using log4net;
using log4net.Repository.Hierarchy;
using Newtonsoft.Json.Linq;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Speech.Synthesis;
using System.Text;
using System.Threading.Tasks;
using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Port;
using DM_Weight.util;
using DM_Weight.Views;
using SqlSugar;
using System.Threading.Channels;

namespace DM_Weight.ViewModels
{
    public class ReturnEmptyDialogViewModel : BindableBase, IDialogAware, IRegionMemberLifetime
    {

        private readonly ILog logger = LogManager.GetLogger(typeof(ReturnEmptyDialogViewModel));
        public string Title => "归还空瓶(记录)";

        public event Action<IDialogResult> RequestClose;

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

        private string WindowName = "ReturnEmpty1Window";

        private PortUtil _portUtil;
        IEventAggregator _eventAggregator;


        public ReturnEmptyDialogViewModel(PortUtil portUtil, IEventAggregator eventAggregator)
        {
            _portUtil = portUtil;
            _eventAggregator = eventAggregator;
        }

        void DoMyPrismEvent(DeviceMsg msg)
        {

            if (msg.WindowName.Equals(WindowName))
            {

                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;
                            if(ChannelStock.DrawerType == 3)
                            {
                                //for (int i = 0; i < msg.Quantitys.Length; i++)
                                //{
                                //    ReturnQuantity += msg.Quantitys[i];
                                //}
                                ReturnQuantity = msg.Quantitys[0];
                                logger.Info($"抽屉【{ChannelStock.DrawerNo}】回收库位药品数量增加【{msg.Quantitys[0]}】");
                            }
                        }
                        break;
                    // 数量变化
                    case EventType.UPDATEQUANTITY:
                        if (Status == 2)
                        {
                            ReturnQuantity = msg.Quantitys[0];
                            logger.Info($"抽屉【{ChannelStock.DrawerNo}】回收库位药品数量增加【{msg.Quantitys[0]}】");
                        }
                        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 _returnQuantity;

        public int ReturnQuantity
        {
            get => _returnQuantity;
            set
            {
                if (value < 0)
                {
                    throw new ArgumentException("还药数量不能是负数");
                }
                //if (value > MachineRecord.CanReturnQuantity)
                //{
                //    throw new ArgumentException("还药数量超出");
                //}
                SetProperty(ref _returnQuantity, value);
            }
        }

        private int _status = 0;

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


        private List<MachineRecord> _machineRecords = new();

        public List<MachineRecord> MachineRecords
        {
            get => _machineRecords;
            set
            {
                SetProperty(ref _machineRecords, value);
            }
        }
        private MachineRecord _machineRecord;

        public MachineRecord MachineRecordStock
        {
            get { return _machineRecord; }
            set { SetProperty(ref _machineRecord, value); }
        }
        private ChannelStock _channelStock;

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

       

        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);

            ChannelStock _record = parameters.GetValue<ChannelStock>("channel");
            ChannelStock = _record;

            RequestData();
        }

        public void RequestData()
        {
            List<MachineRecord> queryData = SqlSugarHelper.Db.Queryable<MachineRecord>()
                .Includes<UserList>(mr => mr.User)
                .Where(mr => mr.DrugId == ChannelStock.DrugId)
                .Where(mr => mr.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))
                .Where(mr => mr.Type == 2)
                .Where(mr => mr.Status != 2)
                .Where(mr=>mr.ReturnQuantity2<=0)
                .OrderBy(mr => mr.OperationTime,OrderByType.Desc)
                .OrderBy(mr => mr.Id)
                .ToList();
            MachineRecords = queryData;
        }

        public DelegateCommand OpenDrawer
        {
            get => new DelegateCommand(() =>
            {
                int iCount=  MachineRecords.FindAll(it => it.IsSelected).ToList().Count;
                if(iCount > 1||iCount<=0)
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = "请选择且仅选择一条要归还数据记录",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    return;
                }
                if (ChannelStock != null)
                {
                    if (Status == 0)
                    {
                        if (ChannelStock.DrawerType == 3 && ChannelStock.BoardType == 1)
                        {
                            Status = 3 ;
                        }
                        else
                        {
                            Status = 1;
                            _portUtil.SpeakAsync("正在打开" + ChannelStock.DrawerNo + "号抽屉");
                            _portUtil.WindowName = WindowName;
                            _portUtil.ColNos = new int[] { ChannelStock.ColNo };
                            _portUtil.DrawerNo = ChannelStock.DrawerNo;
                            _portUtil.DrawerType = ChannelStock.DrawerType;
                            _portUtil.BoardType = ChannelStock.BoardType;
                            _portUtil.Start();
                        }
                    }
                }
                else
                {
                    AlertMsg alertMsg = new AlertMsg
                    {
                        Message = "请选择退还药品要放入的库位！",
                        Type = MsgType.ERROR,
                    };
                    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                }
            });
        }

        public DelegateCommand RowSelected
        {
            get => new DelegateCommand(() =>
            {
                if (MachineRecords != null)
                {
                    bool bSelect= MachineRecordStock.IsSelected;
                    MachineRecords.ForEach(mr => mr.IsSelected = false);

                    MachineRecords = MachineRecords.Select(x =>
                    {
                        if (x.Id == MachineRecordStock.Id)
                        {
                            x.IsSelected = !bSelect;
                        }
                        return x;
                    }).ToList();


                }
            });
        }
        private bool _isFinishClick = false;

        public bool IsFinishClick { get => _isFinishClick; set => SetProperty(ref _isFinishClick, value); }
        // 完成按钮
        public DelegateCommand TakeFinish
        {
            get => new DelegateCommand(() =>
            {
                IsFinishClick = true;
                List<MachineRecord> records = MachineRecords.FindAll(it => it.IsSelected).ToList();
                //if (records.Count > 0 && records.Sum(it => it.Quantity - it.ReturnQuantity1)  == ReturnQuantity)
                //{
                    string InvoiceId = "RETURN_" + CurrentTimeMillis();
                    var f = SqlSugarHelper.Db.UseTran(() =>
                    {

                        // 更新数据 库存信息
                        SqlSugarHelper.Db.Updateable(new ChannelStock()
                        {
                            Quantity = ChannelStock.Quantity + ReturnQuantity,
                            Id = ChannelStock.Id,
                        }).UpdateColumns(it => new { it.Quantity }).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(ChannelStock.MachineId))
                            .Where(cs => cs.DrugId.Equals(ChannelStock.DrugId))
                            .Where(cs => cs.DrawerType == 1)
                            .ToList();

                        for (int i = 0; i < records.Count; i++)
                        {
                            MachineRecord _MachineRecord = records[i];
                            // 更新数据 取药记录 设置还药数量、状态
                            SqlSugarHelper.Db.Updateable(new MachineRecord()
                            {
                                ReturnQuantity2 =ReturnQuantity,  // _MachineRecord.Quantity - _MachineRecord.ReturnQuantity1,
                                Id = _MachineRecord.Id,
                                Status = (_MachineRecord.Quantity - ReturnQuantity) == 0 ? 2 : 1,// 2,
                            }).UpdateColumns(it => new { it.ReturnQuantity2, it.Status }).ExecuteCommand();

                            // 保存数据 还药空瓶记录
                            SqlSugarHelper.Db.Insertable(new MachineRecord()
                            {
                                MachineId = ChannelStock.MachineId,
                                DrawerNo = ChannelStock.DrawerNo,
                                ColNo = ChannelStock.ColNo,
                                DrugId = ChannelStock.DrugId,
                                //ManuNo = ChannelStock.ManuNo,
                                ManuNo = _MachineRecord.ManuNo,
                                EffDate = !String.IsNullOrEmpty(ChannelStock.EffDate) ? DateTime.ParseExact(ChannelStock.EffDate, "yyyy-MM-dd", System.Globalization.CultureInfo.CurrentCulture) : null,
                                Operator = HomeWindowViewModel.Operator?.Id,
                                Reviewer = HomeWindowViewModel.Reviewer?.Id,
                                OperationTime = DateTime.Now,
                                Quantity = ReturnQuantity,
                                Type = 32,
                                InvoiceId = InvoiceId,
                                GetId = _MachineRecord.Id,
                                StockQuantity = nowChannels.Sum(it => it.Quantity)
                            }).ExecuteCommand();
                        }

                        return true;
                    });
                    if (f.Data)
                    {
                        // 更新屏显库存
                        if (ChannelStock.BoardType == 5)
                        {
                            _portUtil.WriteQuantity(ChannelStock.DrawerNo, ChannelStock.ColNo, ChannelStock.Quantity + ReturnQuantity);
                        }

                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = "操作完成，库存已更新",
                            Type = MsgType.SUCCESS,
                        };
                        _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                    }
                    if (!f.IsSuccess)
                    {
                        AlertMsg alertMsg = new AlertMsg
                        {
                            Message = "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
                //{
                //    AlertMsg alertMsg = new AlertMsg
                //    {
                //        Message = "归还数目与实际数目不符",
                //        Type = MsgType.ERROR,
                //    };
                //    _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
                //    IsFinishClick = false;
                //}
            }, () => !IsFinishClick && ReturnQuantity > 0).ObservesProperty(() => IsFinishClick).ObservesProperty(() => ReturnQuantity);
        }

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

        // 取消按钮
        public DelegateCommand CancleTake
        {
            get => new DelegateCommand(() =>
            {
                IsFinishClick = false;
                _portUtil.ResetData();
                Status = 0;
            });
        }
        /// <summary>
        /// 继续归还
        /// </summary>
        public DelegateCommand ContinueCommand
        {
            get => new DelegateCommand(() =>
            {

            });
        }
        /// <summary>
        /// 退出
        /// </summary>
        public DelegateCommand QuitCommand
        {
            get => new DelegateCommand(() =>
            {
                Status = 0;
                // 关闭当前窗口
                RequestClose?.Invoke(new DialogResult(ButtonResult.Cancel));
            });
        }
        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;
    }
}