// Copyright (c) UESTC. All Rights Reserved
// <author>QC</author>
// <date>2022/4/20</date>

namespace Uestc.Auto6.Dso.Core
{
    using NPOI.HSSF.UserModel;
    using NPOI.SS.UserModel;
    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Linq;
    using System.Text;
    using System.Text.RegularExpressions;
    using Uestc.Auto6.Dso.ComModel;
    using Uestc.Auto6.Dso.Core.Tools;

    /// <summary>
    /// Defines the WfmFormat.
    /// </summary>
    public enum WfmFormat
    {
        [Alias("bin")]
        Binary,

        [Alias("txt")]
        Text,

        [Alias("mat")]
        Matlab,

        [Alias("xls")]
        Excel,

        [Alias("csv")]
        CSV,

        [Alias("tsv")]
        TSV,

        [Alias("wfm")]
        WFM,

        [Alias("h5")]
        HDF5,
    }

    /// <summary>
    /// Defines the PicFormat.
    /// </summary>
    public enum PicFormat
    {
        Bmp,

        Tiff,

        Gif,

        Png,

        Jpeg,
    }

    /// <summary>
    /// Defines the PicArea.
    /// </summary>
    public enum PicArea
    {
        FullScreen = 0,

        Window = 1,

        Application = 2
    }

    public enum PicColor
    {
        Standard = 0,
        BlackWhite = 1,
        Reverse = 2
    }

    public enum TxtFormat
    {
        ASCII,
        GB2312,
        UTF8,
        UTF32,
        Unicode,
    }

    /// <summary>
    /// Defines the <see cref="FilePrsnt" />.
    /// </summary>
    public class FilePrsnt : MulticastPrsnt<IFileView>, IFilePrsnt
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="FilePrsnt"/> class.
        /// </summary>
        /// <param name="view">The view<see cref="IFileView?"/>.</param>
        /// <param name="mco">The mco<see cref="ModelCreateOptions"/>.</param>
        public FilePrsnt(IFileView? view, ModelCreateOptions mco = ModelCreateOptions.Dependant)
        {
            Model = mco switch
            {
                ModelCreateOptions.Dependant => DsoModel.Default.File,
                ModelCreateOptions.Standalone => new(),
                _ => throw new ArgumentException($"Argument '{nameof(mco)}' can not assign to '{nameof(ModelCreateOptions.InitializedByChild)}'."),
            };
            Model.PropertyChanged += OnPropertyChanged;

            if (view != null)
            {
                view.Presenter = this;

                TryAddView(view);
            }
        }

        /// <summary>
        /// Gets or sets the GetImageStreamHandler.
        /// </summary>
        public static Func<PicFormat, PicArea, PicColor, MemoryStream>? GetImageStreamHandler { get; set; }

        public static Func<String, String, ChannelId, Boolean>? SaveLabNoteBookHandler { get; set; }
        /// <summary>
        /// Gets the DefaultPrefixName.
        /// </summary>
        public String DefaultPrefixName => Model.DefaultPrefixName;

        /// <summary>
        /// Gets or sets the FileName.
        /// </summary>
        public String FileName { get => Model.FileName; set => Model.FileName = value; }

        /// <summary>
        /// Gets or sets the IfAppendDatetime.
        /// </summary>
        public Boolean IfAppendDatetime { get => Model.IfAppendDatetime; set => Model.IfAppendDatetime = value; }

        /// <summary>
        /// Gets or sets the IsDefaultSetting.
        /// </summary>
        public Boolean IsDefaultSetting { get => Model.IsDefaultSetting; set => Model.IsDefaultSetting = value; }

        /// <summary>
        /// Gets or sets the PicFormat.
        /// </summary>
        public PicFormat PicFormat { get => Model.PicFormat; set => Model.PicFormat = value; }

        /// <summary>
        /// Gets or sets the PicPath.
        /// </summary>
        public String PicPath { get => Model.PicPath; set => Model.PicPath = value; }

        /// <summary>
        /// Gets or sets the PicRegion.
        /// </summary>
        public PicArea PicRegion { get => Model.PicRegion; set => Model.PicRegion = value; }

        /// <summary>
        /// Gets or sets the SettingLoadFullPath.
        /// </summary>
        public String SettingLoadFullPath { get => Model.SettingLoadFullPath; set => Model.SettingLoadFullPath = value; }

        /// <summary>
        /// Gets or sets the SettingSavePath.
        /// </summary>
        public String SettingSavePath { get => Model.SettingSavePath; set => Model.SettingSavePath = value; }

        /// <summary>
        /// Gets or sets the WfmFormat.
        /// </summary>
        public WfmFormat WfmFormat { get => Model.WfmFormat; set => Model.WfmFormat = value; }

        /// <summary>
        /// Gets or sets the WfmPath.
        /// </summary>
        public String WfmPath { get => Model.WfmPath; set => Model.WfmPath = value; }

        /// <summary>
        /// Gets or sets the WfmSource.
        /// </summary>
        public ChannelId WfmSource { get => Model.WfmSource; set => Model.WfmSource = value; }

        /// <summary>
        /// Gets or sets the PicColor.
        /// </summary>
        public PicColor PicColor { get => Model.PicColor; set => Model.PicColor = value; }

        public TxtFormat WfmTxtFormat { get => Model.WfmTxtFormat; set => Model.WfmTxtFormat = value; }

        /// <summary>
        /// Gets the Model.
        /// </summary>
        private protected override FileModel Model { get; }

        /// <summary>
        /// The GetDateTimeString.
        /// </summary>
        /// <returns>The <see cref="String"/>.</returns>
        public static String GetDateTimeString() => "_" + DateTime.Now.ToString("yyyyMMddHHmmssfff");

        /// <summary>
        /// The GetImageBase64String.
        /// </summary>
        /// <returns>The <see cref="String?"/>.</returns>
        public static String? GetImageBase64String()
        {
            var ms = GetImageStreamHandler?.Invoke(PicFormat.Jpeg, PicArea.Application, PicColor.Standard);
            if (ms is not null)
            {
                try
                {
                    var b64string = Convert.ToBase64String(ms.ToArray());
                    ms.Close();
                    return b64string;
                }
                catch (Exception e)
                {
                    Logger.Error("Failed to convert image to Base64 string: " + e.ToString());
                }
            }
            return null;
        }

        public static Encoding GetEncoding(TxtFormat format)
        {
            try
            {
                System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
                return format switch
                {
                    TxtFormat.ASCII => Encoding.ASCII,
                    TxtFormat.UTF8 => Encoding.UTF8,
                    TxtFormat.UTF32 => Encoding.UTF32,
                    TxtFormat.GB2312 => Encoding.GetEncoding("GB2312"),
                    TxtFormat.Unicode => Encoding.Unicode,
                    _ => Encoding.Default
                };
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
                return Encoding.Default;
            }
        }

        /// <summary>
        /// The GetPicFileExtName.
        /// </summary>
        /// <param name="pf">The pf<see cref="PicFormat"/>.</param>
        /// <returns>The <see cref="String"/>.</returns>
        public static String GetPicFileExtName(PicFormat pf) => pf switch
        {
            PicFormat.Bmp => ".bmp",
            PicFormat.Gif => ".gif",
            PicFormat.Jpeg => ".jpeg",
            PicFormat.Png => ".png",
            PicFormat.Tiff => ".tiff",
            _ => ".dat"
        };

        /// <summary>
        /// The LoadDefSetting.
        /// </summary>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean LoadDefSetting() =>
            //Load Factory *.set
            LoadSetting(Constants.SET_DEF_PATH + "\\" + Constants.FACTORY_SET_NAME + ".set");

        /// <summary>
        /// The LoadFromText.
        /// </summary>
        /// <param name="fullpath">The fullpath<see cref="String"/>.</param>
        /// <param name="reader">The reader<see cref="Action{StreamReader}"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean LoadFromText(String fullpath, Action<StreamReader> reader)
        {
            try
            {
                using var fs = new FileStream(fullpath, FileMode.Open, FileAccess.Read);
                using StreamReader sr = new(fs, Encoding.UTF8);
                reader(sr);
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The LoadFromText.
        /// </summary>
        /// <param name="fullpath">The fullpath<see cref="String"/>.</param>
        /// <param name="buffer">The buffer<see cref="List{Double}"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean LoadFromText(String fullpath, out List<Double> buffer)
        {
            buffer = new List<Double>();
            try
            {
                using var fs = new FileStream(fullpath, FileMode.Open, FileAccess.Read);
                using StreamReader sr = new(fs, Encoding.UTF8);
                String? line;
                while ((line = sr.ReadLine()) != null)
                {
                    buffer.Add(Double.Parse(line));
                }
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The LoadSetting.
        /// </summary>
        /// <param name="fullpath">The fullpath<see cref="String"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean LoadSetting(String fullpath)
        {
            try
            {
                if (!File.Exists(fullpath))
                {
                    WeakTip.Default.Write(nameof(LoadSetting), MsgTipId.ReadingFailed);
                    return false;
                }

                using MemoryStream memorystream = new(File.ReadAllBytes(fullpath));
                var setting = BinaryConvert.Deserialize<SysSettings>(memorystream);
                if (setting is null)
                {
                    return false;
                }

                setting.OnDeserialized();
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else                
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The LoadWaveform.
        /// </summary>
        /// <param name="fullpath">The fullpath<see cref="String"/>.</param>
        /// <param name="id">The id<see cref="ChannelId"/>.</param>
        /// <param name="dso">The dso<see cref="DsoPrsnt"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean LoadWaveform(String fullpath, ChannelId id, DsoPrsnt dso)
        {
            ReferencePrsnt? rprsnt = null;
            if (ReferencePrsnt.TryRead(id, fullpath, ref rprsnt))
            {
                //Add a new reference channel presenter
                dso.AddChannel(id, rprsnt!);

                DsoPrsnt.FocusId = rprsnt!.Id;
                return true;
            }
            return false;
        }

        /// <summary>
        /// The SaveImage.
        /// </summary>
        /// <param name="fullpath">The fullpath<see cref="String"/>.</param>
        /// <param name="pf">The pf<see cref="PicFormat"/>.</param>
        /// <param name="region">The region<see cref="PicArea"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveImage(String fullpath, PicFormat pf, PicArea region, PicColor color = PicColor.Standard)
        {
            var path = Path.GetDirectoryName(fullpath);
            var file = Path.GetFileName(fullpath);

            if (String.IsNullOrEmpty(file))
            {
                return false;
            }

            if (path?.Length == 0)
            {
                path = Directory.GetCurrentDirectory();
            }

            return SaveImage(path!, file, pf, region, false, color);
        }

        /// <summary>
        /// The SaveImage.
        /// </summary>
        /// <param name="path">The path<see cref="String"/>.</param>
        /// <param name="name">The name<see cref="String"/>.</param>
        /// <param name="pf">The pf<see cref="PicFormat"/>.</param>
        /// <param name="region">The region<see cref="PicArea"/>.</param>
        /// <param name="postfix">The postfix<see cref="Boolean"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveImage(String path, String name, PicFormat pf, PicArea region, Boolean postfix, PicColor color = PicColor.Standard)
        {
            if (!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
                if (!Directory.Exists(path))
                {
                    Logger.Error($"Path does not exist: '{path}'");
                    return false;
                }
            }

            String fullfilename = path + "\\" + name + (postfix ? GetDateTimeString() : "") + GetPicFileExtName(pf);
            if (File.Exists(fullfilename))
            {
                if (!StrongTip.Default.Show(MsgTipId.Warning, MsgTipId.FileExisted, MessageType.Warning))
                {
                    return false;
                }
                File.Delete(fullfilename);
            }

            var ms = GetImageStreamHandler?.Invoke(pf, region, color);
            if (ms is not null)
            {
                try
                {
                    using FileStream fs = new(fullfilename, FileMode.Create, FileAccess.Write);
                    ms.WriteTo(fs);
                    ms.Close();
                    return true;
                }
                catch (Exception e)
                {
                    Logger.Error("Failed to save full screen: " + e.ToString());
                }

            }
            return false;
        }

        public static Boolean? SaveLabNoteBook(String LabNotePath, String LabNoteName, ChannelId channelId) => SaveLabNoteBookHandler?.Invoke(LabNotePath, LabNoteName, channelId);

        /// <summary>
        /// The SaveSetting.
        /// </summary>
        /// <param name="fullpath">The fullpath<see cref="String"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveSetting(String fullpath)
        {
            var path = Path.GetDirectoryName(fullpath);
            var file = Path.GetFileName(fullpath);

            if (String.IsNullOrEmpty(file))
            {
                return false;
            }

            if (path?.Length == 0)
            {
                path = Directory.GetCurrentDirectory();
            }

            return SaveSetting(path!, file, false, true);
        }

        /// <summary>
        /// The SaveSetting.
        /// </summary>
        /// <param name="path">The path<see cref="String"/>.</param>
        /// <param name="name">The name<see cref="String"/>.</param>
        /// <param name="postfix">The postfix<see cref="Boolean"/>.</param>
        /// <param name="dumb">The dumb<see cref="Boolean"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveSetting(String path, String name, Boolean postfix, Boolean dumb = false)
        {
            try
            {
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path);
                    if (!Directory.Exists(path))
                    {
                        Logger.Error($"Path does not exist: '{path}'");
                        return false;
                    }
                }

                String fullfilename = path + "\\" + name + (postfix ? GetDateTimeString() : "") + ".set";
                if (File.Exists(fullfilename))
                {
                    if (!dumb && !StrongTip.Default.Show(MsgTipId.Warning, MsgTipId.FileExisted, MessageType.Warning))
                    {
                        return false;
                    }
                    File.Delete(fullfilename);
                }

                SysSettings settings = new();
                settings.OnSerializing();

                using var fs = new FileStream(fullfilename, FileMode.Create, FileAccess.Write);
                BinaryConvert.Serialize(settings, fs);
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else               
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The SaveToText.
        /// </summary>
        /// <param name="path">The path<see cref="String"/>.</param>
        /// <param name="name">The name<see cref="String"/>.</param>
        /// <param name="writer">The writer<see cref="Action{StreamWriter}"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveToText(String path, String name, Action<StreamWriter> writer)
        {
            try
            {
                String fullfilename = path + "\\" + name + ".txt";
                using var fs = new FileStream(fullfilename, FileMode.Create, FileAccess.Write);
                using StreamWriter sw = new(fs, Encoding.UTF8);
                writer(sw);
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else                
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The SaveToText.
        /// </summary>
        /// <param name="path">The path<see cref="String"/>.</param>
        /// <param name="name">The name<see cref="String"/>.</param>
        /// <param name="buffer">The buffer<see cref="IEnumerable{Double}"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveToText(String path, String name, IEnumerable<Double> buffer)
        {
            try
            {
                String fullfilename = path + "\\" + name + ".txt";
                using var fs = new FileStream(fullfilename, FileMode.OpenOrCreate, FileAccess.Write);
                using StreamWriter sw = new(fs, Encoding.UTF8);
                foreach (var d in buffer)
                {
                    sw.WriteLine(d);
                }

            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else                
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The SaveWaveByBin.
        /// </summary>
        /// <param name="stm">The stm<see cref="Stream"/>.</param>
        /// <param name="pkg">The pkg<see cref="WfmPack"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveByBin(Stream stm, WfmPack pkg)
        {
            try
            {
                BinaryConvert.Serialize(pkg, stm);
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else
                
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The SaveWaveByCSV.
        /// </summary>
        /// <param name="stm">The stm<see cref="Stream"/>.</param>
        /// <param name="pkg">The pkg<see cref="WfmPack"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveByCSV(Stream stm, WfmPack pkg) => SaveWaveByText(stm, pkg, (x, y) => x.ToString("E") + "," + String.Join(",", y.Select(o => o.ToString("G"))));

        /// <summary>
        /// The SaveWaveByExcel.
        /// </summary>
        /// <param name="stm">The stm<see cref="Stream"/>.</param>
        /// <param name="pkg">The pkg<see cref="WfmPack"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveByExcel(Stream stm, WfmPack pkg)
        {
            try
            {
                HSSFWorkbook workbook = new();
                ISheet sheet = workbook.CreateSheet("Sheet1");

                Int32 length = pkg.Buffer.GetLength(1);
                Int32 wfmcnt = pkg.Buffer.GetLength(0);

                Double sp = pkg.Properties.TmbScale.Value * Constants.VIS_XDIVS_NUM / length;

                Double pos0 = pkg.Properties.TmbPosition.Index;

                Double time;

                IRow head = sheet.CreateRow(0); 
                head.CreateCell(0).SetCellValue($"Time({pkg.Properties.TmbUnit.Prefix.ToPfxString()}{pkg.Properties.TmbUnit.Name})");
                for (Int32 i = 0; i < wfmcnt; i++)
                {
                    head.CreateCell(i + 1).SetCellValue($"Ampl({pkg.Properties.ChnlUnit.Prefix.ToPfxString()}{pkg.Properties.ChnlUnit.Name})");
                }

                for (Int32 j = 0; j < length; j++)
                {
                    var row = (HSSFRow)sheet.CreateRow(j + 1);

                    time = (j - pos0) * sp + pkg.Properties.TrigErrorTime;
                    row.CreateCell(0).SetCellValue(time);

                    for (Int32 i = 0; i < wfmcnt; i++)
                    {
                        row.CreateCell(i + 1).SetCellValue(pkg.Buffer[i, j]);
                        //if (row.GetCell(i) == null)
                        //{
                        //    row.CreateCell(i).SetCellValue(data);
                        //}
                        //else
                        //{
                        //    row.GetCell(i).SetCellValue(data);
                        //}
                    }
                }
               
                workbook.Write(stm);
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else                
                return false;
#endif
            }

            return true;


        }

        /// <summary>
        /// The SaveWaveByMatlab.
        /// </summary>
        /// <param name="stm">The stm<see cref="Stream"/>.</param>
        /// <param name="pkg">The pkg<see cref="WfmPack"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveByMatlab(Stream stm, WfmPack pkg) => SaveWaveByText(stm, pkg, (x, y) => x.ToString("E") + " " + String.Join(" ", y.Select(o => o.ToString("G"))));

        /// <summary>
        /// The SaveWaveByText.
        /// </summary>
        /// <param name="stm">The stm<see cref="Stream"/>.</param>
        /// <param name="pkg">The pkg<see cref="WfmPack"/>.</param>
        /// <param name="cbfunc">The cbfunc<see cref="Func{Double, Double[], String}"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveByText(Stream stm, WfmPack pkg, Func<Double, Double[], String> cbfunc, TxtFormat wfmtxtformat = TxtFormat.UTF8)
        {
            try
            {
                using StreamWriter sw = new(stm, GetEncoding(wfmtxtformat));
                Int32 length = pkg.Buffer.GetLength(1);
                Int32 wfmcnt = pkg.Buffer.GetLength(0);

                Double sp = pkg.Properties.TmbScale.Value * Constants.VIS_XDIVS_NUM / length;

                Double pos0 = pkg.Properties.TmbPosition.Index;

                Double time;
                Double[] ampls = new Double[wfmcnt];

                var header = $"Ampl({pkg.Properties.ChnlUnit.Prefix.ToPfxString()}{pkg.Properties.ChnlUnit.Name})";
                for (Int32 i = 1; i < wfmcnt; i++)
                {
                    header = header + ", " + header;
                }
                header = $"Time({pkg.Properties.TmbUnit.Prefix.ToPfxString()}{pkg.Properties.TmbUnit.Name}), " + header;
                sw.WriteLine(header);
                for (Int32 j = 0; j < length; j++)
                {
                    time = (j - pos0) * sp + pkg.Properties.TrigErrorTime;
                    for (Int32 i = 0; i < wfmcnt; i++)
                    {
                        ampls[i] = pkg.Buffer[i, j];
                    }

                    sw.WriteLine(cbfunc(time, ampls));
                }
            }
            catch (Exception e)
            {
                Logger.Error(e.ToString());
#if DEBUG
                throw;
#else                
                return false;
#endif
            }

            return true;
        }

        /// <summary>
        /// The SaveWaveByTSV.
        /// </summary>
        /// <param name="stm">The stm<see cref="Stream"/>.</param>
        /// <param name="pkg">The pkg<see cref="WfmPack"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveByTSV(Stream stm, WfmPack pkg) => SaveWaveByText(stm, pkg, (x, y) => x.ToString("E") + "\t" + String.Join("\t", y.Select(o => o.ToString("G"))));

        /// <summary>
        /// The SaveWaveByTxt.
        /// </summary>
        /// <param name="stm">The stm<see cref="Stream"/>.</param>
        /// <param name="pkg">The pkg<see cref="WfmPack"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveByTxt(Stream stm, WfmPack pkg, TxtFormat fotmat) => SaveWaveByText(stm, pkg, (x, y) => x.ToString("E") + "," + String.Join(",", y.Select(o => o.ToString("G"))), fotmat);

        /// <summary>
        /// The SaveWaveform.
        /// </summary>
        /// <param name="fullpath">The fullpath<see cref="String"/>.</param>
        /// <param name="wf">The wf<see cref="WfmFormat"/>.</param>
        /// <param name="id">The id<see cref="ChannelId"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveform(String fullpath, WfmFormat wf, ChannelId id, TxtFormat wfmtxtfotmat = TxtFormat.UTF8)
        {
            var path = Path.GetDirectoryName(fullpath);
            var file = Path.GetFileName(fullpath);

            if (String.IsNullOrEmpty(file))
            {
                return false;
            }

            if (path?.Length == 0)
            {
                path = Directory.GetCurrentDirectory();
            }

            return SaveWaveform(path!, file, wf, id, false, wfmtxtfotmat);
        }

        /// <summary>
        /// The SaveWaveform.
        /// </summary>
        /// <param name="path">The path<see cref="String"/>.</param>
        /// <param name="name">The name<see cref="String"/>.</param>
        /// <param name="wf">The wf<see cref="WfmFormat"/>.</param>
        /// <param name="id">The id<see cref="ChannelId"/>.</param>
        /// <param name="postfix">The postfix<see cref="Boolean"/>.</param>
        /// <returns>The <see cref="Boolean"/>.</returns>
        public static Boolean SaveWaveform(String path, String name, WfmFormat wf, ChannelId id, Boolean postfix, TxtFormat wfmtxtfotmat = TxtFormat.UTF8)
        {
            if (DsoModel.Default.TryGetChannel(id, out var cm) && cm.Pack is not null)
            {
                //if (cm.Pack.Properties.Version != "U2.0")
                //    return false;

                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path);
                    if (!Directory.Exists(path))
                    {
                        Logger.Error($"Path does not exist: '{path}'");
                        return false;
                    }
                }

                String fullfilename = path + "\\" + name + (postfix ? GetDateTimeString() : "") + "." + wf.GetAlias();
                if (File.Exists(fullfilename))
                {
                    if (!StrongTip.Default.Show(MsgTipId.Warning, MsgTipId.FileExisted, MessageType.Warning))
                    {
                        return false;
                    }
                    File.Delete(fullfilename);
                }

                using var fs = new FileStream(fullfilename, FileMode.OpenOrCreate, FileAccess.Write);
                switch (wf)
                {
                    case WfmFormat.Binary:
                        return FilePrsnt.SaveWaveByBin(fs, cm.Pack);
                    case WfmFormat.Text:
                        return FilePrsnt.SaveWaveByTxt(fs, cm.Pack, wfmtxtfotmat);
                    case WfmFormat.Matlab:
                        return FilePrsnt.SaveWaveByMatlab(fs, cm.Pack);
                    case WfmFormat.Excel:
                        return FilePrsnt.SaveWaveByExcel(fs, cm.Pack);
                    case WfmFormat.CSV:
                        return FilePrsnt.SaveWaveByCSV(fs, cm.Pack);
                    case WfmFormat.TSV:
                        return FilePrsnt.SaveWaveByTSV(fs, cm.Pack);
                    case WfmFormat.WFM:
                    case WfmFormat.HDF5:
                    default:
                        WeakTip.Default.Write("WfmSave", MsgTipId.UnSupportedFormat);
                        return false;
                }

//                return wf switch
//                {
//                    WfmFormat.Binary =>
//                        FilePrsnt.SaveWaveByBin(fs, cm.Pack),
//                    WfmFormat.Text =>
//                        FilePrsnt.SaveWaveByTxt(fs, cm.Pack, wfmtxtfotmat),
//                    WfmFormat.Excel =>
//                        FilePrsnt.SaveWaveByExcel(fs, cm.Pack),
//                    WfmFormat.Matlab =>
//                        FilePrsnt.SaveWaveByMatlab(fs, cm.Pack),
//                    WfmFormat.CSV =>
//                        FilePrsnt.SaveWaveByCSV(fs, cm.Pack),
//                    WfmFormat.TSV =>
//                        FilePrsnt.SaveWaveByTSV(fs, cm.Pack),
//                    _ =>
//#if DEBUG
//                        throw new NotImplementedException(),
//#else
//                        //Logger.Error($"{nameof(WfmFormat)} '{nameof(wf)}' = {wf}"),
//                        throw new NotImplementedException()
//#endif
//                };
            }
            return false;
        }

        /// <summary>
        /// The MakeDefaultFileName.
        /// </summary>
        /// <param name="path">The path<see cref="String"/>.</param>
        /// <param name="ext">The ext<see cref="String"/>.</param>
        /// <returns>The <see cref="String"/>.</returns>
        public String MakeDefaultFileName(String path, String ext)
        {
            var result = new DirectoryInfo(path)
                .GetFiles($"*{ext}", SearchOption.TopDirectoryOnly)
                .Where(x => Regex.IsMatch(x.Name, $"^{DefaultPrefixName}[0-9]{"{3}"}{ext}$", RegexOptions.IgnoreCase));

            return DefaultPrefixName + String.Format("{0:D3}", result.Count());
        }
    }
}