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 DM_Weight.Common;

namespace DM_Weight.ViewModels
{
    public class InvoiceTakeDialogViewModel : BindableBase, IDialogAware, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(InvoiceTakeDialogViewModel));
        public string Title => "调拨出库";


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

        void DoMyPrismEvent(DeviceMsg msg)
        {

            if (msg.WindowName == "InvoiceTakeDrugWindow")
            {
                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);
                            }
                        }

                        //是冰箱抽屉则开冰箱抽屉时发送延迟报警指令
                        CheckIsFridgeOpen();
                        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;
                            }
                        }
                        //是冰箱抽屉则开冰箱抽屉时发送延迟报警指令
                        CheckIsFridgeClose();
                        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 Invoice? _invoic;


        public Invoice? Invoice
        {
            get => _invoic;
            set => SetProperty(ref _invoic, value);
        }

        private List<InOutInvoice> invoices { 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);
            Invoice o = parameters.GetValue<Invoice>("invoice");
            Invoice = o;
            RequestData();
        }

        public void RequestData()
        {
            invoices = SqlSugarHelper.Db.Queryable<InOutInvoice>()
                .Includes<DrugInfo>(i => i.DrugInfo)
                .InnerJoin(SqlSugarHelper.Db.Queryable<ChannelStock>().Where(cs => cs.DrawerType == (Int32)DrawerTypeEnum.drawerTypeOne).Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1")).GroupBy(cs =>cs.DrugId),(i,t) => i.DrugId == t.DrugId)
                .Where(i => i.InvoiceNo == Invoice.InvoiceNo)
                .ToList();

            List<ChannelStock> channelStocks = new List<ChannelStock>();
            List<string> msg = new List<string>();
            for (int i = 0; i < invoices.Count; i++)
            {
                InOutInvoice invoice = invoices[i];

                List<ChannelStock> HasQChannels = SqlSugarHelper.Db.Queryable<ChannelStock>()
                    .Includes<DrugInfo>(cs => cs.DrugInfo)
                    .Where(cs => cs.Quantity > 0)
                    .Where(cs => cs.DrawerType == (Int32)DrawerTypeEnum.drawerTypeOne)
                    .Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))
                    .WhereIF(!string.IsNullOrEmpty(invoice.DrugEffDate), cs => cs.EffDate.Equals(invoice.DrugEffDate))
                    .WhereIF(!string.IsNullOrEmpty(invoice.DrugManuNo), cs => cs.ManuNo.Equals(invoice.DrugManuNo))
                    .Where(cs => cs.DrugId == invoice.DrugId)
                    .OrderBy(cs => cs.EffDate)
                    .ToList();
                int total = HasQChannels.Sum(it => it.Quantity);
                int TakeQ = invoice.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【{invoice.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 != (Int32)BoardTypeEnum.separation);

            // 发送取药数量
            singleChannels.ForEach(it =>
            {
                _portUtil.TakeQuantity(DrawerNo, it.ColNo, it.TakeQuantity, it.Quantity - it.TakeQuantity);
            });

            _portUtil.WindowName = "InvoiceTakeDrugWindow";
            _portUtil.BoardType = singleChannels.Count > 0 ? singleChannels[0].BoardType : (Int32)BoardTypeEnum.separation;
            _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 = Invoice.InvoiceNo;
                        var f = SqlSugarHelper.Db.UseTran(() =>
                        {
                            SqlSugarHelper.Db.Updateable(new InOutInvoice()
                            {
                                Status = 1,
                                InvoiceNo = Invoice.InvoiceNo
                            }).UpdateColumns(it => new { it.Status }).WhereColumns(it => new { it.InvoiceNo }).ExecuteCommand();

                            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 == (Int32)DrawerTypeEnum.drawerTypeOne)
                                    .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();
                                //称重计数或称重+智能显示+管控药盒 类型需要 发26指令
                                if (it.BoardType == (Int32)BoardTypeEnum.weigh || it.BoardType == (Int32)BoardTypeEnum.weighSmartBox)
                                {
                                    //计数数量设置，发送称重26指令
                                    _portUtil.SetNumCount(it.DrawerNo, it.ColNo, it.AddQuantity);
                                    Thread.Sleep(80);
                                }
                            }
                            return true;
                        });
                        if (f.Data)
                        {
                            // 更新屏显库存
                            List<ChannelStock> singleChannels = record.FindAll(it => it.BoardType != (Int32)BoardTypeEnum.separation && (it.BoardType == (Int32)BoardTypeEnum.smart || it.BoardType == (Int32)BoardTypeEnum.weighSmartBox));
                            //if ((singleChannels.Count > 0 ? singleChannels[0].BoardType : (Int32)BoardTypeEnum.separation) == (Int32)BoardTypeEnum.smart)
                            if (singleChannels.Count > 0)
                            {
                                singleChannels.ForEach(it =>
                                {
                                    _portUtil.WriteQuantity(it.DrawerNo, it.ColNo, it.Quantity - it.TakeQuantity);
                                });
                            }
                            AlertMsg alertMsg = new AlertMsg
                            {
                                Message = "调拨取药完成，库存已更新",
                                Type = MsgType.SUCCESS,
                            };
                            _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        }
                        if (!f.IsSuccess)
                        {
                            AlertMsg alertMsg = new AlertMsg
                            {
                                Message = "调拨取药完成，库存更新失败！",
                                Type = MsgType.ERROR,
                            };
                            _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        }
                        Status = 0;
                        _isFinishClick = false;
                        RequestClose?.Invoke(new DialogResult(ButtonResult.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;
            });
        }
        //检查是否是冰箱抽屉（冰箱抽屉打开时需要发送冰箱延迟报警的指令）
        public async Task CheckIsFridgeOpen()
        {
            if (ChannelStocks != null && ChannelStocks.Count > 0)
            {
                if (_portUtil.BoardType == (Int32)BoardTypeEnum.fridge)
                {
                    _portUtil.FridgeOperate = true;
                    //发送冰箱延迟报警的指令
                    await _portUtil.FridgeDelayWarm();
                    _portUtil.FridgeOperate = false;
                }
            }
        }
        //检查是否是冰箱抽屉（冰箱抽屉关闭时需要查询冰箱温度如温度不在范围则发送冰箱延迟报警的指令）
        public async Task CheckIsFridgeClose()
        {
            if (ChannelStocks != null && ChannelStocks.Count > 0)
            {
                if (_portUtil.BoardType == (Int32)BoardTypeEnum.fridge)
                {
                    string[] iTempertureRange = ConfigurationManager.AppSettings["temperatureRange"].Split('-');
                    //发送查询冰箱温度的指令
                    float temperature = await _portUtil.GetFridgeTemperature();
                    if (temperature > Convert.ToSingle(iTempertureRange[0]) && temperature < Convert.ToSingle(iTempertureRange[1]))
                    {
                        _portUtil.FridgeOperate = true;
                        //发送冰箱延迟报警的指令
                        await _portUtil.FridgeDelayWarm();
                        _portUtil.FridgeOperate = false;
                    }
                }
            }
        }

        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;
    }
}