using System;
using System.IO;
using System.Text.RegularExpressions;
using System.Windows.Data;
using System.Windows.Markup;
using C4IT_CustomerPanel.Properties;

namespace C4IT_CustomerPanel.libs
{
   
    public class Converter
    {

      
        public static System.Windows.Controls.Image ConvertImageToWpfImage(System.Drawing.Image image)
        {
            if (image == null)
                throw new ArgumentNullException(nameof(image), Resources.Converter_ConvertImageToWpfImage_Image_darf_nicht_null_sein_);

            using (System.Drawing.Bitmap dImg = new System.Drawing.Bitmap(image))
            {
                using (MemoryStream ms = new MemoryStream())
                {
                    dImg.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);

                    System.Windows.Media.Imaging.BitmapImage bImg = new System.Windows.Media.Imaging.BitmapImage();

                    bImg.BeginInit();
                    bImg.StreamSource = new MemoryStream(ms.ToArray());
                    bImg.EndInit();

                    System.Windows.Controls.Image img = new System.Windows.Controls.Image {Source = bImg};

                    return img;
                }
            }
        }

        public static System.Drawing.Image ConvertWpfImageToImage(System.Windows.Controls.Image image)
        {
            if (image == null)
                throw new ArgumentNullException(nameof(image), Resources.Converter_ConvertImageToWpfImage_Image_darf_nicht_null_sein_);

            System.Windows.Media.Imaging.BmpBitmapEncoder encoder = new System.Windows.Media.Imaging.BmpBitmapEncoder();
            MemoryStream ms = new MemoryStream();
            encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create((System.Windows.Media.Imaging.BitmapSource)image.Source));
            encoder.Save(ms);
            System.Drawing.Image img = System.Drawing.Image.FromStream(ms);
            return img;
        }


        /// <summary>
        /// Remove HTML from string with Regex.
        /// </summary>
        public static string StripTagsRegex(string source)
        {
            string test = source.Replace("&nbsp;", " ");
            return Regex.Replace(test, "<.*?>", string.Empty);
        }

        /// <summary>
        /// Compiled regular expression for performance.
        /// </summary>
        readonly Regex _htmlRegex = new Regex("<.*?>", RegexOptions.Compiled);

        /// <summary>
        /// Remove HTML from string with compiled Regex.
        /// </summary>
        public string StripTagsRegexCompiled(string source)
        {
            return _htmlRegex.Replace(source, string.Empty);
        }

        /// <summary>
        /// Remove HTML tags from string using char array.
        /// </summary>
        public string StripTagsCharArray(string source)
        {
            char[] array = new char[source.Length];
            int arrayIndex = 0;
            bool inside = false;

            foreach (char @let in source)
            {
                if (@let == '<')
                {
                    inside = true;
                    continue;
                }
                if (@let == '>')
                {
                    inside = false;
                    continue;
                }
                if (!inside)
                {
                    array[arrayIndex] = @let;
                    arrayIndex++;
                }
            }
            return new string(array, 0, arrayIndex);
        }
    }
}