using AutoMapper;
using WIDESEA_Common.StockEnum;
using WIDESEA_Core.BaseRepository;
using WIDESEA_Core.BaseServices;
using WIDESEA_IBasicService;
using WIDESEA_IRecordService;
using WIDESEA_IStockService;
using WIDESEA_Model.Models;

namespace WIDESEA_StockService
{
    public partial class StockInfoService : ServiceBase<Dt_StockInfo, IRepository<Dt_StockInfo>>, IStockInfoService
    {
        private readonly IMapper _mapper;

        private readonly IRecordService _recordService;
        public IRepository<Dt_StockInfo> Repository => BaseDal;
        private readonly IRepository<Dt_StockInfoDetail> _stockInfoDetailRepository;

        private readonly ILocationInfoService _locationInfoService;
        public StockInfoService(IRepository<Dt_StockInfo> BaseDal, IMapper mapper, IRepository<Dt_StockInfoDetail> stockInfoDetailRepository, IRecordService recordService, ILocationInfoService locationInfoService) : base(BaseDal)
        {
            _mapper = mapper;
            _stockInfoDetailRepository = stockInfoDetailRepository;
            _recordService = recordService;
            _locationInfoService = locationInfoService;
        }

        /// <summary>
        /// 根据托盘号查询库存
        /// </summary>
        /// <param name="palletCode"></param>
        /// <returns></returns>
        public Dt_StockInfo? GetStockByPalletCode(string palletCode)
        {
            Dt_StockInfo stockInfo = BaseDal.QueryFirst(x => x.PalletCode == palletCode);
            if (stockInfo != null)
            {
                stockInfo.Details = _stockInfoDetailRepository.QueryData(x => x.StockId == stockInfo.Id);
            }
            return stockInfo;
        }


        public void AddMaterielGroup(Dt_StockInfo stockInfo)
        {
            decimal beforeQuantity = 0;
            List<Dt_StockInfoDetail> details = new List<Dt_StockInfoDetail>();
            if (stockInfo.Id == 0)
            {
                if (stockInfo.Details != null && stockInfo.Details.Any())
                {
                    BaseDal.Db.InsertNav(stockInfo).Include(x => x.Details).ExecuteCommand();
                }
                else
                {
                    BaseDal.AddData(stockInfo);
                }
                details = stockInfo.Details;
            }
            else
            {
                beforeQuantity = stockInfo.Details.Where(x => x.Id != 0).Sum(x => x.StockQuantity);

                for (int i = 0; i < stockInfo.Details.Count; i++)
                {
                    if (stockInfo.Details[i].Id == 0)
                    {
                        details.Add(_stockInfoDetailRepository.Db.Insertable(stockInfo.Details[i]).ExecuteReturnEntity());
                    }

                }

            }
            stockInfo.Details = details;
            _recordService.StockQuantityChangeRecordService.AddStockChangeRecord(stockInfo, stockInfo.Details, beforeQuantity, stockInfo.Details.Sum(x => x.StockQuantity) + beforeQuantity, WIDESEA_Common.StockEnum.StockChangeType.MaterielGroup);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="stockInfos"></param>
        /// <param name="materielCode"></param>
        /// <param name="needQuantity"></param>
        /// <param name="residueQuantity"></param>
        /// <returns></returns>
        public List<Dt_StockInfo> GetOutboundStocks(List<Dt_StockInfo> stockInfos, string materielCode, decimal needQuantity, out decimal residueQuantity)
        {
            List<Dt_StockInfo> outStocks = new List<Dt_StockInfo>();
            var stockTotalQuantity = stockInfos.Select(x => x.Details.Sum(v => v.StockQuantity - v.OutboundQuantity)).Sum(x => x);
            //stockInfos = stockInfos.OrderBy(x => x.Id).ToList();
            if (stockTotalQuantity >= needQuantity)//库存够
            {
                int index = 0;
                while (needQuantity > 0)
                {
                    Dt_StockInfo stockInfo = stockInfos[index];
                    // 计算可用库存时转换为decimal
                    decimal useableStockQuantity = stockInfo.Details
                        .Where(x => x.MaterielCode == materielCode)
                        .Sum(x => (decimal)x.StockQuantity - (decimal)x.OutboundQuantity);

                    // 将needQuantity转换为decimal进行比较
                    if (useableStockQuantity < (decimal)needQuantity && useableStockQuantity > 0)
                    {
                        stockInfo.Details.ForEach(x =>
                            x.OutboundQuantity = x.StockQuantity);

                        // 使用decimal进行计算后再转回float
                        needQuantity =   needQuantity - useableStockQuantity;
                    }
                    else
                    {
                        stockInfo.Details.ForEach(x =>
                        {
                            if (x.StockQuantity > x.OutboundQuantity && x.MaterielCode == materielCode)
                            {
                                // 将相关值转换为decimal进行精确计算
                                decimal currentStock = (decimal)x.StockQuantity;
                                decimal currentOutbound = (decimal)x.OutboundQuantity;
                                decimal currentNeed = (decimal)needQuantity;
                                decimal available = currentStock - currentOutbound;

                                if (available >= currentNeed)
                                {
                                    x.OutboundQuantity = currentOutbound + currentNeed;
                                    needQuantity = 0;
                                }
                                else
                                {
                                    needQuantity =currentNeed - available;
                                    x.OutboundQuantity = x.StockQuantity;
                                }
                            }
                        });
                    }
                    outStocks.Add(stockInfo);
                    index++;
                }

            }
            else
            {
                throw new Exception("库存不足");
            }
            residueQuantity = needQuantity;
            return outStocks;
        }

        public List<Dt_StockInfo> GetStockInfos(string materielCode, string lotNo, List<string> locationCodes)
        {
            List<Dt_StockInfo> stockInfos = null;
            if (!string.IsNullOrEmpty(lotNo))
            {
                var stockSort = Db.Queryable<Dt_StockInfo>().Where(x => locationCodes.Contains(x.LocationCode)).Includes(x => x.Details).Where(x => x.Details.Any(v => v.MaterielCode == materielCode && v.BatchNo == lotNo)).ToList();
                stockInfos = stockSort.OrderBy(x => x.Details.FirstOrDefault()?.EffectiveDate).ThenBy(x => x.Details.Sum(v => v.StockQuantity)).ToList();
            }
            else
            {
                var stockSort = Db.Queryable<Dt_StockInfo>().Where(x => locationCodes.Contains(x.LocationCode)).Includes(x => x.Details).Where(x => x.Details.Any(v => v.MaterielCode == materielCode)).ToList();
                stockInfos = stockSort.OrderBy(x => x.Details.FirstOrDefault()?.EffectiveDate).ThenBy(x => x.Details.Sum(v => v.StockQuantity)).ToList();
            }

            return stockInfos;
            //ISugarQueryable<Dt_LocationInfo> sugarQueryable = Db.Queryable<Dt_LocationInfo>().Where(x => locationCodes.Contains(x.LocationCode));
            //ISugarQueryable<Dt_StockInfo> sugarQueryable1 = Db.Queryable<Dt_StockInfo>().Includes(x => x.Details).Where(x => x.Details.Any(v => v.MaterielCode == materielCode));
            //return sugarQueryable.InnerJoin(sugarQueryable1, (a, b) => a.LocationCode == b.LocationCode).Select((a, b) => b).OrderBy(a => a.CreateDate).Includes(a => a.Details).ToList();
        }

        public List<Dt_StockInfo> GetUseableStocks(string materielCode, string batchNo)
        {
            List<string> locationCodes = _locationInfoService.GetCanOutLocationCodes();

            return GetStockInfos(materielCode, batchNo, locationCodes);
        }
    }
}