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.ComponentModel;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Channels;
using System.Threading.Tasks;
using System.Windows.Data;

namespace DM_Weight.ViewModels
{
    public class AddToJiaoJieWindowViewModel : BindableBase, INavigationAware, IRegionMemberLifetime
    {
        private readonly ILog logger = LogManager.GetLogger(typeof(AddToJiaoJieWindowViewModel));
        private static readonly DateTime Jan1st1970 = new DateTime
   (1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
        public long CurrentTimeMillis()
        {
            return (long)(DateTime.UtcNow - Jan1st1970).TotalMilliseconds;
        }
        public bool KeepAlive => false;
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

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


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



        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            _eventAggregator.GetEvent<PortUtilEvent>().Subscribe(DoMyPrismEvent);
            _eventAggregator.GetEvent<IsSelectedEvent>().Subscribe(SetIsSelected);
            RequestData();
        }
        private PortUtil _portUtil;
        IEventAggregator _eventAggregator;
        IDialogService _dialogService;
        public AddToJiaoJieWindowViewModel(PortUtil portUtil, IEventAggregator eventAggregator, IDialogService DialogService)
        {
            _portUtil = portUtil;
            _eventAggregator = eventAggregator;
            _dialogService = DialogService;
        }
        private void RequestData()
        {
            ChannelStocks = SqlSugarHelper.Db.Queryable<ChannelStock>()
               .Includes<ChannelList>(cs => cs.ChannelLst)
               .Includes<DrugInfo>(cs => cs.DrugInfo)
               .Where(cs => cs.MachineId == (ConfigurationManager.AppSettings["jj_machineId"] ?? "DM5") && cs.BaseQuantity > cs.Quantity)
               .OrderBy(cs => cs.Chnguid)
               .OrderBy(cs => cs.DrawerNo)
               .ToList();
            ChannelStocks = ChannelStocks.GroupBy(it => new { it.DrawerNo, it.DrugId })
                .Select(it =>
                {
                    var ret = it.First();
                    ret.Quantity = it.Sum(itx => itx.Quantity); 
                    return ret;
                })
                .ToList();
            ChannelStocks.ForEach(cs => cs.AddQuantity = cs.BaseQuantity - cs.Quantity);

            ICollectionView vw = CollectionViewSource.GetDefaultView(ChannelStocks);
            vw.GroupDescriptions.Add(new PropertyGroupDescription("ChannelLst"));
        }
        private int _status = 0;

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

        private bool _isEnable = true;
        public bool IsEnable { get => _isEnable; set => SetProperty(ref _isEnable, value); }

        private List<int> iDrawerNoLst
        { get; set; }
        private int CurrentNum { get; set; }

        //刷新
        public DelegateCommand QueryCommand
        {
            get => new DelegateCommand(() => RequestData());
        }
        //一键补药
        public DelegateCommand OpenDragCommand
        {
            get => new DelegateCommand(() =>
            {
                try
                {
                    Status = 1;
                    IsEnable = false;

                    var varDrawerNO = SqlSugarHelper.Db.Queryable<ChannelStock>()
                                   .Where(cs => cs.MachineId == (ConfigurationManager.AppSettings["machineId"] ?? "DM3"))
                                   .GroupBy(cs => cs.DrawerNo).Select(DrawerNo => DrawerNo).ToList();

                    iDrawerNoLst = varDrawerNO.Select(item => item.DrawerNo).ToList();
                    CurrentNum = 0;
                    _portUtil.SpeakAsync($"正在打开 {iDrawerNoLst[CurrentNum]} 号抽屉");


                    _portUtil.WindowName = "AddToJiaoJieWindow";
                    _portUtil.Operate = true;
                    //_portUtil.BoardType = singleChannels.Count > 0 ? singleChannels[0].BoardType : 1;
                    //_portUtil.ColNos = singleChannels.Select(it => it.ColNo).ToArray();
                    _portUtil.DrawerNo = iDrawerNoLst[CurrentNum];
                    _portUtil.OpenAllDrawer();

                }
                catch (Exception ex)
                {

                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = $"补药异常{ex.Message}",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    logger.Info($"AddToJiaoJieWindowViewModel异常：{ex.Message}");
                    _portUtil.Operate = false;
                }

            });
        }
        void DoMyPrismEvent(DeviceMsg msg)
        {
            if (msg.WindowName == "AddToJiaoJieWindow")
            {
                switch (msg.EventType)
                {
                    // 抽屉打开
                    case EventType.DRAWEROPEN:
                        if (Status == 1)
                        {
                            Status = 2;
                        }
                        CurrentNum += 1;
                        if (CurrentNum < iDrawerNoLst.Count)
                        {
                            _portUtil.WindowName = "AddToJiaoJieWindow";
                            _portUtil.Operate = true;
                            _portUtil.DrawerNo = iDrawerNoLst[CurrentNum];
                            _portUtil.OpenAllDrawer();
                        }
                        else
                        {
                            _portUtil.GetAllDrawerLockState();
                        }
                        break;
                    // 抽屉关闭
                    case EventType.DRAWERCLOSE:
                        if (Status == 2)
                        {
                            Status = 3;
                        }
                        _portUtil.Operate = false;
                        IsEnable = true;
                        CurrentNum = 0;

                        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;
                        _portUtil.Operate = false;
                        IsEnable = false;
                        CurrentNum = 0;
                        break;
                }
            }

        }
        //完成按钮
        public DelegateCommand AddFinish
        {
            get => new DelegateCommand(() =>
            {
                if (ChannelStocks.FindAll(cs => cs.ChannelLst.IsSelected).Count <= 0)
                {

                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = "请选择药箱",
                        Type = MsgType.SUCCESS,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    return;
                }
                List<ChannelStock> jiaojieStocks = new List<ChannelStock>();
                List<ChannelStock> cs = ChannelStocks.FindAll(cs => cs.ChannelLst.IsSelected).ToList();
                for (int i = 0; i < cs.Count; i++)
                {
                    ChannelStock copy = TransExpV2<ChannelStock, ChannelStock>.Trans(cs[i]);
                    jiaojieStocks.Add(copy);
                }
                csList = jiaojieStocks.FindAll(cs => cs.ChannelLst.IsSelected).GroupBy(cs => cs.DrugId).Select(g => new
                {
                    DrugId = g.Key,
                    AddQuantity = g.Sum(s => s.AddQuantity)
                }).Select(cs => new ChannelStock() { DrugId = cs.DrugId, AddQuantity = cs.AddQuantity }).ToList();

                List<ChannelStock> channelStocks = new List<ChannelStock>();
                List<string> msg = new List<string>();
                for (int i = 0; i < csList.Count; 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"] ?? "DM3"))
                        .Where(cs => cs.DrugId == csList[i].DrugId)
                        .OrderBy(cs => cs.EffDate)
                        .OrderBy(cs => cs.DrawerNo)
                        .ToList();
                    int total = HasQChannels.Sum(it => it.Quantity);
                    int TakeQ = csList[i].AddQuantity;
                    // 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【{ChannelStocks[i].DrugInfo.DrugName}】库存不足，应取【{TakeQ}】库存【{total}】");
                    }

                }
                if (msg.Count > 0)
                {
                    DialogParameters dialogParameters = new DialogParameters();
                    dialogParameters.Add("msgInfo", msg);
                    DialogServiceExtensions.ShowDialogHost(_dialogService, "ShowMessageDialog", dialogParameters, "RootDialog");
                    return;

                }
                else
                {
                    channelStocks.Sort((a, b) =>
                    {
                        if ((a.DrawerNo - b.DrawerNo) == 0)
                        {
                            return a.ColNo - b.ColNo;
                        }
                        return a.DrawerNo - b.DrawerNo;
                    });
                }
                List<ChannelStock> record = channelStocks.FindAll(it => it.TakeQuantity > 0).ToList();
                if (record.Count > 0)
                {
                    string InvoiceId = "AddJiaoJie_" + CurrentTimeMillis();
                    var f = SqlSugarHelper.Db.UseTran(() =>
                    {
                        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();

                            //更新 交接柜 库存信息
                            List<ChannelStock> jiaojie = jiaojieStocks.Where(cs => cs.DrugId == it.DrugId).ToList();
                            if (jiaojie != null && jiaojie.Count > 0)
                            {
                                for (int j = 0; j < jiaojie.Count; j++)
                                {
                                    // 更新数据 交接柜 库存信息
                                    ChannelStock jiaojie_it = jiaojie[j];
                                    SqlSugarHelper.Db.Updateable(new ChannelStock()
                                    {
                                        Quantity = jiaojie_it.BaseQuantity,
                                        //ManuNo = it.ManuNo,
                                        //EffDate = it.EffDate,
                                        Id = jiaojie_it.Id,
                                    }).UpdateColumns(jiaojie_it => new { jiaojie_it.Quantity }).ExecuteCommand();
                                }
                            }


                            // 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
                            }).ExecuteCommand();
                        }
                        return true;
                    });
                    if (f.Data)
                    {
                        // 更新屏显库存
                        List<ChannelStock> singleChannels = record.FindAll(it => it.BoardType != 5);
                        if (singleChannels.Count > 0)
                        {
                            singleChannels.ForEach(it =>
                            {
                                _portUtil.WriteQuantity(it.DrawerNo, it.ColNo, it.Quantity - it.TakeQuantity);
                            });
                        }
                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = "补药完成，库存已更新",
                            Type = MsgType.SUCCESS,
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                        RequestData();
                    }
                    if (!f.IsSuccess)
                    {
                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = "补药操作失败，库存更新失败！",
                            Type = MsgType.ERROR,
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    }
                }
                else
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = "补药数量有误",
                        Type = MsgType.ERROR
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                }
            });
        }

        //取消
        public DelegateCommand CancleAdd
        {
            get => new DelegateCommand(() =>
            {
                _portUtil.ResetData();
                Status = 0;
                IsEnable = true;
                CurrentNum = 0;
            });
        }


        public DelegateCommand RejectReport_Download
        {
            get => new DelegateCommand(() =>
            {
                //GridReportUtil.RejectionReport("");
            });
        }
        public DelegateCommand Account_Download
        {
            get => new DelegateCommand(() =>
            {
                //GridReportUtil.AccountNewReport();
            });
        }


        private List<ChannelStock> csList = new List<ChannelStock>();
        //取药 弹出出药列表
        public DelegateCommand TakeDrugCommand
        {
            get => new DelegateCommand(async () =>
            {
                //选中channelStock.channel_list的isSelected则选中channelStock的isSelected
                //var o= ChannelStocks.FindAll(cs => cs.ChannelLst.IsSelected).ToList();

                //csList = ChannelStocks.FindAll(cs => cs.ChannelLst.IsSelected).GroupBy(cs => cs.DrugId).Select(g => new {
                //    DrugId = g.Key, AddQuantity = g.Sum(s => s.AddQuantity)
                //}).Select(cs=>new ChannelStock() { DrugId=cs.DrugId,AddQuantity=cs.AddQuantity }).ToList();

                csList = ChannelStocks.FindAll(cs => cs.ChannelLst.IsSelected).ToList();

                if (csList != null && csList.Count > 0)
                {
                    // 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("ChannelStocks", csList);
                    DialogServiceExtensions.ShowDialogHost(_dialogService, "AddToJiaoJieDialog", dialogParameters, DoDialogResult, "RootDialog");

                }
                else
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = $"未选择药品，请先勾选要药箱号",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    _portUtil.Operate = false;
                }
            });
        }
        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)
            //{
            RequestData();
            //}
            //MessageBox.Show("返回值：" + dialogResult.Result.ToString());
        }
        //设置选中药箱的复选框状态
        private void SetIsSelected(ChannelStock channelStock)
        {
            if (channelStock != null)
            {
                //channelStock.ChannelLst.IsSelected = !channelStock.ChannelLst.IsSelected;
                if (channelStock.ChannelLst.State == 0)
                {
                    channelStock.ChannelLst.IsSelected = !channelStock.ChannelLst.IsSelected;
                }
                else
                {
                    return;
                }
                if (channelStock != null && ChannelStocks != null)
                {
                    ChannelStocks = ChannelStocks.Select(x =>
                    {
                        for (int i = 0; i < ChannelStocks.Count; i++)
                        {
                            if (ChannelStocks[i].DrawerNo == channelStock.DrawerNo)
                            {
                                ChannelStocks[i].ChannelLst = channelStock.ChannelLst;
                            }
                        }
                        return x;
                    }).ToList();
                }
                ICollectionView vw = CollectionViewSource.GetDefaultView(ChannelStocks);
                vw.GroupDescriptions.Add(new PropertyGroupDescription("ChannelLst"));
            }
        }
    }
}