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;
using System.Windows.Markup;

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);

        private PortUtil _portUtil;
        IEventAggregator _eventAggregator;
        IDialogService _dialogService;
        public OrderTakeDialogViewModel(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);
        }

        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 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 => 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)
                    .OrderBy(cs => cs.EffDate)
                    .OrderBy(cs => cs.DrawerNo)
                    .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【{orderDetail.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();
                }

            });
        }
        public DelegateCommand OpenDrawer_New
        {
            get => new DelegateCommand(async () =>
            {
                OpenDrawerAction();

            });
        }
        async Task OpenDrawerAction()
        {
            this.Status = 1;
            // 解析需要打开的抽屉列表
            //List<OrderTakeVo> drawerNos = this.data.GroupBy(it => it.ChannelStock.DrawerNo).Select(it => it.First()).ToList();

            // 根据抽屉类型来决定打开前是否需要查询数量
            var promiseUtil = new PromiseUtil<int>();
            enumerable = ChannelStocks.GroupBy(cs => cs.DrawerNo, cs => cs);
            enumerator = enumerable.GetEnumerator();

            _portUtil.WindowName = "OrderTakeDrugWindow";
            _portUtil.BoardType = ChannelStocks.Count > 0 ? ChannelStocks[0].BoardType : 1;
            _portUtil.ColNos = ChannelStocks.Select(it => it.ColNo).ToArray();
            enumerator.MoveNext();

            await promiseUtil.taskAsyncLoop(500, 0, async (options, next, stop) =>
            {
                //var orderTakeVo = drawerNos[options._data];
                //orderTakeVo.ChannelStock.DrawerNo;
                IGrouping<int, ChannelStock> groupingStock = enumerator.Current;
                var drawerNo = groupingStock.Key;
                _portUtil.DrawerNo = groupingStock.Key;
                int[] BeforeQuantity = new int[] { };
                List<ChannelStock> channelStocks = groupingStock.ToList();
                try
                {
                    if (this.Status == 0)
                    {
                        stop();
                    }
                    // 开启抽屉
                    else if (this.Status == 1)
                    {
                        // 储物箱直接开
                        if (channelStocks[0].BoardType == 4)
                        {
                            if (channelStocks[0].DrawerState == 0)
                            {
                                byte[] resultOpen = await _portUtil.OpenStorage();

                                int[] rOpen = resultOpen.Select(it => Convert.ToInt32(it)).ToArray(); 
                                if (rOpen[4] != 0)
                                {
                                    logger.Info($"储物箱使能成功");
                                    channelStocks[0].DrawerState = 1;
                                    next();
                                }
                                else
                                {
                                    string _WindowName = "OrderTakeDialog";
                                    // 重新初始化数据
                                    _portUtil.ResetData();
                                    // 指令发送错误，未打开
                                    // 返回消息  抽屉打开失败
                                    _eventAggregator.GetEvent<PortUtilEvent>().Publish(new util.DeviceMsg()
                                    {
                                        EventType = util.EventType.OPENERROR,
                                        WindowName = "OrderTakeDialog",
                                        Message = "储物箱使能失败"
                                    });
                                    logger.Info($"储物箱使能失败");
                                    _portUtil.ResetData();
                                    stop();
                                }

                            }
                            if (channelStocks[0].DrawerState == 1)
                            {
                                // 查询锁状态
                                byte[] resultBackDoor = await _portUtil.BackDoorState();

                                int[] rBackDoor = resultBackDoor.Select(it => Convert.ToInt32(it)).ToArray();
                                int[] lockStates = _portUtil.CheckStorageStatus(rBackDoor.Skip(3).Take(2).ToArray());
                                int[] lightStates = _portUtil.CheckStorageStatus(rBackDoor.Skip(5).Take(2).ToArray());
                                // 锁处于关闭状态
                                if (lockStates[Convert.ToInt32(ConfigurationManager.AppSettings["StorageBoxAddr"]) - 1] == 0)
                                {
                                    // 锁还未打开过
                                    if (_portUtil.statue == 0)
                                    {
                                        // 指示灯不闪烁了，说明规定时间内没有开锁，需要给前台提示
                                        if (lightStates[Convert.ToInt32(ConfigurationManager.AppSettings["StorageBoxAddr"]) - 1] == 0)
                                        {
                                            // 打开失败
                                            logger.Info($"储物箱指示灯不闪烁，使能过期");
                                            enumerator.MoveNext();
                                            next();
                                        }
                                        else
                                        {
                                            channelStocks[0].DrawerState = 1;
                                            next();
                                        }
                                    }
                                    else if (_portUtil.statue == 1)
                                    {

                                        // 锁是打开状态现在关闭了，说明操作完成了,告诉前台锁已关闭
                                        _portUtil.statue = 2;

                                        string _WindowName = "OrderTakeDialog";
                                        // 重新初始化数据
                                        //ResetData();
                                        _eventAggregator.GetEvent<PortUtilEvent>().Publish(new util.DeviceMsg()
                                        {
                                            EventType = util.EventType.DRAWERCLOSE,
                                            WindowName = _WindowName,
                                        });
                                        logger.Info($"储物箱关闭");
                                        if (options._data == (enumerable.Count() - 1))
                                        {
                                            _portUtil.SpeakAsync($"取药完成，请，点击完成按钮进行确认");
                                            this.Status = 3;
                                            channelStocks[0].DrawerState = 0;
                                            stop();
                                        }
                                        else
                                        {
                                            channelStocks[0].DrawerState = 0;
                                            enumerator.MoveNext();
                                            next();
                                        }
                                    }
                                }
                            }
                        }


                        if (channelStocks[0].DrawerState == 0)
                        {
                            // 判断是否为单支抽屉
                            if (channelStocks[0].BoardType == 2)
                            {
                                byte[] quantity = await _portUtil.CheckQuantityByDrawer();
                                BeforeQuantity = quantity.Select(it => Convert.ToInt32(it)).ToArray().Skip(3).Take(9).ToArray();
                                logger.Info($"单支抽屉，开抽屉前检测数量【{string.Join(",", BeforeQuantity)}】");

                                await _portUtil.HasLightOnByCol();
                            }
                            // 药盒
                            if (channelStocks[0].BoardType == 3)
                            {
                                // 药盒指示灯使能
                                await _portUtil.BoxLockLightOn();
                            }
                            if (channelStocks[0].BoardType == 6)
                            {
                                // 药盒指示灯使能
                                await _portUtil.BoxLockLightOn2();
                            }
                            byte[] buffer = await _portUtil.OpenDrawer();
                            int[] r = buffer.Select(it => Convert.ToInt32(it)).ToArray();

                            logger.Info($"OpenDrawer{string.Join(",", r)}");
                            if (_portUtil.DrawerState(r))
                            {
                                _portUtil.SpeakAsync($"{drawerNo}号抽屉已经打开，请，取药");
                                channelStocks[0].DrawerState = 1;
                                next();
                            }
                            else
                            {
                                AlertMsg alertMsg = new AlertMsg
                                {
                                    Message = $"抽屉【{drawerNo}】打开失败，请检测硬件",
                                    Type = MsgType.ERROR,
                                };
                                _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);

                                logger.Info($"抽屉打开失败");
                                _portUtil.ResetData();
                                stop();
                            }
                        }
                        // 检测状态
                        else if (channelStocks[0].DrawerState == 1)
                        {
                            // 查询抽屉是否为关闭状态
                            byte[] buffer = await _portUtil.CheckDrawerStatus();

                            int[] r = buffer.Select(it => Convert.ToInt32(it)).ToArray();

                            logger.Info($"GetDrawerStatus{string.Join(",", r)}");
                            // 抽屉没有关闭
                            if (_portUtil.DrawerState(r))
                            {
                                if (channelStocks[0].BoardType == 2)
                                {
                                    byte[] quantity = await _portUtil.CheckQuantityByDrawer();
                                    int[] AfterQuantity = quantity.Select(it => Convert.ToInt32(it)).ToArray().Skip(3).Take(9).ToArray();
                                    logger.Info($"AfterQuantity{string.Join(",", AfterQuantity)}");
                                    logger.Info($"单支抽屉，抽屉未关检测数量【{string.Join(",", AfterQuantity)}】");

                                    ChannelStocks.ForEach(cl =>
                                    {
                                        if (cl.DrawerNo == drawerNo)
                                        {
                                            logger.Info($"单支抽屉【{drawerNo}】，应取药品数量【{cl.Quantity}】,现实取数量【{BeforeQuantity[cl.ColNo - 1] - AfterQuantity[cl.ColNo - 1]}】");
                                        }

                                    });
                                }
                                next(); // continue iteration
                            }
                            else
                            {
                                ChannelStocks.ForEach(cl =>
                                {
                                    if (cl.DrawerNo == drawerNo)
                                    {
                                        cl.TakeQuantity = cl.Quantity;

                                    }
                                });
                                channelStocks[0].DrawerState = 2;
                                if (options._data == (enumerable.Count() - 1))
                                {
                                    _portUtil.SpeakAsync($"取药完成，请，点击完成按钮进行确认");
                                    this.Status = 3;
                                    channelStocks[0].DrawerState = 0;
                                    stop();
                                }
                                else
                                {
                                    options._data += 1;
                                    channelStocks[0].DrawerState = 0;
                                    enumerator.MoveNext();
                                    next();
                                }
                            }
                        }


                    }
                }
                catch (Exception e)
                {
                    //_portUtil.ResetData();
                    logger.Info($"处方取药发生错误，{e.Message}"); AlertMsg alertMsg = new AlertMsg
                    {
                        Message = $"处方取药发生错误{e.Message}",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);

                    stop();
                }
            });
        }
        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();
                    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++)
                            {
                                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)
                                }).ExecuteCommand();
                            }
                            return true;
                        });
                        if (f.Data)
                        {
                            // 更新屏显库存
                            List<ChannelStock> singleChannels = record.FindAll(it => it.BoardType != 1);
                            if ((singleChannels.Count > 0 ? singleChannels[0].BoardType : 1) == 5)
                            {
                                singleChannels.ForEach(it =>
                                {
                                    _portUtil.WriteQuantity(it.DrawerNo, it.ColNo, it.Quantity - it.TakeQuantity);
                                });
                            }
                            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(() =>
            {
                //Status = 0;
                //_portUtil.statue = 0;
                //_portUtil.ResetData();


                if (Status != 0)
                {
                    _portUtil.ResetData();
                    Status = 0;
                }
                RequestClose?.Invoke(new DialogResult(ButtonResult.Cancel));
            });
        }

        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;
    }
}