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;

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(),
                            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
            {
                _unitOfWorkManage.BeginTran();

                BaseDal.AddData(tasks);
                if (stockInfos != null && outboundOrderDetails != null && outStockLockInfos != null && locationInfos != null)
                {
                    WebResponseContent 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);
            }

        }

        /// <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(),
                };

                _unitOfWorkManage.BeginTran();
                stockInfo.StockStatus = StockStatusEmun.出库锁定.ObjToInt();
                locationInfo.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                BaseDal.AddData(task);
                _unitOfWorkManage.CommitTran();
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }
    }
}