using Kean.Domain.Task.Models;
using Kean.Domain.Task.Repositories;
using System.Linq;
using System.Threading.Tasks;

namespace Kean.Domain.Task.Strategies
{
    /// <summary>
    /// 简单上架策略
    /// </summary>
    public sealed class InfeedStrategy_Simple : InfeedStrategy
    {
        private readonly IWarehouseRepository _warehouseRepository; // 库房仓库

        /// <summary>
        /// 依赖注入
        /// </summary>
        public InfeedStrategy_Simple(
            IWarehouseRepository warehouseRepository)
        {
            _warehouseRepository = warehouseRepository;
        }

        /*
         * 实现 Kean.Domain.Task.Strategies.InfeedStrategy.AutoDestination 方法
         */
        public override async Task<Cell> AutoDestination(string pallet, Station original, int? spec, int? goodsid)
        {
            return (await _warehouseRepository.GetFreeCell(original.Device, spec, pallet, goodsid))
                ?.FirstOrDefault();
        }
    }
}