using Microsoft.AspNetCore.Mvc;
using System;

namespace Infrastructure.Extensions
{
    public static class UrlHelperExtensions
    {
        public static string Content2(this IUrlHelper url, string path)
        {
            if (url == null)
            {
                throw new ArgumentNullException(nameof(url));
            }
            if (string.IsNullOrEmpty(path))
            {
                return url.Content("~/images/empty.svg");
            }
            if (path.StartsWith("~", StringComparison.OrdinalIgnoreCase))
            {
                return url.Content(path);
            }
            else if (path.StartsWith("/dfs/", StringComparison.OrdinalIgnoreCase))
            {
                return path;
            }
            else if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
            {
                return url.Content("~" + path);
            }
            else
            {
                return path;
            }
        }

        public static string FullAction(this IUrlHelper helper, string action = null, string controller = null, object values = null, string scheme = null, string host = null)
        {
            if (helper is null)
            {
                throw new ArgumentNullException(nameof(helper));
            }
            return helper.Action(action, controller, values, scheme ?? helper.ActionContext.HttpContext.Request.Scheme, host);
        }
    }
}