using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace BS.Shared.Core
{
	public static class TokenUtils
	{
        public static string CreateTemporaryUrlByToken(string link, string token)
        {
            if (link.Contains("tenant"))
                link = RemoveAuthenticationInfoFromUri(link);

            var addChar = link.Contains("?") ? "&" : "?";

            var finalUri = string.Format("{0}{1}token={2}", link, addChar, token);

            return finalUri;
        }

        public static string RemoveAuthenticationInfoFromUri(string navigateUri)
        {
            var regex = new Regex(@"[\&|\?]?token\=[A-Za-z0-9]+|[\&|\?]?tenant\=[A-Za-z0-9]+|[\&|\?]?username\=[A-Za-z0-9.]+");
            var splittedUri = regex.Split(navigateUri.Split('?')[1]);
            var cleanedSplittedUri = splittedUri.Where(t => !string.IsNullOrWhiteSpace(t)).ToArray();
            var uriValues = cleanedSplittedUri.Aggregate(string.Empty, (current, item) => current + item);

            return navigateUri.Split('?')[0] + "?" + uriValues;
        }
    }
}