A script to generate a secret santa. Target can be discover by qrcode.

SecretSanta.cs

using System;
using System.Net;
using System.Collections.Generic;

// https://dotnetfiddle.net/NC4suH

public class Program
{
	static readonly Random _rand = new Random();
	
	public static void Main()
	{
		var list = new List<string> { "Pier","Noel", "Luke", "Leia", "Han " };
		var list2 = new List<string>(list);
		cycle(list2);
		for (var i = 0; i < list.Count; i++)
		{
			Console.Write(list[i] + "\t");
			PrintData(GetDataAsBytes(CreateQrCodeUrl("Tu es le Secret Santa de " + list2[i])));
		}
	}
	
	public static void cycle<T>(IList<T> items)
	{
    		for (var i = items.Count; i > 1;)
		{
			i--;
      			var j = (int) (_rand.NextDouble() * (i));
      			var tmp = items[j];
      			items[j] = items[i];
      			items[i] = tmp;
    		}
 	}
	
	public static string CreateQrCodeUrl(string text)
	{
		return "https://api.qrserver.com/v1/create-qr-code/?size=150x150&data=" + text;
	}
	
	public static byte[] GetDataAsBytes(string url)
	{
		return new WebClient().DownloadData(url);
	}
	
	public static void PrintData(byte[] image)
	{
		Console.WriteLine("data:image/gif;base64," + Convert.ToBase64String(image));
	}
}