using log4net;
using log4net.Repository.Hierarchy;
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 OrderReturnDialogViewModel : BindableBase, IDialogAware, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(OrderReturnDialogViewModel));
        public string Title => "处方退药";

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

        void DoMyPrismEvent(DeviceMsg msg)
        {

            if (msg.WindowName == "ReturnDrug1Window")
            {
                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}】");
                            //channelStocks.ForEach(it => it.ReturnQuantity = 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 = 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)
                .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.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)
                    .ToList();

                // 有库位
                if (HasQChannels.Count > 0)
                {
                    ChannelStock singleChannel = HasQChannels.Find(it => (it.BoardType == 2 && (25 - it.Quantity >= orderDetail.Quantity)));
                    ChannelStock otherChannel = HasQChannels.Find(it => it.BoardType != 2);
                    if ((singleChannel ?? otherChannel) != null)
                    {
                        //(singleChannel ?? otherChannel).TakeQuantity = orderDetail.Quantity;
                        (singleChannel ?? otherChannel).ReturnQuantity = orderDetail.Quantity;
                        channelStocks.Add(singleChannel ?? otherChannel);
                    }
                    else
                    {
                        msg.Add($"药品【{orderDetail.DrugInfo.DrugName}】现有库位不足以放置药品");
                    }

                }
                else
                {
                    msg.Add($"药品【{orderDetail.DrugInfo.DrugName}】无库位");
                }
            }
            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);

            // 发送还药数量
            singleChannels.ForEach(it =>
            {
                _portUtil.TakeQuantity(DrawerNo, it.ColNo, it.TakeQuantity, it.Quantity + it.TakeQuantity);
            });

            _portUtil.WindowName = "ReturnDrug1Window";
            _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
                    List<ChannelStock> record = ChannelStocks.ToList();
                    //if (record.Count > 0)
                    //{
                    string InvoiceId = OrderInfo.OrderNo;
                    var f = SqlSugarHelper.Db.UseTran(() =>
                    {
                        SqlSugarHelper.Db.Updateable(new OrderInfo()
                        {
                            DmStatus = 0,
                            OrderNo = OrderInfo.OrderNo
                        }).UpdateColumns(it => new { it.DmStatus }).WhereColumns(it => new { it.OrderNo }).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,
                                Quantity = it.Quantity + it.ReturnQuantity,
                                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 还药记录
                            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,
                                Quantity = it.ReturnQuantity,
                                Type = 31,
                                InvoiceId = InvoiceId
                                //,StockQuantity = nowChannels.Sum(it => it.Quantity)
                            }).ExecuteCommand();

                            //保存账册
                            SqlSugarHelper.Db.Insertable(new AccountBookG2()
                            {
                                DrugId = Convert.ToInt32(it.DrugId),
                                Type = 1,
                                Department = ConfigurationManager.AppSettings["department"].ToString(),
                                InvoiceNo = InvoiceId,
                                ManuNo = it.ManuNo,
                                EffDate = it.EffDate,
                                AddQuantity = it.ReturnQuantity,
                                UserId1 = HomeWindowViewModel.Operator?.Id,
                                UserId2 = HomeWindowViewModel.Reviewer?.Id,
                                MachineId = ConfigurationManager.AppSettings["machineId"].ToString(),
                                CreateDate = DateTime.Now.ToString("yyyy-MM-dd"),
                                CreateTime = DateTime.Now

                            }).ExecuteCommand();
                            //修改凌晨生成的日结存数据
                            AccountBookG2 accountBookG2Day = SqlSugarHelper.Db.Queryable<AccountBookG2>()
                            .Where(ab => ab.MachineId.Equals(it.MachineId))
                            .Where(ab => ab.Type == 3)
                            .Where(ab => ab.DrugId == Convert.ToInt32(it.DrugId))
                            .Where(ab => ab.ManuNo == it.ManuNo)
                            .Where(ab => ab.CreateDate == DateTime.Now.ToString("yyyy-MM-dd")).First();
                            accountBookG2Day.ManuStock = accountBookG2Day.ManuStock + it.ReturnQuantity;

                            //修改凌晨生成的总结存数据
                            AccountBookG2 accountBookG2Total = SqlSugarHelper.Db.Queryable<AccountBookG2>()
                            .Where(ab => ab.MachineId.Equals(it.MachineId))
                            .Where(ab => ab.Type == 4)
                            .Where(ab => ab.DrugId == Convert.ToInt32(it.DrugId))
                            .Where(ab => ab.CreateDate == DateTime.Now.ToString("yyyy-MM-dd")).First();

                            accountBookG2Total.TotalStock = accountBookG2Total.TotalStock + it.ReturnQuantity;

                            SqlSugarHelper.Db.Updateable(accountBookG2Day).ExecuteCommand();

                            SqlSugarHelper.Db.Updateable(accountBookG2Total).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 = "处方退药完成，库存已更新",
                            Type = MsgType.SUCCESS,
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    }
                    Status = 0;
                    _isFinishClick = false;
                    RequestClose?.Invoke(new DialogResult(ButtonResult.Cancel));
                    //}
                    //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 => false;
    }
}