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.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 = 3;
                    }
                    else if(needRelocationItem.Layer == 4)
                    {
                        heightType = 2;
                    }
                    else if(needRelocationItem.Layer <= 3 && 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);
            }
        }

        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();
                FeedBackWCSTaskCompleted(task.TaskNum);
                _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();
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                _unitOfWorkManage.RollbackTran();
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }
    }
}