using log4net;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Speech.Synthesis;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;
using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Port;
using DM_Weight.util;
using Newtonsoft.Json;
using System.Text.RegularExpressions;
using System.Windows.Controls;
using System.Threading.Channels;
using DM_Weight.Services;
using System.Linq.Expressions;

namespace DM_Weight.ViewModels
{
    public class DrawerTakeDrugWindowViewModel : BindableBase, IConfirmNavigationRequest, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(DrawerTakeDrugWindowViewModel));

        private List<ChannelStock> _channelStocks = new List<ChannelStock>();

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

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



        private PortUtil _portUtil;
        IEventAggregator _eventAggregator;

        ////private SqlSugarScope SqlSugarHelper.Db;
        private SqlHelperService _mysqlHelper;
        public DrawerTakeDrugWindowViewModel(PortUtil portUtil, IEventAggregator eventAggregator, SqlHelperService mysqlHelper)
        {
            _portUtil = portUtil;
            _eventAggregator = eventAggregator;
            //this.SqlSugarHelper.Db= sqlSugarScope;
            _mysqlHelper = mysqlHelper;
        }

        void DoMyPrismEvent(DeviceMsg msg)
        {
            logger.Info($"抽屉取药页面_DoMyPrismEvent:{msg.WindowName}");
            if (msg.WindowName == "DrawerTakeDrugWindow")
            {
                switch (msg.EventType)
                {
                    // 抽屉打开
                    case EventType.DRAWEROPEN:
                        if (Status == 1)
                        {
                            Status = 2;
                        }

                        break;
                    // 抽屉关闭
                    case EventType.DRAWERCLOSE:
                        if (Status == 2)
                        {
                            Status = 3;
                        }
                        break;
                    // 数量变化
                    case EventType.UPDATEQUANTITY:
                        if (Status == 2)
                        {
                            ChannelStocks.ForEach(it => it.TakeQuantity = msg.Quantitys[it.ColNo - 1]);
                        }
                        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;

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

        private int _drawerNo = 1;

        public int DrawerNo
        {
            get => _drawerNo;
            set => SetProperty(ref _drawerNo, value);
        }

        private bool _is8Drawer = true;

        public bool Is8Drawer { get => _is8Drawer; set => SetProperty(ref _is8Drawer, value); }

        private bool _is16Drawer = false;

        public bool Is16Drawer { get => _is16Drawer; set => SetProperty(ref _is16Drawer, value); }


        private bool _is17Drawer = false;

        public bool Is17Drawer { get => _is17Drawer; set => SetProperty(ref _is17Drawer, value); }
        public DelegateCommand<string> UpdateDrawerNo
        {
            get => new DelegateCommand<string>((DrawerNo) =>
            {
                this.DrawerNo = Convert.ToInt32(DrawerNo);
                RequestData();
            }, (DrawerNo) => Status == 0
            );
        }


        public DelegateCommand OpenDrawer
        {
            get => new DelegateCommand(() =>
            {
                if (Status == 0)
                {
                    Status = 1;
                    _portUtil.SpeakAsync("正在打开" + DrawerNo + "号抽屉");

                    //var groupQuery = (from t in ChannelStocks
                    //                  group t by new { t.ColNo, t.BoardType }
                    //                 into grp
                    //                  select new { grp.Key.ColNo, grp.Key.BoardType, quantity = grp.Sum(t => t.Quantity) }).ToList();

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

                    _portUtil.WindowName = "DrawerTakeDrugWindow";
                    _portUtil.BoardType = singleChannels.Count > 0 ? singleChannels[0].BoardType : 1;
                    _portUtil.ColNos = new int[] { };// groupQuery.Select(it => it.ColNo).ToArray();
                    _portUtil.DrawerNo = DrawerNo;
                    Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Normal, () => _portUtil.Start());
                }

            });
        }

        private bool _isFinishClick = false;

        // 完成按钮
        public DelegateCommand TakeFinish
        {
            get => new DelegateCommand(() =>
            {
                if (!_isFinishClick)
                {
                    try
                    {
                        _isFinishClick = true;
                        List<ChannelStock> record = ChannelStocks.FindAll(it => it.TakeQuantity > 0).ToList();
                        logger.Info("点击完成按钮，库位数据：" + JsonConvert.SerializeObject(record));
                        if (record.Count > 0)
                        {
                            logger.Info("record.Count>0");
                            string InvoiceId = "DRAWER_" + CurrentTimeMillis();
                            //保存数据库
                            bool bFlag = _mysqlHelper.SaveDrawerTakeDrug(record);
                            if (bFlag)
                            {
                                logger.Info("更新屏显库存singleChannels");
                                // 更新屏显库存
                                //List<ChannelStock> singleChannels = record.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.Where(it => it.BoardType != 1)
                                                                           .GroupBy(it => it.ColNo)
                                                                           .Select(it =>
                                                                           {
                                                                               var ret = it.First();
                                                                               ret.Quantity = it.Sum(itx => itx.Quantity);
                                                                               ret.TakeQuantity = it.Sum(itx => itx.TakeQuantity);
                                                                               return ret;
                                                                           }).OrderBy(it => it.Quantity).ToList();
                                singleChannels = singleChannels.Where(it => it.TakeQuantity > 0).ToList();
                                if ((singleChannels.Count > 0 ? singleChannels[0].BoardType : 1) == 5)
                                {
                                    //将库位多批次的总库存数更新标签
                                    //_portUtil.WriteQuantity(singleChannels[0].DrawerNo, singleChannels[0].ColNo, singleChannels.Sum(it => it.Quantity) - singleChannels.Sum(it => it.TakeQuantity));

                                    singleChannels.ForEach(it =>
                                    {
                                        _portUtil.WriteQuantityAsync(it.DrawerNo, it.ColNo, it.Quantity - it.TakeQuantity);
                                    });

                                    Thread.Sleep(500);
                                    //string varCS = from cs in ChannelStocks orderby cs.EffDate group cs by cs.ColNo into g orderby g.Key select g.;

                                    List<ChannelStock> groupCS = ChannelStocks
                                                                         .GroupBy(it => it.ColNo)
                                                                         .Select(it =>
                                                                         {
                                                                             var ret = it.First();
                                                                             return ret;
                                                                         }).ToList();

                                    if (groupCS != null)
                                    {
                                        for (int i = 0; i < groupCS.Count; i++)
                                        {
                                            //全部取出
                                            if (groupCS[i].Quantity == groupCS[i].TakeQuantity)
                                            {
                                                //查询该库位下非0的近效期及批次重新绑定
                                                //更新绑定的效期、批次
                                                ChannelStock newBind = _mysqlHelper.GetMinManuEffDate(groupCS[i]);
                                                if (newBind != null)
                                                {
                                                    _portUtil.WriteChannelInfo(6, newBind.EffDate == null ? "" : newBind.EffDate, newBind.DrawerNo, newBind.ColNo);
                                                    Thread.Sleep(200);
                                                    _portUtil.WriteChannelInfo(5, newBind.ManuNo == null ? "" : newBind.ManuNo, newBind.DrawerNo, newBind.ColNo);
                                                    Thread.Sleep(200);
                                                    _portUtil.ShowContent(newBind.DrawerNo, newBind.ColNo);
                                                }
                                            }

                                        }
                                    }
                                }
                                logger.Info("更新屏显库存singleChannels_完成");
                                RequestData();
                                AlertMsg alertMsg = new AlertMsg
                                {
                                    Message = $"抽屉取药完成，库存已更新",
                                    Type = MsgType.SUCCESS,
                                };
                                _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                            }
                            else
                            {
                                logger.Info($"抽屉取药，库存更新失败！");
                                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;
                        }
                        else
                        {
                            _isFinishClick = false;
                            AlertMsg alertMsg = new AlertMsg
                            {
                                Message = "没有填写取药数量",
                                Type = MsgType.ERROR
                            };
                            _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        }

                    }
                    catch (Exception ex)
                    {
                        _isFinishClick = false;
                        logger.Info($"抽屉取药保存失败{ex.Message}");   
                    }
                }

            });
        }

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

        public bool KeepAlive => true;

        public long CurrentTimeMillis()
        {
            return (long)(DateTime.UtcNow - Jan1st1970).TotalMilliseconds;
        }

        public void FindDrawerCount()
        {
            //int count = SqlSugarHelper.Db.Queryable<ChannelList>().Where(cs => cs.DrawerType != 3)
            //    .Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1")).GroupBy(cs => cs.DrawerNo).Select(cs => SqlFunc.AggregateCount(cs.DrawerNo)).Count();
            int count = _mysqlHelper.FindDrawerCount();
            Is8Drawer = count < 9;
            Is16Drawer = count >= 16;
            Is17Drawer = count > 16;
        }


        //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()
        {
            //List<ChannelStock> queryData = SqlSugarHelper.Db.Queryable<ChannelStock>()
            //    .Includes(cs => cs.DrugInfo)
            //    .Where(cs => cs.DrawerNo == DrawerNo)
            //    .Where(cs => cs.DrugId != null)
            //    .Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))
            //    .Where(cs => cs.DrawerType == 1)
            //    .Where(cs => cs.Quantity > 0)
            //    .OrderBy(cs => cs.ColNo)
            //    .OrderBy(cs => cs.EffDate)
            //    .ToList();
            List<ChannelStock> queryData = _mysqlHelper.GetChannelStockByDrawer(DrawerNo);
            ChannelStocks = queryData;

        }

        //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);
            FindDrawerCount();
            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, 不让走
        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
            // 取消消息订阅
            _eventAggregator.GetEvent<PortUtilEvent>().Unsubscribe(DoMyPrismEvent);
        }
    }
}