using BBWYB.Server.Model;
using BBWYB.Server.Model.Db;

namespace BBWYB.Server.Business
{
    public static class OrderStateExtension
    {
        /// <summary>
        /// 计算订单状态
        /// </summary>
        /// <param name="order"></param>
        /// <param name="orderSkuList"></param>
        /// <param name="orderPurchaseInfoList"></param>
        /// <returns></returns>
        public static void CalculationOrderState(this Order order,
                                                 IFreeSql fsql,
                                                 IList<OrderSku> orderSkuList = null,
                                                 IList<OrderPurchaseInfo> orderPurchaseInfoList = null)
        {
            if (order.OrderState == Enums.OrderState.已取消 ||
                order.OrderState == Enums.OrderState.已完成 ||
                order.OrderState == Enums.OrderState.待付款 ||
                order.OrderState == Enums.OrderState.待完结)
                return;

            if (orderSkuList == null || orderSkuList.Count() == 0)
                orderSkuList = fsql.Select<OrderSku>().Where(osku => osku.OrderId == order.Id).ToList();
            if (orderPurchaseInfoList == null || orderPurchaseInfoList.Count() == 0)
                orderPurchaseInfoList = fsql.Select<OrderPurchaseInfo>().Where(opi => opi.OrderId == order.Id && opi.IsEnabled == true).ToList();

            #region 等待采购
            if (orderPurchaseInfoList == null || orderPurchaseInfoList.Count() == 0)
            {
                order.OrderState = Enums.OrderState.等待采购;
                return;
            }
            #endregion

            #region 部分采购
            foreach (var osku in orderSkuList)
            {
                if (!orderPurchaseInfoList.Any(opi => opi.BelongSkuIds.Contains(osku.SkuId)))
                {
                    order.OrderState = Enums.OrderState.部分采购;
                    return;
                }
            }
            #endregion

            #region 待发货
            if (orderPurchaseInfoList.Count() == orderPurchaseInfoList.Count(opi => opi.OrderState == Enums.PurchaseOrderState.待发货))
            {
                order.OrderState = Enums.OrderState.待发货;
                return;
            }
            #endregion

            #region 部分发货
            if (orderPurchaseInfoList.Any(opi => opi.OrderState == Enums.PurchaseOrderState.待收货) &&
                orderPurchaseInfoList.Count(opi => opi.OrderState == Enums.PurchaseOrderState.待收货) < orderPurchaseInfoList.Count())
            {
                order.OrderState = Enums.OrderState.部分发货;
                return;
            }
            #endregion

            #region 待收货
            if (orderPurchaseInfoList.Count() == orderPurchaseInfoList.Count(opi => opi.OrderState == Enums.PurchaseOrderState.待收货))
            {
                order.OrderState = Enums.OrderState.待收货;
                return;
            }
            #endregion

            #region 部分收货
            if (orderPurchaseInfoList.Any(opi => opi.OrderState == Enums.PurchaseOrderState.已签收) &&
             orderPurchaseInfoList.Count(opi => opi.OrderState == Enums.PurchaseOrderState.已签收) < orderPurchaseInfoList.Count())
            {
                order.OrderState = Enums.OrderState.部分收货;
                return;
            }
            #endregion

            #region 打包中
            if (orderPurchaseInfoList.Count() == orderPurchaseInfoList.Count(opi => opi.OrderState == Enums.PurchaseOrderState.已签收))
            {
                order.OrderState = Enums.OrderState.打包中;
                return;
            }
            #endregion
        }
    }
}