using System.Web;
using System.Web.Routing;
using Moq;
using Umbraco.Tests.TestHelpers;

namespace Umbraco.Tests.Routing
{
    public static class RouteTestExtensions
    {

        /// <summary>
        /// Return the route data for the URL based on a mocked context
        /// </summary>
        /// <param name="routes"></param>
        /// <param name="requestUrl"></param>
        /// <returns></returns>
        public static RouteData GetDataForRoute(this RouteCollection routes, string requestUrl)
        {
            var context = new FakeHttpContextFactory(requestUrl);
            return routes.GetDataForRoute(context.HttpContext);
        }

        /// <summary>
        /// Get the route data based on the URL and HTTP context
        /// </summary>
        /// <param name="routes"></param>
        /// <param name="httpContext"></param>
        /// <returns></returns>
        public static RouteData GetDataForRoute(this RouteCollection routes, HttpContextBase httpContext)
        {
            var data = routes.GetRouteData(httpContext);

            //set the route data on the request context
            var requestMock = Mock.Get(httpContext.Request.RequestContext);
            requestMock.Setup(x => x.RouteData).Returns(data);

            return data;
        }

        /// <summary>
        /// Checks if the URL will be ignored in the RouteTable
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        /// <remarks>
        /// MVCContrib has a similar one but is faulty:
        ///  http://mvccontrib.codeplex.com/workitem/7173
        /// </remarks>
        public static bool ShouldIgnoreRoute(this string url)
        {
            var http = new FakeHttpContextFactory(url);
            var r = RouteTable.Routes.GetRouteData(http.HttpContext);
            if (r == null) return false;
            return (r.RouteHandler is StopRoutingHandler);
        }

    }
}