OrderId)).ToList<OrderSkuResponse>();
                foreach (var order in orderList)
                {
                    order.ItemList = orderSkuList.Where(osku => osku.OrderId == order.Id).ToList();
                }
                #endregion

                #region 处理订单成本明细
                var orderCostDetailList = fsql.Select<OrderCostDetail>().Where(ocd => orderIdList.Contains(ocd.OrderId) && ocd.IsEnabled == true).ToList<OrderCostDetailResponse>();
                foreach (var order in orderList)
                    order.OrderCostDetailList = orderCostDetailList.Where(ocd => ocd.OrderId == order.Id).ToList();
                #endregion
            }
            return new OrderListResponse()
            {
                Count = total,
                Items = orderList
            };
        }
    }
}