using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;
using System.ComponentModel;
using System.Drawing.Imaging;
using System.Globalization;
using static System.Net.Mime.MediaTypeNames;

namespace UTIL
{
    public static class ASMBL
    {
        #region Методы доступа к атрибутам сборки

        public static string AssemblyTitle
        {
            get
            {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
                if (attributes.Length > 0)
                {
                    AssemblyTitleAttribute titleAttribute = (AssemblyTitleAttribute)attributes[0];
                    if (titleAttribute.Title != "")
                    {
                        return titleAttribute.Title;
                    }
                }
                return System.IO.Path.GetFileNameWithoutExtension(Assembly.GetExecutingAssembly().CodeBase);
            }
        }

        public static string AssemblyVersion
        {
            get
            {
                return Assembly.GetExecutingAssembly().GetName().Version.ToString();
            }
        }

        public static string AssemblyDescription
        {
            get
            {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
                return ((AssemblyDescriptionAttribute)attributes[0]).Description;
            }
        }

        public static string AssemblyProduct
        {
            get
            {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyProductAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
#if DEBUG
                return ((AssemblyProductAttribute)attributes[0]).Product + " Debug version";
#else
				return ((AssemblyProductAttribute)attributes[0]).Product + " Release version";
#endif
            }
        }

        public static string AssemblyCopyright
        {
            get
            {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
            }
        }

        public static string AssemblyCompany
        {
            get
            {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCompanyAttribute), false);
                if (attributes.Length == 0)
                {
                    return "";
                }
                return ((AssemblyCompanyAttribute)attributes[0]).Company;
            }
        }
        public static string AssemblyConfiguration
        {
            get
            {
#if DEBUG
                return "Debug version";
#else
				return "Release version";
#endif
            }
        }
        public static string[] AssemblyConf
        {
            get
            {
                string[] s = new string[11];

                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyConfigurationAttribute), false);
#if DEBUG
                s[0] = "Debug version";
#else
				s[0] = "Release version";
#endif
                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyAlgorithmIdAttribute), false);
                if (attributes.Length == 0)
                    s[1] = "AssemblyAlgorithmId = ";
                else
                    s[1] = "AssemblyAlgorithmId = " + ((AssemblyAlgorithmIdAttribute)attributes[0]).AlgorithmId;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCompanyAttribute), false);
                if (attributes.Length == 0)
                    s[2] = "AssemblyCompany = ";
                else
                    s[2] = "AssemblyCompany = " + ((AssemblyCompanyAttribute)attributes[0]).Company;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
                if (attributes.Length == 0)
                    s[3] = "AssemblyCopyright = ";
                else
                    s[3] = "AssemblyCopyright = " + ((AssemblyCopyrightAttribute)attributes[0]).Copyright;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false);
                if (attributes.Length == 0)
                    s[4] = "AssemblyDescription = ";
                else
                    s[4] = "AssemblyDescription = " + ((AssemblyDescriptionAttribute)attributes[0]).Description;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyFileVersionAttribute), false);
                if (attributes.Length == 0)
                    s[5] = "AssemblyFileVersion = ";
                else
                    s[5] = "AssemblyFileVersion = " + ((AssemblyFileVersionAttribute)attributes[0]).Version;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), false);
                if (attributes.Length == 0)
                    s[6] = "AssemblyInformationalVersion = ";
                else
                    s[6] = "AssemblyInformationalVersion = " + ((AssemblyInformationalVersionAttribute)attributes[0]).InformationalVersion;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyProductAttribute), false);
                if (attributes.Length == 0)
                    s[7] = "AssemblyProduct = ";
                else
                    s[7] = "AssemblyProduct = " + ((AssemblyProductAttribute)attributes[0]).Product;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
                if (attributes.Length == 0)
                    s[8] = "AssemblyTitle = ";
                else
                    s[8] = "AssemblyTitle = " + ((AssemblyTitleAttribute)attributes[0]).Title;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTrademarkAttribute), false);
                if (attributes.Length == 0)
                    s[9] = "AssemblyTrademark = ";
                else
                    s[9] = "AssemblyTrademark = " + ((AssemblyTrademarkAttribute)attributes[0]).Trademark;

                attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyVersionAttribute), false);
                if (attributes.Length == 0)
                    s[10] = "AssemblyVersion = ";
                else
                    s[10] = "AssemblyVersion = " + ((AssemblyVersionAttribute)attributes[0]).Version;

                return s;
            }
        }
        #endregion
    }

    public class IniFile
    {
        [DllImport("kernel32.dll")]
        private extern static int GetPrivateProfileString(String AppName, String KeyName, String Default, StringBuilder ReturnedString, UInt32 Size, String FileName);
        [DllImport("kernel32.dll")]
        private extern static int WritePrivateProfileString(String AppName, String KeyName, String Str, String FileName);
        public IniFile(string filename)
        {
            IniFileName = filename;
        }
        public String IniFileName
        {
            get;
            set;
        }
        public String _GetString(String section, String key)
        {
            StringBuilder s1 = new StringBuilder(128);
            GetPrivateProfileString(section, key, "", s1, 128, IniFileName);
            return s1.ToString();
        }
        public Int64 _GetInt(String section, String key)
        {
            StringBuilder s1 = new StringBuilder(100);
            GetPrivateProfileString(section, key, "", s1, 100, IniFileName);
            return Int64.Parse(s1.ToString());
        }
        public Boolean _GetBool(String section, String key)
        {
            StringBuilder s1 = new StringBuilder(100);
            GetPrivateProfileString(section, key, "", s1, 100, IniFileName);
            return Boolean.Parse(s1.ToString());
        }
        public Double _GetDouble(String section, String key)
        {
            StringBuilder s1 = new StringBuilder(100);
            GetPrivateProfileString(section, key, "", s1, 100, IniFileName);
            return Double.Parse(s1.ToString());
        }
        public void _SetString(String section, String key, String val)
        {
            WritePrivateProfileString(section, key, val, IniFileName);
        }
        public void _SetInt(String section, String key, Int64 val)
        {
            WritePrivateProfileString(section, key, val.ToString(), IniFileName);
        }
        public void _SetDouble(String section, String key, Double val)
        {
            WritePrivateProfileString(section, key, val.ToString(), IniFileName);
        }
        public void _SetBool(String section, String key, Boolean val)
        {
            WritePrivateProfileString(section, key, val.ToString(), IniFileName);
        }
    }

    public static class S2B
    {
        #region Загрузка/выгрузка данных в структуру
        public static T BuffToStruct<T>(byte[] arr)
        {
            GCHandle gch = GCHandle.Alloc(arr, GCHandleType.Pinned);
            IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(arr, 0);
            T ret = (T)Marshal.PtrToStructure(ptr, typeof(T));
            gch.Free();
            return default(T);
        }
        public static T BuffToClass<T>(byte[] arr)
        {
            GCHandle gch = GCHandle.Alloc(arr, GCHandleType.Pinned);
            IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(arr, 0);
            T ret = (T)Marshal.PtrToStructure(ptr, typeof(T));
            gch.Free();
            return default(T);
        }
        public static byte[] StructToBuff<T>(T value) where T : struct
        {
            byte[] arr = new byte[Marshal.SizeOf(value)]; // создать массив
            GCHandle gch = GCHandle.Alloc(arr, GCHandleType.Pinned); // зафиксировать в памяти
            IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(arr, 0); // и взять его адрес
            Marshal.StructureToPtr(value, ptr, true); // копировать в массив
            gch.Free(); // снять фиксацию
            return arr;
        }
        public static byte[] ClassToBuff<T>(T value) where T : class
        {
            byte[] arr = new byte[Marshal.SizeOf(value)]; // создать массив
            GCHandle gch = GCHandle.Alloc(arr, GCHandleType.Pinned); // зафиксировать в памяти
            IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(arr, 0); // и взять его адрес
            Marshal.StructureToPtr(value, ptr, true); // копировать в массив
            gch.Free(); // снять фиксацию
            return arr;
        }
        #endregion
    }

    public static class RichTextBoxExtensions
    {
        public static void AppendText(this RichTextBox box, string text, Color color)
        {
            if (box.InvokeRequired)
            {
                box.Invoke((MethodInvoker)(delegate
                {
                    box.SelectionStart = box.TextLength;
                    box.SelectionLength = 0;
                    box.SelectionColor = color;
                    box.AppendText(text);
                    box.SelectionColor = box.ForeColor;
                    box.ScrollToCaret();
                }));
            }
            else
            {
                box.SelectionStart = box.TextLength;
                box.SelectionLength = 0;
                box.SelectionColor = color;
                box.AppendText(text);
                box.SelectionColor = box.ForeColor;
                box.ScrollToCaret();
            }
        }
        public static void AppendText(this RichTextBox box, string text, Color bgcolor, Color fgcolor)
        {
            if (box.InvokeRequired)
            {
                box.Invoke((MethodInvoker)(delegate
                {
                    box.SelectionStart = box.TextLength;
                    box.SelectionLength = 0;
                    box.SelectionColor = fgcolor;
                    box.SelectionBackColor = bgcolor;
                    box.AppendText(text);
                    box.SelectionColor = box.ForeColor;
                    box.SelectionBackColor = box.BackColor;
                    box.ScrollToCaret();
                }));
            }
            else
            {
                box.SelectionStart = box.TextLength;
                box.SelectionLength = 0;
                box.SelectionColor = fgcolor;
                box.SelectionBackColor = bgcolor;
                box.AppendText(text);
                box.SelectionColor = box.ForeColor;
                box.SelectionBackColor = box.BackColor;
                box.ScrollToCaret();
            }
        }
    }

    public class GKalman
    {
        double _err_measure = 0.0F;
        double _err_estimate = 0.0F;
        double _q = 0.0F;
        double _last_estimate = 0.0F;
        public GKalman(double mea_e, double est_e, double q)
        {
            setParameters(mea_e, est_e, q);
        }

        // разброс измерения, скорость изменения значений (разброс измерения принимается равным разбросу оценки)
        public GKalman(double mea_e, double q)
        {
            setParameters(mea_e, mea_e, q);
        }

        // разброс измерения, разброс оценки, скорость изменения значений
        public void setParameters(double mea_e, double est_e, double q)
        {
            _err_measure = mea_e;
            _err_estimate = est_e;
            _q = q;
        }

        // разброс измерения, скорость изменения значений (разброс измерения принимается равным разбросу оценки)
        public void setParameters(double mea_e, double q)
        {
            setParameters(mea_e, mea_e, q);
        }

        // возвращает фильтрованное значение
        public double filtered(double value)
        {
            double _kalman_gain, _current_estimate;
            _kalman_gain = _err_estimate / (_err_estimate + _err_measure);
            _current_estimate = _last_estimate + _kalman_gain * (value - _last_estimate);
            _err_estimate = (1.0 - _kalman_gain) * _err_estimate + Math.Abs(_last_estimate - _current_estimate) * _q;
            _last_estimate = _current_estimate;
            return (double)_current_estimate;
        }
    }

    public unsafe class UnsafeBitmap
    {
        Bitmap bitmap;
        // three elements used for MakeGreyUnsafe
        int width;
        BitmapData bitmapData = null;
        Byte* pBase = null;
        public UnsafeBitmap(Bitmap bitmap)
        {
            this.bitmap = new Bitmap(bitmap);
        }
        public UnsafeBitmap(int width, int height)
        {
            this.bitmap = new Bitmap(width, height, PixelFormat.Format24bppRgb);
        }
        public void Dispose()
        {
            bitmap.Dispose();
        }
        public Bitmap Bitmap
        {
            get
            {
                return (bitmap);
            }
        }
        private Point PixelSize
        {
            get
            {
                GraphicsUnit unit = GraphicsUnit.Pixel;
                RectangleF bounds = bitmap.GetBounds(ref unit);

                return new Point((int)bounds.Width, (int)bounds.Height);
            }
        }
        public void LockBitmap()
        {
            GraphicsUnit unit = GraphicsUnit.Pixel;
            RectangleF boundsF = bitmap.GetBounds(ref unit);
            Rectangle bounds = new Rectangle((int)boundsF.X,
            (int)boundsF.Y,
            (int)boundsF.Width,
            (int)boundsF.Height);

            // Figure out the number of bytes in a row
            // This is rounded up to be a multiple of 4
            // bytes, since a scan line in an image must always be a multiple of 4 bytes
            // in length. 
            width = (int)boundsF.Width * sizeof(PixelData);
            if (width % 4 != 0)
            {
                width = 4 * (width / 4 + 1);
            }
            bitmapData =
            bitmap.LockBits(bounds, ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
            pBase = (Byte*)bitmapData.Scan0.ToPointer();
        }
        public PixelData GetPixel(int x, int y)
        {
            PixelData returnValue = *PixelAt(x, y);
            return returnValue;
        }
        public void SetPixel(int x, int y, PixelData colour)
        {
            PixelData* pixel = PixelAt(x, y);
            *pixel = colour;
        }
        public void UnlockBitmap()
        {
            bitmap.UnlockBits(bitmapData);
            bitmapData = null;
            pBase = null;
        }
        public PixelData* PixelAt(int x, int y)
        {
            return (PixelData*)(pBase + y * width + x * sizeof(PixelData));
        }
    }

    public struct PixelData
    {
        public byte blue;
        public byte green;
        public byte red;
    }
    public static class Util
    {
        public static String Val(Object value)
        {
            //            Console.WriteLine(value.GetType());
            //            String tmp = value.GetType().ToString().Split(new Char[] { '.' })[1];
            String tmp;
            tmp = value.GetType().ToString();
            Console.WriteLine(tmp);
            tmp = value.GetType().ToString().Split(new Char[] { '.' })[1];
            Console.WriteLine(tmp);
            switch (tmp)
            {
                case "Double":
                case "Single":
                case "Decimal":
//                    return Math.Round(Convert.ToDouble(value), 2).ToString("+0.00;-0.00;+0.00");
                case "UInt64":
                case "UInt32":
                case "UInt16":
                case "Byte":
//                    return value.ToString();
//                    return $"{value:+0;+0;+0}";
                case "Int64":
                case "Int32":
                case "Int16":
                case "SByte":
//                    return $"{value:+0;-0;+0}";
//                    return value.ToString();
                case "String":
//                    return $"{value}";
//                    return value.ToString();
                case "Hex":
//                    return $"{value}";
//                    return value.ToString();
                default:
                    break;
            }
            return "";
        }
        public static T minmax<T>(T min, T max, T val)
        {
            dynamic dmin = min;
            dynamic dmax = max;
            dynamic dval = val;
            if (dval <= dmin)
                return dmin;
            if (dval > dmax)
                return dmax;
            return dval;
        }
        public struct Hex<T>
        {
            private T _Value;
            public static implicit operator Hex<T>(T value)
            {
                return new Hex<T> { _Value = value };
            }
            public static implicit operator T(Hex<T> value)
            {
                return value._Value;
            }
            public override string ToString()
            {
                if (_Value.GetType() == typeof(UInt64))
                    return $"{_Value:X016}";
                if (_Value.GetType() == typeof(UInt32))
                    return $"{_Value:X08}";
                if (_Value.GetType() == typeof(UInt16))
                    return $"{_Value:X04}";
                if (_Value.GetType() == typeof(Byte))
                    return $"{_Value:X02}";
                return _Value.ToString();
            }
        }
        public struct Hex0x<T>
        {
            private T _Value;
            private CultureInfo ci;// = new CultureInfo("ru-Ru");
            public static implicit operator Hex0x<T>(T value)
            {
                return new Hex0x<T> { _Value = value };
            }
            public static implicit operator T(Hex0x<T> value)
            {
                return value._Value;
            }
            public override string ToString()
            {
                if (_Value.GetType() == typeof(UInt64))
                    return $"0x{_Value:X016}";
                if (_Value.GetType() == typeof(UInt32))
                    return $"0x{_Value:X08}";
                if (_Value.GetType() == typeof(UInt16))
                    return $"0x{_Value:X04}";
                if (_Value.GetType() == typeof(Byte))
                    return $"0x{_Value:X02}";
                return _Value.ToString();
            }
        }
        public static String printtime(Boolean ms)
        {
            if (ms == true)
                return DateTime.Now.ToString("HH:mm:ss:fff");
            else
                return DateTime.Now.ToString("HH:mm:ss");
        }
        private const int EM_SETTABSTOPS = 0x00CB;

        [DllImport("User32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr SendMessage(IntPtr h, int msg, int wParam, int[] lParam);

        public static void SetTabWidth(TextBox textbox, int tabWidth)
        {
            Graphics graphics = textbox.CreateGraphics();
            var characterWidth = (int)graphics.MeasureString("M", textbox.Font).Width;
            SendMessage
                (textbox.Handle
                , EM_SETTABSTOPS
                , 1
                , new int[] { tabWidth * characterWidth }
                );
        }
    }
    public class CircularBuffer<T>
    {
        T[] _buffer;
        Int32 _head;
        Int32 _tail;
        Int32 _length;
        Int32 _bufferSize;
        Object _lock = new object();
        public CircularBuffer(Int32 bufferSize)
        {
            _buffer = new T[bufferSize];
            _bufferSize = bufferSize;
            _head = bufferSize - 1;
        }
        public bool IsEmpty
        {
            get { return _length == 0; }
        }
        public bool IsFull
        {
            get { return _length == _bufferSize; }
        }
        public T Dequeue()
        {
            lock (_lock)
            {
                if (IsEmpty) throw new InvalidOperationException("Queue exhausted");

                T dequeued = _buffer[_tail];
                _tail = NextPosition(_tail);
                _length--;
                return dequeued;
            }
        }
        private int NextPosition(int position)
        {
            return (position + 1) % _bufferSize;
        }
        public void Enqueue(T toAdd)
        {
            lock (_lock)
            {
                _head = NextPosition(_head);
                _buffer[_head] = toAdd;
                if (IsFull)
                    _tail = NextPosition(_tail);
                else
                    _length++;
            }
        }
    }
    public class GFilterRA
    {
        public GFilterRA()
        { }
        public GFilterRA(double coef, UInt16 interval)
        {
            _coef = coef;
            _prd = interval;
        }
        public GFilterRA(double coef)
        {
            _coef = coef;
        }
        UInt32 millis()
        {
            return (UInt32)DateTimeOffset.Now.ToUnixTimeMilliseconds();
        }
        public void setCoef(double coef)
        {
            _coef = coef;
        }
        public void setPeriod(UInt16 interval)
        {
            _prd = interval;
        }
        public double filteredTime(double value)
        {
            if (millis() - _tmr >= _prd)
            {
                _tmr += _prd;
                filtered(value);
            }
            return _fil;
        }
        double filtered(double value)
        {
            return _fil += (value - _fil) * _coef;
        }
        void setStep(UInt16 interval)
        {
            _prd = interval;
        }

        double _coef = 0.0F, _fil = 0.0F;
        UInt32 _tmr = 0;
        UInt32 _prd = 0;
    };


}