using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Port;
using DM_Weight.util;
using log4net;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using SqlSugar;
using SqlSugar.Extensions;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Threading;

namespace DM_Weight.ViewModels
{
    public class MultiOrderTakeDialogViewModel : BindableBase, IDialogAware, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(MultiOrderTakeDialogViewModel));
        public string Title => "多处方取药";


        public event Action<IDialogResult> RequestClose;

        private static readonly DateTime Jan1st1970 = new DateTime
   (1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);

        //取药人（科室）
        private string receivePerson;
        public string ReceivePerson
        {
            get => receivePerson;
            set => SetProperty(ref receivePerson, value);
        }

        private PortUtil _portUtil;
        IEventAggregator _eventAggregator;
        IDialogService _dialogService;
        public MultiOrderTakeDialogViewModel(PortUtil portUtil, IEventAggregator eventAggregator, IDialogService DialogService)
        {
            _dialogService = DialogService;
            _portUtil = portUtil;
            _eventAggregator = eventAggregator;
        }

        void DoMyPrismEvent(DeviceMsg msg)
        {

            if (msg.WindowName == "OrderTakeDrugWindow")
            {
                IGrouping<int, ChannelStock> grouping = enumerator.Current;
                int DrawerNo = grouping.Key;
                List<ChannelStock> channelStocks = grouping.ToList();

                switch (msg.EventType)
                {
                    // 抽屉打开
                    case EventType.DRAWEROPEN:


                        if (Status == 1)
                        {
                            if (channelStocks[0].process == 1)
                            {
                                channelStocks.ForEach(it => it.process = 2);
                            }
                        }

                        break;
                    // 抽屉关闭
                    case EventType.DRAWERCLOSE:
                        if (Status == 1)
                        {
                            if (channelStocks[0].process == 2)
                            {
                                channelStocks.ForEach(it => it.process = 3);
                            }
                            IGrouping<int, ChannelStock> groupingBefore = enumerator.Current;
                            int DrawerNoBefore = groupingBefore.Key;
                            if (enumerator.MoveNext())
                            {
                                IGrouping<int, ChannelStock> groupingAfter = enumerator.Current;
                                int DrawerNoAfter = groupingAfter.Key;
                                if (DrawerNoBefore < 9 && DrawerNoAfter > 8)
                                {
                                    Thread.Sleep(50);
                                }
                                OpenOneByOne();
                            }
                            // 已经全部取出
                            else
                            {
                                Status = 3;
                            }
                        }
                        break;
                    // 数量变化
                    case EventType.UPDATEQUANTITY:
                        if (Status == 1)
                        {
                            logger.Info($"抽屉【{DrawerNo}】库位取药数量【{msg.Quantitys}】");
                        }
                        break;
                    // 打开失败
                    case EventType.OPENERROR:
                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = msg.Message,
                            Type = MsgType.ERROR,
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        Status = 0;
                        break;
                }
            }

        }

        private int _status = 0;

        public int Status
        {
            get => _status; set => SetProperty(ref _status, value);
        }

        //多处方的处方号
        private string _multiOrderNo = "处方号：";
        public string MultiOrderNo
        {
            get => _multiOrderNo;
            set => SetProperty(ref _multiOrderNo, value);
        }
        private ObservableCollection<OrderInfo>? _orderInfo;


        public ObservableCollection<OrderInfo>? OrderInfo
        {
            get => _orderInfo;
            set => SetProperty(ref _orderInfo, value);
        }

        private List<OrderDetail> orderDetails { get; set; }

        private List<ChannelStock> _channelStocks;

        public List<ChannelStock> ChannelStocks
        {
            get => _channelStocks;
            set => SetProperty(ref _channelStocks, value);
        }

        private IEnumerable<IGrouping<int, ChannelStock>> enumerable;
        private IEnumerator<IGrouping<int, ChannelStock>> enumerator;


        public bool CanCloseDialog()
        {
            return Status == 0;
        }

        public void OnDialogClosed()
        {
            // 取消消息订阅
            _eventAggregator.GetEvent<PortUtilEvent>().Unsubscribe(DoMyPrismEvent);
        }

        public void OnDialogOpened(IDialogParameters parameters)
        {
            logger.Info("进入MultiOrderTakeDialogViewModel_查询数据");
            _eventAggregator.GetEvent<PortUtilEvent>().Subscribe(DoMyPrismEvent);
            OrderInfo = parameters.GetValue<ObservableCollection<OrderInfo>>("orderInfo");
            MultiOrderNo += string.Join(",   ", OrderInfo.Select(o => o.OrderNo)).Length > 60 ? string.Join(",   ", OrderInfo.Select(o => o.OrderNo)).Substring(0, 60) + "……" : string.Join(",   ", OrderInfo.Select(o => o.OrderNo));
            RequestData();
            logger.Info($"结束MultiOrderTakeDialogViewModel_查询数据，处理处方{MultiOrderNo}");
        }

        public async void RequestData()
        {
            orderDetails = SqlSugarHelper.Db.Queryable<OrderDetail>()
              //.Includes<DrugInfo>(od => od.DrugInfo)
              .InnerJoin(SqlSugarHelper.Db.Queryable<ChannelStock>()
              .Where(cs => cs.DrawerType == 1)
              .Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))
              .GroupBy(cs => cs.DrugId), (od, t) => od.DrugId == t.DrugId)
              .Where(od => OrderInfo.Select(o => o.OrderNo).Contains(od.OrderNo)).GroupBy(od => od.DrugId)

              .Select(od => new OrderDetail { DrugId = od.DrugId, SetEffDate = od.SetEffDate, SetManuNo = od.SetManuNo, Quantity = SqlFunc.AggregateSum(od.Quantity) })

                //.Where(od => od.OrderNo. OrderInfo.OrderNo)
                .ToList();



            List<ChannelStock> channelStocks = new List<ChannelStock>();
            List<string> msg = new List<string>();
            for (int i = 0; i < orderDetails.Count; i++)
            {
                OrderDetail orderDetail = orderDetails[i];

                List<ChannelStock> HasQChannels = SqlSugarHelper.Db.Queryable<ChannelStock>()
                    .Includes<DrugInfo>(cs => cs.DrugInfo)
                    .Where(cs => cs.Quantity > 0)
                    .Where(cs => cs.DrawerType == 1)
                    .Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))
                    .WhereIF(!string.IsNullOrEmpty(orderDetail.SetEffDate), cs => cs.EffDate.Equals(orderDetail.SetEffDate))
                    .WhereIF(!string.IsNullOrEmpty(orderDetail.SetManuNo), cs => cs.ManuNo.Equals(orderDetail.SetManuNo))
                    .Where(cs => cs.DrugId == orderDetail.DrugId)
                     .WhereIF(App.SingleModel, cs => cs.DrawerNo <= 2) //单人登录开前2个抽屉，双人登录开后14个抽屉
                    .WhereIF(!(App.SingleModel), cs => cs.DrawerNo > 2)
                    .OrderBy(cs => cs.EffDate)
                    //.OrderBy(cs => cs.DrawerNo)
                    //.OrderBy(cs => cs.ManuNo)
                    .OrderBy(cs=>cs.FillTime)
                    .ToList();

                int total = HasQChannels.Sum(it => it.Quantity);
                int TakeQ = orderDetail.Quantity;
                int multiTakeQ = orderDetail.Quantity;
                List<ChannelStock> multiTake = new List<ChannelStock>();
                //multiTakeQ = orderDetails.Where(c => c.DrugId == orderDetail.DrugId).Sum(c => c.Quantity);
                // 说明数量足够
                if (total >= multiTakeQ)
                {
                    for (int j = 0; TakeQ > 0; j++)
                    {
                        ChannelStock stock = HasQChannels[j];

                        if (TakeQ > stock.Quantity)
                        {

                            //#region 存在该库存且库存数量大于待取数量则把取药数量加上
                            //var varChannelStock = channelStocks.Where(c => c.Location == stock.Location && c.Quantity > c.TakeQuantity + TakeQ).ToList();
                            //if (varChannelStock != null && varChannelStock.Count > 0)
                            //{
                            //    channelStocks.Where(c => c.Location == stock.Location).Select(c => c.TakeQuantity += TakeQ).ToList();
                            //    break;
                            //}
                            //#endregion
                            stock.TakeQuantity = stock.Quantity;
                            channelStocks.Add(stock);
                            TakeQ -= stock.Quantity;
                        }
                        else
                        {

                            //#region 存在该库存且库存数量大于待取数量则把取药数量加上
                            //var varChannelStock = channelStocks.Where(c => c.Location == stock.Location && c.Quantity > c.TakeQuantity + TakeQ).ToList();
                            //if (varChannelStock != null && varChannelStock.Count > 0)
                            //{
                            //    channelStocks.Where(c => c.Location == stock.Location).Select(c => c.TakeQuantity += TakeQ).ToList();
                            //    break;
                            //}
                            //#endregion
                            stock.TakeQuantity = TakeQ;
                            channelStocks.Add(stock);
                            TakeQ = 0;
                        }
                    }
                }
                else
                {
                    if (HasQChannels != null && HasQChannels.Count > 0 && HasQChannels[0].DrugInfo != null)
                    {
                        //msg.Add($"药品【{orderDetail.DrugInfo.DrugName}】库存不足，应取【{TakeQ}】库存【{total}】");
                        msg.Add($"药品【{HasQChannels[0].DrugInfo.DrugName}】库存不足，应取【{TakeQ}】库存【{total}】");
                    }
                    else
                    {
                        msg.Add($"药品【{orderDetail.DrugId}】库存不足，应取【{TakeQ}】库存【{total}】");

                    }
                }
            }
            if (msg.Count > 0)
            {
                RequestClose?.Invoke(new DialogResult(ButtonResult.Cancel));
                //MessageBox.Show(string.Join("\n", msg));
                DialogParameters dialogParameters = new DialogParameters();
                dialogParameters.Add("msgInfo", msg);
                DialogServiceExtensions.ShowDialogHost(_dialogService, "ShowMessageDialog", dialogParameters, "RootDialog");

            }
            else
            {
                channelStocks.Sort((a, b) =>
                {
                    if ((a.DrawerNo - b.DrawerNo) == 0)
                    {
                        return a.ColNo - b.ColNo;
                    }
                    return a.DrawerNo - b.DrawerNo;
                });
                ChannelStocks = channelStocks;


            }
        }
        public DelegateCommand OpenDrawer
        {
            get => new DelegateCommand(async () =>
            {
                if (Status == 0)
                {
                    enumerable = ChannelStocks.GroupBy(cs => cs.DrawerNo, cs => cs);
                    enumerator = enumerable.GetEnumerator();
                    enumerator.MoveNext();
                    Status = 1;
                    OpenOneByOne();
                }

            });
        }

        private void OpenOneByOne()
        {
            IGrouping<int, ChannelStock> grouping = enumerator.Current;
            int DrawerNo = grouping.Key;
            List<ChannelStock> channelStocks = grouping.ToList();
            channelStocks.ForEach(it => it.process = 1);
            _portUtil.SpeakAsync("正在打开" + DrawerNo + "号抽屉");


            List<ChannelStock> singleChannels = channelStocks.FindAll(it => it.BoardType != 1);

            // 发送取药数量
            singleChannels.ForEach(it =>
            {
                try
                {

                    _portUtil.TakeQuantity(DrawerNo, it.ColNo, it.TakeQuantity, it.Quantity - it.TakeQuantity);
                }
                catch (Exception ex)
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = $"打开抽屉异常{ex.Message}",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                }
            });

            _portUtil.WindowName = "OrderTakeDrugWindow";
            _portUtil.BoardType = singleChannels.Count > 0 ? singleChannels[0].BoardType : 1;
            _portUtil.ColNos = singleChannels.Select(it => it.ColNo).ToArray();
            _portUtil.DrawerNo = DrawerNo;
            _portUtil.Start();
        }
        private bool _isFinishClick = false;
        // 完成按钮
        public DelegateCommand TakeFinish
        {
            get => new DelegateCommand(() =>
            {
                if (!_isFinishClick)
                {
                    _isFinishClick = true;
                    List<ChannelStock> record = ChannelStocks.FindAll(it => it.TakeQuantity > 0).ToList();

                    //根据处方单数量分别更新处方状态、写记录信息
                    if (OrderInfo != null && OrderInfo.Count > 0)
                    {
                        UpdateOrderInfo(OrderInfo, record);
                    }
                }
            });
        }
        private void UpdateOrderInfo(ObservableCollection<OrderInfo> orderInfo, List<ChannelStock> record)
        {
            var f = SqlSugarHelper.Db.UseTran(() =>
            {
                logger.Info("UseTran");
                for (int j = 0; j < OrderInfo.Count; j++)
                {
                    logger.Info($"OrderInfo j-{j}");
                    string InvoiceId = OrderInfo[j].OrderNo;
                    for (int i = 0; i < record.Count; i++)
                    {

                        logger.Info($"record j-{i}");
                        List<OrderDetail> orderDetails = SqlSugarHelper.Db.Queryable<OrderDetail>()
                                     .Where(od => od.OrderNo == OrderInfo[j].OrderNo && od.DrugId == record[i].DrugId && od.DetailStatus == 0).ToList();
                        if (orderDetails == null || orderDetails.Count <= 0)
                        {
                            logger.Info($"处方{OrderInfo[j].OrderNo}下无药品{record[i].DrugId}，或detail_status字段不为 0");
                            continue;
                        }
                        logger.Info($"orderDetails");
                        OrderDetail orderDetail = orderDetails.FirstOrDefault();
                        orderDetail.Quantity = orderDetails.Sum(it => it.Quantity);
                        //处方中该药品明细
                        //OrderDetail orderDetail = SqlSugarHelper.Db.Queryable<OrderDetail>()
                        //             .Where(od => od.OrderNo == OrderInfo[j].OrderNo && od.DrugId == record[i].DrugId && od.DetailStatus == 0)
                        //                .GroupBy(od => new { od.DrugId, od.OrderId }).Select(od => new OrderDetail
                        //                {
                        //                    OrderId = od.OrderId,
                        //                    DrugId = od.DrugId,
                        //                    Quantity = SqlFunc.AggregateSum(od.Quantity)
                        //                }).First();

                        int ordinalNum = SqlSugarHelper.Db.Queryable<MachineRecord>()
                                      .Where(mr => mr.OperationTime.ToString("yyyy-MM-dd") == DateTime.Now.ToString("yyyy-MM-dd"))
                                      .Max(mr => mr.OrdinalNum);
                        logger.Info($"ordinalNum{ordinalNum}");
                        //已取药数量
                        int hasTakeQuantity = SqlSugarHelper.Db.Queryable<MachineRecord>()
                                     .Where(mr => mr.InvoiceId == InvoiceId && mr.DrugId == record[i].DrugId && mr.GetId == orderDetail.OrderId)
                                     .Sum(mr => mr.Quantity);
                        //处方中该药品取药数量
                        int orderTakeQuantity = orderDetail.Quantity - hasTakeQuantity;
                        logger.Info($"orderTakeQuantity{orderTakeQuantity}");

                        //当前药品库存
                        int stockQuantity = SqlSugarHelper.Db.Queryable<ChannelStock>()
                                     .Where(cs => cs.MachineId == (record[i].MachineId)
                                     && cs.DrugId == record[i].DrugId
                                     && cs.ManuNo == record[i].ManuNo && cs.DrawerNo == record[i].DrawerNo
                                     && cs.ColNo == record[i].ColNo).Select(cs => cs.Quantity).First();


                        logger.Info($"stockQuantity{stockQuantity}");

                        //该处方没有这个药，跳出循环
                        if (stockQuantity <= 0 || orderTakeQuantity <= 0)
                            continue;
                        if (!(stockQuantity == orderTakeQuantity))
                        {
                            if (stockQuantity > orderTakeQuantity)
                            {
                                //record[i].TakeQuantity = record[i].TakeQuantity - orderTakeQuantity;
                                record[i].TakeQuantity = orderTakeQuantity;
                                record[i].Quantity = stockQuantity - orderTakeQuantity;
                            }
                            else if (stockQuantity < orderTakeQuantity)
                            {
                                record[i].TakeQuantity = stockQuantity;
                                record[i].Quantity = 0;
                            }
                        }
                        else
                        {
                            record[i].TakeQuantity = orderTakeQuantity;
                            record[i].Quantity = stockQuantity - record[i].TakeQuantity;
                        }

                        logger.Info($"record{stockQuantity}");
                        ChannelStock it = record[i];
                        // 更新数据 库存信息
                        SqlSugarHelper.Db.Updateable(new ChannelStock()
                        {
                            Quantity = record[i].Quantity,
                            ManuNo = it.ManuNo,
                            EffDate = it.EffDate,
                            Id = it.Id,
                        }).UpdateColumns(it => new { it.Quantity, it.ManuNo, it.EffDate }).ExecuteCommand();
                        logger.Info("更新数据 库存信息");
                        // 获取更新完库存后的药品库存
                        List<ChannelStock> nowChannels = SqlSugarHelper.Db.Queryable<ChannelStock>()
                                .Where(cs => cs.MachineId.Equals(it.MachineId))
                                .Where(cs => cs.DrugId.Equals(it.DrugId))
                                .Where(cs => cs.DrawerType == 1)
                                .ToList();

                        logger.Info("查询当前库存");
                        // 保存数据 出库记录
                        SqlSugarHelper.Db.Insertable(new MachineRecord()
                        {
                            MachineId = it.MachineId,
                            DrawerNo = it.DrawerNo,
                            ColNo = it.ColNo,
                            DrugId = it.DrugId,
                            ManuNo = it.ManuNo,
                            EffDate = !String.IsNullOrEmpty(it.EffDate) ? DateTime.ParseExact(it.EffDate, "yyyy-MM-dd", System.Globalization.CultureInfo.CurrentCulture) : null,
                            Operator = HomeWindowViewModel.Operator?.Id,
                            Reviewer = HomeWindowViewModel.Reviewer?.Id,
                            OperationTime = DateTime.Now,
                            Quantity = orderDetail.Quantity,//record[i].TakeQuantity,
                            Type = 2,
                            InvoiceId = InvoiceId,
                            OrdinalNum = ordinalNum + 1,
                            StockQuantity = nowChannels.Sum(it => it.Quantity),
                            ManunoQuantity = nowChannels.FindAll(it2 => it2.ManuNo == it.ManuNo).Sum(it => it.Quantity),
                            SupplierDept = ConfigurationManager.AppSettings["receiveDept"].ToString(),
                            ReceiveDept = OrderInfo[j].DeptName,
                            GetId = orderDetail.OrderId,
                            ReceivePerson= ReceivePerson
                        }).ExecuteCommand();

                        logger.Info("Insertable MachineRecord");
                    }
                    //更新处方状态
                    SqlSugarHelper.Db.Updateable(new OrderInfo()
                    {
                        DmStatus = 1,
                        OrderNo = OrderInfo[j].OrderNo
                    }).UpdateColumns(it => new { it.DmStatus }).WhereColumns(it => new { it.OrderNo }).ExecuteCommand();


                    logger.Info("更新处方");
                    //更新处方明细状态为已取药1
                    List<OrderDetail> orderDetailLst = SqlSugarHelper.Db.Queryable<OrderDetail>().Where(od => od.OrderNo == OrderInfo[j].OrderNo && od.DetailStatus == 0).ToList();
                    if (orderDetailLst != null && orderDetailLst.Count > 0)
                    {
                        orderDetailLst.ForEach(od => od.DetailStatus = 1);
                        SqlSugarHelper.Db.Updateable(orderDetailLst).UpdateColumns(it => new { it.DetailStatus }).ExecuteCommand();
                    }
                    else
                    {
                        logger.Info($"处方{OrderInfo[j].OrderNo}药品明细状态未更新");
                    }

                    logger.Info("处方明细状态为已取药1");
                }
                return true;
            });
            if (f.Data)
            {
                logger.Info("f.Data");

                //});
                // 更新屏显库存
                List<ChannelStock> singleChannels = record.FindAll(it => it.BoardType == 5);
                if (singleChannels.Count > 0)
                {
                    for (int i = 0; i < singleChannels.Count; i++)
                    {


                        List<ChannelStock> csList = SqlSugarHelper.Db.Queryable<ChannelStock>()
                                                                                 .Where(cs => cs.MachineId == singleChannels[i].MachineId)
                                                                                 .Where(cs => cs.DrawerNo == singleChannels[i].DrawerNo)
                                                                                 .Where(cs => cs.ColNo == singleChannels[i].ColNo && cs.Quantity > 0).OrderBy(cs => cs.EffDate).ToList();

                        if (csList != null && csList.Count > 0)
                        {
                            int totalQuantity = csList.Sum(c => c.Quantity);
                            _portUtil.WriteChannelInfo(5, csList[0].EffDate == null ? "" : csList[0].EffDate, csList[0].DrawerNo, csList[0].ColNo);
                            Thread.Sleep(200);
                            _portUtil.WriteChannelInfo(6, csList[0].ManuNo == null ? "" : csList[0].ManuNo, csList[0].DrawerNo, csList[0].ColNo);
                            Thread.Sleep(200);
                            _portUtil.ShowContent(csList[0].DrawerNo, csList[0].ColNo);
                            Thread.Sleep(200);
                            _portUtil.WriteQuantity(csList[0].DrawerNo, csList[0].ColNo, totalQuantity);
                            Thread.Sleep(200);
                        }
                    //    singleChannels.ForEach(it =>
                    //{
                    //    _portUtil.WriteQuantity(it.DrawerNo, it.ColNo, it.Quantity - it.TakeQuantity);
                    //    Thread.Sleep(200);
                    //});
                    }
                }
                AlertMsg alertMsg = new AlertMsg
                {
                    Message = "抽屉取药完成，库存已更新",
                    Type = MsgType.SUCCESS,
                };
                _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
            }
            if (!f.IsSuccess)
            {
                System.Windows.Application.Current.Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.Send, new Action(() =>
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = "抽屉取药完成，库存更新失败！",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                }));
            }
            Status = 0;
            _isFinishClick = false;
            //RequestClose?.Invoke(new DialogResult(ButtonResult.Cancel));
            RequestClose?.Invoke(new DialogResult(ButtonResult.OK));
        }
        public long CurrentTimeMillis()
        {
            return (long)(DateTime.UtcNow - Jan1st1970).TotalMilliseconds;
        }

        // 取消按钮
        public DelegateCommand CancleTake
        {
            get => new DelegateCommand(() =>
            {
                _portUtil.ResetData();
                Status = 0;
            });
        }

        public DelegateCommand BtnCloseCommand
        {
            get => new DelegateCommand(() =>
            {
                if (Status != 0)
                {
                    _portUtil.ResetData();
                    Status = 0;
                }
                //DialogParameters parameters = new DialogParameters();
                //parameters.Add("",);
                // 关闭当前窗口
                RequestClose?.Invoke(new DialogResult(ButtonResult.Cancel));
            });
        }

        public bool KeepAlive => false;
    }
}