using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace SIDConvInfoEditorII
{


	/// <summary>
	/// generic method Extension
	/// </summary>
	public static class MethodExtensions
	{
		public static string HexString(this byte[] arr)
		{
			var hexlist = arr.Reverse().ToList().Select(t => t.ToString("X2")).ToList();
			return string.Join(" ", hexlist);
		}

		//public static void SafeRaise(this Delegate evt, System.EventArgs e)
		//{
		//    if (evt == null) return;

		//    foreach (Delegate singleCast in evt.GetInvocationList())
		//    {
		//        var syncInvoke = singleCast.Target as ISynchronizeInvoke;

		//        if (syncInvoke != null && syncInvoke.InvokeRequired)
		//            syncInvoke.BeginInvoke(singleCast, new object[] { e });
		//        else
		//            singleCast.DynamicInvoke(e);
		//    }
		//}
		public static int toInt(this string param)
		{
			int a = 0;
			int.TryParse(param, out a);
			return a;
		}
		public static string DescriptionAttr<T>(this T source)
		{
			FieldInfo fi = source.GetType().GetField(source.ToString());

			DescriptionAttribute[] attributes = (DescriptionAttribute[])fi.GetCustomAttributes(
				typeof(DescriptionAttribute), false);

			if (attributes != null && attributes.Length > 0) return attributes[0].Description;
			else return source.ToString();
		}
		public static string CategoryAttr<T>(this T source)
		{
			FieldInfo fi = source.GetType().GetField(source.ToString());

			CategoryAttribute[] attributes = (CategoryAttribute[])fi.GetCustomAttributes(
				typeof(CategoryAttribute), false);

			if (attributes != null && attributes.Length > 0) return attributes[0].Category;
			else return string.Empty;// source.ToString();
		}
		public static string ToString(this System.Drawing.Rectangle rect)
		{
			return string.Format("X={0},Y={1},W={2},H={3}", rect.X, rect.Y, rect.Width, rect.Height);
		}
		public static string ToString(this System.Drawing.RectangleF rect)
		{
			return string.Format("X={0},Y={1},W={2},H={3}", rect.X, rect.Y, rect.Width, rect.Height);
		}

		//public static void SetBGColor(this System.Windows.Forms.Label ctl,System.Drawing.Color color1)
		//{
		//    ctl.BackColor = System.Drawing.Color.Red;
		//}

		/// <summary>
		/// 0101이 반복되는 문자열 형태로 전환합니다.
		/// </summary>
		/// <param name="arr"></param>
		/// <returns></returns>
		public static string BitString(this System.Collections.BitArray arr)
		{
			System.Text.StringBuilder sb = new System.Text.StringBuilder();
			for (int i = arr.Length; i > 0; i--)
				sb.Append(arr[i - 1] ? "1" : "0");
			return sb.ToString();
		}

		/// <summary>
		/// int 값으로 변환합니다.
		/// </summary>
		/// <param name="arr"></param>
		/// <returns></returns>
		public static int ValueI(this System.Collections.BitArray arr)
		{
			byte[] buf = new byte[4];
			arr.CopyTo(buf, 0);
			return BitConverter.ToInt32(buf, 0);
		}

		/// <summary>
		/// 숫자인지 검사합니다.
		/// </summary>
		/// <param name="input"></param>
		/// <returns></returns>
		public static bool IsNumeric(this string input)
		{
			double data;
			return double.TryParse(input, out data);
			//return Regex.IsMatch(input, @"^\d+$");
		}

		/// <summary>
		/// isnullorempty 를 수행합니다.
		/// </summary>
		/// <param name="input"></param>
		/// <returns></returns>
		public static Boolean isEmpty(this string input)
		{
			if (input == null) return true;
			if (string.IsNullOrWhiteSpace(input) || string.IsNullOrEmpty(input)) return true;
			else return false;
		}

		/// <summary>
		/// default 인코딩을 사용하여 문자열로 반환합니다.
		/// </summary>
		/// <param name="input"></param>
		/// <returns></returns>
		public static string GetString(this Byte[] input)
		{
			return System.Text.Encoding.Default.GetString(input);
		}

		/// <summary>
		/// 16진수 문자열 형태로 반환합니다.
		/// </summary>
		/// <param name="input"></param>
		/// <returns></returns>
		public static string GetHexString(this Byte[] input)
		{
			System.Text.StringBuilder sb = new System.Text.StringBuilder();
			foreach (byte b in input)
				sb.Append(" " + b.ToString("X2"));
			return sb.ToString();
		}

		public static string Base64Encode(this string src)
		{
			string base64enc = Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(src));
			return base64enc;
		}
		public static string Base64Decode(this string src)
		{
			var base64dec = Convert.FromBase64String(src);
			return System.Text.Encoding.UTF8.GetString(base64dec);
		}
		
		public static string toSizeStr(this Size rect)
		{
			return string.Format("{0};{1}", rect.Width, rect.Height);
		}
		public static string toPointStr(this PointF rect)
		{
			return string.Format("{0};{1}", rect.X, rect.Y);
		}
		public static string toPointStr(this Point rect)
		{
			return string.Format("{0};{1}", rect.X, rect.Y);
		}
		public static string toRectStr(this Rectangle rect)
		{
			return string.Format("{0};{1};{2};{3}", rect.X, rect.Top, rect.Width, rect.Height);
		}
		public static string toRectStr(this RectangleF rect)
		{
			return string.Format("{0};{1};{2};{3}", rect.X, rect.Top, rect.Width, rect.Height);
		}
		public static RectangleF toRectF(this string str)
		{
			var buffer = str.Split(';');
			if (buffer.Length != 4) return RectangleF.Empty;
			for (int i = 0; i < buffer.Length; i++)
				if (buffer[i] == "") buffer[i] = "0";
			return new RectangleF(float.Parse(buffer[0]), float.Parse(buffer[1]), float.Parse(buffer[2]), float.Parse(buffer[3]));
		}
		public static Rectangle toRect(this string str)
		{
			var buffer = str.Split(';');
			if (buffer.Length != 4) return Rectangle.Empty;
			for (int i = 0; i < buffer.Length; i++)
				if (buffer[i] == "") buffer[i] = "0";
			return new Rectangle(int.Parse(buffer[0]), int.Parse(buffer[1]), int.Parse(buffer[2]), int.Parse(buffer[3]));
		}
		public static Point toPoint(this string str)
		{
			str = str.Replace(",", ";").Replace("*", ";").Replace("x", ";").Replace(":", ";");

			var buffer = str.Split(';');
			if (buffer.Length != 2) return Point.Empty;
			for (int i = 0; i < buffer.Length; i++)
				if (buffer[i] == "") buffer[i] = "0";
			return new Point(int.Parse(buffer[0]), int.Parse(buffer[1]));
		}
		public static Size toSize(this string str)
		{
			str = str.Replace(",", ";").Replace("*", ";").Replace("x", ";").Replace(":", ";");

			var buffer = str.Split(';');
			if (buffer.Length != 2) return Size.Empty;
			for (int i = 0; i < buffer.Length; i++)
				if (buffer[i] == "") buffer[i] = "0";
			return new Size(int.Parse(buffer[0]), int.Parse(buffer[1]));
		}
		public static PointF toPointF(this string str)
		{
			str = str.Replace(",", ";").Replace("*", ";").Replace("x", ";").Replace(":", ";");

			var buffer = str.Split(';');
			if (buffer.Length != 2) return PointF.Empty;
			for (int i = 0; i < buffer.Length; i++)
				if (buffer[i] == "") buffer[i] = "0";
			return new PointF(float.Parse(buffer[0]), float.Parse(buffer[1]));
		}
		public static Rectangle Fix(this Rectangle rect, Size imgsize)
		{
			//영역보정
			if (rect.Left < 1) rect.X = 1;
			if (rect.Top < 1) rect.Y = 1;
			if (rect.Right > imgsize.Width) rect.Width = imgsize.Width - rect.Left - 1;
			if (rect.Bottom > imgsize.Height) rect.Height = imgsize.Height - rect.Top - 1;
			if (rect.Width < 2 || rect.Height < 2) rect = Rectangle.Empty;
			return rect;
		}
		public static RectangleF FixRoi(this RectangleF rect, Size imgsize)
		{
			//영역보정
			if (rect.Left < 1) rect.X = 1;
			if (rect.Top < 1) rect.Y = 1;
			if (rect.Right > imgsize.Width) rect.Width = imgsize.Width - rect.Left - 1;
			if (rect.Bottom > imgsize.Height) rect.Height = imgsize.Height - rect.Top - 1;
			if (rect.Width < 2 || rect.Height < 2) rect = Rectangle.Empty;
			return rect;
		}

	}
}