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

namespace JSMachine.WMS.Business.StockIn.ServiceImpl.ResponsibilityChain
{
    /// <summary>
    /// 和其他不同批次的货物混合放置
    /// </summary>
    public class StockInByMixing : 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> wareHousesSorted = storageRacks.OrderBy(p => p.AreaNumSort).ToList();

            IEnumerable<IGrouping<long, StorageRackDto>> groupByColumn = wareHousesSorted.GroupBy(p => p.ReservoirAreaColumnId);

            StorageRackDto destStorageRack = null;
            foreach (var columnGroup in groupByColumn)
            {
                bool unlockedColumn = columnGroup.All(p => !p.IsLock);
                if (unlockedColumn)
                {
                    destStorageRack = columnGroup
                        .Where(p => string.IsNullOrEmpty(p.BarCode))
                        .OrderByDescending(p => p.NumSort)
                        .FirstOrDefault();

                    if (destStorageRack != null)
                        break;
                }
            }

            if (destStorageRack == null && startArea != TransportEnum.TransitArea)
            {
                destStorageRack = await _storageRackService.GetUsableTransferStorageRack();

                if (destStorageRack == null)
                {
                    LogHelper.Warn($"存储区和中转区均无可用的库位");
                }
            }

            return destStorageRack;
        }
    }
}