using AutoMapper;
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_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
    {
        public Dt_StockInfo? GetStockByPalletCode(string palletCode)
        {
            Dt_StockInfo stockInfo = BaseDal.QueryFirst(x => x.PalletCode == palletCode);
            if (stockInfo != null)
            {
                stockInfo.Details = _stockRepository.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)
            {
                BaseDal.Db.InsertNav(stockInfo).Include(x => x.Details).ExecuteCommand();
                //stockQuantityChangeRecords = _mapper.Map<List<Dt_StockQuantityChangeRecord>>(stockInfo.Details);
                //stockQuantityChangeRecords.ForEach(x =>
                //{
                //    x.PalleCode = stockInfo.PalletCode;
                //    x.BeforeQuantity = 0;
                //    x.ChangeQuantity = x.AfterQuantity - x.BeforeQuantity;
                //    x.ChangeType = StockChangeType.MaterielGroup.ObjToInt();
                //});
                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(_stockRepository.StockInfoDetailRepository.Db.Insertable(stockInfo.Details[i]).ExecuteReturnEntity());
                    }

                }

                //stockQuantityChangeRecords = _mapper.Map<List<Dt_StockQuantityChangeRecord>>(stockInfo.Details);
                //int index = 0;
                //stockQuantityChangeRecords.ForEach(x =>
                //{
                //    x.PalleCode = stockInfo.PalletCode;
                //    x.BeforeQuantity = 0;
                //    x.ChangeQuantity = x.AfterQuantity - x.BeforeQuantity;
                //    x.ChangeType = StockChangeType.MaterielGroup.ObjToInt();
                //    x.StockDetailId = 
                //    index++;
                //});
            }
            //_stockQuantityChangeRecordRepository.AddData(stockQuantityChangeRecords);
            if (details.Count > 0)
            {
                stockInfo.Details = details;
                _recordService.StockQuantityChangeRecordService.AddStockChangeRecord(stockInfo, stockInfo.Details, beforeQuantity, stockInfo.Details.Sum(x => x.StockQuantity) + beforeQuantity, StockChangeType.MaterielGroup);
            }
            else
            {
                details = stockInfo.Details;
                _stockRepository.StockInfoDetailRepository.UpdateData(details);
            }
        }

        public List<Dt_StockInfo> GetUseableStocks(string materielCode)
        {
            List<string> roadways = _basicRepository.RoadwayInfoRepository.CanOutRoadwayNos;

            List<int> warehouseIds = _basicRepository.WarehouseRepository.EnableWarehouseIds;

            List<int> areaIds = _basicRepository.AreaInfoRepository.GetEnableAreaIds(warehouseIds);

            List<string> locationCodes = _basicRepository.LocationInfoRepository.GetCanOutLocationCodes(roadways, areaIds);

            return BaseDal.GetStockInfos(materielCode, locationCodes);
        }
        /// <summary>
        /// 获取指定物料库存信息
        /// </summary>
        /// <param name="materielCode"></param>
        /// <returns></returns>
        public List<StockSelectViewDTO> GetStockSelectViews(string materielCode)
        {
            List<string> roadways = _basicRepository.RoadwayInfoRepository.CanOutRoadwayNos;

            List<int> warehouseIds = _basicRepository.WarehouseRepository.EnableWarehouseIds;

            List<int> areaIds = _basicRepository.AreaInfoRepository.GetEnableAreaIds(warehouseIds);

            List<string> locationCodes = _basicRepository.LocationInfoRepository.GetCanOutLocationCodes(roadways, areaIds);

            #region 按物料数量查询
            //var StockSelectViewDTOs = 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.Status == StockStatusEmun.已入库.ObjToInt() && 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();
            #endregion

            #region 按批号和托盘数量查询
            //StockSelectViewDTOs = 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,
            //    BatchNo = b.BatchNo,
            //    UseableQuantity = 1
            //}, a => locationCodes.Contains(a.LocationCode), b => b.StockQuantity > b.OutboundQuantity && b.Status == StockStatusEmun.已入库.ObjToInt() && 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 ?? "",
            //    BatchNo = x.FirstOrDefault()?.BatchNo ?? "",
            //    PalletCode = x.Key,
            //    UseableQuantity = x.Sum(x => x.UseableQuantity)
            //}).ToList();
            #endregion

            #region 查询物料库存按批号分组
            var StockSelectViewDTOs = BaseDal.QueryTabs<Dt_StockInfo, Dt_StockInfoDetail, StockSelectViewDTO>((a, b) => a.Id == b.StockId, (a, b) => new StockSelectViewDTO
            {
                MaterielCode = b.MaterielCode,
                MaterielName = b.MaterielName,
                BatchNo = b.BatchNo,
            }, a => locationCodes.Contains(a.LocationCode), b => b.StockQuantity > b.OutboundQuantity && b.Status == StockStatusEmun.已入库.ObjToInt() && b.MaterielCode == materielCode, x => true).GroupBy(x => x.BatchNo).Select(x => new StockSelectViewDTO
            {
                MaterielCode = x.FirstOrDefault()?.MaterielCode ?? "",
                MaterielName = x.FirstOrDefault()?.MaterielName ?? "",
                BatchNo = x.Key,
                UseableQuantity = x.Count()
            }).ToList();
            #endregion
            return StockSelectViewDTOs;
        }
        /// <summary>
        /// 计算库存
        /// </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>();
            #region 
            if (stockInfos.Count >= needQuantity)//库存够
            {
                foreach (var item in stockInfos.OrderBy(x => x.InDate).ToList().GroupBy(x => x.LocationCode))
                {
                    if (item.Count() <= needQuantity && needQuantity > 0)
                    {
                        outStocks.AddRange(item);
                        needQuantity -= item.Count();
                    }
                    else if (needQuantity > 0)
                    {
                        outStocks.Add(item.OrderByDescending(x => x.InDate).First());
                        needQuantity -= 1;
                    }
                }

            }
            else
            {
                outStocks = stockInfos;
                needQuantity -= stockInfos.Count();
            }
            residueQuantity = needQuantity;
            #endregion

            #region 按库存上托盘数量计算
            //decimal 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];
            //        decimal 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];
            //        decimal 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;
            #endregion

            return outStocks;
        }
    }
}