using log4net;
using Microsoft.Xaml.Behaviors;
using NetTaste;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Speech.Synthesis;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Port;
using DM_Weight.select;
using DM_Weight.util;
using System.Threading;

namespace DM_Weight.ViewModels
{
    public class OrderTakeDialogViewModel : BindableBase, IDialogAware, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(OrderTakeDialogViewModel));
        public string Title => "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;
        //private SqlSugarScope SqlSugarHelper.Db;
        public OrderTakeDialogViewModel(PortUtil portUtil, IEventAggregator eventAggregator, IDialogService DialogService, SqlSugarScope sqlSugarScope)
        {
            _dialogService = DialogService;
            _portUtil = portUtil;
            _eventAggregator = eventAggregator;
            //this.SqlSugarHelper.Db = sqlSugarScope;
        }

        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(80);
                                }
                                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);
        }

        private OrderInfo? _orderInfo;


        public 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)
        {
            _eventAggregator.GetEvent<PortUtilEvent>().Subscribe(DoMyPrismEvent);
            OrderInfo o = parameters.GetValue<OrderInfo>("orderInfo");
            OrderInfo = o;
            RequestData();
        }

        public 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 => od.OrderNo == OrderInfo.OrderNo&&od.DetailStatus==0)
                  .Select(od => new OrderDetail
                  {
                      Id = od.Id,
                      DrugId = od.DrugId,
                      SetEffDate = od.SetEffDate,
                      SetManuNo = od.SetManuNo,
                      OrderNo = od.OrderNo,
                      Quantity = SqlFunc.AggregateSum(od.Quantity)
                  })
                .GroupBy(od => new { od.DrugId, od.SetEffDate, od.SetManuNo })
                  .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];

                //bool bAdmin=false;
                ////有开后8个抽屉的权限
                //if(App.CurrentFaUserList.Role.LastEightChecked=="1")
                //{
                //    bAdmin = true;
                //}
                List<ChannelStock> HasQChannels = SqlSugarHelper.Db.Queryable<ChannelStock>()
                    .Includes<DrugInfo>(cs => cs.DrugInfo)
                    .InnerJoin<ChannelList>((cs, cl) => cs.Chnguid == cl.Id && cs.DrugId == cl.DrugId)
                    .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;
                // 说明数量足够
                if (total >= TakeQ)
                {
                    for (int j = 0; TakeQ > 0; j++)
                    {
                        ChannelStock stock = HasQChannels[j];
                        if (TakeQ > stock.Quantity)
                        {
                            stock.TakeQuantity = stock.Quantity;
                            channelStocks.Add(stock);
                            TakeQ -= stock.Quantity;
                        }
                        else
                        {
                            stock.TakeQuantity = TakeQ;
                            channelStocks.Add(stock);
                            TakeQ = 0;
                        }
                    }
                }
                else
                {
                    msg.Add($"药品【{HasQChannels[0].DrugInfo.DrugName}】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);
            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(it => it.Quantity);
                   ret.TakeQuantity = it.Sum(it => it.TakeQuantity);
                   return ret;
               })
               .ToList()
               .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 = new int[] { };// singleChannels.Select(it => it.ColNo).ToArray();
            //_portUtil.Stocks = singleChannels.Select(it => it.Quantity).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();
                    if (record.Count > 0)
                    {

                        string InvoiceId = OrderInfo.OrderNo;
                        var f = SqlSugarHelper.Db.UseTran(() =>
                        {
                            SqlSugarHelper.Db.Updateable(new OrderInfo()
                            {
                                DmStatus = 1,
                                OrderNo = OrderInfo.OrderNo
                            }).UpdateColumns(it => new { it.DmStatus }).WhereColumns(it => new { it.OrderNo }).ExecuteCommand();

                            //SqlSugarHelper.Db.Insertable(new OrderFinish()
                            //{
                            //    OrderNo = OrderInfo.OrderNo,
                            //    PatientId = OrderInfo.PatientId,
                            //    Pharmacy = OrderInfo.Pharmacy,
                            //    State = 1,
                            //    Operator = HomeWindowViewModel.Operator?.Nickname,
                            //});

                            for (int i = 0; i < record.Count; i++)
                            {
                                int ordinalNum = SqlSugarHelper.Db.Queryable<MachineRecord>()
                                       .Where(mr => mr.OperationTime.ToString("yyyy-MM-dd") == DateTime.Now.ToString("yyyy-MM-dd")&&mr.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))
                                       .Max(mr => mr.OrdinalNum);
                                ChannelStock it = record[i];
                                // 更新数据 库存信息
                                SqlSugarHelper.Db.Updateable(new ChannelStock()
                                {
                                    Quantity = it.Quantity - it.TakeQuantity,
                                    ManuNo = it.ManuNo,
                                    EffDate = it.EffDate,
                                    Id = it.Id,
                                }).UpdateColumns(it => new { it.Quantity, it.ManuNo, it.EffDate }).ExecuteCommand();
                                // 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();

                                // 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 = it.TakeQuantity,
                                    Type = 2,
                                    InvoiceId = InvoiceId,
                                    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.DeptName,
                                    ReceivePerson = ReceivePerson,
                                    OrdinalNum = ordinalNum<=0?1:ordinalNum+ 1,
                                }).ExecuteCommand();
                            }
                            //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.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();
                            }
                            return true;
                        });
                        if (f.Data)
                        {
                            // 更新屏显库存
                            //List<ChannelStock> singleChannels = record.FindAll(it => it.BoardType != 1);
                            List<ChannelStock> singleChannels = record.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();
                            //if ((singleChannels.Count > 0 ? singleChannels[0].BoardType : 1) == 5)
                            //{
                            //singleChannels.ForEach(it =>
                            //{
                            //    _portUtil.WriteQuantity(it.DrawerNo, it.ColNo, it.Quantity - it.TakeQuantity);
                            //});
                            //}
                            if (singleChannels.Count > 0)
                            {
                                for (int i = 0; i < singleChannels.Count; i++)
                                {
                                    if (singleChannels[i].BoardType == 5)
                                    {
                                        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);

                                            //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)
                                            //                                    .Sum(it => it.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);
                                            //将库位多批次的总库存数更新标签
                                            _portUtil.WriteQuantity(csList[i].DrawerNo, csList[i].ColNo, totalQuantity);
                                            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)
                        {
                            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));
                    }
                    else
                    {
                        _isFinishClick = false;
                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = "没有填写取药数量",
                            Type = MsgType.ERROR
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    }

                }

            });
        }

        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 => true;
    }
}