using System.Drawing;
using System.Text;
using System.Security.Cryptography;
#if NETFRAMEWORK
using System;
#endif

namespace EnvelopeGenerator.Domain
{
    public static class Helpers
    {
        public static Color ToColor(this Constants.ColorType pColorType)
        {
            switch (pColorType)
            {
                case Constants.ColorType.ReceiverColor1:
                    return ColorTranslator.FromHtml("#22c55e");
                case Constants.ColorType.ReceiverColor2:
                    return ColorTranslator.FromHtml("#3b82f6");
                case Constants.ColorType.ReceiverColor3:
                    return ColorTranslator.FromHtml("#8b5cf6");
                case Constants.ColorType.ReceiverColor4:
                    return ColorTranslator.FromHtml("#f59e0b");
                case Constants.ColorType.ReceiverColor5:
                    return ColorTranslator.FromHtml("#ef4444");
                case Constants.ColorType.ReceiverColor6:
                    return ColorTranslator.FromHtml("#14b8a6");
                case Constants.ColorType.ReceiverColor7:
                    return ColorTranslator.FromHtml("#d946ef");
                case Constants.ColorType.ReceiverColor8:
                    return ColorTranslator.FromHtml("#06b6d4");
                case Constants.ColorType.ReceiverColor9:
                    return ColorTranslator.FromHtml("#10b981");
                case Constants.ColorType.ReceiverColor10:
                    return ColorTranslator.FromHtml("#84cc16");
                default:
                    return Color.Empty;
            }
        }

        public static string GetChecksum(this string pStringToCheck)
        {
            byte[] bytes = Encoding.UTF8.GetBytes(pStringToCheck);
            byte[] pChecksum = SHA256.Create().ComputeHash(bytes);
            return BitConverter.ToString(pChecksum).Replace("-", "").ToLowerInvariant();
        }
    }
}