using OfficeOpenXml.FormulaParsing.Excel.Functions.RefAndLookup;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core;
using WIDESEA_Core.BaseRepository;
using WIDESEA_Core.BaseServices;
using WIDESEA_Core.Enums;
using WIDESEA_Core.Helper;
using WIDESEA_DTO.Stock;
using WIDESEA_IBasicRepository;
using WIDESEA_IBasicService;
using WIDESEA_IOutboundRepository;
using WIDESEA_IOutboundService;
using WIDESEA_IRecordService;
using WIDESEA_IStockRepository;
using WIDESEA_IStockService;
using WIDESEA_Model.Models;
using WIDESEA_StockRepository;

namespace WIDESEA_OutboundService
{
    public partial class OutboundOrderDetailService : ServiceBase<Dt_OutboundOrderDetail, IOutboundOrderDetailRepository>, IOutboundOrderDetailService
    {
        public WebResponseContent LockOutboundStock(int orderDetailId)
        {
            Dt_OutboundOrderDetail outboundOrderDetail = BaseDal.QueryFirst(x => x.Id == orderDetailId);
            (bool, string) result = CheckDeital(outboundOrderDetail);
            if (!result.Item1) return WebResponseContent.Instance.Error(result.Item2);

            decimal needQuantity = outboundOrderDetail.OrderQuantity - outboundOrderDetail.LockQuantity;

            List<Dt_StockInfo> outStock = new List<Dt_StockInfo>();

            List<Dt_StockInfo> stockInfos = _stockService.StockInfoService.GetUseableStocks(outboundOrderDetail.MaterielCode);
            decimal stockTotalQuantity = stockInfos.Select(x => x.Details.Sum(v => v.StockQuantity - v.OutboundQuantity)).Sum(x => x);
            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 == outboundOrderDetail.MaterielCode).Sum(x => x.StockQuantity - x.OutboundQuantity);
                    if (useableStockQuantity < needQuantity)
                    {
                        outboundOrderDetail.LockQuantity += useableStockQuantity;
                        stockInfo.Details.ForEach(x => x.OutboundQuantity = x.StockQuantity);
                        needQuantity -= useableStockQuantity;
                    }
                    else
                    {
                        outboundOrderDetail.LockQuantity += needQuantity;
                        stockInfo.Details.ForEach(x =>
                        {
                            if (x.StockQuantity > x.OutboundQuantity && x.MaterielCode == outboundOrderDetail.MaterielCode)
                            {
                                if (x.StockQuantity - x.OutboundQuantity >= needQuantity)
                                {
                                    x.OutboundQuantity += needQuantity;
                                    needQuantity = 0;
                                }
                                else
                                {
                                    needQuantity -= (x.StockQuantity - x.OutboundQuantity);
                                    x.OutboundQuantity = x.StockQuantity;
                                }
                            }
                        });
                    }
                    outStock.Add(stockInfo);
                    index++;
                }
                return WebResponseContent.Instance.OK(data: new { stockInfos, outboundOrderDetail });
            }
            else
            {
                for (int i = 0; i < stockInfos.Count; i++)
                {
                    Dt_StockInfo stockInfo = stockInfos[i];
                    decimal useableStockQuantity = stockInfo.Details.Where(x => x.MaterielCode == outboundOrderDetail.MaterielCode).Sum(x => x.StockQuantity - x.OutboundQuantity);
                    if (useableStockQuantity < needQuantity)
                    {
                        outboundOrderDetail.LockQuantity += useableStockQuantity;
                        stockInfo.Details.ForEach(x => x.OutboundQuantity = x.StockQuantity);
                        needQuantity -= useableStockQuantity;
                    }
                    else
                    {
                        outboundOrderDetail.LockQuantity += needQuantity;
                        stockInfo.Details.ForEach(x =>
                        {
                            if (x.StockQuantity > x.OutboundQuantity && x.MaterielCode == outboundOrderDetail.MaterielCode)
                            {
                                if (x.StockQuantity - x.OutboundQuantity >= needQuantity)
                                {
                                    x.OutboundQuantity += needQuantity;
                                    needQuantity = 0;
                                }
                                else
                                {
                                    needQuantity -= (x.StockQuantity - x.OutboundQuantity);
                                    x.OutboundQuantity = x.StockQuantity;
                                }
                            }
                        });
                    }
                    outStock.Add(stockInfo);
                }
                return WebResponseContent.Instance.OK(data: new { stockInfos, outboundOrderDetail });
            }
        }

        private (bool, string) CheckDeital(Dt_OutboundOrderDetail outboundOrderDetail)
        {
            if (outboundOrderDetail == null)
            {
                return (false, "未找到出库单明细信息");
            }
            if (outboundOrderDetail.OrderDetailStatus != OrderDetailStatusEnum.New.ObjToInt())
            {
                return (false, "该明细不可操作");
            }
            return (true, "成功");
        }

        public (List<Dt_StockInfo>, Dt_OutboundOrderDetail, List<Dt_OutStockLockInfo>, List<Dt_LocationInfo>) AssignStockOutbound(Dt_OutboundOrderDetail outboundOrderDetail, List<StockSelectViewDTO> stockSelectViews)
        {
            (bool, string) checkResult = CheckSelectStockDeital(outboundOrderDetail, stockSelectViews);
            if (!checkResult.Item1) throw new Exception(checkResult.Item2);

            Dt_OutboundOrder outboundOrder = _outboundRepository.OutboundOrderRepository.QueryFirst(x => x.Id == outboundOrderDetail.OrderId);
            decimal originalNeedQuantity = outboundOrderDetail.OrderQuantity - outboundOrderDetail.LockQuantity;

            decimal needQuantity = originalNeedQuantity;

            List<Dt_StockInfo> outStocks = _stockService.StockInfoService.Repository.GetStockInfosByPalletCodes(stockSelectViews.Select(x => x.PalletCode).ToList());
            decimal assignQuantity = 0;
            outStocks.ForEach(x =>
            {
                x.Details.ForEach(v =>
                {
                    assignQuantity += v.StockQuantity - v.OutboundQuantity;
                });
            });

            outboundOrderDetail.LockQuantity += assignQuantity;
            needQuantity -= assignQuantity;
            outboundOrderDetail.OrderDetailStatus = OrderDetailStatusEnum.AssignOver.ObjToInt();
            if (outboundOrderDetail.OrderQuantity > outboundOrderDetail.LockQuantity)
            {
                List<Dt_StockInfo> stockInfos = _stockService.StockInfoService.GetUseableStocks(outboundOrderDetail.MaterielCode);
                stockInfos = stockInfos.Where(x => !stockSelectViews.Select(v => v.PalletCode).Contains(x.PalletCode)).ToList();
                List<Dt_StockInfo> autoAssignStocks = _stockService.StockInfoService.GetOutboundStocks(stockInfos, outboundOrderDetail.MaterielCode, needQuantity, out decimal residueQuantity);
                outboundOrderDetail.LockQuantity += needQuantity - residueQuantity;
                outStocks.AddRange(autoAssignStocks);
                if (residueQuantity > 0)
                {
                    outboundOrderDetail.OrderDetailStatus = OrderDetailStatusEnum.AssignOverPartial.ObjToInt();
                }
            }

            outStocks.ForEach(x =>
            {
                x.StockStatus = StockStatusEmun.出库锁定.ObjToInt();
                x.Details.ForEach(v =>
                {
                    v.OutboundQuantity = v.StockQuantity;
                    v.Status = StockStatusEmun.出库锁定.ObjToInt();
                });
            });
            List<Dt_OutStockLockInfo> outStockLockInfos = _outStockLockInfoService.GetOutStockLockInfos(outboundOrder, outboundOrderDetail, outStocks);

            List<Dt_LocationInfo> locationInfos = _basicService.LocationInfoService.Repository.GetLocationInfos(outStocks.Select(x => x.LocationCode).ToList());

            return (outStocks, outboundOrderDetail, outStockLockInfos, locationInfos);
        }

        public WebResponseContent LockOutboundStock(int orderDetailId, List<StockSelectViewDTO> stockSelectViews)
        {
            try
            {
                Dt_OutboundOrderDetail outboundOrderDetail = BaseDal.QueryFirst(x => x.Id == orderDetailId);
                (bool, string) checkResult = CheckSelectStockDeital(outboundOrderDetail, stockSelectViews);
                if (!checkResult.Item1) throw new Exception(checkResult.Item2);

                (List<Dt_StockInfo>, Dt_OutboundOrderDetail, List<Dt_OutStockLockInfo>, List<Dt_LocationInfo>) result = AssignStockOutbound(outboundOrderDetail, stockSelectViews);

                _unitOfWorkManage.BeginTran();
                WebResponseContent content = LockOutboundStockDataUpdate(result.Item1, new List<Dt_OutboundOrderDetail> { result.Item2 }, result.Item3, result.Item4);
                if (content.Status)
                {
                    _unitOfWorkManage.CommitTran();
                }
                else
                {
                    _unitOfWorkManage.RollbackTran();
                }
                return content;
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }

        public WebResponseContent LockOutboundStock(int[] keys)
        {
            try
            {
                List<StockSelectViewDTO> stockSelectViews = new List<StockSelectViewDTO>();
                List<Dt_StockInfo> stockInfos = new List<Dt_StockInfo>();
                List<Dt_OutboundOrderDetail> outboundOrderDetails = new List<Dt_OutboundOrderDetail>();
                List<Dt_OutStockLockInfo> outStockLockInfos = new List<Dt_OutStockLockInfo>();
                List<Dt_LocationInfo> locationInfos = new List<Dt_LocationInfo>();
                foreach (var item in keys)
                {
                    Dt_OutboundOrderDetail outboundOrderDetail = BaseDal.QueryFirst(x => x.Id == item);
                    (bool, string) checkResult = CheckSelectStockDeital(outboundOrderDetail, stockSelectViews);
                    if (!checkResult.Item1) throw new Exception(checkResult.Item2);

                    (List<Dt_StockInfo>, Dt_OutboundOrderDetail, List<Dt_OutStockLockInfo>, List<Dt_LocationInfo>) result = AssignStockOutbound(outboundOrderDetail, stockSelectViews);
                    if (result.Item1.Count > 0)
                    {
                        stockInfos.AddRange(result.Item1);
                        outboundOrderDetails.Add(result.Item2);
                        outStockLockInfos.AddRange(result.Item3);
                        locationInfos.AddRange(result.Item4);
                    }
                }

                _unitOfWorkManage.BeginTran();
                WebResponseContent content = LockOutboundStockDataUpdate(stockInfos, outboundOrderDetails, outStockLockInfos, locationInfos);
                if (content.Status)
                {
                    _unitOfWorkManage.CommitTran();
                }
                else
                {
                    _unitOfWorkManage.RollbackTran();
                }
                return content;
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }

        public WebResponseContent LockOutboundStockDataUpdate(List<Dt_StockInfo> stockInfos, List<Dt_OutboundOrderDetail> outboundOrderDetails, List<Dt_OutStockLockInfo> outStockLockInfos, List<Dt_LocationInfo> locationInfos, LocationStatusEnum locationStatus = LocationStatusEnum.Lock, List<Dt_Task>? tasks = null)
        {
            try
            {
                _stockService.StockInfoService.Repository.UpdateData(stockInfos);
                List<Dt_StockInfoDetail> stockInfoDetails = new List<Dt_StockInfoDetail>();
                foreach (var item in stockInfos)
                {
                    stockInfoDetails.AddRange(item.Details);
                }
                _stockService.StockInfoDetailService.Repository.UpdateData(stockInfoDetails);
                BaseDal.UpdateData(outboundOrderDetails);

                List<Dt_OutStockLockInfo> addOutStockLockInfos = outStockLockInfos.Where(x => x.Id == 0).ToList();
                if (addOutStockLockInfos != null && addOutStockLockInfos.Any())
                {
                    _outStockLockInfoService.Repository.AddData(addOutStockLockInfos);
                }
                List<Dt_OutStockLockInfo> updateOutStockLockInfos = outStockLockInfos.Where(x => x.Id > 0).ToList();
                if (updateOutStockLockInfos != null && updateOutStockLockInfos.Any())
                {
                    _outStockLockInfoService.Repository.UpdateData(updateOutStockLockInfos);
                }

                _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfos, locationStatus.ObjToInt(), StockChangeType.StockLock.ObjToInt(), "", tasks?.Select(x => x.TaskNum).ToList());
                _basicService.LocationInfoService.Repository.UpdateLocationStatus(locationInfos, locationStatus);
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }

        private (bool, string) CheckSelectStockDeital(Dt_OutboundOrderDetail outboundOrderDetail, List<StockSelectViewDTO> stockSelectViews)
        {
            if (outboundOrderDetail == null)
            {
                return (false, "未找到出库单明细信息");
            }
            if (outboundOrderDetail.OrderDetailStatus != OrderDetailStatusEnum.New.ObjToInt() && outboundOrderDetail.OrderDetailStatus != OrderDetailStatusEnum.AssignOverPartial.ObjToInt())
            {
                return (false, "该明细不可操作");
            }
            if (stockSelectViews.Sum(x => x.UseableQuantity) > outboundOrderDetail.OrderQuantity - outboundOrderDetail.LockQuantity)
            {
                return (false, "选择数量超出单据数量");
            }
            return (true, "成功");
        }

        public WebResponseContent RevokeLockOutboundStock(int orderDetailId)
        {
            Dt_OutboundOrderDetail outboundOrderDetail = BaseDal.QueryFirst(x => x.Id == orderDetailId);
            (bool, string) result = CheckRevoke(outboundOrderDetail);
            if (!result.Item1) return WebResponseContent.Instance.Error(result.Item2);

            List<Dt_OutStockLockInfo> outStockLockInfos = _outStockLockInfoService.GetByOrderDetailId(orderDetailId, OutStockStatus.已分配);
            if (outStockLockInfos.Count > 0)
            {
                List<Dt_StockInfo> stocks = _stockService.StockInfoService.Repository.GetStockInfosByPalletCodes(outStockLockInfos.Select(x => x.PalletCode).ToList());
                if (stocks.Count > 0)
                {
                    stocks.ForEach(x =>
                    {
                        x.StockStatus = StockStatusEmun.已入库.ObjToInt();
                        x.Details.ForEach(v =>
                        {
                            v.OutboundQuantity = 0;
                            v.Status = StockStatusEmun.已入库.ObjToInt();
                        });
                    });

                    outboundOrderDetail.OrderDetailStatus = OrderDetailStatusEnum.New.ObjToInt();
                    outboundOrderDetail.LockQuantity = outboundOrderDetail.OverOutQuantity;

                    outStockLockInfos.ForEach(x =>
                    {
                        x.Status = OutStockStatus.撤销.ObjToInt();
                    });

                    List<Dt_LocationInfo> locationInfos = _basicService.LocationInfoService.Repository.GetLocationInfos(stocks.Select(x => x.LocationCode).ToList());

                    return LockOutboundStockDataUpdate(stocks, new List<Dt_OutboundOrderDetail> { outboundOrderDetail }, outStockLockInfos, locationInfos, LocationStatusEnum.InStock);
                }
                return WebResponseContent.Instance.Error("未找到库存信息");
            }
            return WebResponseContent.Instance.Error("未找到已分配的出库信息");

        }

        private (bool, string) CheckRevoke(Dt_OutboundOrderDetail outboundOrderDetail)
        {
            if (outboundOrderDetail == null)
            {
                return (false, "未找到出库单明细信息");
            }
            if (outboundOrderDetail.OrderDetailStatus != OrderDetailStatusEnum.New.ObjToInt() && outboundOrderDetail.OrderDetailStatus != OrderDetailStatusEnum.AssignOverPartial.ObjToInt() && outboundOrderDetail.OrderDetailStatus != OrderDetailStatusEnum.AssignOver.ObjToInt())
            {
                return (false, "该明细不可操作");
            }
            return (true, "成功");
        }
    }
}