using BBWY.Common.Models;
using BBWY.Server.Model.Db;
using BBWY.Server.Model.Dto;
using System;
using System.Linq;
using System.Linq.Expressions;
using Yitter.IdGenerator;

namespace BBWY.Server.Business
{
    public class AfterSaleOrderBusiness : BaseBusiness, IDenpendency
    {
        public AfterSaleOrderBusiness(IFreeSql fsql, NLog.ILogger logger, IIdGenerator idGenerator) : base(fsql, logger, idGenerator)
        {

        }

        private Expression<Func<AfterSaleOrder, OrderSku, OrderConsignee, AfterSaleOrderResponse>> GetExpressionField()
        {
            return (aso, osku, oc) => new AfterSaleOrderResponse(aso.Id)
            {
                ApplyTime = aso.ApplyTime,
                ConsumableAmount = aso.ConsumableAmount,
                CreateTime = aso.CreateTime,
                DeliveryExpressFreight = aso.DeliveryExpressFreight,
                FirstFreight = aso.FirstFreight,
                InStorageAmount = aso.InStorageAmount,
                Logo = osku.Logo,
                OrderId = aso.OrderId,
                OutStorageAmount = aso.OutStorageAmount,
                ProductHealth = aso.ProductHealth,
                ProductId = aso.ProductId,
                ProductResult = aso.ProductResult,
                RefundAmount = aso.RefundAmount,
                RefundInStorageAmount = aso.RefundInStorageAmount,
                RefundPurchaseAmount = aso.RefundPurchaseAmount,
                RefundTime = aso.RefundTime,
                ReissueAfterSaleAmount = aso.ReissueAfterSaleAmount,
                ReissueFreight = aso.ReissueFreight,
                ReissueProductAmount = aso.ReissueProductAmount,
                ServiceId = aso.ServiceId,
                ServiceResult = aso.ServiceResult,
                ShopId = aso.ShopId,
                SkuId = aso.SkuId,
                Title = osku.Title,
                ContactName = oc.ContactName,
                Mobile = oc.Mobile,
                ItemTotal = osku.ItemTotal.Value,
                Price = osku.Price.Value,
                AfterTotalCost = aso.AfterTotalCost
            };
        }

        public AfterSaleOrderListResponse GetAfterSaleOrderList(SearchAfterSaleOrderRequest request)
        {
            var select = fsql.Select<AfterSaleOrder, OrderSku, OrderConsignee>().InnerJoin((aso, osku, oc) => aso.OrderId == osku.OrderId && aso.SkuId == osku.SkuId)
                                                                                .InnerJoin((aso, osku, oc) => aso.OrderId == oc.OrderId);
            if (!string.IsNullOrEmpty(request.ServiceId))
            {
                select = select.Where((aso, osku, o) => aso.ServiceId == request.ServiceId);
            }
            else
            {
                select = select.WhereIf(request.StartDate != null, (aso, osku, oc) => aso.ApplyTime >= request.StartDate)
                               .WhereIf(request.EndDate != null, (aso, osku, oc) => aso.ApplyTime <= request.EndDate)
                               .WhereIf(!string.IsNullOrEmpty(request.Spu), (aso, osku, oc) => aso.ProductId == request.Spu)
                               .WhereIf(!string.IsNullOrEmpty(request.Sku), (aso, osku, oc) => aso.SkuId == request.Sku)
                               .WhereIf(!string.IsNullOrEmpty(request.OrderId), (aso, osku, oc) => aso.OrderId == request.OrderId);
            }
            select = select.Where((aso, osku, oc) => aso.ShopId == request.ShopId)
                           .OrderByDescending((aso, osku, oc) => aso.ApplyTime)
                           .Count(out var total)
                           .Page(request.PageIndex, request.PageSize);

            var list = select.ToList(GetExpressionField());
            return new AfterSaleOrderListResponse()
            {
                Count = total,
                Items = list
            };
        }

        public AfterSaleOrderResponse GetAfterSaleOrderById(long afterSaleOrderId)
        {
            var response = fsql.Select<AfterSaleOrder, OrderSku, OrderConsignee>().InnerJoin((aso, osku, oc) => aso.OrderId == osku.OrderId && aso.SkuId == osku.SkuId)
                                                                                  .InnerJoin((aso, osku, oc) => aso.OrderId == oc.OrderId)
                                                                                  .Where((aso, osku, oc) => aso.Id == afterSaleOrderId)
                                                                                  .ToOne(GetExpressionField());
            return response;
        }

        public void EditAfterSaleOrder(EditAfterSaleOrderRequest editAfterSaleOrderRequest)
        {
            var afterSaleOrderList = fsql.Select<AfterSaleOrder>().Where(aso => aso.OrderId == editAfterSaleOrderRequest.OrderId).ToList();
            var dbAfterSaleOrder = afterSaleOrderList.FirstOrDefault(aso => aso.Id == editAfterSaleOrderRequest.Id);
            var dbOrder = fsql.Select<Order>(editAfterSaleOrderRequest.OrderId).ToOne();

            #region 更新当前服务单属性
            dbAfterSaleOrder.ServiceResult = editAfterSaleOrderRequest.ServiceResult;
            dbAfterSaleOrder.ProductResult = editAfterSaleOrderRequest.ProductResult;
            dbAfterSaleOrder.ProductHealth = editAfterSaleOrderRequest.ProductHealth;

            dbAfterSaleOrder.ReissueAfterSaleAmount = editAfterSaleOrderRequest.ReissueAfterSaleAmount;
            dbAfterSaleOrder.ConsumableAmount = 0M;
            dbAfterSaleOrder.DeliveryExpressFreight = 0M;
            dbAfterSaleOrder.FirstFreight = 0M;
            dbAfterSaleOrder.InStorageAmount = 0M;
            dbAfterSaleOrder.OutStorageAmount = 0M;
            dbAfterSaleOrder.RefundInStorageAmount = 0M;
            dbAfterSaleOrder.ReissueFreight = 0M;
            dbAfterSaleOrder.ReissueProductAmount = 0M;
            dbAfterSaleOrder.AfterTotalCost = 0M;

            if (dbAfterSaleOrder.ServiceResult == Model.Enums.ServiceResult.维修 ||
                dbAfterSaleOrder.ServiceResult == Model.Enums.ServiceResult.商品补发 ||
                dbAfterSaleOrder.ServiceResult == Model.Enums.ServiceResult.线下换新)
            {
                if (dbAfterSaleOrder.ServiceResult == Model.Enums.ServiceResult.商品补发)
                    dbAfterSaleOrder.ProductHealth = Model.Enums.ProductHealth.客户无退货;

                dbAfterSaleOrder.ReissueProductAmount = editAfterSaleOrderRequest.ReissueProductAmount;
                dbAfterSaleOrder.ReissueFreight = editAfterSaleOrderRequest.ReissueFreight;
            }
            else if (dbAfterSaleOrder.ServiceResult == Model.Enums.ServiceResult.退货)
            {
                if (dbAfterSaleOrder.ProductResult == Model.Enums.ProductResult.退回云仓 ||
                    dbAfterSaleOrder.ProductResult == Model.Enums.ProductResult.退回京仓)
                {

                }
            }


            if (dbAfterSaleOrder.ProductHealth == Model.Enums.ProductHealth.可二次销售)
            {
                //原sku采购成本
            }
            else if (dbAfterSaleOrder.ProductHealth == Model.Enums.ProductHealth.残次品_无法二次销售 ||
                     dbAfterSaleOrder.ProductHealth == Model.Enums.ProductHealth.客户无退货 ||
                     dbAfterSaleOrder.ProductHealth == Model.Enums.ProductHealth.破损)
            {
                dbAfterSaleOrder.RefundPurchaseAmount = 0M;
            }


            #endregion

        }
    }
}