using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core.Enums;
using WIDESEA_Core;
using WIDESEA_DTO.Stock;
using WIDESEA_Model.Models;
using WIDESEA_Core.Helper;
using Microsoft.AspNetCore.Http;
using System.Reflection.Metadata;
using OfficeOpenXml.FormulaParsing.Excel.Functions.RefAndLookup;

namespace WIDESEA_TaskInfoService
{
    public partial class TaskService
    {

        /// <summary>
        /// 库存数据转出库任务
        /// </summary>
        /// <param name="stockInfos"></param>
        /// <returns></returns>
        public List<Dt_Task> GetTasks(List<Dt_StockInfo> stockInfos)
        {
            List<Dt_Task> tasks = new List<Dt_Task>();
            for (int i = 0; i < stockInfos.Count; i++)
            {
                Dt_StockInfo stockInfo = stockInfos[i];

                if (stockInfo != null)
                {
                    Dt_LocationInfo locationInfo = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == stockInfo.LocationCode);
                    Dt_RoadwayInfo roadwayInfo = _basicService.RoadwayInfoService.Repository.QueryFirst(x => x.RoadwayNo == locationInfo.RoadwayNo);
                    if (roadwayInfo != null)
                    {
                        Dt_Task task = new()
                        {
                            CurrentAddress = stockInfo.LocationCode,
                            Grade = 0,
                            PalletCode = stockInfo.PalletCode,
                            NextAddress = roadwayInfo.OutSCStationCode,
                            Roadway = locationInfo.RoadwayNo,
                            SourceAddress = stockInfo.LocationCode,
                            TargetAddress = roadwayInfo.OutStationCode,
                            TaskStatus = OutTaskStatusEnum.OutNew.ObjToInt(),
                            TaskType = TaskTypeEnum.Outbound.ObjToInt(),
                            Depth = locationInfo.Depth,
                            TaskNum = BaseDal.GetTaskNum(nameof(SequenceEnum.SeqTaskNum))
                        };
                        tasks.Add(task);
                    }
                }
            }
            return tasks;
        }

        /// <summary>
        /// 出库任务数据处理
        /// </summary>
        /// <param name="orderDetailId"></param>
        /// <param name="stockSelectViews"></param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        public (List<Dt_Task>, List<Dt_StockInfo>?, List<Dt_OutboundOrderDetail>?, List<Dt_OutStockLockInfo>?, List<Dt_LocationInfo>?) OutboundTaskDataHandle(int orderDetailId, List<StockSelectViewDTO> stockSelectViews)
        {
            List<Dt_Task> tasks = new List<Dt_Task>();
            Dt_OutboundOrderDetail outboundOrderDetail = _outboundService.OutboundOrderDetailService.Repository.QueryFirst(x => x.Id == orderDetailId);

            if (outboundOrderDetail == null)
            {
                throw new Exception("未找到出库单明细信息");
            }

            if (stockSelectViews.Sum(x => x.UseableQuantity) > outboundOrderDetail.OrderQuantity - outboundOrderDetail.LockQuantity)
            {
                throw new Exception("选择数量超出单据数量");
            }
            List<Dt_StockInfo>? stockInfos = null;
            Dt_OutboundOrderDetail? orderDetail = null;
            List<Dt_OutStockLockInfo>? outStockLockInfos = null;
            List<Dt_LocationInfo>? locationInfos = null;
            if (outboundOrderDetail.OrderDetailStatus == OrderDetailStatusEnum.New.ObjToInt())
            {
                (List<Dt_StockInfo>, Dt_OutboundOrderDetail, List<Dt_OutStockLockInfo>, List<Dt_LocationInfo>) result = _outboundService.OutboundOrderDetailService.AssignStockOutbound(outboundOrderDetail, stockSelectViews);
                if (result.Item1 != null && result.Item1.Count > 0)
                {
                    tasks = GetTasks(result.Item1);
                    result.Item2.OrderDetailStatus = OrderDetailStatusEnum.Outbound.ObjToInt();
                    result.Item3.ForEach(x =>
                    {
                        x.Status = OutStockStatus.出库中.ObjToInt();
                    });

                    stockInfos = result.Item1;
                    orderDetail = result.Item2;
                    outStockLockInfos = result.Item3;
                    locationInfos = result.Item4;
                }
                else
                {
                    throw new Exception("无库存");
                }
            }
            else
            {
                List<Dt_OutStockLockInfo> stockLockInfos = _outboundService.OutboundStockLockInfoService.GetByOrderDetailId(outboundOrderDetail.OrderId);
                if (stockLockInfos != null && stockLockInfos.Count > 0)
                {
                    List<Dt_StockInfo> stocks = _stockService.StockInfoService.Repository.GetStockInfosByPalletCodes(stockLockInfos.Select(x => x.PalletCode).Distinct().ToList());
                    tasks = GetTasks(stocks);
                }
            }

            return (tasks, stockInfos, orderDetail == null ? null : new List<Dt_OutboundOrderDetail> { orderDetail }, outStockLockInfos, locationInfos);
        }

        /// <summary>
        /// 生成出库任务
        /// </summary>
        /// <param name="orderDetailId"></param>
        /// <param name="stockSelectViews"></param>
        /// <returns></returns>
        public WebResponseContent GenerateOutboundTask(int orderDetailId, List<StockSelectViewDTO> stockSelectViews)
        {
            try
            {
                (List<Dt_Task>, List<Dt_StockInfo>?, List<Dt_OutboundOrderDetail>?, List<Dt_OutStockLockInfo>?, List<Dt_LocationInfo>?) result = OutboundTaskDataHandle(orderDetailId, stockSelectViews);

                WebResponseContent content = GenerateOutboundTaskDataUpdate(result.Item1, result.Item2, result.Item3, result.Item4, result.Item5);

                return content;
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }

        /// <summary>
        /// 生成出库任务后数据更新到数据库
        /// </summary>
        /// <param name="tasks"></param>
        /// <param name="stockInfos"></param>
        /// <param name="outboundOrderDetails"></param>
        /// <param name="outStockLockInfos"></param>
        /// <param name="locationInfos"></param>
        /// <returns></returns>
        public WebResponseContent GenerateOutboundTaskDataUpdate(List<Dt_Task> tasks, List<Dt_StockInfo>? stockInfos = null, List<Dt_OutboundOrderDetail>? outboundOrderDetails = null, List<Dt_OutStockLockInfo>? outStockLockInfos = null, List<Dt_LocationInfo>? locationInfos = null)
        {
            try
            {
                WebResponseContent content=new WebResponseContent();
                _unitOfWorkManage.BeginTran();
                //判断移库
                content=RelocationTasks(tasks.OrderBy(x=>x.Depth).ToList());
                if (content.Status)
                {
                    _unitOfWorkManage.CommitTran();
                }
                else
                {
                    _unitOfWorkManage.RollbackTran();
                    return content;
                }
                //BaseDal.AddData(tasks);
                if (stockInfos != null && outboundOrderDetails != null && outStockLockInfos != null && locationInfos != null)
                {
                    content = _outboundService.OutboundOrderDetailService.LockOutboundStockDataUpdate(stockInfos, outboundOrderDetails, outStockLockInfos, locationInfos, tasks: tasks);

                    if (content.Status)
                    {
                        _unitOfWorkManage.CommitTran();
                    }
                    else
                    {
                        _unitOfWorkManage.RollbackTran();
                    }
                    return content;
                }
                else if (outboundOrderDetails != null && outboundOrderDetails.Count > 0)
                {
                    outboundOrderDetails.ForEach(x =>
                    {
                        x.OrderDetailStatus = OrderDetailStatusEnum.Outbound.ObjToInt();
                    });

                    _outboundService.OutboundOrderDetailService.Repository.UpdateData(outboundOrderDetails);
                }
                _unitOfWorkManage.CommitTran();
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return WebResponseContent.Instance.Error(ex.Message);
            }

        }
        public WebResponseContent RelocationTasks(List<Dt_Task> task)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                _unitOfWorkManage.BeginTran();
                for (int i = 0; i < task.Count; i++)
                {
                    Dt_LocationInfo location = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == task[i].SourceAddress && x.RoadwayNo == task[i].Roadway);
                    if (location != null)
                    {
                        //(Dt_LocationInfo?, int?) result = _basicService.LocationInfoService.isDepth(location);
                        (Dt_LocationInfo?, int?) result = isDepth(location);
                        if (result.Item1 != null &&result.Item2 != LocationStatusEnum.Lock.ObjToInt() && result.Item2 != LocationStatusEnum.PalletLock.ObjToInt() && result.Item2 != LocationStatusEnum.Free.ObjToInt())
                        {
                            int sum = 0;
                            for (int j = 0; j < task.Count; j++)
                            {
                                if (result.Item1.LocationCode == task[j].SourceAddress)
                                {
                                    sum++;
                                }
                            }
                            if (sum == 0)
                            {
                                return content = RelocationTask(task[i]);
                            }
                            else
                            {
                                BaseDal.AddData(task[i]);
                                _basicService.LocationInfoService.UpdateLocationLock(location, task[i].TaskNum, StockChangeType.Outbound.ObjToInt(), true);
                            }
                        }
                        else if (result.Item1 == null && result.Item2 == LocationStatusEnum.Free.ObjToInt())
                        {
                            BaseDal.AddData(task[i]);
                            location.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                            _basicService.LocationInfoService.UpdateData(location);
                            content = WebResponseContent.Instance.OK();
                        }
                        else if (result.Item1 != null && result.Item2 == LocationStatusEnum.Free.ObjToInt())
                        {
                            BaseDal.AddData(task[i]);
                            location.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                            _basicService.LocationInfoService.UpdateData(location);
                            _basicService.LocationInfoService.UpdateLocationLock(location, task[i].TaskNum, StockChangeType.Outbound.ObjToInt(), false);
                            content = WebResponseContent.Instance.OK();
                        }
                        else if (result.Item1 != null && (result.Item2 == LocationStatusEnum.Lock.ObjToInt() || result.Item2 == LocationStatusEnum.PalletLock.ObjToInt()))
                        {
                            Dt_Task TaskInfo = BaseDal.QueryFirst(x => x.SourceAddress == result.Item1.LocationCode);
                            if (TaskInfo == null)
                            {
                                return content = WebResponseContent.Instance.Error("货位被锁定不可出库");
                            }
                            else
                            {
                                BaseDal.AddData(task[i]);
                                location.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                                _basicService.LocationInfoService.UpdateData(location);
                                content = WebResponseContent.Instance.OK();
                            }
                        }
                    }
                    else
                    {
                        return content = WebResponseContent.Instance.OK("任务异常");
                    }
                }
                _unitOfWorkManage.CommitTran();
                return content;
            }
            catch(Exception ex) 
            {
                _unitOfWorkManage.RollbackTran();
                return content = WebResponseContent.Instance.Error(ex.Message);
            }
         }
        /// <summary>
        /// 移库任务
        /// </summary>
        /// <param name="task"></param>
        /// <returns></returns>
        public WebResponseContent RelocationTask(Dt_Task task)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                Dt_LocationInfo locationInfo = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == task.SourceAddress && x.RoadwayNo == task.Roadway);
                if (locationInfo != null)
                {
                    int beforeStatus = locationInfo.LocationStatus;
                    //(Dt_LocationInfo?,int?) Result = _basicService.LocationInfoService.isDepth(locationInfo);
                    (Dt_LocationInfo?,int?) Result = isDepth(locationInfo);
                    if (Result.Item1 != null&& Result.Item2== LocationStatusEnum.InStock.ObjToInt())
                    {
                        Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.QueryFirst(x => x.LocationCode == Result.Item1.LocationCode);
                        Dt_StockInfoDetail stockInfoDetail = _stockService.StockInfoDetailService.Repository.QueryFirst(x => x.StockId==stockInfo.Id);
                        if (stockInfo != null&& stockInfoDetail != null)
                        {
                            (Dt_Task ?, Dt_LocationInfo ?) result= AddRelocationTask(Result.Item1, stockInfo, task); 
                            if (result.Item1!=null&&result.Item2!=null)
                            {
                                _basicService.LocationInfoService.RelocationLock(Result.Item1, result.Item2, result.Item1.TaskNum);
                                locationInfo.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                                _basicService.LocationInfoService.UpdateData(locationInfo);
                                _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfo, beforeStatus, StockChangeType.Relocation.ObjToInt(), "", task.TaskNum);
                                return content = WebResponseContent.Instance.OK();
                            }
                            else
                            {
                                return content = WebResponseContent.Instance.Error("移库任务生成失败");
                            }
                        } 
                        else
                        {
                            return content = WebResponseContent.Instance.Error("未找到库存信息");
                        }
                    }
                    else if(Result.Item1 != null && Result.Item2 == LocationStatusEnum.Pallet.ObjToInt())
                    {
                        Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.QueryFirst(x => x.LocationCode == Result.Item1.LocationCode);
                        if (stockInfo != null)
                        {
                            (Dt_Task?, Dt_LocationInfo?) result = AddRelocationTask(Result.Item1, stockInfo, task);
                            if (result.Item1 != null && result.Item2 != null)
                            {
                                _basicService.LocationInfoService.RelocationLock(Result.Item1, result.Item2, result.Item1.TaskNum);
                                locationInfo.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                                _basicService.LocationInfoService.UpdateData(locationInfo);
                                _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfo, beforeStatus, StockChangeType.Relocation.ObjToInt(), "", task.TaskNum);
                                return content = WebResponseContent.Instance.OK();
                            }
                            else
                            {
                                return content = WebResponseContent.Instance.Error("移库任务生成失败");
                            }
                        }
                        else
                        {
                            return content = WebResponseContent.Instance.Error("未找到库存信息");
                        }
                    }
                    else
                    {
                        return content = WebResponseContent.Instance.Error("异常");
                    }
                }
                else
                {
                    return content = WebResponseContent.Instance.Error("任务信息异常");
                }
            }
            catch (Exception ex)
            {
                return content = WebResponseContent.Instance.Error(ex.Message);
            }
            finally
            {
                
            }

            
        }
        public (Dt_Task?,Dt_LocationInfo?) AddRelocationTask(Dt_LocationInfo location,Dt_StockInfo stockInfo,Dt_Task task)
        {
            Dt_LocationInfo? locationInfos = _basicService.LocationInfoService.AssignLocation(location.RoadwayNo);
            if (locationInfos != null)
            {
                Dt_Task tasks = new()
                {
                    CurrentAddress = location.LocationCode,
                    Grade = 0,
                    PalletCode = stockInfo.PalletCode,
                    NextAddress = locationInfos.LocationCode,
                    Roadway = location.RoadwayNo,
                    SourceAddress = location.LocationCode,
                    TargetAddress = locationInfos.LocationCode,
                    TaskStatus = InTaskStatusEnum.RelocationNew.ObjToInt(),
                    TaskType = TaskTypeEnum.Relocation.ObjToInt(),
                    TaskNum = BaseDal.GetTaskNum(nameof(SequenceEnum.SeqTaskNum))
                };
                BaseDal.AddData(tasks);
                BaseDal.AddData(task);
                stockInfo.StockStatus = StockStatusEmun.移库锁定.ObjToInt();
                _stockService.StockInfoService.UpdateData(stockInfo);
            }
            return (task, locationInfos);
        }
        /// <summary>
        /// 生成出库任务
        /// </summary>
        /// <param name="keys"></param>
        /// <returns></returns>
        public WebResponseContent GenerateOutboundTask(int[] keys)
        {
            try
            {
                List<Dt_Task> tasks = new List<Dt_Task>();
                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 (int key in keys)
                {

                    (List<Dt_Task>, List<Dt_StockInfo>?, List<Dt_OutboundOrderDetail>?, List<Dt_OutStockLockInfo>?, List<Dt_LocationInfo>?) result = OutboundTaskDataHandle(key, stockSelectViews);
                    if (result.Item2 != null && result.Item2.Count > 0)
                    {
                        stockInfos.AddRange(result.Item2);
                    }
                    if (result.Item3 != null && result.Item3.Count > 0)
                    {
                        outboundOrderDetails.AddRange(result.Item3);
                    }
                    if (result.Item4 != null && result.Item4.Count > 0)
                    {
                        outStockLockInfos.AddRange(result.Item4);
                    }
                    if (result.Item5 != null && result.Item5.Count > 0)
                    {
                        locationInfos.AddRange(result.Item5);
                    }
                    if (result.Item1 != null && result.Item1.Count > 0)
                    {
                        tasks.AddRange(result.Item1);
                    }


                }

                WebResponseContent content = GenerateOutboundTaskDataUpdate(tasks, stockInfos, outboundOrderDetails, outStockLockInfos, locationInfos);
                return content;
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }

        /// <summary>
        /// 空托盘出库任务
        /// </summary>
        /// <param name="inTask"></param>
        /// <returns></returns>
        public WebResponseContent PalletOutboundTask(string roadwayNo, string endStation)
        {
            try
            {
                Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.GetPalletStockInfo(roadwayNo);
                if (stockInfo == null)
                {
                    return WebResponseContent.Instance.Error("未找到空托盘库存");
                }
                Dt_LocationInfo locationInfo = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == stockInfo.LocationCode && x.RoadwayNo == roadwayNo);
                if (locationInfo == null)
                {
                    return WebResponseContent.Instance.Error("未找到空托盘库存对应的货位信息");
                }
                Dt_RoadwayInfo roadwayInfo = _basicService.RoadwayInfoService.Repository.QueryFirst(x => x.InStationCode == endStation && x.RoadwayNo == roadwayNo);
                if (roadwayInfo == null)
                {
                    return WebResponseContent.Instance.Error("未找到终点巷道信息");
                }
                Dt_Task task = new Dt_Task()
                {
                    CurrentAddress = stockInfo.LocationCode,
                    Grade = 0,
                    NextAddress = endStation,
                    PalletCode = stockInfo.PalletCode,
                    Roadway = roadwayNo,
                    SourceAddress = stockInfo.LocationCode,
                    TargetAddress = endStation,
                    TaskStatus = OutTaskStatusEnum.OutNew.ObjToInt(),
                    TaskType = TaskTypeEnum.PalletOutbound.ObjToInt(),
                    Depth = locationInfo.Depth,
                    TaskNum = BaseDal.GetTaskNum(nameof(SequenceEnum.SeqTaskNum))

                };
                int beforeStatus = locationInfo.LocationStatus;
                _unitOfWorkManage.BeginTran();
                stockInfo.StockStatus = StockStatusEmun.出库锁定.ObjToInt();
                locationInfo.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                BaseDal.AddData(task);
                _stockService.StockInfoService.UpdateData(stockInfo);

                _basicService.LocationInfoService.UpdateData(locationInfo);

                _basicService.LocationInfoService.UpdateLocationLock(locationInfo, task.TaskNum, StockChangeType.Outbound.ObjToInt(), false);
                _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfo, beforeStatus, StockChangeType.Outbound.ObjToInt(), "", task.TaskNum);

                _unitOfWorkManage.CommitTran();
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }

        public (Dt_LocationInfo?, int?) isDepth(Dt_LocationInfo locationInfo)
        {
            if (locationInfo.Depth == 2)
            {
                if (locationInfo.Row == 1 || locationInfo.Row == 5)
                {
                    Dt_LocationInfo dt_LocationInfo = _basicService.LocationInfoService.Repository.QueryFirst(x => x.Row == locationInfo.Row + 1 && x.Layer == locationInfo.Layer && x.Column == locationInfo.Column && x.RoadwayNo == locationInfo.RoadwayNo);

                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.InStock.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.InStock.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.Free.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.Free.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.Lock.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.Lock.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.PalletLock.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.PalletLock.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.Pallet.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.Pallet.ObjToInt());
                    }
                }
                else if (locationInfo.Row == 4 || locationInfo.Row == 8)
                {
                    Dt_LocationInfo dt_LocationInfo = _basicService.LocationInfoService.Repository.QueryFirst(x => x.Row == locationInfo.Row + 1 && x.Layer == locationInfo.Layer && x.Column == locationInfo.Column && x.RoadwayNo == locationInfo.RoadwayNo);

                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.InStock.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.InStock.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.Free.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.Free.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.Lock.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.Lock.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.PalletLock.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.PalletLock.ObjToInt());
                    }
                    if (dt_LocationInfo != null && dt_LocationInfo.LocationStatus == LocationStatusEnum.Pallet.ObjToInt())
                    {
                        return (dt_LocationInfo, LocationStatusEnum.Pallet.ObjToInt());
                    }
                }
            }
            return (null, LocationStatusEnum.Free.ObjToInt());
        }
    }
}