using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Port;
using DM_Weight.util;
using log4net;
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.Collections.ObjectModel;
using System.Configuration;
using System.Drawing.Printing;
using System.Linq;
using System.Reflection.PortableExecutable;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Documents;

namespace DM_Weight.ViewModels
{
    public class AddDrugControlViewModel : BindableBase, IConfirmNavigationRequest, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(DrawerAddDrugWindowViewModel));
        private List<int> _drawerNoList = new List<int>();
        public static AddDrugControlViewModel vm;
        //凭证号
        //private string _pzh;
        //public string PZH { get => _pzh; set { SetProperty(ref _pzh, value); } }

        private List<ChannelList>? _channelLsts;

        public List<ChannelList>? ChannelLsts
        {
            get => _channelLsts;
            set => SetProperty(ref _channelLsts, value);
        }
        private List<ChannelStock> __channelStocks = new List<ChannelStock>();
        public List<ChannelStock> ChannelStocks
        {
            get => __channelStocks;
            set => SetProperty(ref __channelStocks, value);
        }

        private ChannelStock? _channelStock;

        public ChannelStock? CStock
        {
            get => _channelStock;
            set => SetProperty(ref _channelStock, value);
        }

        //private ChannelList? _channelList;
        //public ChannelList? ChannelLst
        //{
        //    get => _channelList;
        //    set => SetProperty(ref _channelList, value);
        //}

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

        private PortUtil _portUtil;
        IEventAggregator _eventAggregator;
        IDialogService _dialogService;
        public AddDrugControlViewModel(IDialogService DialogService, PortUtil portUtil, IEventAggregator eventAggregator)
        {
            _dialogService = DialogService;
            _portUtil = portUtil;
            _eventAggregator = eventAggregator;
            vm = this;
        }
        public DelegateCommand SelectionChangedCommand => new DelegateCommand(selectionAction);

        private async void selectionAction()
        {
            if (CStock != null)
            {
                // 此处延时1毫秒，等待页面渲染
                await Task.Delay(TimeSpan.FromMilliseconds(1));
                DialogParameters dialogParameters = new DialogParameters();
                dialogParameters.Add("addManuno", CStock);
                DialogServiceExtensions.ShowDialogHost(_dialogService, "AddManunoDialog", dialogParameters, DoDialogResult, "RootDialog");

            }

        }
        private void DoDialogResult(IDialogResult dialogResult)
        {
            // 委托   被动执行     被子窗口执行
            // dialogResult  第一方面可以拿到任意参数   第二方面   可判断关闭状态
            //if(dialogResult.Result == ButtonResult.OK)
            //{
            CStock = null;
            RequestData();
            //}
            //MessageBox.Show("返回值：" + dialogResult.Result.ToString());
        }
        void DoMyPrismEvent(DeviceMsg msg)
        {
            if (msg.WindowName == "DrawerAddDrugWindow")
            {
                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.AddQuantity = 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;
                }
            }

            if (msg.WindowName == "AddDrugControl")
            {

            }

        }

        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(() =>
            {
                Status = 1;
                _portUtil.SpeakAsync("正在打开" + DrawerNo + "号抽屉");

                try
                {
                    //List<ChannelStock> singleChannels = ChannelStocks.FindAll(it => it.BoardType != 1);
                    List<ChannelList> singleChannels = ChannelLsts.FindAll(it => it.BoardType != 1);

                    _portUtil.WindowName = "DrawerAddDrugWindow";
                    _portUtil.Operate = true;
                    _portUtil.BoardType = singleChannels.Count > 0 ? singleChannels[0].BoardType : 1;
                    _portUtil.ColNos = singleChannels.Select(it => it.ColNo).ToArray();
                    //_portUtil.Stocks = singleChannels.Select(it => it.Quantity).ToArray();
                    _portUtil.DrawerNo = DrawerNo;
                    _portUtil.Start();

                }
                catch (Exception ex)
                {
                    logger.Info($"OpenDrawer异常：{ex.Message}");
                }


            }, () => Status == 0).ObservesProperty(() => Status);
        }
        private bool _isFinishClick = false;

        // 完成按钮
        public DelegateCommand TakeFinish
        {
            get => new DelegateCommand(() =>
            {
                if (!_isFinishClick)
                {
                    _isFinishClick = true;
                    foreach (ChannelList lst in ChannelLsts)
                    {
                        ChannelStocks.AddRange(lst.channelStocks);
                    }
                    List<ChannelStock> record = ChannelStocks.FindAll(it => it.AddQuantity != 0).ToList();
                    if (record.Count > 0)
                    {
                        string InvoiceId = "DRAWER_" + CurrentTimeMillis();
                        //string InvoiceId = PZH;
                        //List<string> repeatList = new List<string>();
                        List<ChannelStock> stockRepeats = new List<ChannelStock>();
                        var f = SqlSugarHelper.Db.UseTran(() =>
                        {

                            for (int i = 0; i < record.Count; i++)
                            {
                                ChannelStock it = record[i];
                                it.ManuNo = it.drugManuNo.ManuNo;
                                it.EffDate = it.drugManuNo.EffDate.Length>=10?it.drugManuNo.EffDate.Substring(0,10):it.drugManuNo.EffDate;
                                if (it.Id != null)
                                {
                                    // 更新数据 库存信息
                                    SqlSugarHelper.Db.Updateable(new ChannelStock()
                                    {
                                        Quantity = it.Quantity + it.AddQuantity,
                                        ManuNo = it.ManuNo,
                                        EffDate = it.EffDate,
                                        Id = it.Id,
                                    }).UpdateColumns(it => new { it.Quantity, it.ManuNo, it.EffDate }).ExecuteCommand();
                                }
                                else
                                {
                                    //如果批号重复则不让添加
                                    List<ChannelStock> csCount = SqlSugarHelper.Db.Queryable<ChannelStock>().Where(cs => cs.DrawerNo == it.DrawerNo && cs.ManuNo == it.ManuNo && cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1")).ToList();
                                    if (csCount.Count > 0)
                                    {
                                        //repeatList.Add(it.ManuNo);
                                        stockRepeats.Add(it);
                                        continue;
                                    }

                                    // 更新数据 库存信息
                                    SqlSugarHelper.Db.Insertable(new ChannelStock()
                                    {
                                        Quantity = it.AddQuantity,
                                        Chnguid = it.Chnguid,
                                        ManuNo = it.ManuNo,
                                        EffDate = it.EffDate,
                                        DrawerNo = it.DrawerNo,
                                        ColNo = it.ColNo,
                                        DrugId = it.DrugId,
                                        DrawerType = it.DrawerType,
                                        BoardType = it.BoardType,
                                        Id = Guid.NewGuid().ToString(),
                                        MachineId = ConfigurationManager.AppSettings["machineId"] ?? "DM1"
                                    }).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 入库记录
                                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.AddQuantity,
                                    Type = 1,
                                    InvoiceId = InvoiceId
                                    //,StockQuantity = nowChannels.Sum(it => it.Quantity)
                                }).ExecuteCommand();
                            }
                            return true;
                        });
                        ChannelStocks.Clear();
                        //if (record.Count == repeatList.Count)
                        if (stockRepeats.Count == record.Count)
                        {
                            AlertMsg alertMsg = new AlertMsg
                            {
                                Message = $"该抽屉已存在此药品批次{string.Join(',', stockRepeats.Select(r=>r.ManuNo).ToArray())}，请选择其他批次",
                                Type = MsgType.ERROR
                            };
                            _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        }
                        else
                        {
                            //if (repeatList.Count > 0)
                            //{
                            //    AlertMsg alertMsg = new AlertMsg
                            //    {
                            //        Message = $"该抽屉已存在此药品批次{string.Join(',', repeatList)}，请选择其他批次",
                            //        Type = MsgType.ERROR
                            //    };
                            //    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                            //}
                            if (f.Data)
                            {

                                string msg = string.Empty;
                                MsgType type = MsgType.SUCCESS;
                                //if (repeatList.Count > 0)
                                if (stockRepeats.Count > 0)
                                {
                                    msg = $"该抽屉下批次{string.Join(',', stockRepeats.Select(r => r.ManuNo).ToArray())}已存在，不可重复添加，其他批次加药完成，库存已更新";
                                    foreach(var stockRpt in stockRepeats)
                                    {
                                        //移除重复的信息，以免更新屏显库存时更新了重复数据
                                        record.Remove(stockRpt);

                                    }
                                    type = MsgType.WARING;
                                }
                                else
                                {
                                    msg = "抽屉加药完成，库存已更新";
                                }
                                // 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.AddQuantity);
                                    });
                                }
                                RequestData();
                                AlertMsg alertMsg = new AlertMsg
                                {
                                    Message = msg,
                                    Type = type,
                                };
                                _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                            }
                            else
                            {
                                AlertMsg alertMsg = new AlertMsg
                                {
                                    Message = "更新库存失败",
                                    Type = MsgType.SUCCESS,
                                };
                                _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                            }
                        }
                        Status = 0;
                        _isFinishClick = false;

                        //PZH = string.Empty;
                    }
                    else
                    {
                        _isFinishClick = false;
                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = "没有填写加药数量",
                            Type = MsgType.ERROR
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    }

                }

            });
        }

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



        //添加批次
        public void AddAction(ChannelList channelLS)
        {
            if (channelLS != null)
            {
                ChannelStock cls = new ChannelStock();
                DrugManuNo drugManu = new DrugManuNo();
                cls.DrugInfo = channelLS.Drug;
                if (channelLS.channelStocks.Count > 0)
                {
                    //drugManu = channelLS.channelStocks[0].DrugInfo.DrugManuNos[0];
                    cls.drugManuNo = channelLS.channelStocks[0].drugManuNo;
                }
                else
                {
                    //drugManu= cls.DrugInfo.DrugManuNos[0];
                    if (cls.DrugInfo.DrugManuNos.Count > 0)
                    {
                        cls.drugManuNo = cls.DrugInfo.DrugManuNos[0];
                    }
                    else
                    {
                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = "该药品下没有批次，请先添加批次",
                            Type = MsgType.ERROR
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        return;
                    }
                }
                //cls.Id = "";
                cls.Chnguid = channelLS.Id;
                cls.MachineId = ConfigurationManager.AppSettings["machineId"] ?? "DM1";
                cls.DrawerNo = channelLS.DrawerNo;
                cls.BoardType = channelLS.BoardType;
                cls.DrawerType = channelLS.DrawerType;
                cls.ColNo = channelLS.ColNo;
                cls.DrugId = channelLS.DrugId;
                cls.AddQuantity = 0;
                //string sqlStr = @"select drug_id,manu_no,manu_date,eff_date from drug_manu_no where drug_id=@drugId 
                //    and manu_no not in(select manu_no from channel_stock where drug_id=@drugId) ";
                //cls.DrugInfo.DrugManuNos=SqlSugarHelper.Db.SqlQueryable<dynamic>(sqlStr).AddParameters(new
                //{
                //    drugId = channelLS.DrugId
                //})
                //.Select(it => new DrugManuNo()).ToList();
                List<ChannelStock> stockList = new List<ChannelStock>();
                stockList.AddRange(channelLS.channelStocks);
                stockList.Add(cls);
                channelLS.channelStocks = stockList;
            }
        }

        public long CurrentTimeMillis()
        {
            return (long)(DateTime.UtcNow - Jan1st1970).TotalMilliseconds;
        }
        public bool KeepAlive => false;

        public void FindDrawerCount()
        {
            int count = SqlSugarHelper.Db.Queryable<ChannelStock>().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();
            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<ChannelList> queryData = SqlSugarHelper.Db.Queryable<ChannelList>()
                .Includes(cl => cl.Drug, di => di.DrugManuNos)
                .Includes(cl => cl.channelStocks, dr => dr.DrugInfo, d => d.DrugManuNos)
                .Where(cl => cl.DrawerNo == DrawerNo)
                .Where(cl => cl.DrawerType == 1)
                .Where(cl => cl.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))
                .Where(cl => cl.DrugId != null)
                .OrderBy(cl => cl.ColNo)
                .ToList();
            ChannelLsts = queryData.Select(cl =>
            {
                cl.channelStocks = cl.channelStocks.Select(cs =>
                {
                    cs.drugManuNo = cl.Drug.DrugManuNos.Find(it => it.ManuNo.Equals(cs.ManuNo));
                    return cs;
                }).ToList();
                return cl;
            }).ToList();
            //ChannelLsts = new ObservableCollection<ChannelList>(queryData);
            ChannelLsts.ForEach(cl => cl.channelStocks.ForEach(cs => cs.DrugInfo = cl.Drug));
        }

        //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);
            _eventAggregator.GetEvent<AddDrugEvent>().Subscribe(AddAction);
            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
        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
            // 取消消息订阅
            _eventAggregator.GetEvent<PortUtilEvent>().Unsubscribe(DoMyPrismEvent);
            _eventAggregator.GetEvent<AddDrugEvent>().Unsubscribe(AddAction);
        }
    }
}