using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Common.CommonEnum;
using WIDESEA_Common.LocationEnum;
using WIDESEA_Common.OtherEnum;
using WIDESEA_Common.StockEnum;
using WIDESEA_Common.TaskEnum;
using WIDESEA_Core;
using WIDESEA_Core.Helper;
using WIDESEA_DTO.Basic;
using WIDESEA_DTO.Task;
using WIDESEA_Model.Models;

namespace WIDESEA_TaskInfoService
{
    public partial class TaskService
    {
        /// <summary>
        /// 判断是否需要移库
        /// </summary>
        /// <param name="taskNum"></param>
        /// <param name="locationCode"></param>
        /// <returns></returns>
        public WebResponseContent IsRelocation(int taskNum, string locationCode)
        {
            try
            {
                Dt_LocationInfo locationInfo = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == locationCode);
                if (locationInfo == null)
                {
                    return WebResponseContent.Instance.Error($"未找到对应的货位信息");
                }

                Dt_Task task = Repository.QueryFirst(x => x.TaskNum == taskNum);
                if (task == null)
                {
                    return WebResponseContent.Instance.Error($"未找到任务信息");
                }

                List<Dt_LocationInfo> littleDepthLocations = _basicService.LocationInfoService.GetGroupLocations(locationInfo);

                Dt_LocationInfo? needRelocationItem = littleDepthLocations.Where(x => x.LocationStatus != LocationStatusEnum.Free.ObjToInt() && x.LocationStatus != LocationStatusEnum.PalletLock.ObjToInt() && x.LocationStatus != LocationStatusEnum.FreeLock.ObjToInt() && x.Depth < locationInfo.Depth).OrderBy(x => x.Depth).FirstOrDefault();

                if (needRelocationItem == null)
                {
                    return WebResponseContent.Instance.OK(data: _mapper.Map<WMSTaskDTO>(task));
                }
                else
                {
                    Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.QueryFirst(x => x.LocationCode == needRelocationItem.LocationCode);
                    if (stockInfo == null)
                    {
                        return WebResponseContent.Instance.Error($"未找到对应货位的库存信息");
                    }

                    Dt_Task taskTemp = Repository.QueryFirst(x => x.PalletCode == stockInfo.PalletCode);
                    if (taskTemp != null)
                    {
                        return WebResponseContent.Instance.OK(data: _mapper.Map<WMSTaskDTO>(taskTemp));
                    }

                    int heightType = 0;
                    if(needRelocationItem.Layer == 5)
                    {
                        heightType = 2;
                    }
                    //else if(needRelocationItem.Layer == 4)
                    //{
                    //    heightType = 2;
                    //}
                    else if(needRelocationItem.Layer <= 4 && needRelocationItem.Layer >= 1)
                    {
                        heightType = 1;
                    }

                    Dt_LocationInfo? newLocation = _basicService.LocationInfoService.AssignLocation(needRelocationItem.RoadwayNo, stockInfo.PalletType, task.WarehouseId, needRelocationItem.LocationCode, heightType);
                    if (newLocation != null)
                    {
                        Dt_Task newTask = new Dt_Task()
                        {
                            Roadway = task.Roadway,
                            WarehouseId = task.WarehouseId,
                            CurrentAddress = locationCode,
                            Grade = 99,
                            NextAddress = newLocation.LocationCode,
                            OrderNo = "",
                            PalletCode = stockInfo.PalletCode,
                            PalletType = stockInfo.PalletType,
                            SourceAddress = needRelocationItem.LocationCode,
                            TargetAddress = newLocation.LocationCode,
                            TaskNum = Repository.GetTaskNum(nameof(SequenceEnum.SeqTaskNum)),
                            TaskStatus = 0,
                            TaskType = TaskTypeEnum.Relocation.ObjToInt()
                        };
                        
                        if (stockInfo.StockLength>0)
                        {
                            newTask.TaskLength = stockInfo.StockLength;
                        }
                        _unitOfWorkManage.BeginTran();
                        Repository.AddData(newTask);
                        {
                            LocationStatusEnum lastStatus = (LocationStatusEnum)newLocation.LocationStatus;
                            _basicService.LocationInfoService.UpdateLocationStatus(newLocation, task.PalletType, LocationStatusEnum.Lock, stockInfo.WarehouseId);
                            _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(newLocation, lastStatus, LocationStatusEnum.Lock, LocationChangeType.RelocationAssignLocation, taskNum: newTask.TaskNum);
                        }
                        {
                            LocationStatusEnum lastStatus = (LocationStatusEnum)needRelocationItem.LocationStatus;
                            _basicService.LocationInfoService.UpdateLocationStatus(needRelocationItem, task.PalletType, LocationStatusEnum.Lock, stockInfo.WarehouseId);
                            _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(needRelocationItem, lastStatus, LocationStatusEnum.Lock, LocationChangeType.RelocationAssignLocation, taskNum: newTask.TaskNum);
                        }
                        stockInfo.StockStatus = StockStatusEmun.移库锁定.ObjToInt();
                        _stockRepository.StockInfoRepository.UpdateData(stockInfo);

                        _unitOfWorkManage.CommitTran();

                        return WebResponseContent.Instance.OK(data: _mapper.Map<WMSTaskDTO>(newTask));
                    }
                    else
                    {
                        return WebResponseContent.Instance.Error($"未找到可分配货位,请查看该巷道【{task.Roadway}】是否还有空闲可使用货位");
                    }
                }
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }
        /// <summary>
        /// 手动移库
        /// </summary>
        /// <returns></returns>
        public WebResponseContent ManualRelocation(RelocationDTO relocationDTO)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                Dt_Warehouse warehouse = _basicRepository.WarehouseRepository.QueryFirst(x => x.WarehouseId == relocationDTO.warehouseId);
                if (warehouse == null)
                {
                    return content.Error($"未找到对应的{relocationDTO.warehouseId}仓库信息");
                }
                Dt_LocationInfo locationInfoStart = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == relocationDTO.locationStart && x.WarehouseId== warehouse.WarehouseId && x.RoadwayNo == relocationDTO.locationRoadway && x.LocationStatus == LocationStatusEnum.InStock.ObjToInt() && x.EnableStatus == EnableStatusEnum.Normal.ObjToInt());
                Dt_LocationInfo locationInfoEnd = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == relocationDTO.locationEnd && x.WarehouseId == warehouse.WarehouseId && x.RoadwayNo== relocationDTO.locationRoadway && x.LocationStatus == LocationStatusEnum.Free.ObjToInt() && x.EnableStatus==EnableStatusEnum.Normal.ObjToInt());
                if (locationInfoStart == null || locationInfoEnd==null)
                {
                    return content.Error($"未找到对应的货位信息或起点及终点货位条件不满足");
                }
                if (locationInfoStart.Column!= locationInfoEnd.Column || locationInfoStart.Layer != locationInfoEnd.Layer || locationInfoStart.Depth>= locationInfoEnd.Depth)
                {
                    return content.Error($"起点和终点移库货位需要满足同列同层终点货位深位需要大于起点货位");
                }
                Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.QueryFirst(x => x.LocationCode == locationInfoStart.LocationCode);
                if (stockInfo == null)
                {
                    return content.Error($"未找到对应货位的库存信息");
                }

                Dt_Task taskTemp = Repository.QueryFirst(x => x.PalletCode == stockInfo.PalletCode);
                if (taskTemp != null)
                {
                    return content.Error($"托盘{stockInfo.PalletCode}任务已存在");
                }
                Dt_Task newTask = new Dt_Task()
                {
                    Roadway = locationInfoStart.RoadwayNo,
                    WarehouseId = locationInfoStart.WarehouseId,
                    CurrentAddress = locationInfoStart.LocationCode,
                    Grade = 99,
                    NextAddress = locationInfoEnd.LocationCode,
                    OrderNo = "",
                    PalletCode = stockInfo.PalletCode,
                    PalletType = stockInfo.PalletType,
                    SourceAddress = locationInfoStart.LocationCode,
                    TargetAddress = locationInfoEnd.LocationCode,
                    TaskNum = Repository.GetTaskNum(nameof(SequenceEnum.SeqTaskNum)),
                    TaskStatus = TaskStatusEnum.SC_Execute.ObjToInt(),
                    TaskType = TaskTypeEnum.Relocation.ObjToInt()
                };

                if (stockInfo.StockLength > 0)
                {
                    newTask.TaskLength = stockInfo.StockLength;
                }
                _unitOfWorkManage.BeginTran();
                Repository.AddData(newTask);
                LocationStatusEnum lastStatusEnd = (LocationStatusEnum)locationInfoEnd.LocationStatus;
                _basicService.LocationInfoService.UpdateLocationStatus(locationInfoEnd, newTask.PalletType, LocationStatusEnum.Lock, stockInfo.WarehouseId);
                _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfoEnd, lastStatusEnd, LocationStatusEnum.Lock, LocationChangeType.RelocationAssignLocation, taskNum: newTask.TaskNum);

                LocationStatusEnum lastStatusStart = (LocationStatusEnum)locationInfoStart.LocationStatus;
                _basicService.LocationInfoService.UpdateLocationStatus(locationInfoStart, newTask.PalletType, LocationStatusEnum.Lock, stockInfo.WarehouseId);
                _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfoStart, lastStatusStart, LocationStatusEnum.Lock, LocationChangeType.RelocationAssignLocation, taskNum: newTask.TaskNum);
                stockInfo.StockStatus = StockStatusEmun.移库锁定.ObjToInt();
                _stockRepository.StockInfoRepository.UpdateData(stockInfo);
                _unitOfWorkManage.CommitTran();
                //推送任务
                PushTasksToWCS(new List<Dt_Task> { newTask });
                return content.OK(data: _mapper.Map<WMSTaskDTO>(newTask));
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return content.Error(ex.Message);
            }
        }

        public WebResponseContent RelocationTaskCompleted(Dt_Task task)
        {
            try
            {
                Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.QueryFirst(x => x.LocationCode == task.SourceAddress);
                if (stockInfo == null)
                {
                    return WebResponseContent.Instance.Error($"未找到对应货位的库存信息");
                }

                Dt_LocationInfo locationInfoStart = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == task.SourceAddress);
                if (locationInfoStart == null)
                {
                    return WebResponseContent.Instance.Error($"未找到对应的起点货位信息");
                }

                Dt_LocationInfo locationInfoEnd = _basicService.LocationInfoService.Repository.QueryFirst(x => x.LocationCode == task.TargetAddress);
                if (locationInfoEnd == null)
                {
                    return WebResponseContent.Instance.Error($"未找到对应的终点货位信息");
                }
                task.TaskStatus = TaskStatusEnum.Finish.ObjToInt();
                
                _unitOfWorkManage.BeginTran();
                stockInfo.LocationCode = locationInfoEnd.LocationCode;
                stockInfo.StockStatus = StockStatusEmun.入库完成.ObjToInt();
                _stockService.StockInfoService.Repository.UpdateData(stockInfo);
                _basicService.LocationInfoService.UpdateLocationStatus(locationInfoStart, stockInfo.PalletType, LocationStatusEnum.Free, stockInfo.WarehouseId);
                _basicService.LocationInfoService.UpdateLocationStatus(locationInfoEnd, stockInfo.PalletType, LocationStatusEnum.InStock, stockInfo.WarehouseId);
                BaseDal.DeleteAndMoveIntoHty(task, App.User.UserId > 0 ? WIDESEA_Core.Enums.OperateTypeEnum.人工完成 : WIDESEA_Core.Enums.OperateTypeEnum.自动完成);
                _unitOfWorkManage.CommitTran();
                FeedBackWCSTaskCompleted(task.TaskNum);
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }
    }
}