using AutoMapper;
using MailKit.Search;
using OfficeOpenXml.FormulaParsing.Excel.Functions.RefAndLookup;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core;
using WIDESEA_Core.BaseServices;
using WIDESEA_Core.Enums;
using WIDESEA_Core.Helper;
using WIDESEA_DTO.Stock;
using WIDESEA_IBasicRepository;
using WIDESEA_IOutboundRepository;
using WIDESEA_IRecordRepository;
using WIDESEA_IRecordService;
using WIDESEA_IStockRepository;
using WIDESEA_IStockService;
using WIDESEA_Model.Models;

namespace WIDESEA_StockService
{
    public partial class StockInfoService : ServiceBase<Dt_StockInfo, IStockInfoRepository>, IStockInfoService
    {
        private readonly IMapper _mapper;
        private readonly IBasicRepository _basicRepository;
        private readonly IOutboundRepository _outboundRepository;

        public IStockInfoRepository Repository => BaseDal;

        public StockInfoService(IStockInfoRepository BaseDal, IMapper mapper, IBasicRepository basicRepository, IOutboundRepository outboundRepository) : base(BaseDal)
        {
            _mapper = mapper;
            _basicRepository = basicRepository;
            _outboundRepository = outboundRepository;
        }

        public List<StockSelectViewDTO> GetStockSelectViews(int orderId, string materielCode)
        {
            try
            {
                Dt_OutboundOrder outboundOrder = _outboundRepository.OutboundOrderRepository.QueryFirst(x => x.Id == orderId);
                if (outboundOrder == null)
                {
                    throw new Exception($"未找到出库单信息");
                }

                List<string> locationCodes = _basicRepository.LocationInfoRepository.GetCanOutLocationCodes(outboundOrder.WarehouseId);

                return BaseDal.QueryTabs<Dt_StockInfo, Dt_StockInfoDetail, StockSelectViewDTO>((a, b) => a.Id == b.StockId, (a, b) => new StockSelectViewDTO
                {
                    LocationCode = a.LocationCode,
                    MaterielCode = b.MaterielCode,
                    MaterielName = b.MaterielName,
                    PalletCode = a.PalletCode,
                    UseableQuantity = b.StockQuantity - b.OutboundQuantity
                }, a => locationCodes.Contains(a.LocationCode), b => b.StockQuantity > b.OutboundQuantity && b.MaterielCode == materielCode, x => true).GroupBy(x => x.PalletCode).Select(x => new StockSelectViewDTO
                {
                    LocationCode = x.FirstOrDefault()?.LocationCode ?? "",
                    MaterielCode = x.FirstOrDefault()?.MaterielCode ?? "",
                    MaterielName = x.FirstOrDefault()?.MaterielName ?? "",
                    PalletCode = x.Key,
                    UseableQuantity = x.Sum(x => x.UseableQuantity)
                }).ToList();
            }
            catch (Exception ex)
            {
                return null;
            }

        }
        public WebResponseContent StockQueryData(SaveModel saveModel)
        {
            try
            {
                var barcode = saveModel.MainData["barcode"].ToString();
                var warehouseId = saveModel.MainData["warehouseId"].ObjToInt();
                Dt_StockInfo stockInfo = BaseDal.Db.Queryable<Dt_StockInfo>().Where(x => x.PalletCode == barcode && x.WarehouseId == warehouseId).Includes(x => x.Details).First();
                if (stockInfo == null) throw new Exception("未找到托盘信息");
                return WebResponseContent.Instance.OK(data: stockInfo);
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }
        /// <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, float needQuantity, out float residueQuantity)
        {
            List<Dt_StockInfo> outStocks = new List<Dt_StockInfo>();
            float 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];
                    float useableStockQuantity = stockInfo.Details.Where(x => x.MaterielCode == materielCode).Sum(x => x.StockQuantity - x.OutboundQuantity);
                    if (useableStockQuantity < needQuantity)
                    {
                        stockInfo.Details.ForEach(x => x.OutboundQuantity = x.StockQuantity);
                        needQuantity -= useableStockQuantity;
                    }
                    else
                    {
                        stockInfo.Details.ForEach(x =>
                        {
                            if (x.StockQuantity > x.OutboundQuantity && x.MaterielCode == materielCode)
                            {
                                if (x.StockQuantity - x.OutboundQuantity >= needQuantity)
                                {
                                    x.OutboundQuantity += needQuantity;
                                    needQuantity = 0;
                                }
                                else
                                {
                                    needQuantity -= (x.StockQuantity - x.OutboundQuantity);
                                    x.OutboundQuantity = x.StockQuantity;
                                }
                            }
                        });
                    }
                    outStocks.Add(stockInfo);
                    index++;
                }
            }
            else
            {
                for (int i = 0; i < stockInfos.Count; i++)
                {
                    Dt_StockInfo stockInfo = stockInfos[i];
                    float useableStockQuantity = stockInfo.Details.Where(x => x.MaterielCode == materielCode).Sum(x => x.StockQuantity - x.OutboundQuantity);
                    if (useableStockQuantity < needQuantity)
                    {
                        stockInfo.Details.ForEach(x => x.OutboundQuantity = x.StockQuantity);
                        needQuantity -= useableStockQuantity;
                    }
                    else
                    {
                        stockInfo.Details.ForEach(x =>
                        {
                            if (x.StockQuantity > x.OutboundQuantity && x.MaterielCode == materielCode)
                            {
                                if (x.StockQuantity - x.OutboundQuantity >= needQuantity)
                                {
                                    x.OutboundQuantity += needQuantity;
                                    needQuantity = 0;
                                }
                                else
                                {
                                    needQuantity -= (x.StockQuantity - x.OutboundQuantity);
                                    x.OutboundQuantity = x.StockQuantity;
                                }
                            }
                        });
                    }
                    outStocks.Add(stockInfo);
                }
            }
            residueQuantity = needQuantity;
            return outStocks;
        }

        public List<Dt_StockInfo> GetUseableStocks(string materielCode, string batchNo, int warehoseId)
        {
            List<string> locationCodes = _basicRepository.LocationInfoRepository.GetCanOutLocationCodes(warehoseId);

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