using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Port;
using DM_Weight.select;
using DM_Weight.Services;
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 System;
using System.Collections;
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.Documents;

namespace DM_Weight.ViewModels
{
    public class InvoiceInNewWindowViewModel : BindableBase, IConfirmNavigationRequest, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(InvoiceInNewWindowViewModel));
        private int _pageNum = 1;
        public int PageNum
        {
            get => _pageNum;
            set
            {
                SetProperty(ref _pageNum, value);
                RequestData();
            }
        }

        private int _pageCount = 1;
        public int PageCount
        {
            get => _pageCount;
            set
            {
                SetProperty(ref _pageCount, value);
            }
        }

        private int _pageSize = 8;
        public int PageSize
        {
            get => _pageSize;
            set
            {
                SetProperty(ref _pageSize, value);
            }
        }

        private int _totalCount = 0;
        public int TotalCount
        {
            get => _totalCount;
            set
            {
                SetProperty(ref _totalCount, value);
            }
        }
        private int _status = 0;

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

        IDialogService _dialogService;


        IEventAggregator _eventAggregator;

        private DelegateCommand _rowSelected;

        public DelegateCommand RowSelected => _rowSelected ??= new DelegateCommand(GetChannelByInvoice);
        ////private SqlSugarScope SqlSugarHelper.Db;
        private PortUtil _portUtil;
        private SqlHelperService _mysqlHelper;
        public InvoiceInNewWindowViewModel(PortUtil portUtil, IDialogService DialogService, IEventAggregator eventAggregator, SqlHelperService mysqlHelper)
        {
            _portUtil = portUtil;
            _dialogService = DialogService;
            _eventAggregator = eventAggregator;
            _mysqlHelper = mysqlHelper;
            ////this.SqlSugarHelper.Db = sqlSugarScope;
        }
        void DoMyPrismEvent(DeviceMsg msg)
        {

            if (msg.WindowName.Equals(WindowName))
            {
                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:

                        logger.Info($"抽屉打开,channelStocks{channelStocks != null}");

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

                        break;
                    // 抽屉关闭
                    case EventType.DRAWERCLOSE:
                        if (Status == 1)
                        {
                            //if (channelStocks != null && channelStocks[0] != null && 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}】库位药品数量【{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;
                }
            }

        }

        public static List<OrderTakeSelect> StaticOrderTakeSelects = new()
        {
            new OrderTakeSelect
            {
                Code = "invoiceNo",
                Name = "凭证单号"
            }
        };

        private List<OrderTakeSelect> _orderTakeSelects = StaticOrderTakeSelects;

        public List<OrderTakeSelect> OrderTakeSelects
        {
            get { return _orderTakeSelects; }
            set
            {
                SetProperty(ref _orderTakeSelects, value);
            }
        }

        private OrderTakeSelect _selectedItem = StaticOrderTakeSelects[0];
        /// <summary>
        /// 查询条件 查询字段
        /// </summary>
        public OrderTakeSelect SelectedItem
        {
            get { return _selectedItem; }
            set
            {
                SetProperty(ref _selectedItem, value);
                RequestData();
            }
        }

        private Invoice? _selectedInvoice;

        public Invoice? SelectedInvoice
        {
            get { return _selectedInvoice; }
            set
            {
                SetProperty(ref _selectedInvoice, value);

                //OpenOrderDialog();
            }
        }


        private string _orderDate = DateTime.Now.ToString("yyyy-MM-dd");
        /// <summary>
        /// 查询条件  处方日期
        /// </summary>
        public string OrderDate
        {
            get { return _orderDate; }
            set
            {
                if (!String.IsNullOrEmpty(value))
                {
                    SetProperty(ref _orderDate, DateTime.Parse(value).ToString("yyyy-MM-dd"));
                }
                else
                {
                    SetProperty(ref _orderDate, value);
                }

                RequestData();
            }
        }

        private string? _searchValue;

        /// <summary>
        /// 查询条件 查询字段值
        /// </summary>
        public string? SearchValue
        {
            get { return _searchValue; }
            set
            {
                SetProperty(ref _searchValue, value);
                RequestData();
            }
        }

        private List<Invoice> _invoices = new();

        public List<Invoice> Invoices { get { return _invoices; } set { SetProperty(ref _invoices, value); } }


        private List<InOutInvoice> _inOutInvoices = new();

        public List<InOutInvoice> InOutInvoices { get { return _inOutInvoices; } set { SetProperty(ref _inOutInvoices, value); } }


        private ObservableCollection<ChannelList>? _channelLsts = new();

        public ObservableCollection<ChannelList>? ChannelLsts
        {
            get => _channelLsts;
            set => SetProperty(ref _channelLsts, value);
        }
        private List<ChannelStock> _channelStocks = new List<ChannelStock>();
        public List<ChannelStock> ChannelStocks
        {
            get => _channelStocks;
            set => SetProperty(ref _channelStocks, value);
        }
        private IEnumerable<IGrouping<int, ChannelStock>> enumerable;
        private IEnumerator<IGrouping<int, ChannelStock>> enumerator;
        private string WindowName = "InvoiceAddWindow";
        //private List<ChannelStock> _channelStocks = new();

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



        private List<ChannelStock> _addChannels = new();

        public List<ChannelStock> AddChannels { get { return _addChannels; } set { SetProperty(ref _addChannels, value); } }
        //左侧点击事件
        public void GetChannelByInvoice()
        {
            //ChannelStocks.Clear();
            ChannelLsts.Clear();
            InOutInvoices.Clear();
            List<ChannelStock> iChannelStock = new List<ChannelStock>();
            if (SelectedInvoice != null)
            {
                //先查询有几种药
                //string strSql = @"SELECT sum(Quantity) AS SumQuantity, COUNT(ID) AS CountNum,INVOICE_NO AS InvoiceNo,drug_id AS DrugId,QUANTITY AS quantity,drug_manu_no AS drugManuNo FROM IN_OUT_INVOICE WHERE INVOICE_NO=@INVOICE_NO  GROUP BY INVOICE_NO,DRUG_ID";

                //var invoices = SqlSugarHelper.Db.SqlQueryable<InOutInvoice>(strSql)
                //                                    .AddParameters(new
                //                                    {
                //                                        INVOICE_NO = SelectedInvoice.InvoiceNo
                //                                    })
                //                                    .Select(it => new InOutInvoice())
                //                                    .Select("*").ToList();

                var invoices = _mysqlHelper.GetInvoiceByInvoiceNo(SelectedInvoice.InvoiceNo);

                for (int i = 0; i < invoices.Count; i++)
                {
                    //查询药品是否绑定
                    //List<ChannelList> channelL = SqlSugarHelper.Db.Queryable<ChannelList>()
                    //                             .Includes(cl => cl.Drug, di => di.DrugManuNos)
                    //                             //.Includes(cl => cl.channelStocks, dr => dr.DrugInfo, d => d.DrugManuNos)
                    //                             .Where(cl => cl.DrugId == invoices[i].DrugId && cl.MachineId == (ConfigurationManager.AppSettings["machineId"] ?? "DM1")).ToList();
                    List<ChannelList> channelL = _mysqlHelper.GetChannelList(invoices[i].DrugId);
                    ChannelList channelLst = channelL.Count > 0 ? channelL[0] : null;
                    if (channelL.Count <= 0)
                    {
                        //药品未绑定库位，需要先绑药
                        //AlertMsg alertMsg = new AlertMsg
                        //{
                        //    Message = "药品未绑定库位,请先绑定库位",
                        //    Type = MsgType.ERROR,
                        //};
                        //_eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        continue;
                    }
                    //ChannelStock stock = new ChannelStock();
                    //查询每种药有多少个批次
                    //var invoicesManuNo = SqlSugarHelper.Db.Queryable<InOutInvoice>()
                    //           .Where(iManuNo => iManuNo.InvoiceNo == invoices[i].InvoiceNo && iManuNo.DrugId == invoices[i].DrugId && iManuNo.Status == 0 && iManuNo.Type != 2 && iManuNo.CancelFlag == 0).ToList();

                    var invoicesManuNo = _mysqlHelper.GetInvoiceManu(invoices[i].InvoiceNo, invoices[i].DrugId);
                    for (int j = 0; j < invoicesManuNo.Count; j++)
                    {
                        //查询是否有库存
                        //List<ChannelStock> stockList = SqlSugarHelper.Db.Queryable<ChannelStock>()
                        //     .Where(cs => cs.ManuNo == invoicesManuNo[j].DrugManuNo && cs.DrugId == invoicesManuNo[j].DrugId && cs.MachineId == (ConfigurationManager.AppSettings["machineId"] ?? "DM1")).ToList();
                        List<ChannelStock> stockList = _mysqlHelper.GetInvoiceStock(invoicesManuNo[j].DrugId, invoicesManuNo[j].DrugManuNo);
                        // List <DrugManuNo> manuNoList = SqlSugarHelper.Db.Queryable<DrugManuNo>().Where(dm => dm.ManuNo == invoicesManuNo[j].DrugManuNo && dm.DrugId == invoicesManuNo[j].DrugId).ToList();
                        // DrugManuNo manuNoList = _mysqlHelper.GetManuNoList(invoicesManuNo[j].DrugId, invoicesManuNo[j].DrugManuNo);
                        if (stockList == null || stockList.Count <= 0)
                        {
                            //if (manuNoList == null||manuNoList.Id==null)
                            //{
                            //    //药品批次不存在
                            //    AlertMsg alertMsg = new AlertMsg
                            //    {
                            //        Message = $"药品批次{invoicesManuNo[j].DrugManuNo}不存在，请核对药品批次信息!",
                            //        Type = MsgType.ERROR,
                            //    };
                            //    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                            //    continue;
                            //}
                            //没有根据药品绑定库位写入数据
                            for (int k = 0; k < channelL.Count; k++)
                            {

                                ChannelStock stock = new ChannelStock();
                                stock.MachineId = ConfigurationManager.AppSettings["machineId"] ?? "DM1";
                                stock.DrawerNo = channelL[k].DrawerNo;
                                stock.BoardType = channelL[k].BoardType;
                                stock.DrawerType = channelL[k].DrawerType;
                                stock.ColNo = channelL[k].ColNo;
                                stock.DrugId = channelL[k].DrugId;
                                stock.ManuNo = invoicesManuNo[j].DrugManuNo;
                                stock.EffDate = Convert.ToDateTime(invoicesManuNo[j].DrugEffDate).ToString("yyyy-MM-dd");
                                stock.Chnguid = channelL[k].Id;
                                stockList.Add(stock);
                            }
                        }
                        else
                        {
                            //药品有库存，则除了将对应药品批次数据列出来外，还要将当前已绑定的药品下添加上该批次
                            for (int k = 0; k < channelL.Count; k++)
                            {
                                //有库存且批次抽屉库位与将要插入的批次抽屉库位一致则跳过
                                if (stockList.Where(t => t.ManuNo == invoicesManuNo[j].DrugManuNo && t.ColNo == channelL[k].ColNo && t.DrawerNo == channelL[k].DrawerNo).FirstOrDefault() != null)
                                {
                                    continue;
                                }
                                ChannelStock stock = new ChannelStock();
                                stock.MachineId = ConfigurationManager.AppSettings["machineId"] ?? "DM1";
                                stock.DrawerNo = channelL[k].DrawerNo;
                                stock.BoardType = channelL[k].BoardType;
                                stock.DrawerType = channelL[k].DrawerType;
                                stock.ColNo = channelL[k].ColNo;
                                stock.DrugId = channelL[k].DrugId;
                                stock.ManuNo = invoicesManuNo[j].DrugManuNo;
                                stock.EffDate = Convert.ToDateTime(invoicesManuNo[j].DrugEffDate).ToString("yyyy-MM-dd");
                                stock.Chnguid = channelL[k].Id;
                                stockList.Add(stock);
                            }
                        }
                        //stock.AddQuantity = invoicesManuNo[j].quantity;
                        //stockList.ForEach(s => s.AddQuantity = invoicesManuNo[j].quantity);
                        stockList.GroupBy(x => x.ManuNo)
                           .Select(it =>
                           {
                               var ret = it.First();
                               ret.AddQuantity = invoicesManuNo[j].quantity;
                               return ret;
                           })
                           .ToList();

                        if (channelLst.channelStocks == null)
                        {
                            channelLst.channelStocks = new List<ChannelStock>();
                        }
                        channelLst.channelStocks.AddRange(stockList);
                    }

                    InOutInvoice copy = TransExpV2<InOutInvoice, InOutInvoice>.Trans(invoices[i]);
                    InOutInvoices.Add(copy);
                    ChannelLsts.Add(channelLst);
                }
            }

        }

        public DelegateCommand OpenInvoiceAdd
        {
            get => new DelegateCommand(() =>
            {
                bool flag = true;
                ChannelStocks.Clear();
                foreach (ChannelList lst in ChannelLsts)
                {
                    if (lst.channelStocks != null)
                    {
                        ChannelStocks.AddRange(lst.channelStocks);
                    }
                }
                AddChannels = ChannelStocks.FindAll(it => it.AddQuantity != 0);

                enumerable = AddChannels.GroupBy(cs => cs.DrawerNo, cs => cs);
                enumerator = enumerable.GetEnumerator();
                OpenDrawer(AddChannels);
            }, () => SelectedInvoice != null).ObservesProperty(() => SelectedInvoice);
        }

        private void OpenDrawer(List<ChannelStock> AddChannels)
        {
            if (Status == 0)
            {
                if (AddChannels == null || AddChannels.Count <= 0)
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = "请输入入库数量",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    return;
                }
                int totalNum = AddChannels.Sum(add => add.AddQuantity);
                if (totalNum != SelectedInvoice.Quantity)
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = "各批次添加数量要与调拨单药品总数一致！",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    return;
                }
                enumerator.MoveNext();
                Status = 1;
                OpenOneByOne();
            }
        }
        private async 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 = new List<ChannelStock>();
            for (int i = 0; i < channelStocks.Count; i++)
            {
                ChannelStock copy = TransExpV2<ChannelStock, ChannelStock>.Trans(channelStocks[i]);
                singleChannels.Add(copy);
            }
            singleChannels = singleChannels.GroupBy(it => new
            {
                it.DrawerNo,
                it.ColNo
            }).Select(it =>
            {
                var ret = it.First();
                ret.Quantity = it.Sum(itx => itx.Quantity);
                ret.AddQuantity = it.Sum(itx => itx.AddQuantity);
                return ret;
            }).ToList().FindAll(it => it.BoardType != 1);

            _portUtil.WindowName = WindowName;
            _portUtil.BoardType = singleChannels.Count > 0 ? singleChannels[0].BoardType : 1;
            _portUtil.ColNos = singleChannels.Select(it => it.ColNo).ToArray();
            _portUtil.Stocks = singleChannels.Select(it => it.Quantity).ToArray();
            _portUtil.DrawerNo = DrawerNo;

            if ((singleChannels.Count > 0 ? singleChannels[0].BoardType : 1) == 5)
            {
                List<ChannelStock> ChannelLst = new List<ChannelStock>();
                for (int i = 0; i < channelStocks.Count; i++)
                {
                    ChannelStock copy = TransExpV2<ChannelStock, ChannelStock>.Trans(channelStocks[i]);
                    singleChannels.Add(copy);
                }
                ChannelLst = ChannelLst.Where(it => it.BoardType != 1)
                                                                        .GroupBy(it => it.ColNo)
                                                                        .Select(it =>
                                                                        {
                                                                            var ret = it.First();
                                                                            ret.Quantity = it.Sum(itx => itx.Quantity);
                                                                            ret.AddQuantity = it.Sum(itx => itx.AddQuantity);
                                                                            return ret;
                                                                        }).ToList();
                // 发送加药数量
                singleChannels.ForEach(it =>
                {
                    _portUtil.TakeQuantity(DrawerNo, it.ColNo, it.AddQuantity, it.Quantity + it.AddQuantity);
                });
            }

            if ((singleChannels.Count > 0 ? singleChannels[0].BoardType : 1) == 6)
            {
                for (int i = 0; i < singleChannels.Count; i++)
                {
                    ChannelStock it = singleChannels[i];
                    _portUtil.ClearCount(it.DrawerNo, it.ColNo);
                    await Task.Delay(50);
                }
            }

            _portUtil.Start();
        }
        private bool _isFinishClick = false;
        // 完成按钮
        public DelegateCommand TakeFinish
        {
            get => new DelegateCommand(async () =>
            {
                if (!_isFinishClick)
                {
                    try
                    {


                        _isFinishClick = true;
                        List<ChannelStock> record = ChannelStocks.Where(cs => cs.AddQuantity > 0).ToList();
                        string InvoiceId = SelectedInvoice.InvoiceNo;
                        bool bFlag = _mysqlHelper.SaveInvoiceIn(record, SelectedInvoice);
                        if (bFlag)
                        {
                            Status = 1;
                            // 更新屏显库存
                            //List<ChannelStock> singleChannels = record.FindAll(it => it.BoardType != 1);
                            List<ChannelStock> singleChannels = record.Where(it => it.BoardType == 5)
                                                                            .GroupBy(it => new { it.DrawerNo, it.ColNo })
                                                                            .Select(it =>
                                                                            {
                                                                                var ret = it.First();
                                                                                //ret.Quantity = it.Sum(itx => itx.Quantity);
                                                                                //ret.AddQuantity = it.Sum(itx => itx.AddQuantity);
                                                                                return ret;
                                                                            })
                                                                            .ToList();
                            if (singleChannels != null && singleChannels.Count > 0)
                            {
                                for (int i = 0; i < singleChannels.Count; i++)
                                {
                                    //if (singleChannels[i].BoardType == 5)
                                    //{
                                    List<ChannelStock> channelStockEffDate = _mysqlHelper.GetChannelStockListForInvoice(singleChannels[i].DrawerNo, singleChannels[i].ColNo);
                                    //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)
                                    //.Where(cs => cs.Quantity > 0)
                                    //.OrderBy(cs => cs.EffDate).ToList();
                                    int totalQuantity = channelStockEffDate.Sum(it => it.Quantity);
                                    if (channelStockEffDate != null && channelStockEffDate.Count > 0)
                                    {
                                        //将库位多批次的总库存数更新标签
                                        _portUtil.WriteQuantity(channelStockEffDate[0].DrawerNo, channelStockEffDate[0].ColNo, totalQuantity);
                                        Thread.Sleep(200);
                                        _portUtil.WriteChannelInfo(6, channelStockEffDate[0].EffDate == null ? "" : channelStockEffDate[0].EffDate, channelStockEffDate[0].DrawerNo, channelStockEffDate[0].ColNo);
                                        Thread.Sleep(200);
                                        _portUtil.WriteChannelInfo(5, channelStockEffDate[0].ManuNo, channelStockEffDate[0].DrawerNo, channelStockEffDate[0].ColNo);
                                        Thread.Sleep(200);
                                        _portUtil.ShowContent(channelStockEffDate[0].DrawerNo, channelStockEffDate[0].ColNo);
                                    }
                                    //}
                                }
                            }




                            AlertMsg alertMsg = new AlertMsg
                            {
                                Message = "操作完成，库存已更新",
                                Type = MsgType.SUCCESS,
                            };
                            _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        }
                        else
                        {
                            logger.Info($"调拨入库，库存更新失败");
                            AlertMsg alertMsg = new AlertMsg
                            {
                                Message = "库存更新失败",
                                Type = MsgType.ERROR,
                            };
                            _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        }
                        Status = 0;
                        _isFinishClick = false;
                    }
                    catch (Exception ex)
                    {
                        Status = 0;
                        _isFinishClick = false;
                    }
                }
                RequestData();
            });
        }
        // 取消按钮
        public DelegateCommand CancleTake
        {
            get => new DelegateCommand(() =>
            {
                RequestData();
                _portUtil.ResetData();
                Status = 0;
            });
        }
        public async void OpenOrderDialog()
        {
            //if (SelectedInvoice != null && SelectedInvoice.Status == 0)
            //{
            //    // 此处延时1毫秒，等待页面渲染
            //    await Task.Delay(TimeSpan.FromMilliseconds(1));
            //    DialogParameters dialogParameters = new DialogParameters();
            //    dialogParameters.Add("invoice", SelectedInvoice);
            //    dialogParameters.Add("ChannelStocks", AddChannels);
            //    DialogServiceExtensions.ShowDialogHost(_dialogService, "InvoiceAddDialog", dialogParameters, DoDialogResult, "RootDialog");
            //}
        }

        public DelegateCommand QueryCommand
        {
            get => new DelegateCommand(() =>
            {
                RequestData();
            });
        }

        public bool KeepAlive => true;

        private void DoDialogResult(IDialogResult dialogResult)
        {
            // 委托   被动执行     被子窗口执行
            // dialogResult  第一方面可以拿到任意参数   第二方面   可判断关闭状态
            //if (dialogResult.Result == ButtonResult.OK)
            {
                SelectedInvoice = null;
                RequestData();
            }
            //MessageBox.Show("返回值：" + dialogResult.Result.ToString());
        }


        //这个方法用于拦截请求,continuationCallback(true)就是不拦截，continuationCallback(false)拦截本次操作
        public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
        {
            continuationCallback(true);
        }

        public void RequestData()
        {
            Invoices.Clear();
            int totalCount = 0;

            //var sb = new StringBuilder();
            ////sb.Append("select i.invoice_no as InvoiceNo, i.invoice_date as InvoiceDate, COUNT(i.id) as `Count`, SUM(i.quantity) as quantity, p1.pharmacy_name as PharmacyName1, p2.pharmacy_name as PharmacyName2 from in_out_invoice i");
            //sb.Append(" SELECT count(1) as Count, i.InvoiceNo, i.InvoiceDate, sum(i.quantity) as quantity, p1.pharmacy_name as PharmacyName1, p2.pharmacy_name PharmacyName2 from ");
            //sb.Append(" (SELECT drug_id,in_pharmacy_id,out_pharmacy_id, invoice_no as InvoiceNo, DATE_FORMAT(Invoice_Date,'%Y-%m-%d')  as InvoiceDate, SUM(quantity) as quantity ");
            //sb.Append(" FROM in_out_invoice where status=@Status  and type!=@type  and cancel_flag=@CancelFlag GROUP BY invoice_no,drug_id) i ");
            //sb.Append(" inner join ( select c.drug_id as drug_id from channel_list c where c.machine_id = '" + (ConfigurationManager.AppSettings["machineId"] ?? "DM1") + "' group by c.drug_id ) di on di.drug_id = i.drug_id");
            //sb.Append(" left join pharmacy_info p1 on p1.pharmacy_id = i.in_pharmacy_id");
            //sb.Append(" left join pharmacy_info p2 on p2.pharmacy_id = i.out_pharmacy_id where 1=1");
            ////sb.Append(" where i.status=@Status ");
            ////sb.Append(" and i.type!=@type ");
            ////sb.Append(" and i.cancel_flag=@CancelFlag ");
            //if (OrderDate != null)
            //{
            //    sb.Append(" and i.InvoiceDate = @CreateTime ");
            //}
            //if (!String.IsNullOrEmpty(SearchValue))
            //{
            //    sb.Append(" and i.InvoiceNo = @InvoiceNo ");
            //}
            //if (!String.IsNullOrEmpty(ConfigurationManager.AppSettings["storage"]))
            //{
            //    sb.Append(" and i.in_pharmacy_id = @OutPharmacyId ");
            //}
            ////sb.Append(" group by i.invoice_no");
            //sb.Append(" GROUP BY  i.InvoiceNo  order by i.InvoiceDate ");
            //Invoices = SqlSugarHelper.Db.SqlQueryable<dynamic>(sb.ToString())
            //    .AddParameters(new
            //    {
            //        Status = 0,
            //        type = 2,
            //        CancelFlag = 0,
            //        CreateTime = OrderDate,
            //        InvoiceNo = SearchValue,
            //        OutPharmacyId = ConfigurationManager.AppSettings["storage"]
            //    })
            //    .Select(it => new Invoice())
            //    .Select("*")
            //    .ToPageList(PageNum, PageSize, ref totalCount);

            Invoices = _mysqlHelper.GetInvoiceInfo(OrderDate, SearchValue, PageNum, PageSize, ref totalCount);

            TotalCount = totalCount;
            PageCount = (int)Math.Ceiling((double)TotalCount / PageSize);
        }
        //接收导航传过来的参数  现在是在此处初始化了表格数据
        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            _eventAggregator.GetEvent<PortUtilEvent>().Subscribe(DoMyPrismEvent);
            RequestData();
        }

        //每次导航的时候，该实列用不用重新创建，true是不重新创建,false是重新创建
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        //这个方法用于拦截请求
        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
            _eventAggregator.GetEvent<PortUtilEvent>().Unsubscribe(DoMyPrismEvent);
        }
    }
}