// Copyright (c) Umbraco.
// See LICENSE for more details.

using System.Linq;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.Options;
using Moq;
using NUnit.Framework;
using Umbraco.Cms.Core;
using Umbraco.Cms.Core.Configuration.Models;
using Umbraco.Cms.Core.Hosting;
using Umbraco.Cms.Core.Services;
using Umbraco.Cms.Web.BackOffice.Controllers;
using Umbraco.Cms.Web.BackOffice.Routing;
using Umbraco.Extensions;
using Constants = Umbraco.Cms.Core.Constants;
using static Umbraco.Cms.Core.Constants.Web.Routing;

namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Web.Common.Routing
{
    [TestFixture]
    public class PreviewRoutesTests
    {
        [TestCase(RuntimeLevel.BootFailed)]
        [TestCase(RuntimeLevel.Unknown)]
        [TestCase(RuntimeLevel.Boot)]
        public void RuntimeState_No_Routes(RuntimeLevel level)
        {
            PreviewRoutes routes = GetRoutes(level);
            var endpoints = new TestRouteBuilder();
            routes.CreateRoutes(endpoints);

            Assert.AreEqual(0, endpoints.DataSources.Count);
        }

        [TestCase(RuntimeLevel.Run)]
        [TestCase(RuntimeLevel.Upgrade)]
        [TestCase(RuntimeLevel.Install)]
        public void RuntimeState_All_Routes(RuntimeLevel level)
        {
            PreviewRoutes routes = GetRoutes(level);
            var endpoints = new TestRouteBuilder();
            routes.CreateRoutes(endpoints);

            Assert.AreEqual(2, endpoints.DataSources.Count);
            EndpointDataSource route = endpoints.DataSources.First();
            Assert.AreEqual(2, route.Endpoints.Count);

            var endpoint0 = (RouteEndpoint)route.Endpoints[0];
            Assert.AreEqual($"{routes.GetPreviewHubRoute()}/negotiate", endpoint0.RoutePattern.RawText);
            var endpoint1 = (RouteEndpoint)route.Endpoints[1];
            Assert.AreEqual($"{routes.GetPreviewHubRoute()}", endpoint1.RoutePattern.RawText);

            var endpoint3 = (RouteEndpoint)endpoints.DataSources.Last().Endpoints[0];
            var previewControllerName = ControllerExtensions.GetControllerName<PreviewController>();
            Assert.AreEqual($"umbraco/{previewControllerName.ToLowerInvariant()}/{{action}}/{{id?}}", endpoint3.RoutePattern.RawText);
            Assert.AreEqual(Constants.Web.Mvc.BackOfficeArea, endpoint3.RoutePattern.Defaults["area"]);
            Assert.AreEqual("Index", endpoint3.RoutePattern.Defaults[ActionToken]);
            Assert.AreEqual(previewControllerName, endpoint3.RoutePattern.Defaults[ControllerToken]);
            Assert.AreEqual(endpoint3.RoutePattern.Defaults["area"], typeof(PreviewController).GetCustomAttribute<AreaAttribute>(false).RouteValue);
        }

        private PreviewRoutes GetRoutes(RuntimeLevel level)
        {
            var globalSettings = new GlobalSettings();
            var routes = new PreviewRoutes(
                Options.Create(globalSettings),
                Mock.Of<IHostingEnvironment>(x =>
                    x.ToAbsolute(It.IsAny<string>()) == "/umbraco" && x.ApplicationVirtualPath == string.Empty),
                Mock.Of<IRuntimeState>(x => x.Level == level));
            return routes;
        }
    }
}
