using JSMachine.WMS.App.Dto;
using JSMachine.WMS.App.Dto.Enum;
using JSMachine.WMS.Infrastructure.Helper;
using NPOI.SS.Formula.Functions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace JSMachine.WMS.Business.StockIn.ServiceImpl.ResponsibilityChain
{
    /// <summary>
    /// 放置在一个空白列列上
    /// </summary>
    public class StockInByNew : StockInHandler
    {
        public override async Task<StorageRackDto> CalculateWarehouse(
            TransportEnum startArea, 
            FloorEnum floor, 
            string materialBatch, 
            List<StorageRackDto> storageRacks)
        {
            if (storageRacks.IsNullOrEmpty())
            {
                storageRacks = await base.GetStorageRackExceptStockout(floor);
            }

            if (storageRacks.IsNullOrEmpty())
            {
                LogHelper.Info("没有可用库位");
                return null;
            }

            List<StorageRackDto> storageRacksSorted = storageRacks
                .OrderBy(p => p.AreaNumSort)
                .ThenBy(p => p.ReservoirAreaColumnId).ToList();

            var groupByColumn = storageRacksSorted.GroupBy(p => p.ReservoirAreaColumnId);

            StorageRackDto destWarehouse = null;
            foreach (IGrouping<long, StorageRackDto> column in groupByColumn)
            {
                if (column.All(p => p.IsEmpty()))
                {
                    destWarehouse = column.OrderByDescending(p => p.NumSort).First();
                    break;
                }
            }

            if (destWarehouse == null)
            {
                return await HandleByNext(startArea, floor,materialBatch, storageRacksSorted);
            }
            else
            {
                return destWarehouse;
            }
        }
    }
}