using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core.Enums;
using WIDESEA_Core;
using WIDESEA_Model.Models;
using WIDESEA_Core.Helper;
using WIDESEAWCS_DTO.WCSInfo;
using System.Transactions;

namespace WIDESEA_TaskInfoService
{
    public partial class TaskService
    {
        /// <summary>
        /// PDA申请入库--堆垛机立库入库
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="taskType">任务类型--入空，入料</param>
        /// <param name="palletCode">托盘编号</param>
        /// <returns>返回处理结果</returns>
        public WebResponseContent GenerateInboundTask(string stationCode, int taskType, string palletCode)
        {
            string? name = Enum.GetName(typeof(TaskTypeEnum), taskType);
            MethodInfo? methodInfo = GetType().GetMethod(name + "Request");
            if (methodInfo != null)
            {
                WebResponseContent? responseContent = (WebResponseContent?)methodInfo.Invoke(this, new object[] { stationCode, palletCode });
                if (responseContent != null)
                {
                    return responseContent;
                }
            }
            else
            {
                return WebResponseContent.Instance.Error("未找到该任务类型业务");
            }
            return WebResponseContent.Instance.Error("错误");
        }

        /// <summary>
        /// 空托盘入库
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="palletCode">托盘编号</param>
        /// <returns>返回处理结果</returns>
        public WebResponseContent PalletInboundRequest(string stationCode, string palletCode)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                (bool, string) result = CheckRequestInbound(stationCode, palletCode, false);
                if (!result.Item1) return content = WebResponseContent.Instance.Error(result.Item2);
                content = AssignLocUpdateData(stationCode, TaskTypeEnum.PalletInbound.ObjToInt(), palletCode, false);
            }
            catch (Exception ex)
            {
                content = WebResponseContent.Instance.Error(ex.Message);
            }
            return content;
        }

        /// <summary>
        /// 物料入库
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="palletCode">托盘编号</param>
        /// <returns>返回处理结果</returns>
        public WebResponseContent InboundRequest(string stationCode, string palletCode)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.GetStockInfo(palletCode);
                (bool, string) result = CheckRequestInbound(stationCode, palletCode, true, stockInfo);
                if (!result.Item1) return content = WebResponseContent.Instance.Error(result.Item2);
                content = AssignLocUpdateData(stationCode, TaskTypeEnum.Inbound.ObjToInt(), palletCode, true, stockInfo);
            }
            catch (Exception ex)
            {
                content = WebResponseContent.Instance.Error(ex.Message);
            }
            return content;
        }

        /// <summary>
        /// 入库分配货位及处理数据
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="taskType">任务类型</param>
        /// <param name="palletCode">托盘编号</param>
        /// <param name="isUpdateStock">是否更新组盘信息--区分物料入库和空托入库</param>
        /// <param name="stockInfo">组盘信息--可空</param>
        /// <param name="orderNo">订单号--可空</param>
        /// <returns>返回处理结果</returns>
        private WebResponseContent AssignLocUpdateData(string stationCode, int taskType, string palletCode, bool isUpdateStock = true, Dt_StockInfo? stockInfo = null, string orderNo = "")
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                Dt_LocationInfo? locationInfo = _basicService.LocationInfoService.AssignLocation(stationCode, taskType);
                if (locationInfo != null)
                {
                    Dt_Task task = new()
                    {
                        CurrentAddress = stationCode,
                        Grade = 0,
                        PalletCode = palletCode,
                        NextAddress = locationInfo.LocationCode,
                        Roadway = locationInfo.RoadwayNo,
                        SourceAddress = stationCode,
                        TargetAddress = locationInfo.LocationCode,
                        TaskState = InTaskStatusEnum.InNew.ObjToInt(),
                        TaskType = taskType,
                    };
                    BaseDal.AddData(task);
                    int beforeStatus = locationInfo.LocationStatus;

                    locationInfo.LocationStatus = LocationStatusEnum.PalletLock.ObjToInt();
                    if (isUpdateStock)
                    {
                        locationInfo.LocationStatus = LocationStatusEnum.OutLock.ObjToInt();
                        if (stockInfo != null && stockInfo.Details != null && stockInfo.Details.Count > 0)
                        {
                            orderNo = stockInfo.Details.FirstOrDefault()?.OrderNo ?? "";

                            stockInfo.StockStatus = StockStatusEmun.入库确认.ObjToInt();
                            _stockService.StockInfoService.Repository.UpdateData(stockInfo);
                        }
                        else
                        {
                            return content = WebResponseContent.Instance.Error("未找到库存信息");
                        }
                    }
                    _basicService.LocationInfoService.Repository.UpdateData(locationInfo);
                    _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfo, beforeStatus, StockChangeType.Inbound.ObjToInt(), orderNo, task.TaskNum);

                    return content = WebResponseContent.Instance.OK();
                }
                return content = WebResponseContent.Instance.Error("未找到可分配货位");
            }
            catch (Exception ex)
            {
                content = WebResponseContent.Instance.Error(ex.Message);
            }
            return content;
        }

        /// <summary>
        /// 堆垛机申请入库
        /// </summary>
        /// <param name="task"></param>
        /// <returns></returns>
        public WebResponseContent StackerCraneRequestInbound(ConveyorLineDTO lineDTO)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                Dt_RoadwayInfo roadwayInfo = _basicRepository.RoadwayInfoRepository.QueryFirst(x => x.InStationCode == lineDTO.stationCode) ?? throw new Exception("未找到该站台对应的巷道，请检查基础配置信息");
                if (roadwayInfo.EnableStatus != EnableStatusEnum.Normal.ObjToInt() && roadwayInfo.EnableStatus != EnableStatusEnum.OnlyIn.ObjToInt())
                {
                    throw new Exception("该巷道不可入库，请检查巷道禁用信息");
                }
                if (roadwayInfo.AreaId > 0)
                {
                    Dt_AreaInfo areaInfo = _basicRepository.AreaInfoRepository.QueryFirst(x => x.Id == roadwayInfo.AreaId);
                    if (areaInfo != null && areaInfo.AreaStatus == EnableEnum.Disable.ObjToInt())
                    {
                        throw new Exception("区域被禁用，不可入库");
                    }
                }
                var task = BaseDal.QueryFirst(x => x.PalletCode == lineDTO.Barcode);
                if (task == null) throw new Exception($"未找到托盘号[{lineDTO.Barcode}]的入库任务");
                if (task.TaskState >= (int)InTaskStatusEnum.SC_InExecuting) throw new Exception($"托盘号[{lineDTO.Barcode}]的入库任务状态不匹配");

                Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.GetStockInfo(lineDTO.Barcode);
                if (stockInfo == null) throw new Exception($"未找到托盘[{lineDTO.Barcode}]的组盘信息");
                Dt_StockInfoDetail? stockInfoDetail = stockInfo.Details.Where(x => x.StockId == stockInfo.Id).FirstOrDefault();
                if (stockInfoDetail == null) throw new Exception($"未找到托盘[{lineDTO.Barcode}]的组盘详情");
                if (stockInfo.StockStatus != StockStatusEmun.入库确认.ObjToInt() || !string.IsNullOrEmpty(stockInfo.LocationCode))
                    throw new Exception($"托盘[{lineDTO.Barcode}],该组盘状态不可入库");

                Dt_InboundOrder inboundOrder = _inboundService.InbounOrderService.GetInboundOrder(stockInfoDetail.OrderNo);
                if (inboundOrder == null) throw new Exception($"未找到托盘[{lineDTO.Barcode}]的入库单信息");

                #region 判断是否指定货位
                Dt_InboundOrderDetail? orderDetail = inboundOrder.Details.FirstOrDefault(x => x.BatchNo == stockInfoDetail.BatchNo);
                if (orderDetail == null) throw new Exception($"未找到托盘[{lineDTO.Barcode}]的入库单明细信息");
                Dt_LocationInfo? locationInfo = null;
                if (!string.IsNullOrEmpty(orderDetail.LocationCode))
                {
                    locationInfo = _basicService.LocationInfoService.GetLocation(orderDetail.LocationCode);
                }
                #endregion

                #region 判断当前入库托盘批次号是否存在已分配入库
                else
                {
                    Dt_StockInfo? instockInfo = null;
                    Dt_StockInfoDetail instockInfoDetail = _stockService.StockInfoDetailService.Get_StockInfoDetail(stockInfoDetail.OrderNo, stockInfoDetail.BatchNo);
                    if (instockInfoDetail != null) instockInfo = _stockService.StockInfoService.Repository.GetStockInfo(instockInfoDetail.StockId);
                    if (instockInfo != null)
                    {
                        locationInfo = _basicService.LocationInfoService.GetLocation(instockInfo.LocationCode);
                        if (locationInfo.MaxQty <= locationInfo.CurrentQty) locationInfo = null;
                    }
                    #endregion
                    else
                    {
                        instockInfoDetail = _stockService.StockInfoDetailService.Get_StockInfoDetail(stockInfoDetail.OrderNo);//入库单存在库存，判断货位
                        if (instockInfoDetail != null) instockInfo = _stockService.StockInfoService.Repository.GetStockInfo(instockInfoDetail.StockId);
                        if (instockInfo != null)
                        {
                            locationInfo = _basicService.LocationInfoService.GetLocation(instockInfo.LocationCode);//查询已存在库存货位状态
                            #region MyRegion
                            //if (locationInfo.MaxQty == 12)
                            //{
                            //    locationInfo.EnableStatus = EnableStatusEnum.OnlyOut.ObjToInt();
                            //    _basicService.LocationInfoService.Repository.UpdateData(locationInfo);
                            //    locationInfo = null;
                            //}
                            //if (locationInfo.EnableStatus == EnableStatusEnum.OnlyOut.ObjToInt()) locationInfo = null; 
                            #endregion
                            if (locationInfo.LocationStatus > LocationStatusEnum.Inbounding.ObjToInt()) locationInfo = null;

                            else
                            {
                                #region 判断货位
                                if (locationInfo.Row == 1)//外侧货位，判断内侧货位
                                {
                                    var newLocation = Db.Queryable<Dt_LocationInfo>().Where(x => x.LocationCode != locationInfo.LocationCode && x.Remark == locationInfo.Remark).First();
                                    if (newLocation != null)
                                    {
                                        if (newLocation.LocationStatus == LocationStatusEnum.Free.ObjToInt() &&
                                            (newLocation.EnableStatus == EnableStatusEnum.OnlyIn.ObjToInt() ||
                                            newLocation.EnableStatus == EnableStatusEnum.Normal.ObjToInt()))
                                        {
                                            locationInfo = newLocation;
                                        }
                                    }
                                }
                                #endregion
                                //List<Dt_StockInfoDetail> stockInfoDetails = _stockService.StockInfoDetailService.Get_StockInfoDetails(stockInfoDetail.OrderNo);//获取工单所有已入库或入库中库存
                                //if (stockInfoDetails.GroupBy(x => x.BatchNo).Count() < 2) locationInfo.EnableStatus = EnableStatusEnum.OnlyOut.ObjToInt();
                                //else locationInfo = null;
                            }
                            //if (locationInfo?.MaxQty <= locationInfo?.CurrentQty) locationInfo = null;
                        }
                    }

                    if (locationInfo == null)//分配新货位
                    {
                        int inboundOrderCount = inboundOrder.Details.Count;
                        List<Dt_StockInfoDetail> stockInfoDetails = _stockService.StockInfoDetailService.Get_StockInfoDetails(stockInfoDetail.OrderNo);//获取工单所有已入库或入库中库存
                        if (stockInfoDetails != null || stockInfoDetails.Count > 0) inboundOrderCount -= stockInfoDetails.GroupBy(x => x.BatchNo).Count();
                        locationInfo = _basicService.LocationInfoService.AssignLocation(inboundOrderCount);//重新分配货位
                    }
                }


                if (locationInfo == null) throw new Exception($"无可入货位");

                #region 修改库存及货位信息
                task.TaskState = (int)InTaskStatusEnum.SC_InExecuting;
                task.CurrentAddress = task.NextAddress;
                task.NextAddress = locationInfo.LocationCode;//使用货位备注字段，对应堆垛机排列层
                task.TargetAddress = task.NextAddress;
                task.IsPickPlace = locationInfo.MaxQty - locationInfo.CurrentQty == 1;
                stockInfo.LocationCode = locationInfo.LocationCode;
                stockInfo.StockStatus = StockStatusEmun.入库中.ObjToInt();
                stockInfoDetail.Status = StockStatusEmun.入库中.ObjToInt();
                locationInfo.CurrentQty++;
                if (locationInfo.MaxQty < locationInfo.CurrentQty) throw new Exception();
                if (locationInfo.MaxQty == 12) locationInfo.EnableStatus = EnableStatusEnum.OnlyOut.ObjToInt();
                locationInfo.LocationStatus = LocationStatusEnum.Inbounding.ObjToInt();

                Db.Ado.BeginTran();
                UpdateData(task);
                _stockService.StockInfoService.Repository.UpdateData(stockInfo);
                _stockService.StockInfoDetailService.Repository.UpdateData(stockInfoDetail);
                _basicService.LocationInfoService.Repository.UpdateData(locationInfo);
                Db.Ado.CommitTran();
                #endregion
                content.OK(data: new ReceiveWMSInfo()
                {
                    TargetAddress = task.TargetAddress,
                    IsPickPlace = task.IsPickPlace,
                });
            }
            catch (Exception ex)
            {
                Db.Ado.RollbackTran();
                content.Error(ex.Message);
            }
            return content;
        }


    }
}